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Silva</title> <meta name="description" content="Search results for: Carlos Silva"> <meta name="keywords" content="Carlos Silva"> <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 class="d-block d-lg-none navbar-toggler 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class="input-group"> <i class="fas fa-search"></i> <input type="text" class="search-query" name="q" placeholder="Author, Title, Abstract, Keywords" value="Carlos Silva"> <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> 194</div> </div> </div> </div> <h1 class="mt-3 mb-3 text-center" style="font-size:1.6rem;">Search results for: Carlos Silva</h1> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">194</span> eLearning for Electric Distribution Planning Engineers</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=Isaias%20Ramirez">Isaias Ramirez</a>, <a href="https://publications.waset.org/search?q=Jose%20Luis%20Silva"> Jose Luis Silva</a>, <a href="https://publications.waset.org/search?q=Carlos%20Gonzalez"> Carlos Gonzalez</a>, <a href="https://publications.waset.org/search?q=Gustavo%20Candelaria"> Gustavo Candelaria</a>, <a href="https://publications.waset.org/search?q=Jose%20Pepe%20Rasgado"> Jose Pepe Rasgado</a>, <a href="https://publications.waset.org/search?q=Carlos%20Carrillo"> Carlos Carrillo</a> </p> <p class="card-text"><strong>Abstract:</strong></p> <p>This paper presents the experience in an eLearning training project that is being implemented for electrical planning engineers from the national Mexican utility Comision Federal de Electricidad (CFE) Distribution. This modality is implemented and will be used in the utility for training purposes to help personnel in their daily technical activities. One important advantage of this training project is that once it is implemented and applied, financial resources will be saved by CFE Distribution Company because online training will be used in all the country; the infrastructure for the eLearning training will be uploaded in computational servers installed in the National CFE Distribution Training Department, in Ciudad de Mexico, and can be used in workplaces of 16 Distribution Divisions and 150 Zones of CFE Distribution. In this way, workers will not need to travel to the National Training Department, saving enormous efforts, financial, and human resources.</p> <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Moodle" title="Moodle">Moodle</a>, <a href="https://publications.waset.org/search?q=eLearning" title=" eLearning"> eLearning</a>, <a href="https://publications.waset.org/search?q=corporate%20training" title=" corporate training"> corporate training</a>, <a href="https://publications.waset.org/search?q=electrical%20planning%20engineer." title=" electrical planning engineer."> electrical planning engineer.</a> </p> <a href="https://publications.waset.org/10012504/elearning-for-electric-distribution-planning-engineers" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/10012504/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/10012504/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/10012504/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/10012504/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/10012504/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/10012504/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/10012504/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/10012504/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/10012504/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/10012504/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/10012504.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">464</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">193</span> Jatropha curcas L. Oil Selectivity in Froth Flotation</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=Andr%C3%A9%20C.%20Silva">André C. Silva</a>, <a href="https://publications.waset.org/search?q=Izabela%20L.%20A.%20Moraes"> Izabela L. A. Moraes</a>, <a href="https://publications.waset.org/search?q=Elenice%20M.%20S.%20Silva"> Elenice M. S. Silva</a>, <a href="https://publications.waset.org/search?q=Carlos%20M.%20Silva%20Filho"> Carlos M. Silva Filho</a> </p> <p class="card-text"><strong>Abstract:</strong></p> <p>In Brazil, most soils are acidic and low in essential nutrients required for the growth and development of plants, making fertilizers essential for agriculture. As the biggest producer of soy in the world and a major producer of coffee, sugar cane and citrus fruits, Brazil is a large consumer of phosphate. Brazilian’s phosphate ores are predominantly from igneous rocks showing a complex mineralogy, associated with carbonites and oxides, typically iron, silicon and barium. The adopted industrial concentration circuit for this type of ore is a mix between magnetic separation (both low and high field) to remove the magnetic fraction and a froth flotation circuit composed by a reverse flotation of apatite (barite’s flotation) followed by direct flotation circuit (rougher, cleaner and scavenger circuit). Since the 70’s fatty acids obtained from vegetable oils are widely used as lower-cost collectors in apatite froth flotation. This is a very effective approach to the apatite family of minerals, being that this type of collector is both selective and efficient (high recovery). This paper presents <em>Jatropha curcas</em> <em>L.</em> oil (JCO) as a renewable and sustainable source of fatty acids with high selectivity in froth flotation of apatite. JCO is considerably rich in fatty acids such as linoleic, oleic and palmitic acid. The experimental campaign involved 216 tests using a modified Hallimond tube and two different minerals (apatite and quartz). In order to be used as a collector, the oil was saponified. The results found were compared with the synthetic collector, Fotigam 5806 produced by Clariant, which is composed mainly by soy oil. JCO showed the highest selectivity for apatite flotation with cold saponification at pH 8 and concentration of 2.5 mg/L. In this case, the mineral recovery was around 95%.</p> <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Froth%20flotation" title="Froth flotation">Froth flotation</a>, <a href="https://publications.waset.org/search?q=Jatropha%20curcas%20L." title=" Jatropha curcas L."> Jatropha curcas L.</a>, <a href="https://publications.waset.org/search?q=microflotation" title=" microflotation"> microflotation</a>, <a href="https://publications.waset.org/search?q=selectivity." title=" selectivity."> selectivity.</a> </p> <a href="https://publications.waset.org/10005532/jatropha-curcas-l-oil-selectivity-in-froth-flotation" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/10005532/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/10005532/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/10005532/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/10005532/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/10005532/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/10005532/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/10005532/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/10005532/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/10005532/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/10005532/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/10005532.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">1142</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">192</span> Particle Swarm Optimization and Quantum Particle Swarm Optimization to Multidimensional Function Approximation</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=Diogo%20Silva">Diogo Silva</a>, <a href="https://publications.waset.org/search?q=Fadul%20Rodor"> Fadul Rodor</a>, <a href="https://publications.waset.org/search?q=Carlos%20Moraes"> Carlos Moraes</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This work compares the results of multidimensional function approximation using two algorithms: the classical Particle Swarm Optimization (PSO) and the Quantum Particle Swarm Optimization (QPSO). These algorithms were both tested on three functions - The Rosenbrock, the Rastrigin, and the sphere functions - with different characteristics by increasing their number of dimensions. As a result, this study shows that the higher the function space, i.e. the larger the function dimension, the more evident the advantages of using the QPSO method compared to the PSO method in terms of performance and number of necessary iterations to reach the stop criterion. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=PSO" title="PSO">PSO</a>, <a href="https://publications.waset.org/search?q=QPSO" title=" QPSO"> QPSO</a>, <a href="https://publications.waset.org/search?q=function%20approximation" title=" function approximation"> function approximation</a>, <a href="https://publications.waset.org/search?q=AI" title=" AI"> AI</a>, <a href="https://publications.waset.org/search?q=optimization" title=" optimization"> optimization</a>, <a href="https://publications.waset.org/search?q=multidimensional%20functions." title=" multidimensional functions."> multidimensional functions.</a> </p> <a href="https://publications.waset.org/10008997/particle-swarm-optimization-and-quantum-particle-swarm-optimization-to-multidimensional-function-approximation" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/10008997/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/10008997/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/10008997/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/10008997/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/10008997/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/10008997/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/10008997/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/10008997/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/10008997/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/10008997/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/10008997.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">978</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">191</span> Social Marketing and Nonprofit Organizations</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=Marconi%20Freitas-da-Costa">Marconi Freitas-da-Costa</a>, <a href="https://publications.waset.org/search?q=Watsan%20C.%20Silva"> Watsan C. Silva</a>, <a href="https://publications.waset.org/search?q=Tha%C3%ADs%20S.%20Paula"> Thaís S. Paula</a>, <a href="https://publications.waset.org/search?q=D%C3%A9bora%20O.%20Silva"> Débora O. Silva</a>, <a href="https://publications.waset.org/search?q=Maria%20G.