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Rech</title> <meta name="description" content="Search results for: Joel Rech"> <meta name="keywords" content="Joel Rech"> <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 ml-auto" type="button" data-toggle="collapse" data-target="#navbarMenu" aria-controls="navbarMenu" aria-expanded="false" aria-label="Toggle navigation"> <span class="navbar-toggler-icon"></span> </button> <div class="w-100"> <div class="d-none d-lg-flex flex-row-reverse"> <form method="get" action="https://waset.org/search" class="form-inline my-2 my-lg-0"> <input class="form-control mr-sm-2" type="search" placeholder="Search Conferences" value="Joel Rech" name="q" aria-label="Search"> <button class="btn btn-light my-2 my-sm-0" type="submit"><i class="fas fa-search"></i></button> </form> </div> <div class="collapse navbar-collapse mt-1" id="navbarMenu"> <ul class="navbar-nav ml-auto align-items-center" id="mainNavMenu"> <li class="nav-item"> <a class="nav-link" href="https://waset.org/conferences" title="Conferences in 2024/2025/2026">Conferences</a> </li> <li class="nav-item"> <a class="nav-link" href="https://waset.org/disciplines" title="Disciplines">Disciplines</a> </li> <li 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id="custom-search-input"> <div class="input-group"> <i class="fas fa-search"></i> <input type="text" class="search-query" name="q" placeholder="Author, Title, Abstract, Keywords" value="Joel Rech"> <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> 72</div> </div> </div> </div> <h1 class="mt-3 mb-3 text-center" style="font-size:1.6rem;">Search results for: Joel Rech</h1> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">72</span> Selective Laser Melting (SLM) Process and Its Influence on the Machinability of TA6V Alloy</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Rafa%C5%82%20Kami%C5%84ski">Rafał Kamiński</a>, <a href="https://publications.waset.org/abstracts/search?q=Joel%20Rech"> Joel Rech</a>, <a href="https://publications.waset.org/abstracts/search?q=Philippe%20Bertrand"> Philippe Bertrand</a>, <a href="https://publications.waset.org/abstracts/search?q=Christophe%20Desrayaud"> Christophe Desrayaud</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Titanium alloys are among the most important material in the aircraft industry, due to its low density, high strength, and corrosion resistance. However, these alloys are considered as difficult to machine because they have poor thermal properties and high reactivity with cutting tools. The Selective Laser Melting (SLM) process becomes even more popular through industry since it enables the design of new complex components, that cannot be manufactured by standard processes. However, the high temperature reached during the melting phase as well as the several rapid heating and cooling phases, due to the movement of the laser, induce complex microstructures. These microstructures differ from conventional equiaxed ones obtained by casting+forging. Parts obtained by SLM have to be machined in order calibrate the dimensions and the surface roughness of functional surfaces. The ball milling technique is widely applied to finish complex shapes. However, the machinability of titanium is strongly influenced by the microstructure. So the objective of this work is to investigate the influence of the SLM process, i.e. microstructure, on the machinability of titanium, compared to conventional forming processes. The machinability is analyzed by measuring surface roughness, cutting forces, cutting tool wear for a range of cutting conditions (depth of cut ap, feed per tooth fz, spindle speed N) in accordance with industrial practices. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=ball%20milling" title="ball milling">ball milling</a>, <a href="https://publications.waset.org/abstracts/search?q=microstructure" title=" microstructure"> microstructure</a>, <a href="https://publications.waset.org/abstracts/search?q=surface%20roughness" title=" surface roughness"> surface roughness</a>, <a href="https://publications.waset.org/abstracts/search?q=titanium" title=" titanium"> titanium</a> </p> <a href="https://publications.waset.org/abstracts/57947/selective-laser-melting-slm-process-and-its-influence-on-the-machinability-of-ta6v-alloy" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/57947.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">297</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">71</span> TA6V Selective Laser Melting as an Innovative Method Produce Complex Shapes</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Rafa%C5%82%20Kami%C5%84ski">Rafał Kamiński</a>, <a href="https://publications.waset.org/abstracts/search?q=Joel%20Rech"> Joel Rech</a>, <a href="https://publications.waset.org/abstracts/search?q=Philippe%20Bertrand"> Philippe Bertrand</a>, <a href="https://publications.waset.org/abstracts/search?q=Christophe%20Desrayaud"> Christophe Desrayaud</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Additive manufacturing is a hot topic for industry. Among the additive techniques, Selective Laser Melting (SLM) becomes even more popular, especially for making parts for aerospace applications, thanks to its design freedom (customized and light structures) and its reduced time to market. However, some functional surfaces have to be machined to achieve small tolerances and low surface roughness to fulfill industry specifications. The complex shapes designed for SLM (ex: titanium turbine blades) necessitate the use of ball end milling operations like in the conventional process after forging. However, the metallurgical state of TA6V is very different from the one obtained usually from forging, because of the laser sintering layer by layer. So this paper aims to investigate the influence of new TA6V metallurgies produced by SLM on the machinability in ball end milling. Machinability is considered as the property of a material to obtain easily and by a cheap way a functional surface. This means, for instance, the property to limit cutting tool wear rate and to get smooth surfaces. So as to reach this objective, SLM parts have been produced and heat treated with various conditions leading to various metallurgies that are compared with a standard equiaxed α+β wrought microstructure. The machinability is analyzed by measuring surface roughness, tool wear and cutting forces for a range of cutting conditions (depth of cut 'ap', feed per tooth 'fz', spindle speed 'N') in accordance with industrial practices. This work has revealed that TA6V produced by SLM can lead to a better machinability that standard wrought alloys. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=ball%20milling" title="ball milling">ball milling</a>, <a href="https://publications.waset.org/abstracts/search?q=selective%20laser%20melting" title=" selective laser melting"> selective laser melting</a>, <a href="https://publications.waset.org/abstracts/search?q=surface%20roughness" title=" surface roughness"> surface roughness</a>, <a href="https://publications.waset.org/abstracts/search?q=titanium" title=" titanium"> titanium</a>, <a href="https://publications.waset.org/abstracts/search?q=wear" title=" wear"> wear</a> </p> <a href="https://publications.waset.org/abstracts/59147/ta6v-selective-laser-melting-as-an-innovative-method-produce-complex-shapes" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/59147.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">280</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">70</span> Realization and Characterization of TiN Coating and Metal Working Application</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Nadjette%20Belhamra">Nadjette Belhamra</a>, <a href="https://publications.waset.org/abstracts/search?q=Abdelouahed%20Chala"> Abdelouahed Chala</a>, <a href="https://publications.waset.org/abstracts/search?q=Ibrahim%20Guasmi"> Ibrahim Guasmi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Titanium nitride coatings have been extensively used in industry, such as in cutting tools. TiN coating were deposited by chemical vapour deposition (CVD) on carbide insert at a temperature between 850°C and 1100°C, which often exceeds the hardening treatment temperature of the metals. The objective of this work is to realize, to characterize of TiN coating and to apply it in the turning of steel 42CrMo4 under lubrification. Various experimental techniques were employed for the microstructural characterization of the coatings, e. g., X-ray diffraction (XRD), scanning electron microscope (SEM) model JOEL JSM-5900 LV, equipped with energy dispersive X-ray (EDX). The results show that TiN-coated demonstrate a good wear resistance. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=hard%20coating%20TiN" title="hard coating TiN">hard coating TiN</a>, <a href="https://publications.waset.org/abstracts/search?q=carbide%20inserts" title=" carbide inserts"> carbide inserts</a>, <a href="https://publications.waset.org/abstracts/search?q=machining" title=" machining"> machining</a>, <a href="https://publications.waset.org/abstracts/search?q=turning" title=" turning"> turning</a>, <a href="https://publications.waset.org/abstracts/search?q=wear" title=" wear"> wear</a> </p> <a href="https://publications.waset.org/abstracts/21030/realization-and-characterization-of-tin-coating-and-metal-working-application" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/21030.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">553</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">69</span> Experimental and Analytical Design of Rigid Pavement Using Geopolymer Concrete</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=J.%20Joel%20Bright">J. Joel Bright</a>, <a href="https://publications.waset.org/abstracts/search?q=P.