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raw materials.</title> <meta name="description" content="Search results for: secondary raw materials."> <meta name="keywords" content="secondary raw materials."> <meta name="viewport" content="width=device-width, initial-scale=1, minimum-scale=1, maximum-scale=1, user-scalable=no"> <meta charset="utf-8"> <link href="https://cdn.waset.org/favicon.ico" type="image/x-icon" rel="shortcut icon"> <link href="https://cdn.waset.org/static/plugins/bootstrap-4.2.1/css/bootstrap.min.css" rel="stylesheet"> <link href="https://cdn.waset.org/static/plugins/fontawesome/css/all.min.css" rel="stylesheet"> <link href="https://cdn.waset.org/static/css/site.css?v=150220211555" rel="stylesheet"> </head> <body> <header> <div class="container"> <nav class="navbar navbar-expand-lg navbar-light"> <a class="navbar-brand" href="https://waset.org"> <img src="https://cdn.waset.org/static/images/wasetc.png" alt="Open Science Research Excellence" title="Open Science Research Excellence" /> </a> <button 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action="https://publications.waset.org/search"> <div id="custom-search-input"> <div class="input-group"> <i class="fas fa-search"></i> <input type="text" class="search-query" name="q" placeholder="Author, Title, Abstract, Keywords" value="secondary raw materials."> <input type="submit" class="btn_search" value="Search"> </div> </div> </form> </div> </div> <div class="row mt-3"> <div class="col-sm-3"> <div class="card"> <div class="card-body"><strong>Commenced</strong> in January 2007</div> </div> </div> <div class="col-sm-3"> <div class="card"> <div class="card-body"><strong>Frequency:</strong> Monthly</div> </div> </div> <div class="col-sm-3"> <div class="card"> <div class="card-body"><strong>Edition:</strong> International</div> </div> </div> <div class="col-sm-3"> <div class="card"> <div class="card-body"><strong>Paper Count:</strong> 2151</div> </div> </div> </div> <h1 class="mt-3 mb-3 text-center" style="font-size:1.6rem;">Search results for: secondary raw materials.</h1> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">2151</span> Secondary Materials Management in Latvia: Challenges and Possibilities</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=N.%20Kulakova">N. Kulakova</a> </p> <p class="card-text"><strong>Abstract:</strong></p> <p>Thisresearch paper is dedicated to an actual issue in Latvia and in the whole European Union – development of the secondary materials management. The goal of this paper is to research the development of the secondary materials management in Latvia as a result to point out its main positive aspects and problems. In this research paper the author regards following issues: significance of the secondary materials management, current situation of the waste generation and utilization in Latvia comparing with other EU Member States, main problems and positive aspects of the secondary materials management in Latvia. The research author concludes that in last ten years a great work is done to develop the secondary materials market. Nevertheless following improvements are necessary: implementation of the packaging deposit system, development of the separate waste collection, increasing of the recycling capacity.</p> <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=sustainable%20development" title="sustainable development">sustainable development</a>, <a href="https://publications.waset.org/search?q=secondary%20materials" title=" secondary materials"> secondary materials</a>, <a href="https://publications.waset.org/search?q=separate%20waste%20collection" title=" separate waste collection"> separate waste collection</a>, <a href="https://publications.waset.org/search?q=packaging%20deposit%20system." title=" packaging deposit system."> packaging deposit system.</a> </p> <a href="https://publications.waset.org/6281/secondary-materials-management-in-latvia-challenges-and-possibilities" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/6281/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/6281/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/6281/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/6281/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/6281/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/6281/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/6281/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/6281/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/6281/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/6281/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/6281.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">1537</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">2150</span> Polymer Industrial Floors - The Possibility of Using Secondary Raw Materials from Solar Panels</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=J.%20Kosikova">J. Kosikova</a>, <a href="https://publications.waset.org/search?q=B.%20Vacenovska"> B. Vacenovska</a>, <a href="https://publications.waset.org/search?q=M.%20Vyhnankova"> M. Vyhnankova</a> </p> <p class="card-text"><strong>Abstract:</strong></p> <p>The paper reports on the subject of recycling and further use of secondary raw materials obtained from solar panels, which is becoming a very up to date topic in recent years. Recycling these panels is very difficult and complex, and the use of resulting secondary raw materials is still not fully resolved. Within the research carried out at the Brno University of Technology, new polymer materials used for industrial floors are being developed. Secondary raw materials are incorporated into these polymers as fillers. One of the tested filler materials was glass obtained from solar panels. The following text describes procedures and results of the tests that were performed on these materials, confirming the possibility of the use of solar panel glass in industrial polymer flooring systems.</p> <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Fillers" title="Fillers">Fillers</a>, <a href="https://publications.waset.org/search?q=industrial%20floors" title=" industrial floors"> industrial floors</a>, <a href="https://publications.waset.org/search?q=recycling" title=" recycling"> recycling</a>, <a href="https://publications.waset.org/search?q=secondary%20raw%0D%0Amaterial" title=" secondary raw material"> secondary raw material</a>, <a href="https://publications.waset.org/search?q=solar%20panel." title=" solar panel."> solar panel.</a> </p> <a href="https://publications.waset.org/9998540/polymer-industrial-floors-the-possibility-of-using-secondary-raw-materials-from-solar-panels" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/9998540/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/9998540/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/9998540/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/9998540/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/9998540/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/9998540/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/9998540/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/9998540/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/9998540/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/9998540/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/9998540.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">1773</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">2149</span> Environmental Limits of Using Newly Developed Progressive Polymer Protection and Repair Systems</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=J.%20Hodna">J. Hodna</a>, <a href="https://publications.waset.org/search?q=B.%20Dohnalkova"> B. Dohnalkova</a>, <a href="https://publications.waset.org/search?q=V.%20Petranek"> V. Petranek</a>, <a href="https://publications.waset.org/search?q=R.%20Drochytka"> R. Drochytka</a> </p> <p class="card-text"><strong>Abstract:</strong></p> <p>The paper is focused on the identification of limiting environmental factors of individual industrial floors on which newly developed polymer protection and repair systems with the use of secondary raw materials will be used. These mainly include floors with extreme stresses and special requirements for materials used. In relation to the environment of a particular industrial floor, it is necessary to ensure, for example, chemical stability, resistance to higher temperatures, resistance to higher mechanical stress, etc. for developed materials, which is reflected in the demands for the developed material systems. The paper describes individual environments and, in relation to them, also requirements for individual components of the developed materials and for the developed materials as a whole.</p> <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Limits" title="Limits">Limits</a>, <a href="https://publications.waset.org/search?q=environment" title=" environment"> environment</a>, <a href="https://publications.waset.org/search?q=polymer" title=" polymer"> polymer</a>, <a href="https://publications.waset.org/search?q=industrial%20floors" title=" industrial floors"> industrial floors</a>, <a href="https://publications.waset.org/search?q=recycling" title=" recycling"> recycling</a>, <a href="https://publications.waset.org/search?q=secondary%20raw%20material" title=" secondary raw material"> secondary raw material</a>, <a href="https://publications.waset.org/search?q=protective%20system." title=" protective system."> protective system.</a> </p> <a href="https://publications.waset.org/10001261/environmental-limits-of-using-newly-developed-progressive-polymer-protection-and-repair-systems" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/10001261/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/10001261/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/10001261/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/10001261/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/10001261/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/10001261/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/10001261/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/10001261/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/10001261/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/10001261/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/10001261.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">1753</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">2148</span> Impact of Four Reading and Library Factors on the Grade Average of Ugandan Secondary School Students: A Quantitative Study</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=Valeda%20Dent">Valeda Dent</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This study explores reading and library factors related to secondary school student academic outcomes in rural areas in Uganda. This mixed methods study utilized quantitative data collected as part of a more extensive project to explore six student factors in relation to students’ school, library, and home environments. The Kitengesa Community Library in Uganda (www.kitengesalibrary.org) served as the site for this study. The factors explored for this study include reading frequency, library use frequency, library access, overall grade average (OGA), and presence and type of reading materials in the home. Results indicated that both reading frequency and certain types of reading materials read for recreational purposes are correlated with higher OGA. Reading frequency was positively correlated with student OGA for all students. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Rural%20village%20libraries" title="Rural village libraries">Rural village libraries</a>, <a href="https://publications.waset.org/search?q=secondary%20school%20students" title=" secondary school students"> secondary school students</a>, <a href="https://publications.waset.org/search?q=reading" title=" reading"> reading</a>, <a href="https://publications.waset.org/search?q=academic%20achievement." title=" academic achievement."> academic achievement.</a> </p> <a href="https://publications.waset.org/10005410/impact-of-four-reading-and-library-factors-on-the-grade-average-of-ugandan-secondary-school-students-a-quantitative-study" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/10005410/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/10005410/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/10005410/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/10005410/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/10005410/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/10005410/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/10005410/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/10005410/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/10005410/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/10005410/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/10005410.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">1334</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">2147</span> The Use of Secondary Crystallization in Cement-Based Composites</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=Nikol%20%C5%BDi%C5%BEkov%C3%A1">Nikol Žižková</a>, <a href="https://publications.waset.org/search?q=%C5%A0%C3%A1rka%20Keprdov%C3%A1"> Šárka Keprdová</a>, <a href="https://publications.waset.org/search?q=Rostislav%20Drochytka"> Rostislav Drochytka</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The paper focuses on the study of the properties of cement-based composites produced using secondary crystallization (crystalline additive). In this study, cement mortar made with secondary crystallization was exposed to an aggressive environment and the influence of secondary crystallization on the degradation of the cementitious composite was investigated. The results indicate that the crystalline additive contributed to increasing the resistance of the cement-based composite to the attack of the selected environments (sodium sulphate solution and ammonium chloride solution). <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Secondary%20crystallization" title="Secondary crystallization">Secondary crystallization</a>, <a href="https://publications.waset.org/search?q=cement-based%20composites" title=" cement-based composites"> cement-based composites</a>, <a href="https://publications.waset.org/search?q=durability." title=" durability."> durability.</a> </p> <a href="https://publications.waset.org/10005937/the-use-of-secondary-crystallization-in-cement-based-composites" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/10005937/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/10005937/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/10005937/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/10005937/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/10005937/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/10005937/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/10005937/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/10005937/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/10005937/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/10005937/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/10005937.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">1201</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">2146</span> Energy Deposited by Secondary Electrons Generated by Swift Proton Beams through Polymethylmethacrylate</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=Maurizio%20Dapor">Maurizio Dapor</a>, <a href="https://publications.waset.org/search?q=Isabel%20Abril"> Isabel Abril</a>, <a href="https://publications.waset.org/search?q=Pablo%20de%20Vera"> Pablo de Vera</a>, <a href="https://publications.waset.org/search?q=Rafael%20Garcia-Molina"> Rafael Garcia-Molina</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The ionization yield of ion tracks in polymers and bio-molecular systems reaches a maximum, known as the Bragg peak, close to the end of the ion trajectories. Along the path of the ions through the materials, many electrons are generated, which produce a cascade of further ionizations and, consequently, a shower of secondary electrons. Among these, very low energy secondary electrons can produce damage in the biomolecules by dissociative electron attachment. This work deals with the calculation of the energy distribution of electrons produced by protons in a sample of polymethylmethacrylate (PMMA), a material that is used as a phantom for living tissues in hadron therapy. PMMA is also of relevance for microelectronics in CMOS technologies and as a photoresist mask in electron beam lithography. We present a Monte Carlo code that, starting from a realistic description of the energy distribution of the electrons ejected by protons moving through PMMA, simulates the entire cascade of generated secondary electrons. By following in detail the motion of all these electrons, we find the radial distribution of the energy that they deposit in PMMA for several initial proton energies characteristic of the Bragg peak. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Monte%20Carlo%20method" title="Monte Carlo method">Monte Carlo method</a>, <a href="https://publications.waset.org/search?q=secondary%20electrons" title=" secondary electrons"> secondary electrons</a>, <a href="https://publications.waset.org/search?q=energetic%20ions" title=" energetic ions"> energetic ions</a>, <a href="https://publications.waset.org/search?q=ion-beam%20cancer%20therapy" title=" ion-beam cancer therapy"> ion-beam cancer therapy</a>, <a href="https://publications.waset.org/search?q=ionization%20cross%20section" title=" ionization cross section"> ionization cross section</a>, <a href="https://publications.waset.org/search?q=polymethylmethacrylate" title=" polymethylmethacrylate"> polymethylmethacrylate</a>, <a href="https://publications.waset.org/search?q=proton%20beams" title=" proton beams"> proton beams</a>, <a href="https://publications.waset.org/search?q=secondary%20electrons" title=" secondary electrons"> secondary electrons</a>, <a href="https://publications.waset.org/search?q=radial%20energy%20distribution." title=" radial energy distribution."> radial energy distribution.</a> </p> <a href="https://publications.waset.org/10005139/energy-deposited-by-secondary-electrons-generated-by-swift-proton-beams-through-polymethylmethacrylate" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/10005139/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/10005139/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/10005139/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/10005139/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/10005139/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/10005139/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/10005139/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/10005139/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/10005139/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/10005139/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/10005139.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">1568</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">2145</span> Reduce, Reuse and Recycle: Grand Challenges in Construction Recovery Process</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=Abioye%20A.%20Oyenuga">Abioye A. Oyenuga</a>, <a href="https://publications.waset.org/search?q=Rao%20Bhamidimarri"> Rao Bhamidimarri</a> </p> <p class="card-text"><strong>Abstract:</strong></p> <p>Hurling a successful Construction and Demolition Waste (C&DW) recycling operation around the globe is a challenge today, predominantly because secondary materials markets are yet to be integrated. Reducing, Reusing and recycling of (C&DW) have been employed over the years, and various techniques have been investigated. However, the economic and environmental viability of its application seems limited. This paper discusses the costs and benefits in using secondary materials and focus on investigating reuse and recycling process for five major types of construction materials: concrete, metal, wood, cardboard/paper and plasterboard. Data obtained from demolition specialists and contractors are considered and evaluated. The research paper found that construction material recovery process fully incorporate a 3R’s principle contributing to saving energy and natural resources. This scrutiny leads to the empathy of grand challenges in construction material recovery process. Recommendations to deepen material recovery process are also discussed.</p> <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Construction%20%26%20Demolition%20Waste%20%28C%26DW%29" title="Construction & Demolition Waste (C&DW)">Construction & Demolition Waste (C&DW)</a>, <a href="https://publications.waset.org/search?q=3R%0D%0Aconcept" title=" 3R concept"> 3R concept</a>, <a href="https://publications.waset.org/search?q=Recycling" title=" Recycling"> Recycling</a>, <a href="https://publications.waset.org/search?q=Reuse" title=" Reuse"> Reuse</a>, <a href="https://publications.waset.org/search?q=Life-Cycle%20Assessment%20%28LCA%29" title=" Life-Cycle Assessment (LCA)"> Life-Cycle Assessment (LCA)</a>, <a href="https://publications.waset.org/search?q=Waste%0D%0AManagement." title=" Waste Management."> Waste Management.</a> </p> <a href="https://publications.waset.org/10000955/reduce-reuse-and-recycle-grand-challenges-in-construction-recovery-process" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/10000955/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/10000955/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/10000955/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/10000955/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/10000955/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/10000955/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/10000955/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/10000955/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/10000955/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/10000955/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/10000955.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">5100</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">2144</span> Strategies for Developing e-LMS for Tanzania Secondary Schools</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=Ellen%20A.%20Kalinga">Ellen A. Kalinga</a>, <a href="https://publications.waset.org/search?q=R.%20B.