%20Vieira"> Maria G. Vieira</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Today the social marketing was constituted as a tool of significant value in what he refers to the promotion of changes of behaviors, attitudes end practices. With the objective of analyzing the benefits that the social marketing can bring for the organizations that use it the research was of the exploratory and descriptive. In the present study the comparative method was used, through a qualitative approach, to analyze the activities developed by three institutions: the Recovery Center Rosa de Saron, the House of Recovery for addicts and Teen Challenge Institute Children's Cancer of the Wasteland (ICIA), kindred of pointing out the benefits of the social marketing in organizations that don-t seek the profit. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Social%20marketing" title="Social marketing">Social marketing</a>, <a href="https://publications.waset.org/search?q=organizations%20of%20the%20third%20section" title=" organizations of the third section"> organizations of the third section</a>, <a href="https://publications.waset.org/search?q=social%20changes" title=" social changes"> social changes</a> </p> <a href="https://publications.waset.org/6105/social-marketing-and-nonprofit-organizations" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/6105/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/6105/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/6105/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/6105/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/6105/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/6105/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/6105/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/6105/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/6105/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/6105/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/6105.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">2265</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">190</span> Improved Neutron Leakage Treatment on Nodal Expansion Method for PWR Reactors</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=Antonio%20Carlos%20Marques%20Alvim">Antonio Carlos Marques Alvim</a>, <a href="https://publications.waset.org/search?q=Fernando%20Carvalho%20da%20Silva"> Fernando Carvalho da Silva</a>, <a href="https://publications.waset.org/search?q=Aquilino%20Senra%20Martinez"> Aquilino Senra Martinez</a> </p> <p class="card-text"><strong>Abstract:</strong></p> For a quick and accurate calculation of spatial neutron distribution in nuclear power reactors 3D nodal codes are usually used aiming at solving the neutron diffusion equation for a given reactor core geometry and material composition. These codes use a second order polynomial to represent the transverse leakage term. In this work, a nodal method based on the well known nodal expansion method (NEM), developed at COPPE, making use of this polynomial expansion was modified to treat the transverse leakage term for the external surfaces of peripheral reflector nodes. The proposed method was implemented into a computational system which, besides solving the diffusion equation, also solves the burnup equations governing the gradual changes in material compositions of the core due to fuel depletion. Results confirm the effectiveness of this modified treatment of peripheral nodes for practical purposes in PWR reactors. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Transverse%20leakage" title="Transverse leakage">Transverse leakage</a>, <a href="https://publications.waset.org/search?q=nodal%20expansion%20method" title=" nodal expansion method"> nodal expansion method</a>, <a href="https://publications.waset.org/search?q=power%0Adensity" title=" power density"> power density</a>, <a href="https://publications.waset.org/search?q=PWR%20reactors" title=" PWR reactors"> PWR reactors</a> </p> <a href="https://publications.waset.org/12424/improved-neutron-leakage-treatment-on-nodal-expansion-method-for-pwr-reactors" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/12424/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/12424/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/12424/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/12424/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/12424/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/12424/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/12424/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/12424/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/12424/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/12424/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/12424.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">2040</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">189</span> Eco-Design of Multifunctional System Based on a Shape Memory Polymer and ZnO Nanoparticles for Sportswear</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=In%C3%AAs%20Boticas">Inês Boticas</a>, <a href="https://publications.waset.org/search?q=Diana%20P.%20Ferreira"> Diana P. Ferreira</a>, <a href="https://publications.waset.org/search?q=Ana%20Eus%C3%A9bio"> Ana Eusébio</a>, <a href="https://publications.waset.org/search?q=Carlos%20Silva"> Carlos Silva</a>, <a href="https://publications.waset.org/search?q=Pedro%20Magalh%C3%A3es"> Pedro Magalhães</a>, <a href="https://publications.waset.org/search?q=Ricardo%20Silva"> Ricardo Silva</a>, <a href="https://publications.waset.org/search?q=Raul%20Fangueiro"> Raul Fangueiro</a> </p> <p class="card-text"><strong>Abstract:</strong></p> <p>Since the beginning of the 20<sup>th</sup> century, sportswear has a major contribution to the impact of fashion on our lives. Nowadays, the embracing of sportswear fashion/looks is undoubtedly noticeable, as the modern consumer searches for high comfort and linear aesthetics for its clothes. This compromise lead to the arise of the athleisure trend. Athleisure surges as a new style area that combines both wearability and fashion sense, differentiated from the archetypal sportswear, usually associated to “gym clothes”. Additionally, the possibility to functionalize and implement new technologies have shifted and progressively empowers the connection between the concepts of physical activities practice and well-being, allowing clothing to be more interactive and responsive with its surroundings. In this study, a design inspired in retro and urban lifestyle was envisioned, engineering textile structures that can respond to external stimuli. These structures are enhanced to be responsive to heat, water vapor and humidity, integrating shape memory polymers (SMP) to improve the breathability and heat-responsive behavior of the textiles and zinc oxide nanoparticles (ZnO NPs) to heighten the surface hydrophobic properties. The best results for hydrophobic exhibited superhydrophobic behavior with water contact angle (WAC) of more than 150 degrees. For the breathability and heat-response properties, SMP-coated samples showed an increase in water vapour permeability values of about 50% when compared with non SMP-coated samples. These innovative technological approaches were endorsed to design innovative clothing, in line with circular economy and eco-design principles, by assigning a substantial degree of mutability and versatility to the clothing. The development of a coat and shirt, in which different parts can be purchased separately to create multiple products, aims to combine the technicality of both the fabrics used and the making of the garments. This concept translates itself into a real constructive mechanism through the symbiosis of high-tech functionalities and the timeless design that follows the athleisure aesthetics.</p> <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Breathability" title="Breathability">Breathability</a>, <a href="https://publications.waset.org/search?q=sportswear%20and%20casual%20clothing" title=" sportswear and casual clothing"> sportswear and casual clothing</a>, <a href="https://publications.waset.org/search?q=sustainable%20design" title=" sustainable design"> sustainable design</a>, <a href="https://publications.waset.org/search?q=superhydrophobicity." title=" superhydrophobicity."> superhydrophobicity.</a> </p> <a href="https://publications.waset.org/10011257/eco-design-of-multifunctional-system-based-on-a-shape-memory-polymer-and-zno-nanoparticles-for-sportswear" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/10011257/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/10011257/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/10011257/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/10011257/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/10011257/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/10011257/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/10011257/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/10011257/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/10011257/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/10011257/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/10011257.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">1082</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">188</span> Non-Invasive Technology on a Classroom Chair for Detection of Emotions Used for the Personalization of Learning Resources</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=Carlos%20Ramirez">Carlos Ramirez</a>, <a href="https://publications.waset.org/search?q=Carlos%20Concha"> Carlos Concha</a>, <a href="https://publications.waset.org/search?q=Benjamin%20Valdes"> Benjamin Valdes</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Emotions are related with learning processes and physiological signals can be used to detect them for the personalization of learning resources and to control the pace of instruction. A model of relevant emotions has been developed, where specific combinations of emotions and cognition processes are connected and integrated with the concept of 'flow', in order to improve learning. The cardiac pulse is a reliable signal that carries useful information about the subject-s emotional condition; it is detected using a classroom chair adapted with non invasive EMFi sensor and an acquisition system that generates a ballistocardiogram (BCG), the signal is processed by an algorithm to obtain characteristics that match a specific emotional condition. The complete chair system is presented in this work, along with a framework for the personalization of learning resources. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Ballistocardiogram" title="Ballistocardiogram">Ballistocardiogram</a>, <a href="https://publications.waset.org/search?q=emotions%20in%20learning" title=" emotions in learning"> emotions in learning</a>, <a href="https://publications.waset.org/search?q=noninvasive%20sensors" title=" noninvasive sensors"> noninvasive sensors</a>, <a href="https://publications.waset.org/search?q=personalization%20of%20learning%20resources." title=" personalization of learning resources."> personalization of learning resources.</a> </p> <a href="https://publications.waset.org/12756/non-invasive-technology-on-a-classroom-chair-for-detection-of-emotions-used-for-the-personalization-of-learning-resources" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/12756/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/12756/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/12756/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/12756/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/12756/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/12756/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/12756/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/12756/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/12756/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/12756/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/12756.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">1663</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">187</span> Modeling Bessel Beams and Their Discrete Superpositions from the Generalized Lorenz-Mie Theory to Calculate Optical Forces over Spherical Dielectric Particles</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=Leonardo%20A.%20Ambrosio">Leonardo A. Ambrosio</a>, <a href="https://publications.waset.org/search?q=Carlos.%20H.%20Silva%20Santos"> Carlos. H. Silva Santos</a>, <a href="https://publications.waset.org/search?q=Ivan%20E.%20L.%20Rodrigues"> Ivan E. L. Rodrigues</a>, <a href="https://publications.waset.org/search?q=Ayumi%20K.%20de%20Campos"> Ayumi K. de Campos</a>, <a href="https://publications.waset.org/search?q=Leandro%20A.%20Machado"> Leandro A. Machado</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this work, we propose an algorithm developed under Python language for the modeling of ordinary scalar Bessel beams and their discrete superpositions and subsequent calculation of optical forces exerted over dielectric spherical particles. The mathematical formalism, based on the generalized Lorenz-Mie theory, is implemented in Python for its large number of free mathematical (as SciPy and NumPy), data visualization (Matplotlib and PyJamas) and multiprocessing libraries. We also propose an approach, provided by a synchronized Software as Service (SaaS) in cloud computing, to develop a user interface embedded on a mobile application, thus providing users with the necessary means to easily introduce desired unknowns and parameters and see the graphical outcomes of the simulations right at their mobile devices. Initially proposed as a free Android-based application, such an App enables data post-processing in cloud-based architectures and visualization of results, figures and numerical tables. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Bessel%20Beams%20and%20Frozen%20Waves" title="Bessel Beams and Frozen Waves">Bessel Beams and Frozen Waves</a>, <a href="https://publications.waset.org/search?q=Generalized%20Lorenz-Mie%20Theory" title=" Generalized Lorenz-Mie Theory"> Generalized Lorenz-Mie Theory</a>, <a href="https://publications.waset.org/search?q=Numerical%20Methods" title=" Numerical Methods"> Numerical Methods</a>, <a href="https://publications.waset.org/search?q=Optical%20Forces." title=" Optical Forces. "> Optical Forces. </a> </p> <a href="https://publications.waset.org/10003600/modeling-bessel-beams-and-their-discrete-superpositions-from-the-generalized-lorenz-mie-theory-to-calculate-optical-forces-over-spherical-dielectric-particles" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/10003600/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/10003600/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/10003600/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/10003600/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/10003600/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/10003600/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/10003600/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/10003600/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/10003600/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/10003600/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/10003600.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">2131</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">186</span> Computer Vision Applied to Flower, Fruit and Vegetable Processing</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=Luis%20Gracia">Luis Gracia</a>, <a href="https://publications.waset.org/search?q=Carlos%20Perez-Vidal"> Carlos Perez-Vidal</a>, <a href="https://publications.waset.org/search?q=Carlos%20Gracia"> Carlos Gracia</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper presents the theoretical background and the real implementation of an automated computer system to introduce machine vision in flower, fruit and vegetable processing for recollection, cutting, packaging, classification, or fumigation tasks. The considerations and implementation issues presented in this work can be applied to a wide range of varieties of flowers, fruits and vegetables, although some of them are especially relevant due to the great amount of units that are manipulated and processed each year over the world. The computer vision algorithms developed in this work are shown in detail, and can be easily extended to other applications. A special attention is given to the electromagnetic compatibility in order to avoid noisy images. Furthermore, real experimentation has been carried out in order to validate the developed application. In particular, the tests show that the method has good robustness and high success percentage in the object characterization. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Image%20processing" title="Image processing">Image processing</a>, <a href="https://publications.waset.org/search?q=Vision%20system" title=" Vision system"> Vision system</a>, <a href="https://publications.waset.org/search?q=Automation" title=" Automation"> Automation</a> </p> <a href="https://publications.waset.org/10453/computer-vision-applied-to-flower-fruit-and-vegetable-processing" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/10453/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/10453/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/10453/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/10453/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/10453/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/10453/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/10453/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/10453/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/10453/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/10453/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/10453.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">3323</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">185</span> Human Resources Management Practices in Hospitality Companies</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=Dora%20Martins">Dora Martins</a>, <a href="https://publications.waset.org/search?q=Susana%20Silva"> Susana Silva</a>, <a href="https://publications.waset.org/search?q=C%C3%A2ndida%20Silva"> Cândida Silva</a> </p> <p class="card-text"><strong>Abstract:</strong></p> <p>Human Resources Management (HRM) has been recognized by academics and practitioners as an important element in organizations. Therefore, this paper explores the best practices of HRM and seeks to understand the level of participation in the development of these practices by human resources managers in the hospitality industry and compare it with other industries. Thus, the study compared the HRM practices of companies in the hospitality sector with HRM practices of companies in other sectors, and identifies the main differences between their HRM practices. The results show that the most frequent HRM practices in all companies, independently of its sector of activity, are hiring and training. When comparing hospitality sector with other sectors of activity, some differences were noticed, namely in the adoption of the practices of communication and information sharing, and of recruitment and selection. According to these results, the paper discusses the major theoretical and practical implications. Suggestions for future research are also presented.</p> <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Human%20resources%20management%20practices" title="Human resources management practices">Human resources management practices</a>, <a href="https://publications.waset.org/search?q=human%20resources%20manager" title=" human resources manager"> human resources manager</a>, <a href="https://publications.waset.org/search?q=hospitality%20companies" title=" hospitality companies"> hospitality companies</a>, <a href="https://publications.waset.org/search?q=Portuguese%20companies" title=" Portuguese companies"> Portuguese companies</a>, <a href="https://publications.waset.org/search?q=exploratory%20study." title=" exploratory study. "> exploratory study. </a> </p> <a href="https://publications.waset.org/10008093/human-resources-management-practices-in-hospitality-companies" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/10008093/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/10008093/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/10008093/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/10008093/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/10008093/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/10008093/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/10008093/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/10008093/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/10008093/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/10008093/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/10008093.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">3444</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">184</span> Analysis of the Performance of a Solar Water Heating System with Flat Collector</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=Aurea%20L%C3%BAcia%20Georgi%20Vendramin">Aurea Lúcia Georgi Vendramin</a>, <a href="https://publications.waset.org/search?q=Carlos%20Itsuo%20Yamamoto"> Carlos Itsuo Yamamoto</a>, <a href="https://publications.waset.org/search?q=Carlos%20Eduardo%20Camargo%20Nogueira"> Carlos Eduardo Camargo Nogueira</a>, <a href="https://publications.waset.org/search?q=Anderson%20Miguel%20Lenz"> Anderson Miguel Lenz</a>, <a href="https://publications.waset.org/search?q=Samuel%20N.