%20Peer%20Mohamed"> P. Peer Mohamed</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20Aswin%20SAangameshwaran"> M. Aswin SAangameshwaran</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The increasing usage of concrete produces 80% of carbon dioxide in the atmosphere. Hence, this results in various environmental effects like global warming. The amount of the carbon dioxide released during the manufacture of OPC due to the calcination of limestone and combustion of fossil fuel is in the order of one ton for every ton of OPC produced. Hence, to minimize this Geo Polymer Concrete was introduced. Geo polymer concrete is produced with 0% cement, and hence, it is eco-friendly and it also uses waste product from various industries like thermal power plant, steel manufacturing plant, and paper waste materials. This research is mainly about using Geo polymer concrete for pavement which gives very high strength than conventional concrete and at the same time gives way for sustainable development. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=activator%20solution" title="activator solution">activator solution</a>, <a href="https://publications.waset.org/abstracts/search?q=GGBS" title=" GGBS"> GGBS</a>, <a href="https://publications.waset.org/abstracts/search?q=fly%20ash" title=" fly ash"> fly ash</a>, <a href="https://publications.waset.org/abstracts/search?q=metakaolin" title=" metakaolin"> metakaolin</a> </p> <a href="https://publications.waset.org/abstracts/9069/experimental-and-analytical-design-of-rigid-pavement-using-geopolymer-concrete" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/9069.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">468</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">68</span> New Technique of Estimation of Charge Carrier Density of Nanomaterials from Thermionic Emission Data</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Dilip%20K.%20De">Dilip K. De</a>, <a href="https://publications.waset.org/abstracts/search?q=Olukunle%20C.%20Olawole"> Olukunle C. Olawole</a>, <a href="https://publications.waset.org/abstracts/search?q=Emmanuel%20S.%20Joel"> Emmanuel S. Joel</a>, <a href="https://publications.waset.org/abstracts/search?q=Moses%20Emetere"> Moses Emetere</a> </p> <p class="card-text"><strong>Abstract:</strong></p> A good number of electronic properties such as electrical and thermal conductivities depend on charge carrier densities of nanomaterials. By controlling the charge carrier densities during the fabrication (or growth) processes, the physical properties can be tuned. In this paper, we discuss a new technique of estimating the charge carrier densities of nanomaterials from the thermionic emission data using the newly modified Richardson-Dushman equation. We find that the technique yields excellent results for graphene and carbon nanotube. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=charge%20carrier%20density" title="charge carrier density">charge carrier density</a>, <a href="https://publications.waset.org/abstracts/search?q=nano%20materials" title=" nano materials"> nano materials</a>, <a href="https://publications.waset.org/abstracts/search?q=new%20technique" title=" new technique"> new technique</a>, <a href="https://publications.waset.org/abstracts/search?q=thermionic%20emission" title=" thermionic emission"> thermionic emission</a> </p> <a href="https://publications.waset.org/abstracts/42562/new-technique-of-estimation-of-charge-carrier-density-of-nanomaterials-from-thermionic-emission-data" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/42562.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">321</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">67</span> Design of a Pulse Generator Based on a Programmable System-on-Chip (PSoC) for Ultrasonic Applications</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Pedro%20Acevedo">Pedro Acevedo</a>, <a href="https://publications.waset.org/abstracts/search?q=Carlos%20D%C3%ADaz"> Carlos Díaz</a>, <a href="https://publications.waset.org/abstracts/search?q=M%C3%B3nica%20V%C3%A1zquez"> Mónica Vázquez</a>, <a href="https://publications.waset.org/abstracts/search?q=Joel%20Dur%C3%A1n"> Joel Durán</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper describes the design of a pulse generator based on the Programmable System-on-Chip (PSoC) module. In this module, using programmable logic is possible to implement different pulses which are required for ultrasonic applications, either in a single channel or multiple channels. This module can operate with programmable frequencies from 3-74 MHz; its programming may be versatile covering a wide range of ultrasonic applications. It is ideal for low-power ultrasonic applications where PZT or PVDF transducers are used. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=PSoC" title="PSoC">PSoC</a>, <a href="https://publications.waset.org/abstracts/search?q=pulse%20generator" title=" pulse generator"> pulse generator</a>, <a href="https://publications.waset.org/abstracts/search?q=PVDF" title=" PVDF"> PVDF</a>, <a href="https://publications.waset.org/abstracts/search?q=ultrasonic%20transducer" title=" ultrasonic transducer"> ultrasonic transducer</a> </p> <a href="https://publications.waset.org/abstracts/41457/design-of-a-pulse-generator-based-on-a-programmable-system-on-chip-psoc-for-ultrasonic-applications" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/41457.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">293</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">66</span> Systems for Air Renewal Inside Bus Bodies Importance in the Prevention of Disease Transmission</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Giovanni%20Matheus%20Rech">Giovanni Matheus Rech</a>, <a href="https://publications.waset.org/abstracts/search?q=Gilberto%20Zan"> Gilberto Zan</a>, <a href="https://publications.waset.org/abstracts/search?q=Filipe%20P.%20Aguiar"> Filipe P. Aguiar</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The current pandemic scenario raises questions that many times would have previously gone unnoticed. One of these issues is the quality of the air we breathe in the most diverse environments in which we are inserted in an everyday. It is plausible to suppose that, at times like this, there is apprehension regarding the possibility of contamination by pathological agents such as viruses and bacterias through the airways. However, the renewal of indoor air, combined with a properly sanitized air conditioning system, are important tools for the prevention of viral diseases, as is the case with COVID-19. The bus is an example of an environment where renovation is applied to improve the quality of indoor air, helping to reduce the possibility of spreading pathological agents. Together with other care, such as an alcohol gel dispenser, curtains to separate the passengers, cleaning the environment more frequently, and mandatory use of masks, help to reduce the transmission of pathologies, such as COVID-19. Knowing the reality of a large part of the population regarding the need for public transport, there are standards and devices dedicated to promoting air quality, ensuring greater comfort and safety for users. This paper seeks to present such standards and recommendations to improve the quality of indoor air, as well as the equipment responsible for the renewal of the air in the body of a bus. Experimental measurement of the flow rates of the renewal devices present in the bus body allows quantifying the average volume of external air admitted in each type of body. This way, it was possible to compare, in terms of airflow per person, the values of a bus in relation to a series of other environments, using recommendations for air renewal are described through the Brazilian standard ABNT NBR 16401. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=air%20quality" title="air quality">air quality</a>, <a href="https://publications.waset.org/abstracts/search?q=air%20renewal" title=" air renewal"> air renewal</a>, <a href="https://publications.waset.org/abstracts/search?q=buses" title=" buses"> buses</a>, <a href="https://publications.waset.org/abstracts/search?q=Covid-19" title=" Covid-19"> Covid-19</a> </p> <a href="https://publications.waset.org/abstracts/144107/systems-for-air-renewal-inside-bus-bodies-importance-in-the-prevention-of-disease-transmission" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/144107.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">151</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">65</span> An Effective Change in the Strategic Structure of Quality Management Systems: The Organization’s Needs Management</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Joel%20Carlos%20Vieira%20Reinhardt">Joel Carlos Vieira Reinhardt</a>, <a href="https://publications.waset.org/abstracts/search?q=Mariana%20de%20Freitas%20Dewes"> Mariana de Freitas Dewes</a>, <a href="https://publications.waset.org/abstracts/search?q=Odair%20Lelis%20Gon%C3%A7alez"> Odair Lelis Gonçalez</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper proposes a method to implement a strategic framework for the quality management system that considers the analysis of prospective scenarios in the determination of policy, mission, vision, objectives, processes, monitoring, and goals. Semantic categorization of qualitative testimonial research on employee perception shows it was possible to implement an effective change in the organizations at the Department of Aerospace Science and Technology through the focus on the organization's needs management, producing a rupture with the historical managerial practice. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=management%20of%20company%20needs" title="management of company needs">management of company needs</a>, <a href="https://publications.waset.org/abstracts/search?q=mission" title=" mission"> mission</a>, <a href="https://publications.waset.org/abstracts/search?q=prospective%20scenarios" title=" prospective scenarios"> prospective scenarios</a>, <a href="https://publications.waset.org/abstracts/search?q=quality%20management" title=" quality management"> quality management</a>, <a href="https://publications.waset.org/abstracts/search?q=quality%20policy" title=" quality policy"> quality policy</a>, <a href="https://publications.waset.org/abstracts/search?q=vision" title=" vision"> vision</a> </p> <a href="https://publications.waset.org/abstracts/155067/an-effective-change-in-the-strategic-structure-of-quality-management-systems-the-organizations-needs-management" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/155067.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">117</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">64</span> Business Intelligence Proposal to Improve Decision Making in Companies Using Google Cloud Platform and Microsoft Power BI</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Joel%20Vilca%20Tarazona">Joel Vilca Tarazona</a>, <a href="https://publications.waset.org/abstracts/search?q=Igor%20Aguilar-Alonso"> Igor Aguilar-Alonso</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The problem of this research related to business intelligence is the lack of a tool that supports automated and efficient financial analysis for decision-making and allows an evaluation of the financial statements, which is why the availability of the information is difficult. Relevant information to managers and users as an instrument in decision making financial, and administrative. For them, a business intelligence solution is proposed that will reduce information access time, personnel costs, and process automation, proposing a 4-layer architecture based on what was reviewed by the research methodology. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=decision%20making" title="decision making">decision making</a>, <a href="https://publications.waset.org/abstracts/search?q=business%20intelligence" title=" business intelligence"> business intelligence</a>, <a href="https://publications.waset.org/abstracts/search?q=Google%20Cloud" title=" Google Cloud"> Google Cloud</a>, <a href="https://publications.waset.org/abstracts/search?q=Microsoft%20Power%20BI" title=" Microsoft Power BI"> Microsoft Power BI</a> </p> <a href="https://publications.waset.org/abstracts/160680/business-intelligence-proposal-to-improve-decision-making-in-companies-using-google-cloud-platform-and-microsoft-power-bi" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/160680.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">100</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">63</span> A Review of the Fundamental Principles of the National Transport Policy and Developmental Implementation Programmes</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Charles%20Asenime">Charles Asenime</a>, <a href="https://publications.waset.org/abstracts/search?q=Asaju%20Joel"> Asaju Joel</a>, <a href="https://publications.waset.org/abstracts/search?q=Fagbenro%20Abiola"> Fagbenro Abiola</a>, <a href="https://publications.waset.org/abstracts/search?q=Adetoyese%20Oguntimehin"> Adetoyese Oguntimehin</a>, <a href="https://publications.waset.org/abstracts/search?q=Agosu%20Rebecca"> Agosu Rebecca</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper examines the fundamental principles of the National Transport Policy (NTP) and determined its role in the execution of transport projects, and the establishment of ministries, departments, and agencies. Data used for the paper are from secondary sources of commissioned reports, studies, internet sources, and government releases. Results of the analysis show that the draft NTP has been used to establish transport schemes, master plans, and transport infrastructure. The paper concludes that though, the national transport Policy is still in a draft form, its production, however, has shaped the transport system in Nigeria and has shown how transport has improved the economy through the efficient utilisation of resources, improved mobility, and lifestyle. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=principles" title="principles">principles</a>, <a href="https://publications.waset.org/abstracts/search?q=draft" title=" draft"> draft</a>, <a href="https://publications.waset.org/abstracts/search?q=system" title=" system"> system</a>, <a href="https://publications.waset.org/abstracts/search?q=resources" title=" resources"> resources</a> </p> <a href="https://publications.waset.org/abstracts/168700/a-review-of-the-fundamental-principles-of-the-national-transport-policy-and-developmental-implementation-programmes" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/168700.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">142</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">62</span> What Nigeria Education Needs</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Babatunde%20Joel%20Todowede">Babatunde Joel Todowede</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The challenges of nation building and sustainable development have continued to feature prominently in the general reckoning of problems of underdevelopment in the developing countries of the world. Thus, since the attainment of political independence from the British colonial administration in 1960, one of the critical thrusts of central governance in Nigeria has been the particular policy attention of the educational sector. Of course, education is perceived as the logical bridge between the two contrasting worlds of underdevelopment and development, hence, its fundamental importance. The various public policies and practices associated with the Nigerian educational sector are specifically elaborated and critically assessed in this paper. In the final analysis, it is concluded that the educational sector should be better configured and managed in ways that the wider challenges of nation-building and sustainable development are effectively tractable. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Nigeria%20education" title="Nigeria education">Nigeria education</a>, <a href="https://publications.waset.org/abstracts/search?q=educational%20need" title=" educational need"> educational need</a>, <a href="https://publications.waset.org/abstracts/search?q=educational%20plans%20and%20policies" title=" educational plans and policies"> educational plans and policies</a>, <a href="https://publications.waset.org/abstracts/search?q=educational%20challenges" title=" educational challenges"> educational challenges</a>, <a href="https://publications.waset.org/abstracts/search?q=corrective%20measures" title=" corrective measures"> corrective measures</a>, <a href="https://publications.waset.org/abstracts/search?q=emerging%20economy" title=" emerging economy"> emerging economy</a> </p> <a href="https://publications.waset.org/abstracts/40021/what-nigeria-education-needs" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/40021.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">373</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">61</span> The Effects of Current and Future Priming on Pro-Environmental Attitudes</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Calvin%20Rong">Calvin Rong</a>, <a href="https://publications.waset.org/abstracts/search?q=Regina%20Agassian"> Regina Agassian</a>, <a href="https://publications.waset.org/abstracts/search?q=Joel%20Hernandez"> Joel Hernandez</a>, <a href="https://publications.waset.org/abstracts/search?q=Mindy%20Engle-Friedman"> Mindy Engle-Friedman</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This study assessed strategies to stimulate engagement with future environmental needs. 32 participants were randomly assigned to one of three conditions which involved imagining and drawing: 1) a generic person in current life, 2) one’s self in current life or 3) one’s self in the future. Participants before and after the intervention indicated connectedness to their selves 50 years in the future on an adapted Future Self-Continuity Scale. A significant interaction (p = .03) showed no difference in connectedness into one’s future self in the control group, a decrease in connectedness in those who imagined themselves in the present and an increase in connectedness in those who imagined themselves in the future. Results suggest attention to one’s present life circumstances may interfere with one’s connection with future environmental issues but imagining one’s future life may stimulate actions that result in future environmental protection. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=environmental%20psychology" title="environmental psychology">environmental psychology</a>, <a href="https://publications.waset.org/abstracts/search?q=future%20priming" title=" future priming"> future priming</a>, <a href="https://publications.waset.org/abstracts/search?q=climate%20change" title=" climate change"> climate change</a>, <a href="https://publications.waset.org/abstracts/search?q=global%20warming" title=" global warming"> global warming</a> </p> <a href="https://publications.waset.org/abstracts/77010/the-effects-of-current-and-future-priming-on-pro-environmental-attitudes" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/77010.