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Moreira</title> <meta name="description" content="Search results for: César M. Moreira"> <meta name="keywords" content="César M. Moreira"> <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="César M. 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Moreira"> <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> 130</div> </div> </div> </div> <h1 class="mt-3 mb-3 text-center" style="font-size:1.6rem;">Search results for: César M. Moreira</h1> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">130</span> Design and Construction of a Solar Mobile Anaerobic Digestor for Rural Communities</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=C%C3%A9sar%20M.%20Moreira">César M. Moreira</a>, <a href="https://publications.waset.org/abstracts/search?q=Marco%20A.%20Pazmi%C3%B1o-Hern%C3%A1ndez"> Marco A. Pazmiño-Hernández</a>, <a href="https://publications.waset.org/abstracts/search?q=Marco%20A.%20Pazmi%C3%B1o-Barreno"> Marco A. Pazmiño-Barreno</a>, <a href="https://publications.waset.org/abstracts/search?q=Kyle%20Griffin"> Kyle Griffin</a>, <a href="https://publications.waset.org/abstracts/search?q=Pratap%20Pullammanappallil"> Pratap Pullammanappallil</a> </p> <p class="card-text"><strong>Abstract:</strong></p> An anaerobic digestion system that was completely operated on solar power (both photovoltaic and solar thermal energy), and mounted on a trailer to make it mobile, was designed and constructed. A 55-gallon batch digester was placed within a chamber that was heated by hot water pumped through a radiator. Hot water was produced by a solar thermal collector and photovoltaic panels charged a battery which operated pumps for recirculating water. It was found that the temperature in the heating chamber was maintained above ambient temperature but it follows the same trend as ambient temperature. The temperature difference between the chamber and ambient values was not constant but varied with time of day. Advantageously, the temperature difference was highest during night and early morning and lowest near noon. In winter, when ambient temperature dipped to 2 °C during early morning hours, the chamber temperature did not drop below 10 °C. Model simulations showed that even if the digester is subjected to diurnal variations of temperature (as observed in winter of a subtropical region), about 63 % of the waste that would have been processed under constant digester temperature of 38 °C, can still be processed. The cost of the digester system without the trailer was $1,800. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=anaerobic%20digestion" title="anaerobic digestion">anaerobic digestion</a>, <a href="https://publications.waset.org/abstracts/search?q=solar-mobile" title=" solar-mobile"> solar-mobile</a>, <a href="https://publications.waset.org/abstracts/search?q=rural%20communities" title=" rural communities"> rural communities</a>, <a href="https://publications.waset.org/abstracts/search?q=solar" title=" solar"> solar</a>, <a href="https://publications.waset.org/abstracts/search?q=hybrid" title=" hybrid"> hybrid</a> </p> <a href="https://publications.waset.org/abstracts/75513/design-and-construction-of-a-solar-mobile-anaerobic-digestor-for-rural-communities" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/75513.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">274</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">129</span> Ensuring Consistency under the Snapshot Isolation</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Carlos%20Roberto%20Val%C3%AAncio">Carlos Roberto Valêncio</a>, <a href="https://publications.waset.org/abstracts/search?q=F%C3%A1bio%20Renato%20de%20Almeida"> Fábio Renato de Almeida</a>, <a href="https://publications.waset.org/abstracts/search?q=Thatiane%20Kawabata"> Thatiane Kawabata</a>, <a href="https://publications.waset.org/abstracts/search?q=Leandro%20Alves%20Neves"> Leandro Alves Neves</a>, <a href="https://publications.waset.org/abstracts/search?q=Julio%20Cesar%20Momente"> Julio Cesar Momente</a>, <a href="https://publications.waset.org/abstracts/search?q=Mario%20Luiz%20Tronco"> Mario Luiz Tronco</a>, <a href="https://publications.waset.org/abstracts/search?q=Angelo%20Cesar%20Colombini"> Angelo Cesar Colombini</a> </p> <p class="card-text"><strong>Abstract:</strong></p> By running transactions under the Snapshot isolation we can achieve a good level of concurrency, specially in databases with high-intensive read workloads. However, Snapshot is not immune to all the problems that arise from competing transactions and therefore no serialization warranty exists. We propose in this paper a technique to obtain data consistency with Snapshot by using some special triggers that we named Daemon Triggers. Besides keeping the benefits of the Snapshot isolation, the technique is specially useful for those database systems that do not have an isolation level that ensures serializability, like Firebird and Oracle. We describe all the anomalies that might arise when using the Snapshot isolation and show how to preclude them with Daemon Triggers. Based on the methodology presented here, it is also proposed the creation of a new isolation level: Daemon Snapshot. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=data%20consistency" title="data consistency">data consistency</a>, <a href="https://publications.waset.org/abstracts/search?q=serialization" title=" serialization"> serialization</a>, <a href="https://publications.waset.org/abstracts/search?q=snapshot" title=" snapshot"> snapshot</a>, <a href="https://publications.waset.org/abstracts/search?q=isolation" title=" isolation"> isolation</a> </p> <a href="https://publications.waset.org/abstracts/10560/ensuring-consistency-under-the-snapshot-isolation" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/10560.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">329</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">128</span> Finite Element Modeling of the Mechanical Behavior of Municipal Solid Waste Incineration Bottom Ash with the Mohr-Coulomb Model</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Le%20Ngoc%20Hung">Le Ngoc Hung</a>, <a href="https://publications.waset.org/abstracts/search?q=Abriak%20Nor%20Edine"> Abriak Nor Edine</a>, <a href="https://publications.waset.org/abstracts/search?q=Binetruy%20Christophe"> Binetruy Christophe</a>, <a href="https://publications.waset.org/abstracts/search?q=Benzerzour%20Mahfoud"> Benzerzour Mahfoud</a>, <a href="https://publications.waset.org/abstracts/search?q=Shahrour%20Isam"> Shahrour Isam</a>, <a href="https://publications.waset.org/abstracts/search?q=Patrice%20Rivard"> Patrice Rivard</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Bottom ash from Municipal Solid Waste Incineration (MSWI) can be viewed as a typical granular material because these industrial by-products result from the incineration of various domestic wastes. MSWI bottom ashes are mainly used in road engineering in substitution of the traditional natural aggregates. As the characterization of their mechanical behavior is essential in order to use them, specific studies have been led over the past few years. In the first part of this paper, the mechanical behavior of MSWI bottom ash is studied with triaxial tests. After analysis of the experiment results, the simulation of triaxial tests is carried out by using the software package CESAR-LCPC. As the first approach in modeling of this new class material, the Mohr-Coulomb model was chosen to describe the evolution of material under the influence of external mechanical actions. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=bottom%20ash" title="bottom ash">bottom ash</a>, <a href="https://publications.waset.org/abstracts/search?q=granular%20material" title=" granular material"> granular material</a>, <a href="https://publications.waset.org/abstracts/search?q=triaxial%20test" title=" triaxial test"> triaxial test</a>, <a href="https://publications.waset.org/abstracts/search?q=mechanical%20behavior" title=" mechanical behavior"> mechanical behavior</a>, <a href="https://publications.waset.org/abstracts/search?q=simulation" title=" simulation"> simulation</a>, <a href="https://publications.waset.org/abstracts/search?q=Mohr-Coulomb%20model" title=" Mohr-Coulomb model"> Mohr-Coulomb model</a>, <a href="https://publications.waset.org/abstracts/search?q=CESAR-LCPC" title=" CESAR-LCPC"> CESAR-LCPC</a> </p> <a href="https://publications.waset.org/abstracts/36317/finite-element-modeling-of-the-mechanical-behavior-of-municipal-solid-waste-incineration-bottom-ash-with-the-mohr-coulomb-model" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/36317.