%20Souza%20Melegari"> Samuel N. Souza Melegari</a> </p> <p class="card-text"><strong>Abstract:</strong></p> <p>The thermal performance of a solar water heating with 1.00 m2 flat plate collectors in Cascavel - PR, is which presented in this article, paper presents the solution to leverage the marketing of solar heating systems through detailed constituent materials of the solar collector studies, these abundant materials in construction, such as expanded polyethylene, PVC, aluminum and glass tubes, mixing them with new materials to minimize loss of efficiency while decreasing its cost. The system was tested during months and the collector obtained maximum recorded temperature of outlet fluid of 55°C, while the maximum temperature of the water at the bottom of the hot water tank was 35°C. The average daily energy collected was 19.6 MJ/d; the energy supplied by the solar plate was 16.2 MJ/d; the loss in the feed pipe was 3.2 MJ/d; the solar fraction was 32.2%, the efficiency of the collector was 45.6% and the efficiency of the system was 37.8%.</p> <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Recycled%20materials" title="Recycled materials">Recycled materials</a>, <a href="https://publications.waset.org/search?q=energy%20efficiency" title=" energy efficiency"> energy efficiency</a>, <a href="https://publications.waset.org/search?q=solar%0D%0Acollector." title=" solar collector."> solar collector.</a> </p> <a href="https://publications.waset.org/10001264/analysis-of-the-performance-of-a-solar-water-heating-system-with-flat-collector" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/10001264/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/10001264/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/10001264/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/10001264/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/10001264/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/10001264/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/10001264/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/10001264/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/10001264/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/10001264/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/10001264.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">3015</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">183</span> Mapping Soil Fertility at Different Scales to Support Sustainable Brazilian Agriculture</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=Rachel%20Bardy%20Prado">Rachel Bardy Prado</a>, <a href="https://publications.waset.org/search?q=Vin%C3%ADcius%20de%20Melo%20Benites"> Vinícius de Melo Benites</a>, <a href="https://publications.waset.org/search?q=Jos%C3%A9%20Carlos%20Polidoro"> José Carlos Polidoro</a>, <a href="https://publications.waset.org/search?q=Carlos%20Eduardo%20Gon%C3%A7alves"> Carlos Eduardo Gonçalves</a>, <a href="https://publications.waset.org/search?q=Alexey%20Naumov"> Alexey Naumov</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Most agricultural crops cultivated in Brazil are highly nutrient demanding. Brazilian soils are generally acidic with low base saturation and available nutrients. Demand for fertilizer application has increased because the national agricultural sector expansion. To improve productivity without environmental impact, there is the need for the utilization of novel procedures and techniques to optimize fertilizer application. This includes the digital soil mapping and GIS application applied to mapping in different scales. This paper is based on research, realized during 2005 to 2010 by Brazilian Corporation for Agricultural Research (EMBRAPA) and its partners. The purpose was to map soil fertility in national and regional scales. A soil profile data set in national scale (1:5,000,000) was constructed from the soil archives of Embrapa Soils, Rio de Janeiro and in the regional scale (1:250,000) from COMIGO Cooperative soil data set, Rio Verde, Brazil. The mapping was doing using ArcGIS 9.1 tools from ESRI. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=agricultural%20sustainability" title="agricultural sustainability">agricultural sustainability</a>, <a href="https://publications.waset.org/search?q=fertilizer%20optimization" title=" fertilizer optimization"> fertilizer optimization</a>, <a href="https://publications.waset.org/search?q=GIS" title=" GIS"> GIS</a>, <a href="https://publications.waset.org/search?q=soil%20attributes." title=" soil attributes."> soil attributes.</a> </p> <a href="https://publications.waset.org/11111/mapping-soil-fertility-at-different-scales-to-support-sustainable-brazilian-agriculture" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/11111/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/11111/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/11111/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/11111/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/11111/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/11111/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/11111/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/11111/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/11111/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/11111/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/11111.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">2618</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">182</span> Advantages of Vibration in the GMAW Process for Improving the Quality and Mechanical Properties</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=C.%20A.%20C.%20Castro">C. A. C. Castro</a>, <a href="https://publications.waset.org/search?q=D.%20C.%20Urashima"> D. C. Urashima</a>, <a href="https://publications.waset.org/search?q=E.%20P.%20Silva"> E. P. Silva</a>, <a href="https://publications.waset.org/search?q=P.%20M.%20L.Silva"> P. M. L.Silva</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Since 1920, the industry has almost completely changed the rivets production techniques for the manufacture of permanent welding join production of structures and manufacture of other products. The welding arc is the process more widely used in industries. This is accomplished by the heat of an electric arc which melts the base metal while the molten metal droplets are transferred through the arc to the welding pool, protected from the atmosphere by a gas curtain. The GMAW (Gas metal arc welding) process is influenced by variables such as: current, polarity, welding speed, electrode: extension, position, moving direction; type of joint, welder's ability, among others. It is remarkable that the knowledge and control of these variables are essential for obtaining satisfactory quality welds, knowing that are interconnected so that changes in one of them requiring changes in one or more of the other to produce the desired results. The optimum values are affected by the type of base metal, the electrode composition, the welding position and the quality requirements. Thus, this paper proposes a new methodology, adding the variable vibration through a mechanism developed for GMAW welding, in order to improve the mechanical and metallurgical properties which does not affect the ability of the welder and enables repeatability of the welds made. For confirmation metallographic analysis and mechanical tests were made. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=HAZ" title="HAZ">HAZ</a>, <a href="https://publications.waset.org/search?q=GMAW" title=" GMAW"> GMAW</a>, <a href="https://publications.waset.org/search?q=vibration" title=" vibration"> vibration</a>, <a href="https://publications.waset.org/search?q=welding." title=" welding."> welding.</a> </p> <a href="https://publications.waset.org/10001970/advantages-of-vibration-in-the-gmaw-process-for-improving-the-quality-and-mechanical-properties" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/10001970/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/10001970/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/10001970/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/10001970/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/10001970/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/10001970/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/10001970/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/10001970/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/10001970/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/10001970/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/10001970.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">1808</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">181</span> Limestone Briquette Production and Characterization</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=Andr%C3%A9%20C.%20Silva">André C. Silva</a>, <a href="https://publications.waset.org/search?q=Mariana%20R.%20Barros"> Mariana R. Barros</a>, <a href="https://publications.waset.org/search?q=Elenice%20M.%20S.%20Silva"> Elenice M. S. Silva</a>, <a href="https://publications.waset.org/search?q=Douglas.%20Y.%20Marinho"> Douglas. Y. Marinho</a>, <a href="https://publications.waset.org/search?q=Diego%20F.%20Lopes"> Diego F. Lopes</a>, <a href="https://publications.waset.org/search?q=D%C3%A9bora%20N.%20Sousa"> Débora N. Sousa</a>, <a href="https://publications.waset.org/search?q=Raphael%20S.%20Tom%C3%A1z"> Raphael S. Tomáz</a> </p> <p class="card-text"><strong>Abstract:</strong></p> <p>Modern agriculture requires productivity, efficiency and quality. Therefore, there is need for agricultural limestone implementation that provides adequate amounts of calcium and magnesium carbonates in order to correct soil acidity. During the limestone process, fine particles (with average size under 400#) are generated. These particles do not have economic value in agricultural and metallurgical sectors due their size. When limestone is used for agriculture purposes, these fine particles can be easily transported by wind generated air pollution. Therefore, briquetting, a mineral processing technique, was used to mitigate this problem resulting in an agglomerated product suitable for agriculture use. Briquetting uses compressive pressure to agglomerate fine particles. It can be aided by agglutination agents, allowing adjustments in shape, size and mechanical parameters of the mass. Briquettes can generate extra profits for mineral industry, presenting as a distinct product for agriculture, and can reduce the environmental liabilities of the fine particles storage or disposition. The produced limestone briquettes were subjected to shatter and water action resistance tests. The results show that after six minutes completely submerged in water, the briquettes where fully diluted, a highly favorable result considering its use for soil acidity correction.