%20Bagile%20Burchard"> R. B. Bagile Burchard</a>, <a href="https://publications.waset.org/search?q=Lena%20Trojer"> Lena Trojer</a> </p> <p class="card-text"><strong>Abstract:</strong></p> <p>Tanzania secondary schools in rural areas are geographically and socially isolated, hence face a number of problems in getting learning materials resulting in poor performance in National examinations. E-learning as defined to be the use of information and communication technology (ICT) for supporting the educational processes has motivated Tanzania to apply ICT in its education system. There has been effort to improve secondary school education using ICT through several projects. ICT for e-learning to Tanzania rural secondary school is one of the research projects conceived by the University of Dar-es-Salaam through its College of Engineering and Technology. The main objective of the project is to develop a tool to enable ICT support rural secondary school. The project is comprehensive with a number of components, one being development of e-learning management system (e-LMS) for Tanzania secondary schools. This paper presents strategies of developing e-LMS. It shows the importance of integrating action research methodology with the modeling methods as presented by model driven architecture (MDA) and the usefulness of Unified Modeling Language (UML) on the issue of modeling. The benefit of MDA will go along with the development based on software development life cycle (SDLC) process, from analysis and requirement phase through design and implementation stages as employed by object oriented system analysis and design approach. The paper also explains the employment of open source code reuse from open source learning platforms for the context sensitive development of the e-LMS for Tanzania secondary schools.</p> <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Action%20Research%20Methodology" title="Action Research Methodology">Action Research Methodology</a>, <a href="https://publications.waset.org/search?q=OOSA%26D" title=" OOSA&D"> OOSA&D</a>, <a href="https://publications.waset.org/search?q=MDA" title=" MDA"> MDA</a>, <a href="https://publications.waset.org/search?q=UML" title=" UML"> UML</a>, <a href="https://publications.waset.org/search?q=Open%20Source%20LMS." title=" Open Source LMS."> Open Source LMS.</a> </p> <a href="https://publications.waset.org/8796/strategies-for-developing-e-lms-for-tanzania-secondary-schools" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/8796/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/8796/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/8796/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/8796/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/8796/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/8796/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/8796/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/8796/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/8796/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/8796/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/8796.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">2238</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">2143</span> Sampling Effects on Secondary Voltage Control of Microgrids Based on Network of Multiagent</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=M.%20J.%20Park">M. J. Park</a>, <a href="https://publications.waset.org/search?q=S.%20H.%20Lee"> S. H. Lee</a>, <a href="https://publications.waset.org/search?q=C.%20H.%20Lee"> C. H. Lee</a>, <a href="https://publications.waset.org/search?q=O.%20M.%20Kwon"> O. M. Kwon</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper studies a secondary voltage control framework of the microgrids based on the consensus for a communication network of multiagent. The proposed control is designed by the communication network with one-way links. The communication network is modeled by a directed graph. At this time, the concept of sampling is considered as the communication constraint among each distributed generator in the microgrids. To analyze the sampling effects on the secondary voltage control of the microgrids, by using Lyapunov theory and some mathematical techniques, the sufficient condition for such problem will be established regarding linear matrix inequality (LMI). Finally, some simulation results are given to illustrate the necessity of the consideration of the sampling effects on the secondary voltage control of the microgrids. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Microgrids" title="Microgrids">Microgrids</a>, <a href="https://publications.waset.org/search?q=secondary%20control" title=" secondary control"> secondary control</a>, <a href="https://publications.waset.org/search?q=multiagent" title=" multiagent"> multiagent</a>, <a href="https://publications.waset.org/search?q=sampling" title=" sampling"> sampling</a>, <a href="https://publications.waset.org/search?q=LMI." title=" LMI."> LMI.</a> </p> <a href="https://publications.waset.org/10004849/sampling-effects-on-secondary-voltage-control-of-microgrids-based-on-network-of-multiagent" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/10004849/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/10004849/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/10004849/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/10004849/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/10004849/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/10004849/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/10004849/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/10004849/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/10004849/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/10004849/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/10004849.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">1450</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">2142</span> Maximum Common Substructure Extraction in RNA Secondary Structures Using Clique Detection Approach</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=Shih-Yi%20Chao">Shih-Yi Chao</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The similarity comparison of RNA secondary structures is important in studying the functions of RNAs. In recent years, most existing tools represent the secondary structures by tree-based presentation and calculate the similarity by tree alignment distance. Different to previous approaches, we propose a new method based on maximum clique detection algorithm to extract the maximum common structural elements in compared RNA secondary structures. A new graph-based similarity measurement and maximum common subgraph detection procedures for comparing purely RNA secondary structures is introduced. Given two RNA secondary structures, the proposed algorithm consists of a process to determine the score of the structural similarity, followed by comparing vertices labelling, the labelled edges and the exact degree of each vertex. The proposed algorithm also consists of a process to extract the common structural elements between compared secondary structures based on a proposed maximum clique detection of the problem. This graph-based model also can work with NC-IUB code to perform the pattern-based searching. Therefore, it can be used to identify functional RNA motifs from database or to extract common substructures between complex RNA secondary structures. We have proved the performance of this proposed algorithm by experimental results. It provides a new idea of comparing RNA secondary structures. This tool is helpful to those who are interested in structural bioinformatics. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Clique%20detection" title="Clique detection">Clique detection</a>, <a href="https://publications.waset.org/search?q=labeled%20vertices" title=" labeled vertices"> labeled vertices</a>, <a href="https://publications.waset.org/search?q=RNA%20secondary%0Astructures" title=" RNA secondary structures"> RNA secondary structures</a>, <a href="https://publications.waset.org/search?q=subgraph" title=" subgraph"> subgraph</a>, <a href="https://publications.waset.org/search?q=similarity." title=" similarity."> similarity.</a> </p> <a href="https://publications.waset.org/9393/maximum-common-substructure-extraction-in-rna-secondary-structures-using-clique-detection-approach" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/9393/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/9393/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/9393/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/9393/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/9393/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/9393/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/9393/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/9393/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/9393/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/9393/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/9393.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">1457</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">2141</span> Perceptions on Accounting Career: A Study among the Secondary School Students in a Regional Kelantan State</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=Hezlina%20Mohd%20Hashim">Hezlina Mohd Hashim</a>, <a href="https://publications.waset.org/search?q=Abdul%20Mutalib%20Embong"> Abdul Mutalib Embong</a>, <a href="https://publications.waset.org/search?q=Zullina%20H.%20Shaari"> Zullina H. Shaari</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This study analyses the perceptions of secondary school students about the accounting profession in Malaysia. Fifty five form three and form four students who are taking accounting/commerce subjects were met. Individual-s perception data were collected through questionnaires. The results at the secondary school level suggest that the stereotypical negative image of the accountant ends, with students expressing the positive view of the work of an accountant. There were also gender differences in perceiving the accounting profession. Overall, the results of the study suggest that we are now in line in projecting positive and accurate perceptions of the accounting profession to secondary school students. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Perceptions" title="Perceptions">Perceptions</a>, <a href="https://publications.waset.org/search?q=secondary%20school%20students" title=" secondary school students"> secondary school students</a>, <a href="https://publications.waset.org/search?q=accounting%0Aprofession" title=" accounting profession"> accounting profession</a>, <a href="https://publications.waset.org/search?q=Malaysia." title=" Malaysia."> Malaysia.</a> </p> <a href="https://publications.waset.org/12978/perceptions-on-accounting-career-a-study-among-the-secondary-school-students-in-a-regional-kelantan-state" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/12978/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/12978/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/12978/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/12978/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/12978/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/12978/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/12978/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/12978/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/12978/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/12978/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/12978.