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">313</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">127</span> Scaling out Sustainable Land Use Systems in Colombia: Some Insights and Implications from Two Regional Case Studies </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Martha%20Lilia%20Del%20Rio%20Duque">Martha Lilia Del Rio Duque</a>, <a href="https://publications.waset.org/abstracts/search?q=Michelle%20Bonatti"> Michelle Bonatti</a>, <a href="https://publications.waset.org/abstracts/search?q=Katharina%20Loehr"> Katharina Loehr</a>, <a href="https://publications.waset.org/abstracts/search?q=Marcos%20Lana"> Marcos Lana</a>, <a href="https://publications.waset.org/abstracts/search?q=Tatiana%20Rodriguez"> Tatiana Rodriguez</a>, <a href="https://publications.waset.org/abstracts/search?q=Stefan%20Sieber"> Stefan Sieber</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Nowadays, most agricultural practices can reduce the ability of ecosystems to provide goods and services. To enhance environmentally friendly food production and to maximize social and economic benefits, sustainable land use systems (SLUS) are one of the most critical strategies increasingly/strongly promoted by donors organizations, international agencies, and policymakers. This process involves the question of how SLUS can be scaled out also large-scale landscapes and not merely isolated experiments. As SLUS are context-specific strategies, diffusion and replication of successful SLUS in Colombia required the identification of main factors that facilitate this scaling out process. We applied a case study approach to investigate the scaling out process of SLUS in cocoa and livestock sector within peacebuilding territories in Colombia, specifically, in Cesar and Caqueta region. These two regions are contrasting, but both have a current trend of increasing land degradation. Presently in Colombia, Caqueta is one of the most deforested departments, and Cesar has some most degraded soils. Following a qualitative research approach, 19 semi-structured interviews and 2 focus groups were conducted with agroforestry experts in both regions to analyze (1) what does it mean a sustainable land use system in Cocoa/Livestock, specifically in Caqueta or Cesar and (2) to identify the key elements at the level of the following dimensions: biophysical, economic and profitability, market, social, policy and institutions that can explain how and why SLUS are replicated and spread among more producers. The Interviews were coded and analyzed using MAXQDA to identify, analyze and report patterns (themes) within data. As the results show, key themes, among which: premium market, solid regional markets and price stability, water availability and management, generational renewal, land use knowledge and diversification, producer organization and certifications are crucial to understand how the SLUS can have an impact across large-scale landscapes and how the scaling out process can be set up best in order to be successful across different contexts. The analysis further reveals which key factors might affect SLUS efficiency. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=agroforestry" title="agroforestry">agroforestry</a>, <a href="https://publications.waset.org/abstracts/search?q=cocoa%20sector" title=" cocoa sector"> cocoa sector</a>, <a href="https://publications.waset.org/abstracts/search?q=Colombia" title=" Colombia"> Colombia</a>, <a href="https://publications.waset.org/abstracts/search?q=livestock%20sector" title=" livestock sector"> livestock sector</a>, <a href="https://publications.waset.org/abstracts/search?q=sustainable%20land%20use%20system" title=" sustainable land use system"> sustainable land use system</a> </p> <a href="https://publications.waset.org/abstracts/129873/scaling-out-sustainable-land-use-systems-in-colombia-some-insights-and-implications-from-two-regional-case-studies" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/129873.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">160</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">126</span> Collection, Cryopreservation, and Fertilizing Potential of Bovine Spermatozoa Collected from the Epididymis Evaluated by Conventional Techniques and by Flow Cytometry</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=M.%20H.%20Moreira%20da%20Silva">M. H. Moreira da Silva</a>, <a href="https://publications.waset.org/abstracts/search?q=L.%20Valadao"> L. Valadao</a>, <a href="https://publications.waset.org/abstracts/search?q=F.%20Moreira%20da%20Silva"> F. Moreira da Silva</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In the present study, the fertilizing capacity of bovine spermatozoa was evaluated before and after its cryopreservation. For this, the testicles of 100 bulls slaughtered on Terceira Island were dissected, the epididymal tails were separated, and semen was recovered by the flotation method and then evaluated by phase contrast microscopy and by flow cytometry. For phase contrast microscopy, a drop of semen was used to evaluate the percentage of motile spermatozoa (from 0 to 100%) and motility (from 0 to 5). After determining the concentration and the abnormal forms, semen was diluted to a final concentration of 50 x 106 spz/ml and evaluated by flow cytometer for membrane and acrosome integrity using the conjugation of fluorescent probes propidium iodide (PI) and Arachis hypogea agglutinin (FITC-PNA). Freezing was carried out in a programmable semen freezer, using 0.25 ml straws, in a total of 20 x 106 viable sperm per straw with glycerol as a cryoprotectant in a final concentration of 0.58 M. It was observed that, on average, a total of 7.25 ml of semen was collected from each bull. The viability and vitality rates were respectively 83.22 ± 7.52% and 3.8 ± 0.4 before freezing, decreasing to 58.81 ± 11.99% and 3.6 ± 0.6, respectively, after thawing. Regarding cytoplasmic droplets, it was observed that a high percentage of spermatozoa had medial cytoplasmic droplets (38.47%), with only 3.32% and 0.15% presenting proximal and distal cytoplasmic drops, respectively. By flow cytometry, it was observed that before freezing, the percentage of sperm with the damaged plasma membrane and intact acrosome was 3.61 ± 0.99%, increasing slightly to 4.21 ± 1.86% after cryopreservation (p<0.05). Regarding spermatozoa with damaged plasma membrane and acrosome, the percentage before freezing was 3.37±1.87%, increasing to 4.34 ±1.16% after thawing, and no significant differences were observed between these two values. For the percentage of sperm with the intact plasma membrane and damaged acrosome, this value was 2.04 ± 2.34% before freezing, decreasing to 0.89 ± 0.48% after thawing (p<0.05). The percentage of sperm with the intact plasma membrane and acrosome before freezing was 90.99±2.75%, with a slight decrease to 90.57±3.15% after thawing (p<0.05). From this study, it can be clearly concluded that, after the slaughtering of bulls, the spermatozoa can be recovered from the epididymis and cryopreserved, maintaining an excellent rate of sperm viability and quality after thawing. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=bovine%20semen" title="bovine semen">bovine semen</a>, <a href="https://publications.waset.org/abstracts/search?q=epididymis" title=" epididymis"> epididymis</a>, <a href="https://publications.waset.org/abstracts/search?q=cryopreservation" title=" cryopreservation"> cryopreservation</a>, <a href="https://publications.waset.org/abstracts/search?q=fertility%20assessment" title=" fertility assessment"> fertility assessment</a> </p> <a href="https://publications.waset.org/abstracts/158029/collection-cryopreservation-and-fertilizing-potential-of-bovine-spermatozoa-collected-from-the-epididymis-evaluated-by-conventional-techniques-and-by-flow-cytometry" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/158029.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">90</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">125</span> Using Wavelet Uncertainty Relations in Quantum Mechanics: From Trajectories Foam to Newtonian Determinism</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Paulo%20Castro">Paulo Castro</a>, <a href="https://publications.waset.org/abstracts/search?q=J.%20R.%20Croca"> J. R. Croca</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20Gatta"> M. Gatta</a>, <a href="https://publications.waset.org/abstracts/search?q=R.%20Moreira"> R. Moreira</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Owing to the development of quantum mechanics, we will contextualize the foundations of the theory on the Fourier analysis framework, thus stating the unavoidable philosophical conclusions drawn by Niels Bohr. We will then introduce an alternative way of describing the undulatory aspects of quantum entities by using gaussian Morlet wavelets. The description has its roots in de Broglie's realistic program for quantum physics. It so happens that using wavelets it is possible to formulate a more general set of uncertainty relations. A set from which it is possible to theoretically describe both ends of the behavioral spectrum in reality: the indeterministic quantum trajectorial foam and the perfectly drawn Newtonian trajectories. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=philosophy%20of%20quantum%20mechanics" title="philosophy of quantum mechanics">philosophy of quantum mechanics</a>, <a href="https://publications.waset.org/abstracts/search?q=quantum%20realism" title=" quantum realism"> quantum realism</a>, <a href="https://publications.waset.org/abstracts/search?q=morlet%20wavelets" title=" morlet wavelets"> morlet wavelets</a>, <a href="https://publications.waset.org/abstracts/search?q=uncertainty%20relations" title=" uncertainty relations"> uncertainty relations</a>, <a href="https://publications.waset.org/abstracts/search?q=determinism" title=" determinism"> determinism</a> </p> <a href="https://publications.waset.org/abstracts/144113/using-wavelet-uncertainty-relations-in-quantum-mechanics-from-trajectories-foam-to-newtonian-determinism" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/144113.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">171</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">124</span> Educase–Intelligent System for Pedagogical Advising Using Case-Based Reasoning</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Elionai%20Moura">Elionai Moura</a>, <a href="https://publications.waset.org/abstracts/search?q=Jos%C3%A9%20A.