</p> <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Agglomeration" title="Agglomeration">Agglomeration</a>, <a href="https://publications.waset.org/search?q=briquetting" title=" briquetting"> briquetting</a>, <a href="https://publications.waset.org/search?q=limestone" title=" limestone"> limestone</a>, <a href="https://publications.waset.org/search?q=agriculture." title=" agriculture."> agriculture.</a> </p> <a href="https://publications.waset.org/10005761/limestone-briquette-production-and-characterization" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/10005761/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/10005761/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/10005761/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/10005761/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/10005761/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/10005761/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/10005761/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/10005761/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/10005761/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/10005761/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/10005761.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">1599</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">180</span> Optimal Consume of NaOH in Starches Gelatinization for Froth Flotation</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=Andr%C3%A9%20C.%20Silva">André C. Silva</a>, <a href="https://publications.waset.org/search?q=D%C3%A9bora%20N.%20Sousa"> Débora N. Sousa</a>, <a href="https://publications.waset.org/search?q=Elenice%20M.%20S.%20Silva"> Elenice M. S. Silva</a>, <a href="https://publications.waset.org/search?q=Thales%20P.%20Fontes"> Thales P. Fontes</a>, <a href="https://publications.waset.org/search?q=Raphael%20S.%20Tomaz"> Raphael S. Tomaz</a> </p> <p class="card-text"><strong>Abstract:</strong></p> <p>Starches are widely used as depressant in froth flotation operations in Brazil due to their efficiency, increasing the selectivity in the inverse flotation of quartz depressing iron ore. Starches market have been growing and improving in recent years, leading to better products attending the requirements of the mineral industry. The major source of starch used for iron ore is corn starch, which needs to be gelatinized with sodium hydroxide (NaOH) prior to use. This stage has a direct impact on industrials costs, once the lowest consumption of NaOH in gelatinization provides better control of the pH in the froth flotation and reduces the amount of electrolytes present in the pulp. In order to evaluate the gelatinization degree of different starches and flour were subjected to the addiction of NaOH and temperature variation experiments. Samples of starch (corn, cassava, HIPIX 100, HIPIX 101 and HIPIX 102 commercialized by Ingredion) and flour (cassava and potato) were tested. The starch samples were characterized through Scanning Electronic Microscopy and the amylose content were determined through spectrometry, swelling and solubility tests. The gelatinization was carried out through titration with NaOH, keeping the solution temperature constant at 40 <sup>o</sup>C. At the end of the tests, the optimal amount of NaOH consumed to gelatinize the starch or flour from different botanical sources was established and a correlation between the content of amylopectin in the starch and the starch/NaOH ratio needed for its gelatinization.</p> <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Froth%20flotation" title="Froth flotation">Froth flotation</a>, <a href="https://publications.waset.org/search?q=gelatinization" title=" gelatinization"> gelatinization</a>, <a href="https://publications.waset.org/search?q=sodium%20hydroxide" title=" sodium hydroxide"> sodium hydroxide</a>, <a href="https://publications.waset.org/search?q=starches%20and%20flours." title=" starches and flours. "> starches and flours. </a> </p> <a href="https://publications.waset.org/10005681/optimal-consume-of-naoh-in-starches-gelatinization-for-froth-flotation" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/10005681/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/10005681/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/10005681/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/10005681/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/10005681/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/10005681/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/10005681/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/10005681/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/10005681/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/10005681/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/10005681.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">1929</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">179</span> Experimental Investigation of Hydrogen Addition in the Intake Air of Compressed Engines Running on Biodiesel Blend</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=Hendrick%20Maxil%20Z%C3%A1rate%20Rocha">Hendrick Maxil Zárate Rocha</a>, <a href="https://publications.waset.org/search?q=Ricardo%20da%20Silva%20Pereira"> Ricardo da Silva Pereira</a>, <a href="https://publications.waset.org/search?q=Manoel%20Fernandes%20Martins%20Nogueira"> Manoel Fernandes Martins Nogueira</a>, <a href="https://publications.waset.org/search?q=Carlos%20R.%20Pereira%20Belchior"> Carlos R. Pereira Belchior</a>, <a href="https://publications.waset.org/search?q=Maria%20Emilia%20de%20Lima%20Tostes"> Maria Emilia de Lima Tostes</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This study investigates experimentally the effects of hydrogen addition in the intake manifold of a diesel generator operating with a 7% biodiesel-diesel oil blend (B7). An experimental apparatus setup was used to conduct performance and emissions tests in a single cylinder, air cooled diesel engine. This setup consisted of a generator set connected to a wirewound resistor load bank that was used to vary engine load. In addition, a flowmeter was used to determine hydrogen volumetric flowrate and a digital anemometer coupled with an air box to measure air flowrate. Furthermore, a digital precision electronic scale was used to measure engine fuel consumption and a gas analyzer was used to determine exhaust gas composition and exhaust gas temperature. A thermopar was installed near the exhaust collection to measure cylinder temperature. In-cylinder pressure was measured using an AVL Indumicro data acquisition system with a piezoelectric pressure sensor. An AVL optical encoder was installed in the crankshaft and synchronized with in-cylinder pressure in real time. The experimental procedure consisted of injecting hydrogen into the engine intake manifold at different mass concentrations of 2,6,8 and 10% of total fuel mass (B7 + hydrogen), which represented energy fractions of 5,15, 20 and 24% of total fuel energy respectively. Due to hydrogen addition, the total amount of fuel energy introduced increased and the generators fuel injection governor prevented any increases of engine speed. Several conclusions can be stated from the test results. A reduction in specific fuel consumption as a function of hydrogen concentration increase was noted. Likewise, carbon dioxide emissions (CO2), carbon monoxide (CO) and unburned hydrocarbons (HC) decreased as hydrogen concentration increased. On the other hand, nitrogen oxides emissions (NOx) increased due to average temperatures inside the cylinder being higher. There was also an increase in peak cylinder pressure and heat release rate inside the cylinder, since the fuel ignition delay was smaller due to hydrogen content increase. All this indicates that hydrogen promotes faster combustion and higher heat release rates and can be an important additive to all kind of fuels used in diesel generators. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Diesel%20engine" title="Diesel engine">Diesel engine</a>, <a href="https://publications.waset.org/search?q=hydrogen" title=" hydrogen"> hydrogen</a>, <a href="https://publications.waset.org/search?q=dual%20fuel" title=" dual fuel"> dual fuel</a>, <a href="https://publications.waset.org/search?q=combustion%0D%0Aanalysis" title=" combustion analysis"> combustion analysis</a>, <a href="https://publications.waset.org/search?q=performance" title=" performance"> performance</a>, <a href="https://publications.waset.org/search?q=emissions." title=" emissions."> emissions.</a> </p> <a href="https://publications.waset.org/10008016/experimental-investigation-of-hydrogen-addition-in-the-intake-air-of-compressed-engines-running-on-biodiesel-blend" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/10008016/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/10008016/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/10008016/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/10008016/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/10008016/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/10008016/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/10008016/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/10008016/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/10008016/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/10008016/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/10008016.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">1315</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">178</span> The role of pH on Cr(VI) Reduction and Removal by Arthrobacter Viscosus</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=B.%20Silva">B. Silva</a>, <a href="https://publications.waset.org/search?q=H.%20Figueiredo"> H. Figueiredo</a>, <a href="https://publications.waset.org/search?q=I.%20C.%20Neves"> I. C. Neves</a>, <a href="https://publications.waset.org/search?q=T.