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">209</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">60</span> Transport Infrastructure and Economic Growth in South Africa</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Abigail%20Mosetsanagape%20Mooketsi">Abigail Mosetsanagape Mooketsi</a>, <a href="https://publications.waset.org/abstracts/search?q=Itumeleng%20Pleasure%20Mongale"> Itumeleng Pleasure Mongale</a>, <a href="https://publications.waset.org/abstracts/search?q=Joel%20Hinaunye%20Eita"> Joel Hinaunye Eita</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The aim of this study is to analyse the impact of transport infrastructure on economic growth in South Africa through Engle Granger two step approach using the data from 1970 to 2013. GDP is used as a proxy for economic growth whilst rail transport (rail lines, rail goods transported) and air transport(air passengers carried, air freight) are used as proxies for transport infrastructure. The results showed that there is a positive long-run relationship between transport infrastructure and economic growth. The results show that South Africa’s economic growth can be boosted by providing transport infrastructure. The estimated models were simulated and the results that the model is a good fit. The findings of this research will be beneficial to policy makers, academics and it will also enhance the ability of the investors to make informed decisions about investing in South Africa. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=transport" title="transport">transport</a>, <a href="https://publications.waset.org/abstracts/search?q=infrastructure" title=" infrastructure"> infrastructure</a>, <a href="https://publications.waset.org/abstracts/search?q=economic%20growth" title=" economic growth"> economic growth</a>, <a href="https://publications.waset.org/abstracts/search?q=South%20Africa" title=" South Africa"> South Africa</a> </p> <a href="https://publications.waset.org/abstracts/62516/transport-infrastructure-and-economic-growth-in-south-africa" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/62516.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">482</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">59</span> Correlation between Early Government Interventions in the Northeastern United States and COVID-19 Outcomes</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Joel%20Mintz">Joel Mintz</a>, <a href="https://publications.waset.org/abstracts/search?q=Kyle%20Huntley"> Kyle Huntley</a>, <a href="https://publications.waset.org/abstracts/search?q=Waseem%20Wahood"> Waseem Wahood</a>, <a href="https://publications.waset.org/abstracts/search?q=Samuel%20Raine"> Samuel Raine</a>, <a href="https://publications.waset.org/abstracts/search?q=Farzanna%20Haffizulla"> Farzanna Haffizulla</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The effect of different state government interventions on COVID-19 health outcomes is currently unknown. Stay at home (SAH) orders, all non-essential business closures and school closures in the Northeastern US were examined. A linear correlation between the peak number of new daily COVID-19 positive tests, hospitalizations and deaths per capita and the elapsed time between government issued guidance and a fixed number of COVID-19 deaths in each state was performed. Earlier government interventions were correlated with lower peak healthcare burden. Statewide closures of schools and non-essential businesses showed significantly greater (p<.001) correlation to peak COVID-19 disease burden as compared to a statewide SAH. The implications of these findings require further study to determine the effectiveness of these interventions. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Coronavirus" title="Coronavirus">Coronavirus</a>, <a href="https://publications.waset.org/abstracts/search?q=epidemiology" title=" epidemiology"> epidemiology</a>, <a href="https://publications.waset.org/abstracts/search?q=government%20intervention" title=" government intervention"> government intervention</a>, <a href="https://publications.waset.org/abstracts/search?q=public%20health" title=" public health"> public health</a>, <a href="https://publications.waset.org/abstracts/search?q=social%20distancing" title=" social distancing"> social distancing</a> </p> <a href="https://publications.waset.org/abstracts/127907/correlation-between-early-government-interventions-in-the-northeastern-united-states-and-covid-19-outcomes" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/127907.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">188</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">58</span> Optimal Tracking Control of a Hydroelectric Power Plant Incorporating Neural Forecasting for Uncertain Input Disturbances</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Marlene%20Perez%20Villalpando">Marlene Perez Villalpando</a>, <a href="https://publications.waset.org/abstracts/search?q=Kelly%20Joel%20Gurubel%20Tun"> Kelly Joel Gurubel Tun</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this paper, we propose an optimal control strategy for a hydroelectric power plant subject to input disturbances like meteorological phenomena. The engineering characteristics of the system are described by a nonlinear model. The random availability of renewable sources is predicted by a high-order neural network trained with an extended Kalman filter, whereas the power generation is regulated by the optimal control law. The main advantage of the system is the stabilization of the amount of power generated in the plant. A control supervisor maintains stability and availability in hydropower reservoirs water levels for power generation. The proposed approach demonstrated a good performance to stabilize the reservoir level and the power generation along their desired trajectories in the presence of disturbances. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=hydropower" title="hydropower">hydropower</a>, <a href="https://publications.waset.org/abstracts/search?q=high%20order%20neural%20network" title=" high order neural network"> high order neural network</a>, <a href="https://publications.waset.org/abstracts/search?q=Kalman%20filter" title=" Kalman filter"> Kalman filter</a>, <a href="https://publications.waset.org/abstracts/search?q=optimal%20control" title=" optimal control"> optimal control</a> </p> <a href="https://publications.waset.org/abstracts/132201/optimal-tracking-control-of-a-hydroelectric-power-plant-incorporating-neural-forecasting-for-uncertain-input-disturbances" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/132201.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">298</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">57</span> Asymmetric Synthesis and Biological Study of Suberosanes</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mohammad%20Kousara">Mohammad Kousara</a>, <a href="https://publications.waset.org/abstracts/search?q=Fran%C3%A7oise%20Dumas"> Françoise Dumas</a>, <a href="https://publications.waset.org/abstracts/search?q=Rama%20Ibrahim"> Rama Ibrahim</a>, <a href="https://publications.waset.org/abstracts/search?q=Jo%C3%ABlle%20Dubois"> Joëlle Dubois</a>, <a href="https://publications.waset.org/abstracts/search?q=Jo%C3%ABl%20Raingeaud"> Joël Raingeaud</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Suberosanes are a small group of marine natural sesquiterpenes discovered since 1996 by Boyd, Sheu and Qi from three gorgonians. Their skeleton was previously found in quadranes produced by the terrestrial fungus Aspergillus terreus. Up to date, eleven suberosanes are described from which (-)-suberosanone and (-)-suberosenol A are reaching the picomolar cytotoxicity level on human solid tumors cell lines. Due to their impressive cytotoxic properties and their limited availability, we undertook an asymmetric synthesis of the most active members of this family in order to get insight into their absolute configurations and their biological properties. The challenge of their synthesis is the regio- and stereoselective elaboration of the compact bridged tricyclic skeleton with up to five all adjacent asymmetric centers, including a central quaternary carbon one. Our strategy is based on an aza-ene-synthesis key step which is regio-and stereo-controlled by the choice of a chiral amine enantiomer. it approach is concise and flexible, the enantiopur ABC tricyclic intermediate that have been synthesized being the common precursor of suberosanes. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=suberosanes" title="suberosanes">suberosanes</a>, <a href="https://publications.waset.org/abstracts/search?q=asymmetric%20synthesis" title=" asymmetric synthesis"> asymmetric synthesis</a>, <a href="https://publications.waset.org/abstracts/search?q=sesquiterpenes" title=" sesquiterpenes"> sesquiterpenes</a>, <a href="https://publications.waset.org/abstracts/search?q=quadranes" title=" quadranes"> quadranes</a> </p> <a href="https://publications.waset.org/abstracts/172533/asymmetric-synthesis-and-biological-study-of-suberosanes" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/172533.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">92</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">56</span> Criteria Analysis of Residential Location Preferences: An Urban Dwellers’ Perspective</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Arati%20Siddharth%20Petkar">Arati Siddharth Petkar</a>, <a href="https://publications.waset.org/abstracts/search?q=Joel%20E.%20M.%20Macwan"> Joel E. M. Macwan</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Preferences for residential location are of a diverse nature. Primarily they are based on the socio-economic, socio-cultural, socio-demographic characteristics of the household. It also depends on character, and the growth potential of different areas in a city. In the present study, various criteria affecting residential location preferences from the Urban Dwellers’ perspective have been analyzed. The household survey has been conducted in two parts: Existing Buyers’ survey and Future Buyers’ survey. The analysis reveals that workplace location is the most governing criterion in deciding residential location from the majority of the urban dwellers perspective. For analyzing the importance of varied criteria, Analytical Hierarchy Process approach has been explored. The suggested approach will be helpful for urban planners, decision makers and developers, while designating a new residential area or redeveloping an existing one. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=analytical%20hierarchy%20process%20%28AHP%29" title="analytical hierarchy process (AHP)">analytical hierarchy process (AHP)</a>, <a href="https://publications.waset.org/abstracts/search?q=household" title=" household"> household</a>, <a href="https://publications.waset.org/abstracts/search?q=preferences" title=" preferences"> preferences</a>, <a href="https://publications.waset.org/abstracts/search?q=residential%20location%20preferences" title=" residential location preferences"> residential location preferences</a>, <a href="https://publications.waset.org/abstracts/search?q=residential%20land%20use" title=" residential land use"> residential land use</a>, <a href="https://publications.waset.org/abstracts/search?q=urban%20dwellers" title=" urban dwellers"> urban dwellers</a> </p> <a href="https://publications.waset.org/abstracts/82793/criteria-analysis-of-residential-location-preferences-an-urban-dwellers-perspective" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/82793.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">207</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">55</span> Permissible Horizontal Displacements during the Construction of Vertical Shafts in Soft Soils at the Valley of Mexico: Case History</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Joel%20M.%20De%20La%20Rosa%20R.">Joel M. De La Rosa R.</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this paper, the results obtained when monitoring the horizontal deformations of the soil mass are detailed, during each of the construction stages of several vertical shafts located in the soft soils of the Valley of Mexico, by means of the flotation method. From the analysis of these results, the magnitude and percentage relationship with respect to the diameter and depth of excavation of the horizontal deformations that occurred during the monitoring period is established. Based on the horizontal deformation monitoring system and the information provided by the supervisor's site log, the construction stages that have the greatest impact on deformations are established. Additionally, an analysis of the deformations is carried out, which takes into account the resistance and deformability characteristics of the excavated soils, as well as the prevailing hydraulic conditions. This work will allow construction engineers and institutions in charge of infrastructure works in the Valley of Mexico to establish permissible ranges for horizontal deformations that can occur in very soft and saturated soils, during the different construction stages; improving response protocols to potentially dangerous behaviors. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=vertical%20shaft" title="vertical shaft">vertical shaft</a>, <a href="https://publications.waset.org/abstracts/search?q=flotation%20method" title=" flotation method"> flotation method</a>, <a href="https://publications.waset.org/abstracts/search?q=very%20soft%20clays" title=" very soft clays"> very soft clays</a>, <a href="https://publications.waset.org/abstracts/search?q=construction%20supervision" title=" construction supervision"> construction supervision</a> </p> <a href="https://publications.waset.org/abstracts/137807/permissible-horizontal-displacements-during-the-construction-of-vertical-shafts-in-soft-soils-at-the-valley-of-mexico-case-history" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/137807.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">189</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">54</span> Diffraction-Based Immunosensor for Dengue NS1 Virus</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Harriet%20Jane%20R.%20Caleja">Harriet Jane R. Caleja</a>, <a href="https://publications.waset.org/abstracts/search?q=Joel%20I.%20Ballesteros"> Joel I. Ballesteros</a>, <a href="https://publications.waset.org/abstracts/search?q=Florian%20R.%20Del%20Mundo"> Florian R. Del Mundo</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The dengue fever belongs to the world’s major cause of death, especially in the tropical areas. In the Philippines, the number of dengue cases during the first half of 2015 amounted to more than 50,000. In 2012, the total number of cases of dengue infection reached 132,046 of which 701 patients died. Dengue Nonstructural 1 virus (Dengue NS1 virus) is a recently discovered biomarker for the early detection of dengue virus. It is present in the serum of the dengue virus infected patients even during the earliest stages prior to the formation of dengue virus antibodies. A biosensor for the dengue detection using NS1 virus was developed for faster and accurate diagnostic tool. Biotinylated anti-dengue virus NS1 was used as the receptor for dengue virus NS1. Using the Diffractive Optics Technology (dotTM) technique, real time binding of the NS1 virus to the biotinylated anti-NS1 antibody is observed. The dot®-Avidin sensor recognizes the biotinylated anti-NS1 and this served as the capture molecule to the analyte, NS1 virus. The increase in the signal of the diffractive intensity signifies the binding of the capture and the analyte. The LOD was found to be 3.87 ng/mL while the LOQ is 12.9 ng/mL. The developed biosensor was also found to be specific for the NS1 virus. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=avidin-biotin" title="avidin-biotin">avidin-biotin</a>, <a href="https://publications.waset.org/abstracts/search?q=diffractive%20optics%20technology" title=" diffractive optics technology"> diffractive optics technology</a>, <a href="https://publications.waset.org/abstracts/search?q=immunosensor" title=" immunosensor"> immunosensor</a>, <a href="https://publications.waset.org/abstracts/search?q=NS1" title=" NS1"> NS1</a> </p> <a href="https://publications.waset.org/abstracts/38525/diffraction-based-immunosensor-for-dengue-ns1-virus" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/38525.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">330</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">53</span> Moderate Electric Field Influence on Carotenoids Extraction Time from Heterochlorella luteoviridis</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=D%C3%A9bora%20P.%20Jaeschke">Débora P. Jaeschke</a>, <a href="https://publications.waset.org/abstracts/search?q=Eduardo%20A.%20Merlo"> Eduardo A. Merlo</a>, <a href="https://publications.waset.org/abstracts/search?q=Rosane%20Rech"> Rosane Rech</a>, <a href="https://publications.waset.org/abstracts/search?q=Giovana%20D.%20Mercali"> Giovana D. Mercali</a>, <a href="https://publications.waset.org/abstracts/search?q=Ligia%20D.%20F.%20Marczak"> Ligia D. F. Marczak</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Carotenoids are high value added pigments that can be alternatively extracted from some microalgae species. However, the application of carotenoids synthetized by microalgae is still limited due to the utilization of organic toxic solvents. In this context, studies involving alternative extraction methods have been conducted with more sustainable solvents to replace and reduce the solvent volume and the extraction time. The aim of the present work was to evaluate the extraction time of carotenoids from the microalgae Heterochlorella luteoviridis using moderate electric field (MEF) as a pre-treatment to the extraction. The extraction methodology consisted of a pre-treatment in the presence of MEF (180 V) and ethanol (25 %, v/v) for 10 min, followed by a diffusive step performed for 50 min using a higher ethanol concentration (75 %, v/v). The extraction experiments were conducted at 30 °C and, to keep the temperature at this value, it was used an extraction cell with a water jacket that was connected to a water bath. Also, to enable the evaluation of MEF effect on the extraction, control experiments were performed using the same cell and conditions without voltage application. During the extraction experiments, samples were withdrawn at 1, 5 and 10 min of the pre-treatment and at 1, 5, 30, 40 and 50 min of the diffusive step. Samples were, then, centrifuged and carotenoids analyses were performed in the supernatant. Furthermore, an exhaustive extraction with ethyl acetate and methanol was performed, and the carotenoids content found for this analyses was considered as the total carotenoids content of the microalgae. The results showed that the application of MEF as a pre-treatment to the extraction influenced the extraction yield and the extraction time during the diffusive step; after the MEF pre-treatment and 50 min of the diffusive step, it was possible to extract up to 60 % of the total carotenoids content. Also, results found for carotenoids concentration of the extracts withdrawn at 5 and 30 min of the diffusive step did not presented statistical difference, meaning that carotenoids diffusion occurs mainly in the very beginning of the extraction. On the other hand, the results for control experiments showed that carotenoids diffusion occurs mostly during 30 min of the diffusive step, which evidenced MEF effect on the extraction time. Moreover, carotenoids concentration on samples withdrawn during the pre-treatment (1, 5 and 10 min) were below the quantification limit of the analyses, indicating that the extraction occurred in the diffusive step, when ethanol (75 %, v/v) was added to the medium. It is possible that MEF promoted cell membrane permeabilization and, when ethanol (75 %) was added, carotenoids interacted with the solvent and the diffusion occurred easily. Based on the results, it is possible to infer that MEF promoted the decrease of carotenoids extraction time due to the increasing of the permeability of the cell membrane which facilitates the diffusion from the cell to the medium. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=moderate%20electric%20field%20%28MEF%29" title="moderate electric field (MEF)">moderate electric field (MEF)</a>, <a href="https://publications.waset.org/abstracts/search?q=pigments" title=" pigments"> pigments</a>, <a href="https://publications.waset.org/abstracts/search?q=microalgae" title=" microalgae"> microalgae</a>, <a href="https://publications.waset.org/abstracts/search?q=ethanol" title=" ethanol"> ethanol</a> </p> <a href="https://publications.waset.org/abstracts/71584/moderate-electric-field-influence-on-carotenoids-extraction-time-from-heterochlorella-luteoviridis" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/71584.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">463</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">52</span> Presenting Internals of Networks Using Bare Machine Technology</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Joel%20Weymouth">Joel Weymouth</a>, <a href="https://publications.waset.org/abstracts/search?q=Ramesh%20K.%20Karne"> Ramesh K. Karne</a>, <a href="https://publications.waset.org/abstracts/search?q=Alexander%20L.%20Wijesinha"> Alexander L. Wijesinha</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Bare Machine Internet is part of the Bare Machine Computing (BMC) paradigm. It is used in programming application ns to run directly on a device. It is software that runs directly against the hardware using CPU, Memory, and I/O. The software application runs without an Operating System and resident mass storage. An important part of the BMC paradigm is the Bare Machine Internet. It utilizes an Application Development model software that interfaces directly with the hardware on a network server and file server. Because it is “bare,” it is a powerful teaching and research tool that can readily display the internals of the network protocols, software, and hardware of the applications running on the Bare Server. It was also demonstrated that the bare server was accessible by laptop and by smartphone/android. The purpose was to show the further practicality of Bare Internet in Computer Engineering and Computer Science Education and Research. It was also to show that an undergraduate student could take advantage of a bare server with any device and any browser at any release version connected to the internet. This paper presents the Bare Web Server as an educational tool. We will discuss possible applications of this paradigm. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=bare%20machine%20computing" title="bare machine computing">bare machine computing</a>, <a href="https://publications.waset.org/abstracts/search?q=online%20research" title=" online research"> online research</a>, <a href="https://publications.waset.org/abstracts/search?q=network%20technology" title=" network technology"> network technology</a>, <a href="https://publications.waset.org/abstracts/search?q=visualizing%20network%20internals" title=" visualizing network internals"> visualizing network internals</a> </p> <a href="https://publications.waset.org/abstracts/142622/presenting-internals-of-networks-using-bare-machine-technology" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/142622.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">172</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">51</span> Structural Challenges, the Forgotten Elephant in the Quest of Access to Justice: The Case of the South African Labour and Labour Appeal Courts</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Carlos%20Joel%20Tchawouo%20Mbiada">Carlos Joel Tchawouo Mbiada</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper intends to refrain from debating the different meanings of justice, such as its social or moral meaning, nor to discuss the different theories of justice. This paper focuses on the legal understanding of access to justice to mean access to the court. Using the Labour and Labour Appeal Courts as a case study, this paper investigates whether the composition of the bench, the personnel and state mechanisms to promote access to court offer ideal conditions to access to court. The investigation is benchmarked against the South African new constitutional order underpinned by the concept of social justice to eradicate past injustices. To provide justice to all, the Constitution of the Republic of South Africa 1996 guarantees the right to access to the court. The question that takes centre stage in this paper is whether litigants are denied the right to access the Labour and Labour Appeal Courts. The paper argues that factors such as the status of the Labour and Labour Appeal Courts, the number of judges, and the building structure prevent litigants from accessing these courts. The paper advocates for a legislative overhaul of the Labour and Labour Appeal Courts structure so that litigants may access the courts. Until such time, the paper argues that the right to access the Labour and Labour Appeal Courts would remain far from the reach of many litigants. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=access%20to%20justice" title="access to justice">access to justice</a>, <a href="https://publications.waset.org/abstracts/search?q=access%20to%20court" title=" access to court"> access to court</a>, <a href="https://publications.waset.org/abstracts/search?q=labour%20court" title=" labour court"> labour court</a>, <a href="https://publications.waset.org/abstracts/search?q=labour%20appeal%20court" title=" labour appeal court"> labour appeal court</a> </p> <a href="https://publications.waset.org/abstracts/167777/structural-challenges-the-forgotten-elephant-in-the-quest-of-access-to-justice-the-case-of-the-south-african-labour-and-labour-appeal-courts" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/167777.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">87</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">50</span> An Improved Image Steganography Technique Based on Least Significant Bit Insertion</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Olaiya%20Folorunsho">Olaiya Folorunsho</a>, <a href="https://publications.waset.org/abstracts/search?q=Comfort%20Y.%20Daramola"> Comfort Y. Daramola</a>, <a href="https://publications.waset.org/abstracts/search?q=Joel%20N.%20Ugwu"> Joel N. Ugwu</a>, <a href="https://publications.waset.org/abstracts/search?q=Lawrence%20B.%20Adewole"> Lawrence B. Adewole</a>, <a href="https://publications.waset.org/abstracts/search?q=Olufisayo%20S.%20Ekundayo"> Olufisayo S. Ekundayo</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In today world, there is a tremendous rise in the usage of internet due to the fact that almost all the communication and information sharing is done over the web. Conversely, there is a continuous growth of unauthorized access to confidential data. This has posed a challenge to information security expertise whose major goal is to curtail the menace. One of the approaches to secure the safety delivery of data/information to the rightful destination without any modification is steganography. Steganography is the art of hiding information inside an embedded information. This research paper aimed at designing a secured algorithm with the use of image steganographic technique that makes use of Least Significant Bit (LSB) algorithm for embedding the data into the bit map image (bmp) in order to enhance security and reliability. In the LSB approach, the basic idea is to replace the LSB of the pixels of the cover image with the Bits of the messages to be hidden without destroying the property of the cover image significantly. The system was implemented using C# programming language of Microsoft.NET framework. The performance evaluation of the proposed system was experimented by conducting a benchmarking test for analyzing the parameters like Mean Squared Error (MSE) and Peak Signal to Noise Ratio (PSNR). The result showed that image steganography performed considerably in securing data hiding and information transmission over the networks. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=steganography" title="steganography">steganography</a>, <a href="https://publications.waset.org/abstracts/search?q=image%20steganography" title=" image steganography"> image steganography</a>, <a href="https://publications.waset.org/abstracts/search?q=least%20significant%20bits" title=" least significant bits"> least significant bits</a>, <a href="https://publications.waset.org/abstracts/search?q=bit%20map%20image" title=" bit map image"> bit map image</a> </p> <a href="https://publications.waset.org/abstracts/57080/an-improved-image-steganography-technique-based-on-least-significant-bit-insertion" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/57080.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">266</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">49</span> Strength Properties of Concrete Paving Blocks with Fly Ash and Glass Powder</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Joel%20Santhosh">Joel Santhosh</a>, <a href="https://publications.waset.org/abstracts/search?q=N.