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">5941</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">2140</span> Predominance of Teaching Models Used by Math Teachers in Secondary Education</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=Ver%C3%B3nica%20Diaz%20Quezada">Verónica Diaz Quezada</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This research examines the teaching models used by secondary math teachers when teaching logarithmic, quadratic and exponential functions. For this, descriptive case studies have been carried out on 5 secondary teachers. These teachers have been chosen from 3 scientific-humanistic and technical schools, in Chile. Data have been obtained through non-participant class observation and the application of a questionnaire and a rubric to teachers. According to the results, the didactic model that prevails is the one that starts with an interactive strategy, moves to a more content-based structure, and ends with a reinforcement stage. Nonetheless, there is always influence from teachers, their methods, and the group of students. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Teaching%20models" title="Teaching models">Teaching models</a>, <a href="https://publications.waset.org/search?q=math%20teachers" title=" math teachers"> math teachers</a>, <a href="https://publications.waset.org/search?q=functions" title=" functions"> functions</a>, <a href="https://publications.waset.org/search?q=secondary%20education." title=" secondary education."> secondary education.</a> </p> <a href="https://publications.waset.org/10009889/predominance-of-teaching-models-used-by-math-teachers-in-secondary-education" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/10009889/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/10009889/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/10009889/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/10009889/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/10009889/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/10009889/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/10009889/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/10009889/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/10009889/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/10009889/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/10009889.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">804</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">2139</span> A Secondary Disaster Due To Inhabitant's Action after a Strong Earthquake: A Case Study of the 2008 Sichuan Earthquake</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=Douangmala%20Kounsana">Douangmala Kounsana</a>, <a href="https://publications.waset.org/search?q=Xiang%20Wen"> Xiang Wen</a>, <a href="https://publications.waset.org/search?q=Toru%20Takahashi"> Toru Takahashi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> <p>After a strong earthquake occurs, a secondary disaster due to strong aftershocks, flood, landslide or heavy snow can possible to occur and the secondary disaster due to resident-s action also can possible to happen. However, until now seldom researchers have paid attention at it. This paper focused on the Inhabitant-s action after the strong earthquake occurs when a terrible even becomes calm. An inappropriate behavior of people with disadvantaged climate after the worse earthquake can bring a tragedy to their life.</p> <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Sichuan%20Earthquake" title="Sichuan Earthquake">Sichuan Earthquake</a>, <a href="https://publications.waset.org/search?q=Secondary%20Disaster" title=" Secondary Disaster"> Secondary Disaster</a>, <a href="https://publications.waset.org/search?q=Inhabitant%27s%20Action" title=" Inhabitant's Action"> Inhabitant's Action</a>, <a href="https://publications.waset.org/search?q=inappropriate%20behavior." title=" inappropriate behavior."> inappropriate behavior.</a> </p> <a href="https://publications.waset.org/8094/a-secondary-disaster-due-to-inhabitants-action-after-a-strong-earthquake-a-case-study-of-the-2008-sichuan-earthquake" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/8094/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/8094/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/8094/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/8094/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/8094/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/8094/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/8094/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/8094/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/8094/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/8094/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/8094.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">1715</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">2138</span> Combination of Standard Secondary Raw Materials and New Production Waste Materials in Green Concrete Technology</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=M.%20Tazky">M. Tazky</a>, <a href="https://publications.waset.org/search?q=R.%20Hela"> R. Hela</a>, <a href="https://publications.waset.org/search?q=P.%20Novosad"> P. Novosad</a>, <a href="https://publications.waset.org/search?q=L.%20Osuska"> L. Osuska</a> </p> <p class="card-text"><strong>Abstract:</strong></p> <p>This paper deals with the possibility of safe incorporation fluidised bed combustion fly ash (waste material) into cement matrix together with next commonly used secondary raw material, which is high-temperature fly ash. Both of these materials have a very high pozzolanic ability, and the right combination could bring important improvements in both the physico-mechanical properties and the better durability of a cement composite. This paper tries to determine the correct methodology for designing green concrete by using modern methods measuring rheology of fresh concrete and following hydration processes. The use of fluidised bed combustion fly ash in cement composite production as an admixture is not currently common, but there are some real possibilities for its potential. The most striking negative aspect is its chemical composition which supports the development of new product formation, influencing the durability of the composite. Another disadvantage is the morphology of grains, which have a negative effect on consistency. This raises the question of how this waste can be used in concrete production to emphasize its positive properties and eliminate negatives. The focal point of the experiment carried out on cement pastes was particularly on the progress of hydration processes, aiming for the possible acceleration of pozzolanic reactions of both types of fly ash.</p> <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=High-temperature%20fly%20ash" title="High-temperature fly ash">High-temperature fly ash</a>, <a href="https://publications.waset.org/search?q=fluidised%20bed%20combustion%20fly%20ash" title=" fluidised bed combustion fly ash"> fluidised bed combustion fly ash</a>, <a href="https://publications.waset.org/search?q=pozzolanic" title=" pozzolanic"> pozzolanic</a>, <a href="https://publications.waset.org/search?q=CaO%20%28calcium%20oxide%29" title=" CaO (calcium oxide)"> CaO (calcium oxide)</a>, <a href="https://publications.waset.org/search?q=rheology." title=" rheology."> rheology.</a> </p> <a href="https://publications.waset.org/10008719/combination-of-standard-secondary-raw-materials-and-new-production-waste-materials-in-green-concrete-technology" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/10008719/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/10008719/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/10008719/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/10008719/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/10008719/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/10008719/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/10008719/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/10008719/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/10008719/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/10008719/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/10008719.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">787</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">2137</span> Role of Direct and Secondary Traumatic Experience on Later Functioning</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=Pamela%20L.%20Knox">Pamela L. Knox</a>, <a href="https://publications.waset.org/search?q=Linda%20R.%20Guthrie"> Linda R. Guthrie</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Trauma in early life is widely regarded as a cause for adult mental health problems. This study explores the role of secondary trauma on later functioning in a sample of 359 university students enrolled in undergraduate psychology classes in the United States. Participants were initially divided into four groups based on 1) having directly experienced trauma (assaultive violence), 2) having directly experienced trauma and secondary traumatization through the unanticipated death of a close friend or family member or witnessing of an injury or shocking even), 3) having no experience of direct trauma but having experienced indirect trauma (secondary trauma), or 4) reporting no exposure. Participants completed a battery of measures on concepts associated with psychological functioning which included measures of psychological well-being, problem solving, coping and resiliency. Findings discuss differences in psychological functioning and resilience based on participants who experienced secondary traumatization and assaultive violence versus secondary traumatization alone. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Psychological%20Functioning" title="Psychological Functioning">Psychological Functioning</a>, <a href="https://publications.waset.org/search?q=Resiliency" title=" Resiliency"> Resiliency</a>, <a href="https://publications.waset.org/search?q=Trauma" title=" Trauma"> Trauma</a>, <a href="https://publications.waset.org/search?q=Abuse" title=" Abuse"> Abuse</a> </p> <a href="https://publications.waset.org/11314/role-of-direct-and-secondary-traumatic-experience-on-later-functioning" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/11314/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/11314/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/11314/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/11314/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/11314/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/11314/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/11314/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/11314/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/11314/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/11314/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/11314.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">2054</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">2136</span> Synthesis of Hard Magnetic Material from Secondary Resources</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=M.%20Bahgat">M. Bahgat</a>, <a href="https://publications.waset.org/search?q=F.%20M.