%20Tavares"> T. Tavares</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Arthrobacter viscosus biomass was used for Cr(VI) biosorption. The effect of pH on Cr(VI) reduction and removal from aqueous solution was studied in the range of 1-4. The Cr(VI) removal involves both redox reaction and adsorption of metal ions on biomass surface. The removal rate of Cr(VI) was enhanced by very acid conditions, while higher solution pH values favored the removal of total chromium. The best removal efficiency and uptake were reached at pH 4, 72.5 % and 12.6 mgCr/gbiomass, respectively. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Biosorption" title="Biosorption">Biosorption</a>, <a href="https://publications.waset.org/search?q=chromium" title=" chromium"> chromium</a>, <a href="https://publications.waset.org/search?q=pH" title=" pH"> pH</a>, <a href="https://publications.waset.org/search?q=reduction." title=" reduction."> reduction.</a> </p> <a href="https://publications.waset.org/4530/the-role-of-ph-on-crvi-reduction-and-removal-by-arthrobacter-viscosus" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/4530/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/4530/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/4530/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/4530/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/4530/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/4530/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/4530/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/4530/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/4530/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/4530/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/4530.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">1682</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">177</span> Prototype of an Interactive Toy from Lego Robotics Kits for Children with Autism</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=Ricardo%20A.%20Martins">Ricardo A. Martins</a>, <a href="https://publications.waset.org/search?q=Matheus%20S.%20da%20Silva"> Matheus S. da Silva</a>, <a href="https://publications.waset.org/search?q=Gabriel%20H.%20F.%20Iarossi"> Gabriel H. F. Iarossi</a>, <a href="https://publications.waset.org/search?q=Helen%20C.%20M.%20Senefonte"> Helen C. M. Senefonte</a>, <a href="https://publications.waset.org/search?q=Cinthyan%20R.%20S.%20C.%20de%20Barbosa"> Cinthyan R. S. C. de Barbosa</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper is the development of a concept of the man/robot interaction. More accurately in developing of an autistic child that have more troubles with interaction, here offers an efficient solution, even though simple; however, less studied for this public. This concept is based on code applied thought out the Lego NXT kit, built for the interpretation of the robot, thereby can create this interaction in a constructive way for children suffering with Autism. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Lego%20NXT" title="Lego NXT">Lego NXT</a>, <a href="https://publications.waset.org/search?q=autism" title=" autism"> autism</a>, <a href="https://publications.waset.org/search?q=ANN%20%28Artificial%20Neural%20Network%29" title=" ANN (Artificial Neural Network)"> ANN (Artificial Neural Network)</a>, <a href="https://publications.waset.org/search?q=Backpropagation." title=" Backpropagation."> Backpropagation.</a> </p> <a href="https://publications.waset.org/10006231/prototype-of-an-interactive-toy-from-lego-robotics-kits-for-children-with-autism" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/10006231/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/10006231/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/10006231/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/10006231/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/10006231/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/10006231/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/10006231/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/10006231/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/10006231/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/10006231/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/10006231.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">882</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">176</span> Improving Security by Using Secure Servers Communicating via Internet with Standalone Secure Software</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=Carlos%20Gonzalez">Carlos Gonzalez</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper describes the use of the Internet as a feature to enhance the security of our software that is going to be distributed/sold to users potentially all over the world. By placing in a secure server some of the features of the secure software, we increase the security of such software. The communication between the protected software and the secure server is done by a double lock algorithm. This paper also includes an analysis of intruders and describes possible responses to detect threats. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Internet" title="Internet">Internet</a>, <a href="https://publications.waset.org/search?q=secure%20software" title=" secure software"> secure software</a>, <a href="https://publications.waset.org/search?q=threats" title=" threats"> threats</a>, <a href="https://publications.waset.org/search?q=cryptography%20process." title=" cryptography process."> cryptography process.</a> </p> <a href="https://publications.waset.org/10007284/improving-security-by-using-secure-servers-communicating-via-internet-with-standalone-secure-software" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/10007284/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/10007284/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/10007284/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/10007284/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/10007284/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/10007284/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/10007284/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/10007284/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/10007284/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/10007284/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/10007284.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">1045</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">175</span> An Experience Report on Course Teaching in Information Systems</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=Carlos%20Oliveira">Carlos Oliveira</a> </p> <p class="card-text"><strong>Abstract:</strong></p> <p>This paper is a criticism of the traditional model of teaching and presents alternative teaching methods, different from the traditional lecture. These methods are accompanied by reports of experience of their application in a class. It was concluded that in the lecture, the student has a low learning rate and that other methods should be used to make the most engaging learning environment for the student, contributing (or facilitating) his learning process. However, the teacher should not use a single method, but rather a range of different methods to ensure the learning experience does not become repetitive and fatiguing for the student.</p> <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Educational%20practices" title="Educational practices">Educational practices</a>, <a href="https://publications.waset.org/search?q=experience%20report" title=" experience report"> experience report</a>, <a href="https://publications.waset.org/search?q=IT%20in%20education" title=" IT in education"> IT in education</a>, <a href="https://publications.waset.org/search?q=teaching%20methods." title=" teaching methods. "> teaching methods. </a> </p> <a href="https://publications.waset.org/10005840/an-experience-report-on-course-teaching-in-information-systems" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/10005840/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/10005840/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/10005840/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/10005840/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/10005840/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/10005840/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/10005840/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/10005840/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/10005840/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/10005840/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/10005840.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">1114</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">174</span> Simulation of Online Communities Using MAS Social and Spatial Organisations</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=Maya%20Rupert">Maya Rupert</a>, <a href="https://publications.waset.org/search?q=Salima%20Hassas"> Salima Hassas</a>, <a href="https://publications.waset.org/search?q=Carlos%20Li"> Carlos Li</a>, <a href="https://publications.waset.org/search?q=John%20Sherwood"> John Sherwood</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Online Communities are an example of sociallyaware, self-organising, complex adaptive computing systems. The multi-agent systems (MAS) paradigm coordinated by self-organisation mechanisms has been used as an effective way for the simulation and modeling of such systems. In this paper, we propose a model for simulating an online health community using a situated multi-agent system approach, governed by the co-evolution of the social and spatial organisations of the agents. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=multi-agent%20systems" title="multi-agent systems">multi-agent systems</a>, <a href="https://publications.waset.org/search?q=organizations" title=" organizations"> organizations</a>, <a href="https://publications.waset.org/search?q=online%0Acommunities." title=" online communities."> online communities.</a> </p> <a href="https://publications.waset.org/8245/simulation-of-online-communities-using-mas-social-and-spatial-organisations" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/8245/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/8245/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/8245/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/8245/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/8245/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/8245/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/8245/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/8245/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/8245/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/8245/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/8245.