%20Bhavani%20Shankar%20Rao"> N. Bhavani Shankar Rao</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Problems associated with construction site have been known for many years. Construction industry has to support a world of continuing population growth and economic development. The rising costs of construction materials and the need to adhere to sustainability, alternative construction techniques and materials are being sought. To increase the applications of concrete paving blocks, greater understanding of products produced with locally available materials and indigenously produced mineral admixtures is essential. In the present investigation, concrete paving blocks may be produced with locally available aggregates, cement, fly ash and waste glass powder as the mineral admixture. The ultimate aim of this work is to ascertain the performance of concrete paving blocks containing fly ash and glass powder and compare it with the performance of conventional concrete paving blocks. Mix design is carried out to form M40 grade of concrete by using IS: 10262: 2009 and specification given by IRC: SP: 63: 2004. The paving blocks are tested in accordance to IS: 15658: 2006. It showed that the partial replacement of cement by fly ash and waste glass powder satisfies the minimum requirement as specified by the Indian standard IS: 15658: 2006 for concrete paving blocks to be used in non traffic, light traffic and medium-heavy traffic areas. The study indicated that fly ash and waste glass powder can effectively be used as cement replacement without substantial change in strength. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=paving%20block" title="paving block">paving block</a>, <a href="https://publications.waset.org/abstracts/search?q=fly%20ash" title=" fly ash"> fly ash</a>, <a href="https://publications.waset.org/abstracts/search?q=glass%20powder" title=" glass powder"> glass powder</a>, <a href="https://publications.waset.org/abstracts/search?q=strength" title=" strength"> strength</a>, <a href="https://publications.waset.org/abstracts/search?q=abrasion%20resistance" title=" abrasion resistance"> abrasion resistance</a>, <a href="https://publications.waset.org/abstracts/search?q=durability" title=" durability"> durability</a> </p> <a href="https://publications.waset.org/abstracts/17008/strength-properties-of-concrete-paving-blocks-with-fly-ash-and-glass-powder" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/17008.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">299</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">48</span> Using SMS Mobile Technology to Assess the Mastery of Subject Content Knowledge of Science and Mathematics Teachers of Secondary Schools in Tanzania</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Joel%20S.%20Mtebe">Joel S. Mtebe</a>, <a href="https://publications.waset.org/abstracts/search?q=Aron%20Kondoro"> Aron Kondoro</a>, <a href="https://publications.waset.org/abstracts/search?q=Mussa%20M.%20Kissaka"> Mussa M. Kissaka</a>, <a href="https://publications.waset.org/abstracts/search?q=Elia%20Kibga"> Elia Kibga</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Sub-Saharan Africa is described as the second fastest growing mobile phone penetration in the world more than in the United States or the European Union. Mobile phones have been used to provide a lot of opportunities to improve people’s lives in the region such as in banking, marketing, entertainment, and paying various bills such as water, TV, and electricity. However, the potential of using mobile phones to enhance teaching and learning has not been explored. This study presents an experience of developing and delivering SMS quizzes questions that were used to assess mastery of the subject content knowledge of science and mathematics secondary school teachers in Tanzania. The SMS quizzes were used as a follow up support mechanism to 500 teachers who participated in a project to upgrade subject content knowledge of science and mathematics subjects. Quizzes of 10-15 questions were sent to teachers each week for 8 weeks and the results were analyzed using SPSS. The results showed that chemistry and biology had better performance compared to mathematics and physics. Teachers reported some challenges that led to poor performance, invalid answers, and non-responses and they are presented. This research has several practical implications for those who are implementing or planning to use mobile phones for teaching and learning especially in rural secondary schools in sub-Saharan Africa. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=mobile%20learning" title="mobile learning">mobile learning</a>, <a href="https://publications.waset.org/abstracts/search?q=elearning" title=" elearning"> elearning</a>, <a href="https://publications.waset.org/abstracts/search?q=educational%20technolgies" title=" educational technolgies"> educational technolgies</a>, <a href="https://publications.waset.org/abstracts/search?q=SMS" title=" SMS"> SMS</a>, <a href="https://publications.waset.org/abstracts/search?q=secondary%20education" title=" secondary education"> secondary education</a>, <a href="https://publications.waset.org/abstracts/search?q=assessment" title=" assessment"> assessment</a> </p> <a href="https://publications.waset.org/abstracts/37932/using-sms-mobile-technology-to-assess-the-mastery-of-subject-content-knowledge-of-science-and-mathematics-teachers-of-secondary-schools-in-tanzania" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/37932.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">283</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">47</span> Flood Hazard and Risk Mapping to Assess Ice-Jam Flood Mitigation Measures</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Karl-Erich%20Lindenschmidt">Karl-Erich Lindenschmidt</a>, <a href="https://publications.waset.org/abstracts/search?q=Apurba%20Das"> Apurba Das</a>, <a href="https://publications.waset.org/abstracts/search?q=Joel%20Trudell"> Joel Trudell</a>, <a href="https://publications.waset.org/abstracts/search?q=Keanne%20Russell"> Keanne Russell</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this presentation, we explore options for mitigating ice-jam flooding along the Athabasca River in western Canada. Not only flood hazard, expressed in this case as the probability of flood depths and extents being exceeded, but also flood risk, in which annual expected damages are calculated. Flood risk is calculated, which allows a cost-benefit analysis to be made so that decisions on the best mitigation options are not based solely on flood hazard but also on the costs related to flood damages and the benefits of mitigation. The river ice model is used to simulate extreme ice-jam flood events with which scenarios are run to determine flood exposure and damages in flood-prone areas along the river. We will concentrate on three mitigation options – the placement of a dike, artificial breakage of the ice cover along the river, the installation of an ice-control structure, and the construction of a reservoir. However, any mitigation option is not totally failsafe. For example, dikes can still be overtopped and breached, and ice jams may still occur in areas of the river where ice covers have been artificially broken up. Hence, for all options, it is recommended that zoning of building developments away from greater flood hazard areas be upheld. Flood mitigation can have a negative effect of giving inhabitants a false sense of security that flooding may not happen again, leading to zoning policies being relaxed. (Text adapted from Lindenschmidt [2022] "Ice Destabilization Study - Phase 2", submitted to the Regional Municipality of Wood Buffalo, Alberta, Canada) <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=ice%20jam" title="ice jam">ice jam</a>, <a href="https://publications.waset.org/abstracts/search?q=flood%20hazard" title=" flood hazard"> flood hazard</a>, <a href="https://publications.waset.org/abstracts/search?q=flood%20risk%20river%20ice%20modelling" title=" flood risk river ice modelling"> flood risk river ice modelling</a>, <a href="https://publications.waset.org/abstracts/search?q=flood%20risk" title=" flood risk"> flood risk</a> </p> <a href="https://publications.waset.org/abstracts/147292/flood-hazard-and-risk-mapping-to-assess-ice-jam-flood-mitigation-measures" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/147292.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">185</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">46</span> Suicide Intervention Experiences and Practices of School Counselors: Basis for Development of Practice Guidelines</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Joel%20C.%20Navarez">Joel C. Navarez</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The current study investigated the Filipino school counselor’s knowledge, attitudes, and competencies in suicide intervention as well as their experiences and practices in suicide intervention. The study also aimed to develop and standardize suicide intervention guidelines. The study has two (2) phases. Phase 1 utilized the descriptive and generic qualitative inquiry methods of research. Purposive and convenience sampling was applied, and participants were college counselors from the National Capital Region (NCR), Luzon, Visayas, and Mindanao. Results revealed that counselors do not have high level of knowledge on suicidal behaviors, have some negative attitudes toward suicidal behavior, and need to acquire better intervention skills. The findings also showed that the trainings received by counselors are not enough to advance their suicide intervention skills, which would help enhance positive attitudes towards suicide risk assessment and management. Some common experiences of the counselors in suicide intervention were focused on the areas of accountability, stigmatizing attitudes of parents, and confidentiality issues. Phase 2 of the study was the development of suicide intervention practice guidelines using the Delphi process. The tentative guideline was based on the content analysis of interventions taken from literature and from the actual intervention practices of counselors, as seen from the findings of the qualitative study of Phase 1. After three (3) Delphi rounds and the consensus from sixteen (16) mental health experts, 145 recommended actions can be implemented by school counselors in suicide. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=counselor%20competencies" title="counselor competencies">counselor competencies</a>, <a href="https://publications.waset.org/abstracts/search?q=counselor%20development" title=" counselor development"> counselor development</a>, <a href="https://publications.waset.org/abstracts/search?q=suicide" title=" suicide"> suicide</a>, <a href="https://publications.waset.org/abstracts/search?q=suicide%20intervention" title=" suicide intervention"> suicide intervention</a> </p> <a href="https://publications.waset.org/abstracts/117643/suicide-intervention-experiences-and-practices-of-school-counselors-basis-for-development-of-practice-guidelines" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/117643.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">159</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">45</span> Physiological and Reproductive Changes in Honey Bee Female Castes Following Direct Colony Exposure to Pesticides</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Valizadeh%20Gever%20Bita">Valizadeh Gever Bita</a>, <a href="https://publications.waset.org/abstracts/search?q=Joel%20Caren"> Joel Caren</a>, <a href="https://publications.waset.org/abstracts/search?q=Louisa%20Huand"> Louisa Huand</a>, <a href="https://publications.waset.org/abstracts/search?q=Yu-Cheng%20Zhu"> Yu-Cheng Zhu</a>, <a href="https://publications.waset.org/abstracts/search?q=Esmaeil%20Amiri"> Esmaeil Amiri</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Within a honey bee colony, queen is the sole reproducer of fertilized eggs, while queens are safeguarded by worker bees, trophallactic behavior and food sharing activities could expose them to agrochemicals. Here, we assessed the effects of three widely used pesticides—Acephate, Bifenthrin, and Chlorantraniliprole— on worker bees, to investigate indirect effects on the physiology and reproductive traits of queens as well as the eggs they produce. Using RT-qPCR we measured the expression of several detoxification and immune genes in adult worker bees, queens, and freshly laid eggs after pesticide exposure. These analyses aimed to elucidate the physiological changes in queens and potential transgenerational effects. While no significant changes in reproductive traits were observed following Chlorantraniliprole and Bifenthrin exposure, Acephate caused adverse effects on egg size, egg-laying activity, and queen weight. The expression of detoxification, immune and antioxidant-related genes in workers, queens and freshly laid eggs changed over time in response to these pesticides. The results of this investigation revealed that pesticides can cause negative impact on queen physiology and reproduction indirectly through their effects on exposed worker bees. These effects can potentially extend to the next generation of honey bees. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=apis%20mellifera" title="apis mellifera">apis mellifera</a>, <a href="https://publications.waset.org/abstracts/search?q=egg%20laying" title=" egg laying"> egg laying</a>, <a href="https://publications.waset.org/abstracts/search?q=detoxification%20enzymes" title=" detoxification enzymes"> detoxification enzymes</a>, <a href="https://publications.waset.org/abstracts/search?q=gene%20expression" title=" gene expression"> gene expression</a>, <a href="https://publications.waset.org/abstracts/search?q=honey%20bee%20queen" title=" honey bee queen"> honey bee queen</a> </p> <a href="https://publications.waset.org/abstracts/176760/physiological-and-reproductive-changes-in-honey-bee-female-castes-following-direct-colony-exposure-to-pesticides" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/176760.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">66</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">44</span> Influence of Information Technology on Financial Management Practices in Secondary School: For National Transormation in Zone C Senatorional District of Benue State</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Eru%20Ihie%20Joel">Eru Ihie Joel</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This study was carried out to investigate the influence of information technology on financial management practice in secondary schools for transformation. In Zone C Senatorial District of Benue state. The study answered four research questions and tested four hypotheses. Related literature was reviewed to show the gap to be filled in the study. The population was 196 respondents made up of principals and finance clerks of secondary schools. The descriptive survey was adopted for the study. A structured 20 item questionnaire (IITFMPSQ) was constructed and used to collect date for the study. Data obtained were analyzed using descriptive and inferential statistic. Mean and standard deviation were used to analyze the research question while the chi- square (x2) test of goodness of fit was used to test the hypothesis. The major findings revealed that the use of computer system significantly influences budgeting in secondary schools in zone senatorial district of Benue State for transformation. It was also established that the use of internet facilities influences the funding of secondary schools for transformation in the zone. Based on the findings of the study, it was recommended among other things that administrators and teachers in schools should be trained to make effective use of the computer in budgeting so as to facilitate delegations, control, evaluation, accountability for transformation. It was further suggested that the study be replicated on the effective use of information communication teaching (ITC) in teaching and learning in secondary school for transformation. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=influence" title="influence">influence</a>, <a href="https://publications.waset.org/abstracts/search?q=finance" title=" finance"> finance</a>, <a href="https://publications.waset.org/abstracts/search?q=management" title=" management"> management</a>, <a href="https://publications.waset.org/abstracts/search?q=technology" title=" technology"> technology</a> </p> <a href="https://publications.waset.org/abstracts/39229/influence-of-information-technology-on-financial-management-practices-in-secondary-school-for-national-transormation-in-zone-c-senatorional-district-of-benue-state" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/39229.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">363</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">43</span> Sustainable Project Management Necessarily Implemented in the Chinese Wine Market Due to Climate Variation</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ruixin%20Zhang">Ruixin Zhang</a>, <a href="https://publications.waset.org/abstracts/search?q=Joel%20Carboni"> Joel Carboni</a>, <a href="https://publications.waset.org/abstracts/search?q=Songchenchen%20Gong"> Songchenchen Gong</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Since the Sustainable Development Goals (SDGs) officially became the 17 development goals set by the United Nations in 2015, it has become an inevitable trend in project management development globally. Since Sustainability and glob-alization are the main focus and trends in the 21st century, project management contains system-based optimization, and or-ganizational humanities, environmental protection, and economic development. As a populous country globally, with the advanced development of economy and technology, China becomes one of the biggest markets in the wine industry. However, the develop-ment of society also brings specific environmental issues. Climate changes have already brought severe impacts on the Chinese wine market, including consumer behavior, wine production activities, and organizational humanities. Therefore, the implementation of sustainable project management in Chinese wine market is essential. Surveys based analysis is the primary method to interpret how the climate variation effect the Chinese wine market and the importance of sustainable project management implementation for green market growth in China. This paper proposes the CWW Conceptual model that can be used in the wine industry, the new 7 Drivers Model, and SPM Framework to interpret the main drivers that impact project management implementation in the wine industry and to offer the directions to wine companies in China which would help them to achieve the green growth. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=project%20management" title="project management">project management</a>, <a href="https://publications.waset.org/abstracts/search?q=sustainability" title=" sustainability"> sustainability</a>, <a href="https://publications.waset.org/abstracts/search?q=green%20growth" title=" green growth"> green growth</a>, <a href="https://publications.waset.org/abstracts/search?q=climate%20changes" title=" climate changes"> climate changes</a>, <a href="https://publications.waset.org/abstracts/search?q=Chinese%20wine%20market" title=" Chinese wine market"> Chinese wine market</a> </p> <a href="https://publications.waset.org/abstracts/133100/sustainable-project-management-necessarily-implemented-in-the-chinese-wine-market-due-to-climate-variation" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/133100.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">127</span> </span> </div> </div> <ul class="pagination"> <li class="page-item disabled"><span class="page-link">&lsaquo;</span></li> <li class="page-item active"><span class="page-link">1</span></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=Joel%20Rech&page=2">2</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=Joel%20Rech&page=3">3</a></li> <li class="page-item"><a class="page-link" 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