%20Awan"> F. M. Awan</a>, <a href="https://publications.waset.org/search?q=H.%20A.%20Hanafy"> H. A. Hanafy</a>, <a href="https://publications.waset.org/search?q=O.%20N.%20Alzeghaibi"> O. N. Alzeghaibi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> <p>Strontium hexaferrite (SrFe12O19; Sr-ferrite) is one of the well-known materials for permanent magnets. In this study, Mtype strontium ferrite was prepared by following the conventional ceramic method from steelmaking by-product. Initial materials; SrCO3 and by-product, were mixed together in the composition of SrFe12O19 in different Sr/Fe ratios. The mixtures of these raw materials were dry-milled for 6h. The blended powder was presintered (i.e. calcination) at 1000°C for different times periods, then cooled down to room temperature. These pre-sintered samples were re-milled in a dry atmosphere for 1h and then fired at different temperatures in atmospheric conditions, and cooled down to room temperature. The produced magnetic powder has a dense hexagonal grain shape structure. The calculated energy product values for the produced samples ranged from 0.3 to 2.4 MGOe.</p> <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Ceramic%20route" title="Ceramic route">Ceramic route</a>, <a href="https://publications.waset.org/search?q=Hard%20magnetic%20materials" title=" Hard magnetic materials"> Hard magnetic materials</a>, <a href="https://publications.waset.org/search?q=Strontium%0D%0Aferrite." title=" Strontium ferrite."> Strontium ferrite.</a> </p> <a href="https://publications.waset.org/9999265/synthesis-of-hard-magnetic-material-from-secondary-resources" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/9999265/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/9999265/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/9999265/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/9999265/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/9999265/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/9999265/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/9999265/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/9999265/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/9999265/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/9999265/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/9999265.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">2359</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">2135</span> Customization of Moodle Open Source LMS for Tanzania Secondary Schools’ Use</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=Ellen.%20A.%20Kalinga">Ellen. A. Kalinga</a> </p> <p class="card-text"><strong>Abstract:</strong></p> <p>Moodle is an open source learning management system that enables creation of a powerful and flexible learning environment. Many organizations, especially learning institutions have customized Moodle open source LMS for their own use. In general open source LMSs are of great interest due to many advantages they offer in terms of cost, usage and freedom to customize to fit a particular context. Tanzania Secondary School e- Learning (TanSSe-L) system is the learning management system for Tanzania secondary schools. TanSSe-L system was developed using a number of methods, one of them being customization of Moodle Open Source LMS. This paper presents few areas on the way Moodle OS LMS was customized to produce a functional TanSSe-L system fitted to the requirements and specifications of Tanzania secondary schools’ context.</p> <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=LMS" title="LMS">LMS</a>, <a href="https://publications.waset.org/search?q=Moodle" title=" Moodle"> Moodle</a>, <a href="https://publications.waset.org/search?q=e-Learning" title="e-Learning">e-Learning</a>, <a href="https://publications.waset.org/search?q=Tanzania" title=" Tanzania"> Tanzania</a>, <a href="https://publications.waset.org/search?q=Secondary%0D%0Aschool." title=" Secondary school."> Secondary school.</a> </p> <a href="https://publications.waset.org/10000843/customization-of-moodle-open-source-lms-for-tanzania-secondary-schools-use" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/10000843/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/10000843/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/10000843/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/10000843/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/10000843/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/10000843/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/10000843/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/10000843/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/10000843/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/10000843/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/10000843.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">3736</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">2134</span> Developing Proof Demonstration Skills in Teaching Mathematics in the Secondary School</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=M.%20Rodionov">M. Rodionov</a>, <a href="https://publications.waset.org/search?q=Z.%20Dedovets"> Z. Dedovets</a> </p> <p class="card-text"><strong>Abstract:</strong></p> <p>The article describes the theoretical concept of teaching secondary school students proof demonstration skills in mathematics. It describes in detail different levels of mastery of the concept of proof-which correspond to Piaget’s idea of there being three distinct and progressively more complex stages in the development of human reflection. Lessons for each level contain a specific combination of the visual-figurative components and deductive reasoning. It is vital at the transition point between levels to carefully and rigorously recalibrate teaching to reflect the development of more complex reflective understanding. This can apply even within the same age range, since students will develop at different speeds and to different potential. The authors argue that this requires an aware and adaptive approach to lessons to reflect this complexity and variation. The authors also contend that effective teaching which enables students to properly understand the implementation of proof arguments must develop specific competences. These are: understanding of the importance of completeness and generality in making a valid argument; being task focused; having an internalised locus of control and being flexible in approach and evaluation. These criteria must be correlated with the systematic application of corresponding methodologies which are best likely to achieve success. The particular pedagogical decisions which are made to deliver this objective are illustrated by concrete examples from the existing secondary school mathematics courses. The proposed theoretical concept formed the basis of the development of methodological materials which have been tested in 47 secondary schools.</p> <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Education" title="Education">Education</a>, <a href="https://publications.waset.org/search?q=teaching%20of%20mathematics" title=" teaching of mathematics"> teaching of mathematics</a>, <a href="https://publications.waset.org/search?q=proof" title=" proof"> proof</a>, <a href="https://publications.waset.org/search?q=deductive%20reasoning" title=" deductive reasoning"> deductive reasoning</a>, <a href="https://publications.waset.org/search?q=secondary%20school." title=" secondary school."> secondary school.</a> </p> <a href="https://publications.waset.org/10010340/developing-proof-demonstration-skills-in-teaching-mathematics-in-the-secondary-school" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/10010340/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/10010340/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/10010340/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/10010340/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/10010340/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/10010340/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/10010340/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/10010340/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/10010340/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/10010340/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/10010340.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">905</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">2133</span> Stabilization of γ-Sterilized Food-Packaging Materials by Synergistic Mixtures of Food-Contact Approval Stabilizers</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=Sameh%20A.%20S.%20Alariqi">Sameh A. S. Alariqi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> <p>Food is widely packaged with plastic materials to prevent microbial contamination and spoilage. Ionizing radiation is widely used to sterilize the food-packaging materials. Sterilization by γ-radiation causes degradation such as embrittlement, stiffening, softening, discoloration, odour generation, and decrease in molecular weight. Many antioxidants can prevent γ-degradation but most of them are toxic. The migration of antioxidants to its environment gives rise to major concerns in case of food packaging plastics. In this attempt, we have aimed to utilize synergistic mixtures of stabilizers which are approved for food-contact applications. Ethylene-propylene-diene terpolymer has been melt-mixed with hindered amine stabilizers (HAS), phenolic antioxidants and organophosphites (hydroperoxide decomposer). Results were discussed by comparing the stabilizing efficiency of mixtures with and without phenol system. Among phenol containing systems where we mostly observed discoloration due to the oxidation of hindered phenol, the combination of secondary HAS, tertiary HAS, organo-phosphite and hindered phenol exhibited improved stabilization efficiency than single or binary additive systems. The mixture of secondary HAS and tertiary HAS, has shown antagonistic effect of stabilization. However, the combination of organo-phosphite with secondary HAS, tertiary HAS and phenol antioxidants have been found to give synergistic even at higher doses of Gamma-irradiation. The effects have been explained through the interaction between the stabilizers. After γ-irradiation, the consumption of oligomeric stabilizer significantly depends on the components of stabilization mixture. The effect of the organo-phosphite antioxidant on the overall stability has been discussed.</p> <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Ethylene-propylene-diene%20terpolymer" title="Ethylene-propylene-diene terpolymer">Ethylene-propylene-diene terpolymer</a>, <a href="https://publications.waset.org/search?q=Synergistic%0D%0Amixtures" title=" Synergistic mixtures"> Synergistic mixtures</a>, <a href="https://publications.waset.org/search?q=Gamma-sterilization%20and%20stabilization." title=" Gamma-sterilization and stabilization."> Gamma-sterilization and stabilization.