%20Cunha"> José A. Cunha</a>, <a href="https://publications.waset.org/abstracts/search?q=C%C3%A9sar%20Analide"> César Analide</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This work introduces a proposal scheme for an Intelligent System applied to Pedagogical Advising using Case-Based Reasoning, to find consolidated solutions before used for the new problems, making easier the task of advising students to the pedagogical staff. We do intend, through this work, introduce the motivation behind the choices for this system structure, justifying the development of an incremental and smart web system who learns bests solutions for new cases when it’s used, showing technics and technology. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=case-based%20reasoning" title="case-based reasoning">case-based reasoning</a>, <a href="https://publications.waset.org/abstracts/search?q=pedagogical%20advising" title=" pedagogical advising"> pedagogical advising</a>, <a href="https://publications.waset.org/abstracts/search?q=educational%20data-mining%20%28EDM%29" title=" educational data-mining (EDM)"> educational data-mining (EDM)</a>, <a href="https://publications.waset.org/abstracts/search?q=machine%20learning" title=" machine learning"> machine learning</a> </p> <a href="https://publications.waset.org/abstracts/27352/educase-intelligent-system-for-pedagogical-advising-using-case-based-reasoning" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/27352.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">421</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">123</span> A Video Surveillance System Using an Ensemble of Simple Neural Network Classifiers</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Rodrigo%20S.%20Moreira">Rodrigo S. Moreira</a>, <a href="https://publications.waset.org/abstracts/search?q=Nelson%20F.%20F.%20Ebecken"> Nelson F. F. Ebecken</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper proposes a maritime vessel tracker composed of an ensemble of WiSARD weightless neural network classifiers. A failure detector analyzes vessel movement with a Kalman filter and corrects the tracking, if necessary, using FFT matching. The use of the WiSARD neural network to track objects is uncommon. The additional contributions of the present study include a performance comparison with four state-of-art trackers, an experimental study of the features that improve maritime vessel tracking, the first use of an ensemble of classifiers to track maritime vessels and a new quantization algorithm that compares the values of pixel pairs. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=ram%20memory" title="ram memory">ram memory</a>, <a href="https://publications.waset.org/abstracts/search?q=WiSARD%20weightless%20neural%20network" title=" WiSARD weightless neural network"> WiSARD weightless neural network</a>, <a href="https://publications.waset.org/abstracts/search?q=object%20tracking" title=" object tracking"> object tracking</a>, <a href="https://publications.waset.org/abstracts/search?q=quantization" title=" quantization"> quantization</a> </p> <a href="https://publications.waset.org/abstracts/49928/a-video-surveillance-system-using-an-ensemble-of-simple-neural-network-classifiers" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/49928.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">310</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">122</span> Hydrodynamics in Wetlands of Brazilian Savanna: Electrical Tomography and Geoprocessing</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Lucas%20M.%20Furlan">Lucas M. Furlan</a>, <a href="https://publications.waset.org/abstracts/search?q=Cesar%20A.%20Moreira"> Cesar A. Moreira</a>, <a href="https://publications.waset.org/abstracts/search?q=Jepherson%20F.%20Sales"> Jepherson F. Sales</a>, <a href="https://publications.waset.org/abstracts/search?q=Guilherme%20T.%20Bueno"> Guilherme T. Bueno</a>, <a href="https://publications.waset.org/abstracts/search?q=Manuel%20E.%20Ferreira"> Manuel E. Ferreira</a>, <a href="https://publications.waset.org/abstracts/search?q=Carla%20V.%20S.%20Coelho"> Carla V. S. Coelho</a>, <a href="https://publications.waset.org/abstracts/search?q=Vania%20Rosolen"> Vania Rosolen</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Located in the western part of the State of Minas Gerais, Brazil, the study area consists of a savanna environment, represented by sedimentary plateau and a soil cover composed by lateritic and hydromorphic soils - in the latter, occurring the deferruginization and concentration of high-alumina clays, exploited as refractory material. In the hydromorphic topographic depressions (wetlands) the hydropedogical relationships are little known, but it is observed that in times of rainfall, the depressed region behaves like a natural seasonal reservoir - which suggests that the wetlands on the surface of the plateau are places of recharge of the aquifer. The aquifer recharge areas are extremely important for the sustainable social, economic and environmental development of societies. The understanding of hydrodynamics in relation to the functioning of the ferruginous and hydromorphic lateritic soils system in the savanna environment is a subject rarely explored in the literature, especially its understanding through the joint application of geoprocessing by UAV (Unmanned Aerial Vehicle) and electrical tomography. The objective of this work is to understand the hydrogeological dynamics in a wetland (with an area of 426.064 m²), in the Brazilian savanna,as well as the understanding of the subsurface architecture of hydromorphic depressions in relation to the recharge of aquifers. The wetland was compartmentalized in three different regions, according to the geoprocessing. Hydraulic conductivity studies were performed in each of these three portions. Electrical tomography was performed on 9 lines of 80 meters in length and spaced 10 meters apart (direction N45), and a line with 80 meters perpendicular to all others. With the data, it was possible to generate a 3D cube. The integrated analysis showed that the area behaves like a natural seasonal reservoir in the months of greater precipitation (December – 289mm; January – 277,9mm; February – 213,2mm), because the hydraulic conductivity is very low in all areas. In the aerial images, geotag correction of the images was performed, that is, the correction of the coordinates of the images by means of the corrected coordinates of the Positioning by Precision Point of the Brazilian Institute of Geography and Statistics (IBGE-PPP). Later, the orthomosaic and the digital surface model (DSM) were generated, which with specific geoprocessing generated the volume of water that the wetland can contain - 780,922m³ in total, 265,205m³ in the region with intermediate flooding and 49,140m³ in the central region, where a greater accumulation of water was observed. Through the electrical tomography it was possible to identify that up to the depth of 6 meters the water infiltrates vertically in the central region. From the 8 meters depth, the water encounters a more resistive layer and the infiltration begins to occur horizontally - tending to concentrate the recharge of the aquifer to the northeast and southwest of the wetland. The hydrodynamics of the area is complex and has many challenges in its understanding. The next step is to relate hydrodynamics to the evolution of the landscape, with the enrichment of high-alumina clays, and to propose a management model for the seasonal reservoir. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=electrical%20tomography" title="electrical tomography">electrical tomography</a>, <a href="https://publications.waset.org/abstracts/search?q=hydropedology" title=" hydropedology"> hydropedology</a>, <a href="https://publications.waset.org/abstracts/search?q=unmanned%20aerial%20vehicle" title=" unmanned aerial vehicle"> unmanned aerial vehicle</a>, <a href="https://publications.waset.org/abstracts/search?q=water%20resources%20management" title=" water resources management"> water resources management</a> </p> <a href="https://publications.waset.org/abstracts/102941/hydrodynamics-in-wetlands-of-brazilian-savanna-electrical-tomography-and-geoprocessing" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/102941.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">146</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">121</span> Aligning Organizational Culture and Compensation Strategies</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Giuseppe%20Maria%20Russo">Giuseppe Maria Russo</a>, <a href="https://publications.waset.org/abstracts/search?q=Patr%C3%ADcia%20Am%C3%A9lia%20Tomei"> Patrícia Amélia Tomei</a>, <a href="https://publications.waset.org/abstracts/search?q=Ant%C3%B4nio%20Linhares"> Antônio Linhares</a>, <a href="https://publications.waset.org/abstracts/search?q=Andr%C3%A9%20Moreira%20Santos"> André Moreira Santos</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Alignment between management strategies, policies and practices with organizational cultures holds great potential to meet the challenges of retaining professionals and maintaining their commitment. In this article, authors consider that when it is aligned with company strategy, compensation acts as an incentive for developing common visions within the organizational culture. This article verified the correlation between types of culture and compensation’s strategic components and provided inputs for the definition of strategies aligned with cultural typologies. We conclude that the impact of compensation variables varies according to the type of organizational culture. This result reinforces the theory that different cultures define different organizational strategies. Thus, compensation strategies may explain types of organizational culture. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=compensation" title="compensation">compensation</a>, <a href="https://publications.waset.org/abstracts/search?q=Handy%E2%80%99s%20cultural%20typology" title=" Handy’s cultural typology"> Handy’s cultural typology</a>, <a href="https://publications.waset.org/abstracts/search?q=organizational%20culture" title=" organizational culture"> organizational culture</a>, <a href="https://publications.waset.org/abstracts/search?q=rewards" title=" rewards"> rewards</a> </p> <a href="https://publications.waset.org/abstracts/35481/aligning-organizational-culture-and-compensation-strategies" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/35481.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">660</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">120</span> Design and Study of a DC/DC Converter for High Power, 14.4 V and 300 A for Automotive Applications</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=J%C3%BAlio%20Cesar%20Lopes%20de%20Oliveira">Júlio Cesar Lopes de Oliveira</a>, <a href="https://publications.waset.org/abstracts/search?q=Carlos%20Henrique%20Gon%C3%A7alves%20Treviso"> Carlos Henrique Gonçalves Treviso</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The shortage of the automotive market in relation to options for sources of high power car audio systems, led to development of this work. Thus, we developed a source with stabilized voltage with 4320 W effective power. Designed to the voltage of 14.4 V and a choice of two currents: 30 A load option in battery banks and 300 A at full load. This source can also be considered as a source of general use dedicated commercial with a simple control circuit in analog form based on discrete components. The assembly of power circuit uses a methodology for higher power than the initially stipulated. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=DC-DC%20power%20converters" title="DC-DC power converters">DC-DC power converters</a>, <a href="https://publications.waset.org/abstracts/search?q=converters" title=" converters"> converters</a>, <a href="https://publications.waset.org/abstracts/search?q=power%20conversion" title=" power conversion"> power conversion</a>, <a href="https://publications.waset.org/abstracts/search?q=pulse%20width%20modulation%20converters" title=" pulse width modulation converters"> pulse width modulation converters</a> </p> <a href="https://publications.waset.org/abstracts/2284/design-and-study-of-a-dcdc-converter-for-high-power-144-v-and-300-a-for-automotive-applications" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/2284.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">384</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">119</span> Educational Robotics with Easy Implementation and Low Cost</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Maria%20R.%20A.%20R.%20Moreira">Maria R. A. R. Moreira</a>, <a href="https://publications.waset.org/abstracts/search?q=Francisco%20R.%20O.%20Da%20Silva"> Francisco R. O. Da Silva</a>, <a href="https://publications.waset.org/abstracts/search?q=Andr%C3%A9%20O.%20A.%20Fontenele"> André O. A. Fontenele</a>, <a href="https://publications.waset.org/abstracts/search?q=%C3%89rick%20A.%20Ribeiro"> Érick A. Ribeiro</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This article deals with the influence of technology in education showing educational robotics as pedagogical method of solution for knowledge building. We are proposing the development and implementation of four robot models that can be used for teaching purposes involving the areas of mechatronics, mechanics, electronics and computing, making it efficient for learning other sciences and theories. One of the main reasons for application of the developed educational kits is its low cost, allowing its applicability to a greater number of educational institutions. The technology will add to education dissemination of knowledge by means of experiments in such a way that the pedagogical robotics promotes understanding, practice, solution and criticism about classroom challenges. We also present the relationship between education, science, technology and society through educational robotics, treated as an incentive to technological careers. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=education" title="education">education</a>, <a href="https://publications.waset.org/abstracts/search?q=mecatronics" title=" mecatronics"> mecatronics</a>, <a href="https://publications.waset.org/abstracts/search?q=robotics" title=" robotics"> robotics</a>, <a href="https://publications.waset.org/abstracts/search?q=technology" title=" technology"> technology</a> </p> <a href="https://publications.waset.org/abstracts/41312/educational-robotics-with-easy-implementation-and-low-cost" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/41312.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">383</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">118</span> Undocumented Migrants on the Northern Border of Mexico: Social Imaginary, and Social Representations</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=C%C3%A9sar%20Enrique%20Jim%C3%A9nez%20Ya%C3%B1ez">César Enrique Jiménez Yañez</a>, <a href="https://publications.waset.org/abstracts/search?q=Yessica%20Martinez%20Soto"> Yessica Martinez Soto</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In the present work, the phenomenon of undocumented migration in the northern border of Mexico is analyzed through the graphic representation of the experience of people who migrate in an undocumented way to the United States. 33 of them drew what it meant for them to migrate. Our objective is to analyze the social phenomenon of migration through the drawings of migrants, using the concepts of social imaginary and social representations, identifying the different significant elements with which this symbolically builds their experience. Drawing, as a methodological tool, will help us to understand the migratory experience beyond words. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mexico" title="Mexico">Mexico</a>, <a href="https://publications.waset.org/abstracts/search?q=social%20imaginary" title=" social imaginary"> social imaginary</a>, <a href="https://publications.waset.org/abstracts/search?q=social%20representations" title=" social representations"> social representations</a>, <a href="https://publications.waset.org/abstracts/search?q=undocumented%20migrants" title=" undocumented migrants"> undocumented migrants</a> </p> <a href="https://publications.waset.org/abstracts/91275/undocumented-migrants-on-the-northern-border-of-mexico-social-imaginary-and-social-representations" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/91275.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">401</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">117</span> Optimization Model for Support Decision for Maximizing Production of Mixed Fruit Tree Farms</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Andr%C3%A9s%20I.%20%C3%81vila">Andrés I. Ávila</a>, <a href="https://publications.waset.org/abstracts/search?q=Patricia%20Aros"> Patricia Aros</a>, <a href="https://publications.waset.org/abstracts/search?q=C%C3%A9sar%20San%20Mart%C3%ADn"> César San Martín</a>, <a href="https://publications.waset.org/abstracts/search?q=Elizabeth%20Kehr"> Elizabeth Kehr</a>, <a href="https://publications.waset.org/abstracts/search?q=Yovana%20Leal"> Yovana Leal</a> </p> <p class="card-text"><strong>Abstract:</strong></p> We consider a linear programming model to help farmers to decide if it is convinient to choose among three kinds of export fruits for their future investment. We consider area, investment, water, productivitiy minimal unit, and harvest restrictions and a monthly based model to compute the average income in five years. Also, conditions on the field as area, water availability and initia investment are required. Using the Chilean costs and dollar-peso exchange rate, we can simulate several scenarios to understand the possible risks associated to this market. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=mixed%20integer%20problem" title="mixed integer problem">mixed integer problem</a>, <a href="https://publications.waset.org/abstracts/search?q=fruit%20production" title=" fruit production"> fruit production</a>, <a href="https://publications.waset.org/abstracts/search?q=support%20decision%20model" title=" support decision model"> support decision model</a>, <a href="https://publications.waset.org/abstracts/search?q=fruit%20tree%20farms" title=" fruit tree farms"> fruit tree farms</a> </p> <a href="https://publications.waset.org/abstracts/18920/optimization-model-for-support-decision-for-maximizing-production-of-mixed-fruit-tree-farms" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/18920.