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">1365</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">173</span> Implementation of a Serializer to Represent PHP Objects in the Extensible Markup Language</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=Lidia%20N.%20Hern%C3%A1ndez-Pi%C3%B1a">Lidia N. Hernández-Piña</a>, <a href="https://publications.waset.org/search?q=Carlos%20R.%20Jaimez-Gonz%C3%A1lez"> Carlos R. Jaimez-González</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Interoperability in distributed systems is an important feature that refers to the communication of two applications written in different programming languages. This paper presents a serializer and a de-serializer of PHP objects to and from XML, which is an independent library written in the PHP programming language. The XML generated by this serializer is independent of the programming language, and can be used by other existing Web Objects in XML (WOX) serializers and de-serializers, which allow interoperability with other object-oriented programming languages. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Interoperability" title="Interoperability">Interoperability</a>, <a href="https://publications.waset.org/search?q=PHP%20object%20serialization" title=" PHP object serialization"> PHP object serialization</a>, <a href="https://publications.waset.org/search?q=PHP%20to%20XML" title=" PHP to XML"> PHP to XML</a>, <a href="https://publications.waset.org/search?q=web%20objects%20in%20XML" title=" web objects in XML"> web objects in XML</a>, <a href="https://publications.waset.org/search?q=WOX." title=" WOX. "> WOX. </a> </p> <a href="https://publications.waset.org/10010563/implementation-of-a-serializer-to-represent-php-objects-in-the-extensible-markup-language" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/10010563/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/10010563/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/10010563/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/10010563/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/10010563/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/10010563/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/10010563/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/10010563/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/10010563/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/10010563/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/10010563.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">753</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">172</span> Independent Spanning Trees on Systems-on-chip Hypercubes Routing</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=Eduardo%20Sant%27Ana%20da%20Silva">Eduardo Sant'Ana da Silva</a>, <a href="https://publications.waset.org/search?q=Andre%20Luiz%20Pires%20Guedes"> Andre Luiz Pires Guedes</a>, <a href="https://publications.waset.org/search?q=Eduardo%20Todt"> Eduardo Todt</a> </p> <p class="card-text"><strong>Abstract:</strong></p> <p>Independent spanning trees (ISTs) provide a number of advantages in data broadcasting. One can cite the use in fault tolerance network protocols for distributed computing and bandwidth. However, the problem of constructing multiple ISTs is considered hard for arbitrary graphs. In this paper we present an efficient algorithm to construct ISTs on hypercubes that requires minimum resources to be performed.</p> <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Hypercube" title="Hypercube">Hypercube</a>, <a href="https://publications.waset.org/search?q=Independent%20Spanning%20Trees" title=" Independent Spanning Trees"> Independent Spanning Trees</a>, <a href="https://publications.waset.org/search?q=Networks%0D%0AOn%20Chip" title=" Networks On Chip"> Networks On Chip</a>, <a href="https://publications.waset.org/search?q=Systems%20On%20Chip." title=" Systems On Chip."> Systems On Chip.</a> </p> <a href="https://publications.waset.org/11659/independent-spanning-trees-on-systems-on-chip-hypercubes-routing" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/11659/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/11659/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/11659/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/11659/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/11659/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/11659/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/11659/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/11659/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/11659/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/11659/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/11659.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">1886</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">171</span> Use of Personal Rhythm to Authenticate Encrypted Messages</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=Carlos%20Gonzalez">Carlos Gonzalez</a> </p> <p class="card-text"><strong>Abstract:</strong></p> <p>When communicating using private and secure keys, there is always the doubt as to the identity of the message creator. We introduce an algorithm that uses the personal typing rhythm (keystroke dynamics) of the message originator to increase the trust of the authenticity of the message originator by the message recipient. The methodology proposes the use of a Rhythm Certificate Authority (RCA) to validate rhythm information. An illustrative example of the communication between Bob and Alice and the RCA is included. An algorithm of how to communicate with the RCA is presented. This RCA can be an independent authority or an enhanced Certificate Authority like the one used in public key infrastructure (PKI).</p> <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Personal%20rhythm" title="Personal rhythm">Personal rhythm</a>, <a href="https://publications.waset.org/search?q=public-key%20encryption" title=" public-key encryption"> public-key encryption</a>, <a href="https://publications.waset.org/search?q=authentication" title=" authentication"> authentication</a>, <a href="https://publications.waset.org/search?q=digital%20signature" title=" digital signature"> digital signature</a>, <a href="https://publications.waset.org/search?q=keystroke%20dynamics." title=" keystroke dynamics. "> keystroke dynamics. </a> </p> <a href="https://publications.waset.org/10007829/use-of-personal-rhythm-to-authenticate-encrypted-messages" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/10007829/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/10007829/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/10007829/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/10007829/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/10007829/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/10007829/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/10007829/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/10007829/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/10007829/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/10007829/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/10007829.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">1050</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">170</span> Non Inmersive Virtual Reality for Improving Teaching Processes</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=Galeano%20R.%20Katherine">Galeano R. Katherine</a>, <a href="https://publications.waset.org/search?q=Rincon%20L.%20David"> Rincon L. David</a>, <a href="https://publications.waset.org/search?q=Luengas.%20Lely"> Luengas. Lely</a>, <a href="https://publications.waset.org/search?q=Guevara.%20Juan%20Carlos"> Guevara. Juan Carlos</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The following paper shows an interactive tool which main purpose is to teach how to play a flute. It consists of three stages the first one is the instruction and teaching process through a software application, the second is the practice part when the user starts to play the flute (hardware specially designed for this application) this flute is capable of capturing how is being played the flute and the final stage is the one in which the data captured are sent to the software and the user is evaluated in order to give him / she a correction or an acceptance <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=acoustoelectric%20devices" title="acoustoelectric devices">acoustoelectric devices</a>, <a href="https://publications.waset.org/search?q=computer%20applications" title=" computer applications"> computer applications</a>, <a href="https://publications.waset.org/search?q=learning%20systems" title="learning systems">learning systems</a>, <a href="https://publications.waset.org/search?q=music" title=" music"> music</a>, <a href="https://publications.waset.org/search?q=technological%20innovation" title=" technological innovation"> technological innovation</a>, <a href="https://publications.waset.org/search?q=virtual%20reality" title=" virtual reality"> virtual reality</a> </p> <a href="https://publications.waset.org/6183/non-inmersive-virtual-reality-for-improving-teaching-processes" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/6183/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/6183/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/6183/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/6183/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/6183/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/6183/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/6183/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/6183/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/6183/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/6183/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/6183.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">1613</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">169</span> Hierarchical Clustering Analysis with SOM Networks</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=Diego%20Ordonez">Diego Ordonez</a>, <a href="https://publications.waset.org/search?q=Carlos%20Dafonte"> Carlos Dafonte</a>, <a href="https://publications.waset.org/search?q=Minia%20Manteiga"> Minia Manteiga</a>, <a href="https://publications.waset.org/search?q=Bernardino%20Arcayy"> Bernardino Arcayy</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This work presents a neural network model for the clustering analysis of data based on Self Organizing Maps (SOM). The model evolves during the training stage towards a hierarchical structure according to the input requirements. The hierarchical structure symbolizes a specialization tool that provides refinements of the classification process. The structure behaves like a single map with different resolutions depending on the region to analyze. The benefits and performance of the algorithm are discussed in application to the Iris dataset, a classical example for pattern recognition. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Neural%20networks" title="Neural networks">Neural networks</a>, <a href="https://publications.waset.org/search?q=Self-organizing%20feature%20maps" title=" Self-organizing feature maps"> Self-organizing feature maps</a>, <a href="https://publications.waset.org/search?q=Hierarchicalsystems" title=" Hierarchicalsystems"> Hierarchicalsystems</a>, <a href="https://publications.waset.org/search?q=Pattern%20clustering%20methods." title=" Pattern clustering methods."> Pattern clustering methods.</a> </p> <a href="https://publications.waset.org/6849/hierarchical-clustering-analysis-with-som-networks" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/6849/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/6849/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/6849/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/6849/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/6849/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/6849/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/6849/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/6849/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/6849/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/6849/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/6849.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">1947</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">168</span> Risk of Occupational Exposure to Cytotoxic Drugs: The Role of Handling Procedures of Hospital Workers</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=J.%20Silva">J. Silva</a>, <a href="https://publications.waset.org/search?q=P.%20Arezes"> P. Arezes</a>, <a href="https://publications.waset.org/search?q=R.%20Schierl"> R. Schierl</a>, <a href="https://publications.waset.org/search?q=N.%20Costa"> N. Costa</a> </p> <p class="card-text"><strong>Abstract:</strong></p> <p>In order to study environmental contamination by cytostatic drugs in Portugal hospitals, sampling campaigns were conducted in three hospitals in 2015 (112 samples). Platinum containing drugs and fluorouracil were chosen because both were administered in high amounts. The detection limit was 0.01 pg/cm² for platinum and 0.1 pg/cm² for fluorouracil. The results show that spills occur mainly on the patient`s chair, while the most referenced occurrence is due to an inadequately closed wrapper. Day hospitals facilities were detected as having the largest number of contaminated samples and with higher levels of contamination.</p> <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Antineoplastic" title="Antineoplastic">Antineoplastic</a>, <a href="https://publications.waset.org/search?q=drugs" title=" drugs"> drugs</a>, <a href="https://publications.waset.org/search?q=exposure" title=" exposure"> exposure</a>, <a href="https://publications.waset.org/search?q=surface." title=" surface."> surface.</a> </p> <a href="https://publications.waset.org/10008002/risk-of-occupational-exposure-to-cytotoxic-drugs-the-role-of-handling-procedures-of-hospital-workers" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/10008002/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/10008002/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/10008002/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/10008002/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/10008002/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/10008002/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/10008002/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/10008002/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/10008002/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/10008002/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/10008002.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">1052</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">167</span> Electricity Consumption and Economic Growth: The Case of Mexico</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=Mario%20G%C3%B3mez">Mario Gómez</a>, <a href="https://publications.waset.org/search?q=Jos%C3%A9%20Carlos%20Rodr%C3%ADguez"> José Carlos Rodríguez</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The causality between energy consumption and economic growth has been an important issue in the economic literature. This paper studies the causal relationship between electricity consumption and economic growth in Mexico for the period of 1971-2011. In so doing, unit root and causality tests are applied. The results show that energy consumption and economic growth series are stationary and there is also a causality relationship running from economic growth to electricity consumption. Therefore, any energy conservation policy would have little or no impact at all on economic growth in México. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Causality" title="Causality">Causality</a>, <a href="https://publications.waset.org/search?q=economic%20growth" title=" economic growth"> economic growth</a>, <a href="https://publications.waset.org/search?q=electricity%0D%0Aconsumption" title=" electricity consumption"> electricity consumption</a>, <a href="https://publications.waset.org/search?q=Mexico." title=" Mexico."> Mexico.</a> </p> <a href="https://publications.waset.org/10002082/electricity-consumption-and-economic-growth-the-case-of-mexico" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/10002082/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/10002082/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/10002082/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/10002082/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/10002082/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/10002082/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/10002082/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/10002082/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/10002082/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/10002082/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/10002082.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">2874</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">166</span> The Importance of 3D Mesh Generation for Large Eddy Simulation of Gas – Solid Turbulent Flows in a Fluidized Beds</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=G.%20Gonz%C3%A1lez-Silva">G. González-Silva</a>, <a href="https://publications.waset.org/search?q=E.%20M.%20Matos"> E. M. Matos</a>, <a href="https://publications.waset.org/search?q=W.%20P.%20Martignoni"> W. P. Martignoni</a>, <a href="https://publications.waset.org/search?q=M.%20Mori"> M. Mori</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The objective of this work is to show a procedure for mesh generation in a fluidized bed using large eddy simulations (LES) of a filtered two-fluid model. The experimental data were obtained by [1] in a laboratory fluidized bed. Results show that it is possible to use mesh with less cells as compared to RANS turbulence model with granular kinetic theory flow (KTGF). Also, the numerical results validate the experimental data near wall of the bed, which cannot be predicted by RANS.model. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=LES" title="LES">LES</a>, <a href="https://publications.waset.org/search?q=Mesh" title=" Mesh"> Mesh</a>, <a href="https://publications.waset.org/search?q=Gas-Solid" title=" Gas-Solid"> Gas-Solid</a>, <a href="https://publications.waset.org/search?q=Fluidized%20bed" title=" Fluidized bed"> Fluidized bed</a> </p> <a href="https://publications.waset.org/3348/the-importance-of-3d-mesh-generation-for-large-eddy-simulation-of-gas-solid-turbulent-flows-in-a-fluidized-beds" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/3348/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/3348/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/3348/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/3348/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/3348/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/3348/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/3348/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/3348/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/3348/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/3348/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/3348.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">2124</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">165</span> Control Strategies for a Robot for Interaction with Children with Autism Spectrum Disorder</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=Vinicius%20Binotte">Vinicius Binotte</a>, <a href="https://publications.waset.org/search?q=Guilherme%20Baldo"> Guilherme Baldo</a>, <a href="https://publications.waset.org/search?q=Christiane%20Goulart"> Christiane Goulart</a>, <a href="https://publications.waset.org/search?q=Carlos%20Valad%C3%A3o"> Carlos Valadão</a>, <a href="https://publications.waset.org/search?q=Eliete%20Caldeira"> Eliete Caldeira</a>, <a href="https://publications.waset.org/search?q=Teodiano%20Bastos"> Teodiano Bastos</a> </p> <p class="card-text"><strong>Abstract:</strong></p> <p>Socially assistive robotic has become increasingly active and it is present in therapies of people affected for several neurobehavioral conditions, such as Autism Spectrum Disorder (ASD). In fact, robots have played a significant role for positive interaction with children with ASD, by stimulating their social and cognitive skills. This work introduces a mobile socially-assistive robot, which was built for interaction with children with ASD, using non-linear control techniques for this interaction.</p> <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Socially%20assistive%20robotics" title="Socially assistive robotics">Socially assistive robotics</a>, <a href="https://publications.waset.org/search?q=mobile%20robot" title=" mobile robot"> mobile robot</a>, <a href="https://publications.waset.org/search?q=autonomous%20control" title=" autonomous control"> autonomous control</a>, <a href="https://publications.waset.org/search?q=autism." title=" autism."> autism.</a> </p> <a href="https://publications.waset.org/10006582/control-strategies-for-a-robot-for-interaction-with-children-with-autism-spectrum-disorder" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/10006582/apa" target="_blank" rel="nofollow" class="btn btn-primary 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