</a> </p> <a href="https://publications.waset.org/10000420/stabilization-of-gh-sterilized-food-packaging-materials-by-synergistic-mixtures-of-food-contact-approval-stabilizers" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/10000420/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/10000420/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/10000420/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/10000420/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/10000420/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/10000420/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/10000420/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/10000420/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/10000420/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/10000420/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/10000420.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">5840</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">2132</span> Leveraging Reasoning through Discourse: A Case Study in Secondary Mathematics Classrooms </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=Cory%20A.%20Bennett">Cory A. Bennett</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Teaching and learning through the use of discourse support students’ conceptual understanding by attending to key concepts and relationships. One discourse structure used in primary classrooms is number talks wherein students mentally calculate, discuss, and reason about the appropriateness and efficiency of their strategies. In the secondary mathematics classroom, the mathematics understudy does not often lend itself to mental calculations yet learning to reason, and articulate reasoning, is central to learning mathematics. This qualitative case study discusses how one secondary school in the Middle East adapted the number talk protocol for secondary mathematics classrooms. Several challenges in implementing ‘reasoning talks’ became apparent including shifting current discourse protocols and practices to a more student-centric model, accurately recording and probing student thinking, and specifically attending to reasoning rather than computations. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Discourse" title="Discourse">Discourse</a>, <a href="https://publications.waset.org/search?q=reasoning" title=" reasoning"> reasoning</a>, <a href="https://publications.waset.org/search?q=secondary%20mathematics" title=" secondary mathematics"> secondary mathematics</a>, <a href="https://publications.waset.org/search?q=teacher%20development." title=" teacher development. "> teacher development. </a> </p> <a href="https://publications.waset.org/10009152/leveraging-reasoning-through-discourse-a-case-study-in-secondary-mathematics-classrooms" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/10009152/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/10009152/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/10009152/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/10009152/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/10009152/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/10009152/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/10009152/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/10009152/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/10009152/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/10009152/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/10009152.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">1002</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">2131</span> Protein Secondary Structure Prediction Using Parallelized Rule Induction from Coverings</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=Leong%20Lee">Leong Lee</a>, <a href="https://publications.waset.org/search?q=Cyriac%20Kandoth"> Cyriac Kandoth</a>, <a href="https://publications.waset.org/search?q=Jennifer%20L.%20Leopold"> Jennifer L. Leopold</a>, <a href="https://publications.waset.org/search?q=Ronald%20L.%20Frank"> Ronald L. Frank</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Protein 3D structure prediction has always been an important research area in bioinformatics. In particular, the prediction of secondary structure has been a well-studied research topic. Despite the recent breakthrough of combining multiple sequence alignment information and artificial intelligence algorithms to predict protein secondary structure, the Q3 accuracy of various computational prediction algorithms rarely has exceeded 75%. In a previous paper [1], this research team presented a rule-based method called RT-RICO (Relaxed Threshold Rule Induction from Coverings) to predict protein secondary structure. The average Q3 accuracy on the sample datasets using RT-RICO was 80.3%, an improvement over comparable computational methods. Although this demonstrated that RT-RICO might be a promising approach for predicting secondary structure, the algorithm-s computational complexity and program running time limited its use. Herein a parallelized implementation of a slightly modified RT-RICO approach is presented. This new version of the algorithm facilitated the testing of a much larger dataset of 396 protein domains [2]. Parallelized RTRICO achieved a Q3 score of 74.6%, which is higher than the consensus prediction accuracy of 72.9% that was achieved for the same test dataset by a combination of four secondary structure prediction methods [2]. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=data%20mining" title="data mining">data mining</a>, <a href="https://publications.waset.org/search?q=protein%20secondary%20structure%20prediction" title=" protein secondary structure prediction"> protein secondary structure prediction</a>, <a href="https://publications.waset.org/search?q=parallelization." title="parallelization.">parallelization.</a> </p> <a href="https://publications.waset.org/3815/protein-secondary-structure-prediction-using-parallelized-rule-induction-from-coverings" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/3815/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/3815/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/3815/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/3815/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/3815/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/3815/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/3815/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/3815/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/3815/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/3815/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/3815.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">1596</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">2130</span> The Influence of Physical-Mechanical and Thermal Properties of Hemp Filling Materials by the Addition of Energy Byproducts</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=Sarka%20Keprdova">Sarka Keprdova</a>, <a href="https://publications.waset.org/search?q=Jiri%20Bydzovsky"> Jiri Bydzovsky</a> </p> <p class="card-text"><strong>Abstract:</strong></p> <p>This article describes to what extent the addition of energy by-products into the structures of the technical hemp filling materials influence their properties. The article focuses on the changes in physical-mechanical and thermal technical properties of materials after the addition of ash or FBC ash or slag in the binding component of material. Technical hemp filling materials are made of technical hemp shives bonded by the mixture of cement and dry hydrate lime. They are applicable as fillers of vertical or horizontal structures or roofs. The research used eight types of energy by-products of power or heating plants in the Czech Republic. Secondary energy products were dispensed in three different percentage ratios as a replacement of cement in the binding component. Density, compressive strength and determination of the coefficient of thermal conductivity after 28, 60 and 90 days of curing in a laboratory environment were determined and subsequently evaluated on the specimens produced.</p> <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Ash" title="Ash">Ash</a>, <a href="https://publications.waset.org/search?q=binder" title=" binder"> binder</a>, <a href="https://publications.waset.org/search?q=cement" title=" cement"> cement</a>, <a href="https://publications.waset.org/search?q=energy%20by-product" title=" energy by-product"> energy by-product</a>, <a href="https://publications.waset.org/search?q=FBC%20ash%20%28fluidized%20bed%20combustion%20ash%29" title=" FBC ash (fluidized bed combustion ash)"> FBC ash (fluidized bed combustion ash)</a>, <a href="https://publications.waset.org/search?q=filling%20materials" title=" filling materials"> filling materials</a>, <a href="https://publications.waset.org/search?q=shives" title=" shives"> shives</a>, <a href="https://publications.waset.org/search?q=slag" title=" slag"> slag</a>, <a href="https://publications.waset.org/search?q=technical%20hemp." title=" technical hemp. "> technical hemp. </a> </p> <a href="https://publications.waset.org/9998353/the-influence-of-physical-mechanical-and-thermal-properties-of-hemp-filling-materials-by-the-addition-of-energy-byproducts" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/9998353/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/9998353/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/9998353/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/9998353/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/9998353/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/9998353/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/9998353/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/9998353/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/9998353/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/9998353/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/9998353.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">1898</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">2129</span> Assessing Secondary School Curricula in the Light of Developing Quality of Life Standards of High School Students</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=O.%20Ali%20Alghtani">O. Ali Alghtani</a>, <a href="https://publications.waset.org/search?q=Y.%20Abdul-Ekhalq%20Ali"> Y. Abdul-Ekhalq Ali</a>, <a href="https://publications.waset.org/search?q=A.%20Abdul-Ekhalq%20Ali"> A. Abdul-Ekhalq Ali</a>, <a href="https://publications.waset.org/search?q=A.%20Al%20Sadiq%20Abdul%20Majeed"> A. Al Sadiq Abdul Majeed</a>, <a href="https://publications.waset.org/search?q=N.%20Attian%20Al-Mohammadi"> N. Attian Al-Mohammadi</a>, <a href="https://publications.waset.org/search?q=O.%20Mozel%20Alharbi"> O. Mozel Alharbi</a>, <a href="https://publications.waset.org/search?q=S.%20Mohamed%20Ismail"> S. Mohamed Ismail</a>, <a href="https://publications.waset.org/search?q=O.%20Ibrahim%20Asiri"> O. Ibrahim Asiri</a> </p> <p class="card-text"><strong>Abstract:</strong></p> <p>This study assessed the curricula of secondary schools given requirements to enhance the quality of life of students. The components of quality of life were described to build a list of standards and indicators. A questionnaire assessing the dimensions of mental (cognitive and emotional), physical, digital, and social health, and environmental awareness was prepared. A descriptive-analytical approach was used on a sample of 258 teachers and educational supervisors in Tabuk. The results indicated shortcomings in the secondary school curricula regarding developing standards and indicators of components of quality of life. Results also indicated that secondary school curricula incorporated few practices to improve student’s quality of life. No significant differences were found regarding the core subject, job, gender, and years of experience.