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">456</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">116</span> Production and Mechanical Properties of Alkali–Activated Inorganic Binders Made from Wastes Solids</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Sonia%20Vanessa%20Campos%20Moreira">Sonia Vanessa Campos Moreira</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The aim of this research is the production and mechanical properties of Alkali-Activated Inorganic Binders (AAIB) made from The Basic Oxygen Furnace Slag (BOF Slag) and Thin Film Transistor Liquid Crystal Display (TFT-LCD), glass powder (waste and industrial by-products). Many factors have an influence on the production of AAIB like the glass powder finesses, the alkaline equivalent content (AE %), water binder ratios (w/b ratios) and the differences curing process. The findings show different behavior in the AAIB related to the factors mentioned, the best results are given with a glass powder fineness of 4,500 cm²/g, w/b=0.30, a curing temperature of 70 ℃, curing duration of 4 days and an aging duration of 14 days results in the highest compressive strength of 18.51 MPa. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=alkaline%20activators" title="alkaline activators">alkaline activators</a>, <a href="https://publications.waset.org/abstracts/search?q=BOF%20slag" title=" BOF slag"> BOF slag</a>, <a href="https://publications.waset.org/abstracts/search?q=glass%20powder%20fineness" title=" glass powder fineness"> glass powder fineness</a>, <a href="https://publications.waset.org/abstracts/search?q=TFT-LCD" title=" TFT-LCD"> TFT-LCD</a>, <a href="https://publications.waset.org/abstracts/search?q=w%2Fb%20ratios" title=" w/b ratios"> w/b ratios</a> </p> <a href="https://publications.waset.org/abstracts/90391/production-and-mechanical-properties-of-alkali-activated-inorganic-binders-made-from-wastes-solids" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/90391.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">160</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">115</span> Alwadei Syndrome - A Genetic Cause Of Intellectual Disability</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mafalda%20Moreira">Mafalda Moreira</a>, <a href="https://publications.waset.org/abstracts/search?q=Diana%20Alba"> Diana Alba</a>, <a href="https://publications.waset.org/abstracts/search?q=In%C3%AAs%20Paiva%20Ferreira"> Inês Paiva Ferreira</a>, <a href="https://publications.waset.org/abstracts/search?q=Rita%20Calejo"> Rita Calejo</a>, <a href="https://publications.waset.org/abstracts/search?q=Ana%20Rita%20Soares"> Ana Rita Soares</a>, <a href="https://publications.waset.org/abstracts/search?q=Leonilde%20Machado"> Leonilde Machado</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Intellectual disability (ID) is characterized by deficits in intellectualfunctioningassociatedwithalterations in the adaptive behaviour, whose onset is inthedevelopmentalperiod. Itaffects 3% of the population, ofwhich 10% have a geneticaetiology. One of those causes isAlwadeiSyndrome, with 3 cases describedworldwide. It results from a homozygous nonsense mutation in theRUSC2 gene andisassociatedwithintellectualdisabilityanddysmorphic facialfeatures. Theauthorsreportthe case of a 5-year-old-boy, born to a healthymotherafter a full-termuneventfulpregnancy, thatwasreferred to Neurodevelopmentalconsultationdue toglobal developmentaldelay. Familyhistoryrevealedlearningdifficulties in the paternal brotherhood. Milddismorphicfeatureswereevidentsuch as darkinfraorbitalregion, low-set ears, beakednose, retrognathism, high-archedpalateandjointhyperlaxity. WechslerIntelligenceScale for Children III fullscaleIQ quoted 61. Karyotypeandchromosomalmicroarrayanalysiswerenormal, as well as the fragile X molecular study. DNA sequencingwasthenperformedandallowedtheidentificationof amutation in the RUSC2 gene. Theetiologicaldiagnosisof ID remains unknown in up to 80% of cases, creatinguncertainty in children’sfamilies. Theadvances in DNA sequencingtechnologieshaveincreasedourknowledgeofthegeneticdiseasesinvolved, as theAlwadeisyndromewasonlydescribedsince 2016. Thegeneticdiagnosisof ID allowsfamilygeneticcounselingandenablesthedevelopmentof target therapeutic approaches. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=intellectual%20disability" title="intellectual disability">intellectual disability</a>, <a href="https://publications.waset.org/abstracts/search?q=genetic%20aetiology" title=" genetic aetiology"> genetic aetiology</a>, <a href="https://publications.waset.org/abstracts/search?q=alwadei%20syndrome" title=" alwadei syndrome"> alwadei syndrome</a>, <a href="https://publications.waset.org/abstracts/search?q=RUSC2" title=" RUSC2"> RUSC2</a> </p> <a href="https://publications.waset.org/abstracts/144191/alwadei-syndrome-a-genetic-cause-of-intellectual-disability" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/144191.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">179</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">114</span> Flow Visualization in Biological Complex Geometries for Personalized Medicine</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Carlos%20Escobar-del%20Pozo">Carlos Escobar-del Pozo</a>, <a href="https://publications.waset.org/abstracts/search?q=C%C3%A9sar%20Ahumada-Monroy"> César Ahumada-Monroy</a>, <a href="https://publications.waset.org/abstracts/search?q=Azael%20Garc%C3%ADa-Rebolledo"> Azael García-Rebolledo</a>, <a href="https://publications.waset.org/abstracts/search?q=Alberto%20Brambila-Sol%C3%B3rzano"> Alberto Brambila-Solórzano</a>, <a href="https://publications.waset.org/abstracts/search?q=Gregorio%20Mart%C3%ADnez-S%C3%A1nchez"> Gregorio Martínez-Sánchez</a>, <a href="https://publications.waset.org/abstracts/search?q=Luis%20Ortiz-Rinc%C3%B3n"> Luis Ortiz-Rincón</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Numerical simulations of flow in complex biological structures have gained considerable attention in the last years. However, the major issue is the validation of the results. The present work shows a Particle Image Velocimetry PIV flow visualization technique in complex biological structures, particularly in intracranial aneurysms. A methodology to reconstruct and generate a transparent model has been developed, as well as visualization and particle tracking techniques. The generated transparent models allow visualizing the flow patterns with a regular camera using the visualization techniques. The final goal is to use visualization as a tool to provide more information on the treatment and surgery decisions in aneurysms. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=aneurysms" title="aneurysms">aneurysms</a>, <a href="https://publications.waset.org/abstracts/search?q=PIV" title=" PIV"> PIV</a>, <a href="https://publications.waset.org/abstracts/search?q=flow%20visualization" title=" flow visualization"> flow visualization</a>, <a href="https://publications.waset.org/abstracts/search?q=particle%20tracking" title=" particle tracking"> particle tracking</a> </p> <a href="https://publications.waset.org/abstracts/165909/flow-visualization-in-biological-complex-geometries-for-personalized-medicine" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/165909.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">90</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">113</span> Experimental Networks Synchronization of Chua’s Circuit in Different Topologies</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Manuel%20Meranza-Castillon">Manuel Meranza-Castillon</a>, <a href="https://publications.waset.org/abstracts/search?q=Rolando%20Diaz-Castillo"> Rolando Diaz-Castillo</a>, <a href="https://publications.waset.org/abstracts/search?q=Adrian%20Arellano-Delgado"> Adrian Arellano-Delgado</a>, <a href="https://publications.waset.org/abstracts/search?q=Cesar%20Cruz-Hernandez"> Cesar Cruz-Hernandez</a>, <a href="https://publications.waset.org/abstracts/search?q=Rosa%20Martha%20Lopez-Gutierrez"> Rosa Martha Lopez-Gutierrez</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this work, we deal with experimental network synchronization of chaotic nodes with different topologies. Our approach is based on complex system theory, and we use a master-slave configuration to couple the nodes in the networks. In particular, we design and implement electronically complex dynamical networks composed by nine coupled chaotic Chua’s circuits with topologies: in nearest-neighbor, small-world, open ring, star, and global. Also, network synchronization is evaluated according to a particular coupling strength for each topology. This study is important by the possible applications to private transmission of information in a chaotic communication network of multiple users. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=complex%20networks" title="complex networks">complex networks</a>, <a href="https://publications.waset.org/abstracts/search?q=Chua%27s%20circuit" title=" Chua's circuit"> Chua's circuit</a>, <a href="https://publications.waset.org/abstracts/search?q=experimental%20synchronization" title=" experimental synchronization"> experimental synchronization</a>, <a href="https://publications.waset.org/abstracts/search?q=multiple%20users" title=" multiple users"> multiple users</a> </p> <a href="https://publications.waset.org/abstracts/64455/experimental-networks-synchronization-of-chuas-circuit-in-different-topologies" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/64455.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">348</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">112</span> An Overview of the Advice Process and the Scientific Production of the Adviser-Advised Relationship in the Areas of Engineering</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Tales%20H.%20J.%20Moreira">Tales H. J. Moreira</a>, <a href="https://publications.waset.org/abstracts/search?q=Thiago%20M.