</p> <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Assessing%20curricula" title="Assessing curricula">Assessing curricula</a>, <a href="https://publications.waset.org/search?q=teacher%20practices" title=" teacher practices"> teacher practices</a>, <a href="https://publications.waset.org/search?q=quality%20of%20life" title=" quality of life"> quality of life</a>, <a href="https://publications.waset.org/search?q=Secondary%20School." title=" Secondary School."> Secondary School.</a> </p> <a href="https://publications.waset.org/10013412/assessing-secondary-school-curricula-in-the-light-of-developing-quality-of-life-standards-of-high-school-students" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/10013412/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/10013412/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/10013412/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/10013412/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/10013412/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/10013412/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/10013412/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/10013412/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/10013412/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/10013412/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/10013412.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">148</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">2128</span> Numerical Studies on Thrust Vectoring Using Shock-Induced Self Impinging Secondary Jets</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=S.%20Vignesh">S. Vignesh</a>, <a href="https://publications.waset.org/search?q=N.%20Vishnu"> N. Vishnu</a>, <a href="https://publications.waset.org/search?q=S.%20Vigneshwaran"> S. Vigneshwaran</a>, <a href="https://publications.waset.org/search?q=M.%20Vishnu%20Anand"> M. Vishnu Anand</a>, <a href="https://publications.waset.org/search?q=Dinesh%20Kumar%20Babu"> Dinesh Kumar Babu</a>, <a href="https://publications.waset.org/search?q=V.%20R.%20Sanal%20Kumar"> V. R. Sanal Kumar</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Numerical studies have been carried out using a validated two-dimensional standard k-omega turbulence model for the design optimization of a thrust vector control system using shock induced self-impinging supersonic secondary double jet. Parametric analytical studies have been carried out at different secondary injection locations to identifying the highest unsymmetrical distribution of the main gas flow due to shock waves, which produces a desirable side force more lucratively for vectoring. The results from the parametric studies of the case on hand reveal that the shock induced self-impinging supersonic secondary double jet is more efficient in certain locations at the divergent region of a CD nozzle than a case with supersonic single jet with same mass flow rate. We observed that the best axial location of the self-impinging supersonic secondary double jet nozzle with a given jet interaction angle, built-in to a CD nozzle having area ratio 1.797, is 0.991 times the primary nozzle throat diameter from the throat location. We also observed that the flexible steering is possible after invoking ON/OFF facility to the secondary nozzles for meeting the onboard mission requirements. Through our case studies we concluded that the supersonic self-impinging secondary double jet at predesigned jet interaction angle and location can provide more flexible steering options facilitating with 8.81% higher thrust vectoring efficiency than the conventional supersonic single secondary jet without compromising the payload capability of any supersonic aerospace vehicle. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Fluidic%20thrust%20vectoring" title="Fluidic thrust vectoring">Fluidic thrust vectoring</a>, <a href="https://publications.waset.org/search?q=rocket%20steering" title=" rocket steering"> rocket steering</a>, <a href="https://publications.waset.org/search?q=self-impinging%0D%0Asecondary%20supersonic%20jet" title=" self-impinging secondary supersonic jet"> self-impinging secondary supersonic jet</a>, <a href="https://publications.waset.org/search?q=TVC%20in%20aerospace%20vehicles." title=" TVC in aerospace vehicles."> TVC in aerospace vehicles.</a> </p> <a href="https://publications.waset.org/10002005/numerical-studies-on-thrust-vectoring-using-shock-induced-self-impinging-secondary-jets" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/10002005/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/10002005/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/10002005/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/10002005/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/10002005/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/10002005/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/10002005/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/10002005/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/10002005/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/10002005/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/10002005.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">2681</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">2127</span> An Interactive e-Learning Management System (e-LMS): A Solution to Tanzanian Secondary Schools' Education</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=A.%20Ellen%20Kalinga">A. Ellen Kalinga</a>, <a href="https://publications.waset.org/search?q=R.%20B.%20Burchard%20Bagile"> R. B. Burchard Bagile</a>, <a href="https://publications.waset.org/search?q=Lena%20Trojer"> Lena Trojer </a> </p> <p class="card-text"><strong>Abstract:</strong></p> Information and Communications Technologies (ICT) has been integrated in education in many developing and developed countries alike, but the use of ICT in Tanzanian schools is dismal. Many Tanzanian secondary schools have no computers. The few schools with computers use them primarily for secretarial services and computer literacy training. The Tanzanian education system at other levels like secondary school level has to undergo substantial transformation, underscored by the growing application of new information and communication technology. This paper presents the e-readiness survey result from secondary schools in Tanzania. The paper also suggests how Tanzania can make use of the few present ICT resources to support and improve teaching and learning functions to improve performance and acquisition of knowledge by using e-Learning Management System (e-LMS). <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=e-Learning" title="e-Learning">e-Learning</a>, <a href="https://publications.waset.org/search?q=ICT" title=" ICT"> ICT</a>, <a href="https://publications.waset.org/search?q=Object-Oriented" title=" Object-Oriented"> Object-Oriented</a>, <a href="https://publications.waset.org/search?q=Participatorydesign." title=" Participatorydesign."> Participatorydesign.</a> </p> <a href="https://publications.waset.org/14641/an-interactive-e-learning-management-system-e-lms-a-solution-to-tanzanian-secondary-schools-education" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/14641/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/14641/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/14641/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/14641/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/14641/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/14641/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/14641/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/14641/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/14641/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/14641/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/14641.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">2771</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">2126</span> Protein Secondary Structure Prediction</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=Manpreet%20Singh">Manpreet Singh</a>, <a href="https://publications.waset.org/search?q=Parvinder%20Singh%20Sandhu"> Parvinder Singh Sandhu</a>, <a href="https://publications.waset.org/search?q=Reet%20Kamal%20Kaur"> Reet Kamal Kaur</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Protein structure determination and prediction has been a focal research subject in the field of bioinformatics due to the importance of protein structure in understanding the biological and chemical activities of organisms. The experimental methods used by biotechnologists to determine the structures of proteins demand sophisticated equipment and time. A host of computational methods are developed to predict the location of secondary structure elements in proteins for complementing or creating insights into experimental results. However, prediction accuracies of these methods rarely exceed 70%. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Protein" title="Protein">Protein</a>, <a href="https://publications.waset.org/search?q=Secondary%20Structure" title=" Secondary Structure"> Secondary Structure</a>, <a href="https://publications.waset.org/search?q=Prediction" title=" Prediction"> Prediction</a>, <a href="https://publications.waset.org/search?q=DNA" title=" DNA"> DNA</a>, <a href="https://publications.waset.org/search?q=RNA." title="RNA.">RNA.</a> </p> <a href="https://publications.waset.org/14119/protein-secondary-structure-prediction" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/14119/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/14119/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/14119/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/14119/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/14119/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/14119/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/14119/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/14119/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/14119/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/14119/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/14119.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">1389</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">2125</span> Secondary Organic Contribution to Particles Formed on the Ice Melted Arctic Ocean</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=Petri%20Vaattovaara">Petri Vaattovaara</a>, <a href="https://publications.waset.org/search?q=Zoran%20D.%20Ristovski"> Zoran D. Ristovski</a>, <a href="https://publications.waset.org/search?q=Martin%20Graus"> Martin Graus</a>, <a href="https://publications.waset.org/search?q=Marcus%20M%C3%BCller"> Marcus Müller</a>, <a href="https://publications.waset.org/search?q=EijaAsmi"> EijaAsmi</a>, <a href="https://publications.waset.org/search?q=Luca%20Di%20Liberto"> Luca Di Liberto</a>, <a href="https://publications.waset.org/search?q=StaffanSj%C3%B6gren"> StaffanSjögren</a>, <a href="https://publications.waset.org/search?q=Douglas%20Orsini"> Douglas Orsini</a>, <a href="https://publications.waset.org/search?q=Caroline%20Leck"> Caroline Leck</a>, <a href="https://publications.waset.org/search?q=Ari%20Laaksonen"> Ari Laaksonen</a> </p> <p class="card-text"><strong>Abstract:</strong></p> <p>Due to climate warming and consequently due to ice and snow melting of the Arctic Ocean, the highly biologically active ocean surface area has been expanding quickly making possible longer marine biota growth seasons during polar summers. That increase the probability of the remote marine environment secondary contribution, especially secondary organic contribution, to the particle production and particle growth events and particle properties, consequently effecting on the open ocean, pack ice and ground based regions radiation budget and thus on the feedbacks between arctic biota, particles, clouds, and climate.