%20R.%20Dias"> Thiago M. R. Dias</a>, <a href="https://publications.waset.org/abstracts/search?q=Gray%20F.%20Moita"> Gray F. Moita</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The adviser-advised relationship, in addition to the evident propagation of knowledge, can provide an increase in the scientific production of the advisors. Specifically, in post-graduate programs, in which the advised submit diverse papers in different means of publication, these end up boosting the production of their advisor, since in general the advisors appear as co-authors, responsible for instructing and assisting in the development of the work. Therefore, to visualize the orientation process and the scientific production resulting from this relation is another important way of analyzing the scientific collaboration in the different areas of knowledge. In this work, are used the data of orientations and postgraduate supervisions from the Lattes curricula, from the main advisors who work in the Engineering area, to obtain an overview of the process of orientation of this group, and even, to produce Academic genealogical trees, where it is possible to verify how knowledge has spread in the diverse areas of engineering. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=academic%20genealogy" title="academic genealogy">academic genealogy</a>, <a href="https://publications.waset.org/abstracts/search?q=advice" title=" advice"> advice</a>, <a href="https://publications.waset.org/abstracts/search?q=engineering" title=" engineering"> engineering</a>, <a href="https://publications.waset.org/abstracts/search?q=lattes%20platform" title=" lattes platform"> lattes platform</a> </p> <a href="https://publications.waset.org/abstracts/67791/an-overview-of-the-advice-process-and-the-scientific-production-of-the-adviser-advised-relationship-in-the-areas-of-engineering" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/67791.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">324</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">111</span> Proactive Pure Handoff Model with SAW-TOPSIS Selection and Time Series Predict</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Harold%20V%C3%A1squez">Harold Vásquez</a>, <a href="https://publications.waset.org/abstracts/search?q=Cesar%20Hern%C3%A1ndez"> Cesar Hernández</a>, <a href="https://publications.waset.org/abstracts/search?q=Ingrid%20P%C3%A1ez"> Ingrid Páez </a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper approach cognitive radio technic and applied pure proactive handoff Model to decrease interference between PU and SU and comparing it with reactive handoff model. Through the study and analysis of multivariate models SAW and TOPSIS join to 3 dynamic prediction techniques AR, MA ,and ARMA. To evaluate the best model is taken four metrics: number failed handoff, number handoff, number predictions, and number interference. The result presented the advantages using this type of pure proactive models to predict changes in the PU according to the selected channel and reduce interference. The model showed better performance was TOPSIS-MA, although TOPSIS-AR had a higher predictive ability this was not reflected in the interference reduction. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=cognitive%20radio" title="cognitive radio">cognitive radio</a>, <a href="https://publications.waset.org/abstracts/search?q=spectrum%20handoff" title=" spectrum handoff"> spectrum handoff</a>, <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=time%20series" title=" time series"> time series</a>, <a href="https://publications.waset.org/abstracts/search?q=wireless%20networks" title=" wireless networks"> wireless networks</a> </p> <a href="https://publications.waset.org/abstracts/33216/proactive-pure-handoff-model-with-saw-topsis-selection-and-time-series-predict" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/33216.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">487</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">110</span> Influence of Decolourisation Condition on the Physicochemical Properties of Shea (Vitellaria paradoxa Gaertner F) Butter</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ahmed%20Mohammed%20Mohagir">Ahmed Mohammed Mohagir</a>, <a href="https://publications.waset.org/abstracts/search?q=Ahmat-Charfadine%20Mahamat"> Ahmat-Charfadine Mahamat</a>, <a href="https://publications.waset.org/abstracts/search?q=Nde%20Divine%20Bup"> Nde Divine Bup</a>, <a href="https://publications.waset.org/abstracts/search?q=Richard%20Kamga"> Richard Kamga</a>, <a href="https://publications.waset.org/abstracts/search?q=C%C3%A9sar%20Kapseu"> César Kapseu </a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this investigation, kinetics studies of adsorption of colour material of shea butter showed a peak at the wavelength 440 nm and the equilibrium time was found to be 30 min. Response surface methodology applying Doehlert experimental design was used to investigate decolourisation parameters of crude shea butter. The decolourisation process was significantly influenced by three independent parameters: contact time, decolourisation temperature and adsorbent dose. The responses of the process were oil loss, acid value, peroxide value and colour index. Response surface plots were successfully made to visualise the effect of the independent parameters on the responses of the process. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=decolourisation" title="decolourisation">decolourisation</a>, <a href="https://publications.waset.org/abstracts/search?q=doehlert%20experimental%20design" title=" doehlert experimental design"> doehlert experimental design</a>, <a href="https://publications.waset.org/abstracts/search?q=physicochemical%20characterisation" title=" physicochemical characterisation"> physicochemical characterisation</a>, <a href="https://publications.waset.org/abstracts/search?q=RSM" title=" RSM"> RSM</a>, <a href="https://publications.waset.org/abstracts/search?q=shea%20butter" title=" shea butter"> shea butter</a> </p> <a href="https://publications.waset.org/abstracts/17839/influence-of-decolourisation-condition-on-the-physicochemical-properties-of-shea-vitellaria-paradoxa-gaertner-f-butter" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/17839.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">416</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">109</span> Performance Assessment in a Voice Coil Motor for Maximizing the Energy Harvesting with Gait Motions</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Hector%20A.%20Tinoco">Hector A. Tinoco</a>, <a href="https://publications.waset.org/abstracts/search?q=Cesar%20Garcia-Diaz"> Cesar Garcia-Diaz</a>, <a href="https://publications.waset.org/abstracts/search?q=Olga%20L.%20Ocampo-Lopez"> Olga L. Ocampo-Lopez</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this study, an experimental approach is established to assess the performance of different beams coupled to a Voice Coil Motor (VCM) with the aim to maximize mechanically the energy harvesting in the inductive transducer that is included on it. The VCM is extracted from a recycled hard disk drive (HDD) and it is adapted for carrying out experimental tests of energy harvesting. Two individuals were selected for walking with the VCM-beam device as well as to evaluate the performance varying two parameters in the beam; length of the beams and a mass addition. Results show that the energy harvesting is maximized with specific beams; however, the harvesting efficiency is improved when a mass is added to the end of the beams. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=hard%20disk%20drive" title="hard disk drive">hard disk drive</a>, <a href="https://publications.waset.org/abstracts/search?q=energy%20harvesting" title=" energy harvesting"> energy harvesting</a>, <a href="https://publications.waset.org/abstracts/search?q=voice%20coil%20motor" title=" voice coil motor"> voice coil motor</a>, <a href="https://publications.waset.org/abstracts/search?q=energy%20harvester" title=" energy harvester"> energy harvester</a>, <a href="https://publications.waset.org/abstracts/search?q=gait%20motions" title=" gait motions"> gait motions</a> </p> <a href="https://publications.waset.org/abstracts/56716/performance-assessment-in-a-voice-coil-motor-for-maximizing-the-energy-harvesting-with-gait-motions" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/56716.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">351</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">108</span> Using Wiki for Enhancing the Knowledge Transfer to Newcomers: An Experience Report</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Hualter%20Oliveira%20Barbosa">Hualter Oliveira Barbosa</a>, <a href="https://publications.waset.org/abstracts/search?q=Raquel%20Feitosa%20do%20Vale%20Cunha"> Raquel Feitosa do Vale Cunha</a>, <a href="https://publications.waset.org/abstracts/search?q=Erika%20Muniz%20dos%20Santos"> Erika Muniz dos Santos</a>, <a href="https://publications.waset.org/abstracts/search?q=Fernanda%20Belmira%20Souza"> Fernanda Belmira Souza</a>, <a href="https://publications.waset.org/abstracts/search?q=Fabio%20Sousa"> Fabio Sousa</a>, <a href="https://publications.waset.org/abstracts/search?q=Luis%20Henrique%20Pascareli"> Luis Henrique Pascareli</a>, <a href="https://publications.waset.org/abstracts/search?q=Franciney%20de%20Oliveira%20Lima"> Franciney de Oliveira Lima</a>, <a href="https://publications.waset.org/abstracts/search?q=Ana%20Cl%C3%A1udia%20Reis%20da%20Silva"> Ana Cláudia Reis da Silva</a>, <a href="https://publications.waset.org/abstracts/search?q=Christiane%20Moreira%20de%20Almeida"> Christiane Moreira de Almeida</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Software development is intrinsic human-based knowledge-intensive. Due to globalization, software development has become a complex challenge and we usually face barriers related to knowledge management, team building, costly testing processes, especially in distributed settings. For this reason, several approaches have been proposed to minimize barriers caused by geographic distance. In this paper, we present as we use experimental studies to improve our knowledge management process using the Wiki system. According to the results, it was possible to identify learning preferences from our software projects leader team, organize and improve the learning experience of our Wiki and; facilitate collaboration by newcomers to improve Wiki with new contents available in the Wiki. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=mobile%20product" title="mobile product">mobile product</a>, <a href="https://publications.waset.org/abstracts/search?q=knowledge%20transfer" title=" knowledge transfer"> knowledge transfer</a>, <a href="https://publications.waset.org/abstracts/search?q=knowledge%20management%20process" title=" knowledge management process"> knowledge management process</a>, <a href="https://publications.waset.org/abstracts/search?q=wiki" title=" wiki"> wiki</a>, <a href="https://publications.waset.org/abstracts/search?q=GSD" title=" GSD"> GSD</a> </p> <a href="https://publications.waset.org/abstracts/147258/using-wiki-for-enhancing-the-knowledge-transfer-to-newcomers-an-experience-report" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/147258.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">178</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">107</span> Characterization of Chemically Deposited CdS Thin Films Annealed in Different Atmospheres</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=J.%20Pantoja%20Enr%C3%ADquez">J. Pantoja Enríquez</a>, <a href="https://publications.waset.org/abstracts/search?q=G.%20P.%20Hern%C3%A1ndez"> G. P. Hernández</a>, <a href="https://publications.waset.org/abstracts/search?q=G.%20I.%20Duharte"> G. I. Duharte</a>, <a href="https://publications.waset.org/abstracts/search?q=X.%20Mathew"> X. Mathew</a>, <a href="https://publications.waset.org/abstracts/search?q=J.%20Moreira"> J. Moreira</a>, <a href="https://publications.waset.org/abstracts/search?q=P.%20J.%20Sebastian"> P. J. Sebastian</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Cadmium sulfide films were deposited onto glass substrates by chemical bath deposition (CBD) from a bath containing cadmium acetate, ammonium acetate, thiourea, and ammonium hydroxide. The CdS thin films were annealed in air, argon, hydrogen and nitrogen for 1 h at various temperatures (300, 350, 400, 450 and 500 °C). The changes in optical and electrical properties of annealed treated CdS thin films were analyzed. The results showed that, the band-gap and resistivity depend on the post-deposition annealing atmosphere and temperatures. Thus, it was found that these properties of the films, were found to be affected by various processes with opposite effects, some beneficial and others unfavorable. The energy gap and resistivity for different annealing atmospheres was seen to oscillate by thermal annealing. Recrystallization, oxidation, surface passivation, sublimation and materials evaporation were found the main factors of the heat-treatment process responsible for this oscillating behavior. Annealing over 400 °C was seen to degrade the optical and electrical properties of the film. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=cds" title="cds">cds</a>, <a href="https://publications.waset.org/abstracts/search?q=thin%20films" title=" thin films"> thin films</a>, <a href="https://publications.waset.org/abstracts/search?q=annealing" title=" annealing"> annealing</a>, <a href="https://publications.waset.org/abstracts/search?q=optical" title=" optical"> optical</a>, <a href="https://publications.waset.org/abstracts/search?q=electrical%20properties" title=" electrical properties"> electrical properties</a> </p> <a href="https://publications.waset.org/abstracts/31251/characterization-of-chemically-deposited-cds-thin-films-annealed-in-different-atmospheres" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/31251.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">510</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">106</span> Relation of Electromyography, Strength and Fatigue During Ramp Isometric Contractions</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Cesar%20Ferreira%20Amorim">Cesar Ferreira Amorim</a>, <a href="https://publications.waset.org/abstracts/search?q=Tamotsu%20Hirata"> Tamotsu Hirata</a>, <a href="https://publications.waset.org/abstracts/search?q=Runer%20Augusto%20Marson"> Runer Augusto Marson</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The purpose of this study was to determine the effect of strength ramp isometric contraction on changes in surface electromyography (sEMG) signal characteristics of the hamstrings muscles. All measurements were obtained from 20 healthy well trained healthy adults (age 19.5 ± 0.8 yrs, body mass 63.4 ± 1.5 kg, height: 1.65 ± 0.05 m). Subjects had to perform isometric ramp contractions in knee flexion with the force gradually increasing from 0 to 40% of the maximal voluntary contraction (MVC) in a 20s period. The root mean square (RMS) amplitude of sEMG signals obtained from the biceps femoris (caput longum) were calculated at four different strength levels (10, 20, 30, and 40% MVC) from the ramp isometric contractions (5s during the 20s task %MVC). The main results were a more pronounced increase non-linear in sEMG-RMS amplitude for the muscles. The protocol described here may provide a useful index for measuring of strength neuromuscular fatigue. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=biosignal" title="biosignal">biosignal</a>, <a href="https://publications.waset.org/abstracts/search?q=surface%20electromyography" title=" surface electromyography"> surface electromyography</a>, <a href="https://publications.waset.org/abstracts/search?q=ramp%20contractions" title=" ramp contractions"> ramp contractions</a>, <a href="https://publications.waset.org/abstracts/search?q=strength" title=" strength"> strength</a> </p> <a href="https://publications.waset.org/abstracts/32275/relation-of-electromyography-strength-and-fatigue-during-ramp-isometric-contractions" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/32275.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">483</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">105</span> Raising High School English Teachers' Awareness of World Englishes</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Julio%20Cesar%20Torres%20Rocha">Julio Cesar Torres Rocha</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The present study is a three-stage action research that aims at raising EFL teachers’ awareness of World Englishes (WE) within a critical perspective of inquiry. Through a taught module on English and its varieties, a survey, a reflection paper, and a semi-structured interview were used to collect the data. The results of the study showed that there was a clear change of conception, at the theoretical level, in teachers’ papers. However, WE was regarded as future possibility for action. On the one hand, all of the participants said the module changed their conception of other varieties of English different from British and American ones. They all went from identifying themselves with either American or British variety, a celebratory perspective, to acknowledging and accepting other English varieties, a critical perspective of English as an international language (EIL). <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=teachers%E2%80%99%20s%20awareness" title="teachers’ s awareness">teachers’ s awareness</a>, <a href="https://publications.waset.org/abstracts/search?q=English%20as%20an%20international%20language" title=" English as an international language"> English as an international language</a>, <a href="https://publications.waset.org/abstracts/search?q=introducing%20world%20Englishes" title=" introducing world Englishes"> introducing world Englishes</a>, <a href="https://publications.waset.org/abstracts/search?q=critical%20applied%20linguistics" title=" critical applied linguistics"> critical applied linguistics</a> </p> <a href="https://publications.waset.org/abstracts/43992/raising-high-school-english-teachers-awareness-of-world-englishes" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/43992.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">522</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">104</span> A Family of Distributions on Learnable Problems without Uniform Convergence</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=C%C3%A9sar%20Garza">César Garza</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In supervised binary classification and regression problems, it is well-known that learnability is equivalent to a uniform convergence of the hypothesis class, and if a problem is learnable, it is learnable by empirical risk minimization. For the general learning setting of unsupervised learning tasks, there are non-trivial learning problems where uniform convergence does not hold. We present here the task of learning centers of mass with an extra feature that “activates” some of the coordinates over the unit ball in a Hilbert space. We show that the learning problem is learnable under a stable RLM rule. We introduce a family of distributions over the domain space with some mild restrictions for which the sample complexity of uniform convergence for these problems must grow logarithmically with the dimension of the Hilbert space. If we take this dimension to infinity, we obtain a learnable problem for which the uniform convergence property fails for a vast family of distributions. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=statistical%20learning%20theory" title="statistical learning theory">statistical learning theory</a>, <a href="https://publications.waset.org/abstracts/search?q=learnability" title=" learnability"> learnability</a>, <a href="https://publications.waset.org/abstracts/search?q=uniform%20convergence" title=" uniform convergence"> uniform convergence</a>, <a href="https://publications.waset.org/abstracts/search?q=stability" title=" stability"> stability</a>, <a href="https://publications.waset.org/abstracts/search?q=regularized%20loss%20minimization" title=" regularized loss minimization"> regularized loss minimization</a> </p> <a href="https://publications.waset.org/abstracts/151038/a-family-of-distributions-on-learnable-problems-without-uniform-convergence" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/151038.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">129</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">103</span> Collective Movement between Two Lego EV3 Mobile Robots</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Luis%20Fernando%20Pinedo-Lomeli">Luis Fernando Pinedo-Lomeli</a>, <a href="https://publications.waset.org/abstracts/search?q=Rosa%20Martha%20Lopez-Gutierrez"> Rosa Martha Lopez-Gutierrez</a>, <a href="https://publications.waset.org/abstracts/search?q=Jose%20Antonio%20Michel-Macarty"> Jose Antonio Michel-Macarty</a>, <a href="https://publications.waset.org/abstracts/search?q=Cesar%20Cruz-Hernandez"> Cesar Cruz-Hernandez</a>, <a href="https://publications.waset.org/abstracts/search?q=Liliana%20Cardoza-Avenda%C3%B1o"> Liliana Cardoza-Avendaño</a>, <a href="https://publications.waset.org/abstracts/search?q=Humberto%20Cruz-Hernandez"> Humberto Cruz-Hernandez</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Robots are working in industry and services performing repetitive or dangerous tasks, however, when flexible movement capabilities and complex tasks are required, the use of many robots is needed. Also, productivity can be improved by reducing times to perform tasks. In the last years, a lot of effort has been invested in research and development of collective control of mobile robots. This interest is justified as there are many advantages when two or more robots are collaborating in a particular task. Some examples are: cleaning toxic waste, transportation and manipulation of objects, exploration, and surveillance, search and rescue. In this work a study of collective movements of mobile robots is presented. A solution of collisions avoidance is developed. This solution is levered on a communication implementation that allows coordinate movements in different paths were avoiding obstacles. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=synchronization" title="synchronization">synchronization</a>, <a href="https://publications.waset.org/abstracts/search?q=communication" title=" communication"> communication</a>, <a href="https://publications.waset.org/abstracts/search?q=robots" title=" robots"> robots</a>, <a href="https://publications.waset.org/abstracts/search?q=legos" title=" legos"> legos</a> </p> <a href="https://publications.waset.org/abstracts/64452/collective-movement-between-two-lego-ev3-mobile-robots" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/64452.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">432</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">102</span> Finite Element Analysis of the Blanking and Stamping Processes of Nuclear Fuel Spacer Grids</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Rafael%20Oliveira%20Santos">Rafael Oliveira Santos</a>, <a href="https://publications.waset.org/abstracts/search?q=Luciano%20Pessanha%20Moreira"> Luciano Pessanha Moreira</a>, <a href="https://publications.waset.org/abstracts/search?q=Marcelo%20Costa%20Cardoso"> Marcelo Costa Cardoso</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Spacer grid assembly supporting the nuclear fuel rods is an important concern in the design of structural components of a Pressurized Water Reactor (PWR). The spacer grid is composed by springs and dimples which are formed from a strip sheet by means of blanking and stamping processes. In this paper, the blanking process and tooling parameters are evaluated by means of a 2D plane-strain finite element model in order to evaluate the punch load and quality of the sheared edges of Inconel 718 strips used for nuclear spacer grids. A 3D finite element model is also proposed to predict the tooling loads resulting from the stamping process of a preformed Inconel 718 strip and to analyse the residual stress effects upon the spring and dimple design geometries of a nuclear spacer grid. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=blanking%20process" title="blanking process">blanking process</a>, <a href="https://publications.waset.org/abstracts/search?q=damage%20model" title=" damage model"> damage model</a>, <a href="https://publications.waset.org/abstracts/search?q=finite%20element%20modelling" title=" finite element modelling"> finite element modelling</a>, <a href="https://publications.waset.org/abstracts/search?q=inconel%20718" title=" inconel 718"> inconel 718</a>, <a href="https://publications.waset.org/abstracts/search?q=spacer%20grids" title=" spacer grids"> spacer grids</a>, <a href="https://publications.waset.org/abstracts/search?q=stamping%20process" title=" stamping process"> stamping process</a> </p> <a href="https://publications.waset.org/abstracts/35882/finite-element-analysis-of-the-blanking-and-stamping-processes-of-nuclear-fuel-spacer-grids" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/35882.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">344</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">101</span> Characterization of Genus Candida Yeasts Isolated from Oral Microbiota of Brazilian Schoolchildren with Different Caries Experience</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=D.%20S.%20V.%20Barbieri">D. S. V. Barbieri</a>, <a href="https://publications.waset.org/abstracts/search?q=R.%20R.%20Gomes"> R. R. Gomes</a>, <a href="https://publications.waset.org/abstracts/search?q=G.%20D.%20Santos"> G. D. Santos</a>, <a href="https://publications.waset.org/abstracts/search?q=P.%20F.%20Herkert"> P. F. Herkert</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20Moreira"> M. Moreira</a>, <a href="https://publications.waset.org/abstracts/search?q=E.%20S.%20Trindade"> E. S. Trindade</a>, <a href="https://publications.waset.org/abstracts/search?q=V.%20A.%20Vicente"> V. A. Vicente</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The importance of yeast infections has increased in recent decades. The monitoring of Candida yeasts has been relevant in the study of groups and populations. This research evaluated 31 Candida spp. isolates from oral microbiota of 12 Brazilian schoolchildren coinfected with Streptococcus mutans. The isolates were evaluated for their ability to form biofilm in vitro and molecularly characterized based on the sequencing of intergenic spacer regions ITS1-5,8S-ITS2 and variable domains of the large subunit (D1/D2) regions of the rDNA, as well as ABC system genotyping. The sequencing confirmed 26 lineages of Candida albicans, three Candida tropicalis, one Candida guillhermondii and one Candida glabrata. Genetic variability and differences on in biofilm formation were observed among Candida yeasts lineages. At least one Candida strain from each caries activity child was C.albicans genotype A or Candida non-albicans. C. tropicalis was associated with highest cavities rates. These results indicate that the presence of C. albicans genotype A or multi-colonization by non albicans species seem to be associates to the potentialization of caries risk. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=biofilm" title="biofilm">biofilm</a>, <a href="https://publications.waset.org/abstracts/search?q=Candida%20albicans" title=" Candida albicans"> Candida albicans</a>, <a href="https://publications.waset.org/abstracts/search?q=oral%20microbiota" title=" oral microbiota"> oral microbiota</a>, <a href="https://publications.waset.org/abstracts/search?q=caries" title=" caries"> caries</a> </p> <a href="https://publications.waset.org/abstracts/22050/characterization-of-genus-candida-yeasts-isolated-from-oral-microbiota-of-brazilian-schoolchildren-with-different-caries-experience" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/22050.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">510</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=C%C3%A9sar%20M.%20Moreira&page=2">2</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=C%C3%A9sar%20M.%20Moreira&page=3">3</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=C%C3%A9sar%20M.%20Moreira&page=4">4</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=C%C3%A9sar%20M.%20Moreira&page=5">5</a></li> <li class="page-item"><a class="page-link" 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