</p> <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Arctic%20Ocean" title="Arctic Ocean">Arctic Ocean</a>, <a href="https://publications.waset.org/search?q=ice%20melting" title=" ice melting"> ice melting</a>, <a href="https://publications.waset.org/search?q=nucleation" title=" nucleation"> nucleation</a>, <a href="https://publications.waset.org/search?q=secondary%20organics" title=" secondary organics"> secondary organics</a>, <a href="https://publications.waset.org/search?q=clouds" title=" clouds"> clouds</a>, <a href="https://publications.waset.org/search?q=climate." title=" climate."> climate.</a> </p> <a href="https://publications.waset.org/9998063/secondary-organic-contribution-to-particles-formed-on-the-ice-melted-arctic-ocean" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/9998063/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/9998063/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/9998063/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/9998063/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/9998063/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/9998063/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/9998063/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/9998063/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/9998063/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/9998063/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/9998063.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">1492</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">2124</span> A Metallography Study of Secondary A226 Aluminium Alloy Used in Automotive Industries</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=Lenka%20Hurtalov%C3%A1">Lenka Hurtalová</a>, <a href="https://publications.waset.org/search?q=Eva%20Tillov%C3%A1"> Eva Tillová</a>, <a href="https://publications.waset.org/search?q=M%C3%A1ria%20Chalupov%C3%A1"> Mária Chalupová</a>, <a href="https://publications.waset.org/search?q=Juraj%20Belan"> Juraj Belan</a>, <a href="https://publications.waset.org/search?q=Milan%20Uhr%C3%AD%C4%8Dik"> Milan Uhríčik</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The secondary alloy A226 is used for many automotive casting produced by mould casting and high pressure die casting. This alloy has excellent castability, good mechanical properties and cost-effectiveness. Production of primary aluminium alloys belong to heavy source fouling of life environs. The European Union calls for the emission reduction and reduction in energy consumption therefore increase production of recycled (secondary) aluminium cast alloys. The contribution is deal with influence of recycling on the quality of the casting made from A226 in automotive industry. The properties of the casting made from secondary aluminium alloys were compared with the required properties of primary aluminium alloys. The effect of recycling on microstructure was observed using combination different analytical techniques (light microscopy upon black-white etching, scanning electron microscopy - SEM upon deep etching and energy dispersive X-ray analysis - EDX). These techniques were used for the identification of the various structure parameters, which was used to compare secondary alloy microstructure with primary alloy microstructure. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=A226%20secondary%20aluminium%20alloy" title="A226 secondary aluminium alloy">A226 secondary aluminium alloy</a>, <a href="https://publications.waset.org/search?q=deep%20etching" title=" deep etching"> deep etching</a>, <a href="https://publications.waset.org/search?q=mechanical%20properties" title=" mechanical properties"> mechanical properties</a>, <a href="https://publications.waset.org/search?q=recycling%20foundry%20aluminium%20alloy." title=" recycling foundry aluminium alloy."> recycling foundry aluminium alloy.</a> </p> <a href="https://publications.waset.org/10001504/a-metallography-study-of-secondary-a226-aluminium-alloy-used-in-automotive-industries" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/10001504/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/10001504/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/10001504/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/10001504/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/10001504/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/10001504/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/10001504/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/10001504/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/10001504/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/10001504/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/10001504.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">3309</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">2123</span> M-Learning Curriculum Design for Secondary School: A Needs Analysis</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=Muhammad%20Ridhuan%20Tony%20Lim%20Abdullah">Muhammad Ridhuan Tony Lim Abdullah</a>, <a href="https://publications.waset.org/search?q=Saedah%20Siraj"> Saedah Siraj</a> </p> <p class="card-text"><strong>Abstract:</strong></p> <p>The learning society has currently transformed from 'wired society' to become 'mobile society' which is facilitated by wireless network. To suit to this new paradigm, m-learning was given birth and rapidly building its prospect to be included in the future curriculum. Research and studies on m-learning spruced up in numerous aspects but there is still scarcity in studies on curriculum design of m-learning. This study is a part of an ongoing bigger study probing into the m-learning curriculum for secondary schools. The paper reports on the first phase of the study which aims to probe into the needs of curriculum design for m-learning at the secondary school level and the researcher adopted the needs analysis method. Data accrued from responses on survey questionnaires based on Lickert-point scale were analyzed statistically. The findings from this preliminary study serve as a basis for m-learning curriculum development for secondary schools.</p> <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=curriculum%20design" title="curriculum design">curriculum design</a>, <a href="https://publications.waset.org/search?q=e-learning" title=" e-learning"> e-learning</a>, <a href="https://publications.waset.org/search?q=future%20curriculum" title=" future curriculum"> future curriculum</a>, <a href="https://publications.waset.org/search?q=m-learning" title="m-learning">m-learning</a> </p> <a href="https://publications.waset.org/10646/m-learning-curriculum-design-for-secondary-school-a-needs-analysis" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/10646/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/10646/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/10646/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/10646/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/10646/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/10646/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/10646/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/10646/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/10646/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/10646/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/10646.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">2645</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">2122</span> Numerical Studies on Thrust Vectoring Using Shock Induced Supersonic Secondary Jet</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=Jerin%20John">Jerin John</a>, <a href="https://publications.waset.org/search?q=Subanesh%20Shyam%20R."> Subanesh Shyam R.</a>, <a href="https://publications.waset.org/search?q=Aravind%20Kumar%20T.%20R."> Aravind Kumar T. R.</a>, <a href="https://publications.waset.org/search?q=Naveen%20N."> Naveen N.</a>, <a href="https://publications.waset.org/search?q=Vignesh%20R."> Vignesh R.</a>, <a href="https://publications.waset.org/search?q=Krishna%20Ganesh%20B"> Krishna Ganesh B</a>, <a href="https://publications.waset.org/search?q=Sanal%20Kumar%20V.%20R."> Sanal Kumar V. R.</a> </p> <p class="card-text"><strong>Abstract:</strong></p> <p>Numerical studies have been carried out using a validated two-dimensional RNG k-epsilon turbulence model for the design optimization of a thrust vector control system using shock induced supersonic secondary jet. Parametric analytical studies have been carried out with various secondary jets at different divergent locations, jet interaction angles, jet pressures. The results from the parametric studies of the case on hand reveal that the primary nozzle with a small divergence angle, downstream injections with a distance of 2.5 times the primary nozzle throat diameter from the primary nozzle throat location warrant higher efficiency over a certain range of jet pressures and jet angles. We observed that the supersonic secondary jet opposing the core flow with jets interaction angle of 40o to the axis far downstream of the nozzle throat facilitates better thrust vectoring than the secondary jet with same direction as that of core flow with various interaction angles. We concluded that fixing of the supersonic secondary jet nozzle pointing towards the throat direction with suitable angle at a distance 2 to 4 times of the primary nozzle throat diameter, as the case may be, from the primary nozzle throat location could facilitate better thrust vectoring for the supersonic aerospace vehicles.</p> <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Fluidic%20thrust%20vectoring" title="Fluidic thrust vectoring">Fluidic thrust vectoring</a>, <a href="https://publications.waset.org/search?q=rocket%20steering" title=" rocket steering"> rocket steering</a>, <a href="https://publications.waset.org/search?q=supersonic%0D%0Asecondary%20jet%20location" title=" supersonic secondary jet location"> supersonic secondary jet location</a>, <a href="https://publications.waset.org/search?q=TVC%20in%20spacecraft." title=" TVC in spacecraft."> TVC in spacecraft.</a> </p> <a href="https://publications.waset.org/16212/numerical-studies-on-thrust-vectoring-using-shock-induced-supersonic-secondary-jet" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/16212/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/16212/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/16212/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/16212/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/16212/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/16212/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/16212/mla" target="_blank" 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