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Moraes</title> <meta name="description" content="Search results for: Magno Castro Moraes"> <meta name="keywords" content="Magno Castro Moraes"> <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 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action="https://publications.waset.org/abstracts/search"> <div id="custom-search-input"> <div class="input-group"> <i class="fas fa-search"></i> <input type="text" class="search-query" name="q" placeholder="Author, Title, Abstract, Keywords" value="Magno Castro Moraes"> <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: Magno Castro Moraes</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> Low-Cost VoIP University Solution</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Carlos%20Henrique%20Rodrigues%20de%20Oliveira">Carlos Henrique Rodrigues de Oliveira</a>, <a href="https://publications.waset.org/abstracts/search?q=Luis%20Carlos%20Costa%20Fonseca"> Luis Carlos Costa Fonseca</a>, <a href="https://publications.waset.org/abstracts/search?q=Caio%20de%20Castro%20Torres"> Caio de Castro Torres</a>, <a href="https://publications.waset.org/abstracts/search?q=Daniel%20Gusm%C3%A3o%20Pereira"> Daniel Gusmão Pereira</a>, <a href="https://publications.waset.org/abstracts/search?q=Luiz%20Ricardo%20Souza%20Ripardo"> Luiz Ricardo Souza Ripardo</a>, <a href="https://publications.waset.org/abstracts/search?q=Magno%20Castro%20Moraes"> Magno Castro Moraes</a>, <a href="https://publications.waset.org/abstracts/search?q=Ana%20Paula%20Ferreira%20Costa"> Ana Paula Ferreira Costa</a>, <a href="https://publications.waset.org/abstracts/search?q=Luiz%20Carlos%20Chaves%20Lima%20Junior"> Luiz Carlos Chaves Lima Junior</a>, <a href="https://publications.waset.org/abstracts/search?q=Aurelianny%20Almeida%20da%20Cunha"> Aurelianny Almeida da Cunha</a> </p> <p class="card-text"><strong>Abstract:</strong></p> VoIP University is a communication solution based on the IP protocol. This solution was proposed to modernize and save on communication, which required the development of Android, iOS, and Windows applications and a web service server. This solution allows integration with management system databases to create and manage a list of user extensions. VoIP UEMA was the first deployed project of VoIP University. MOS subjective voice quality test was done, and the results indicated good quality. A financial analysis revealed that annual spending on telephone bills decreased by more than 97 %. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=VoIP%20eTec" title="VoIP eTec">VoIP eTec</a>, <a href="https://publications.waset.org/abstracts/search?q=VoIP%20UEMA" title=" VoIP UEMA"> VoIP UEMA</a>, <a href="https://publications.waset.org/abstracts/search?q=VoIP%20University" title=" VoIP University"> VoIP University</a>, <a href="https://publications.waset.org/abstracts/search?q=VoIP%20Valen" title=" VoIP Valen"> VoIP Valen</a> </p> <a href="https://publications.waset.org/abstracts/182442/low-cost-voip-university-solution" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/182442.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">61</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> Sportomics Analysis of Metabolic Responses in Olympic Sprint Canoeists</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=A.%20Magno-Fran%C3%A7a">A. Magno-França</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20M.%20Magalh%C3%A3es-Neto"> A. M. Magalhães-Neto</a>, <a href="https://publications.waset.org/abstracts/search?q=F.%20Bachini"> F. Bachini</a>, <a href="https://publications.waset.org/abstracts/search?q=E.%20Cataldi"> E. Cataldi</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20Bassini"> A. Bassini</a>, <a href="https://publications.waset.org/abstracts/search?q=L.%20C.%20Cameron"> L. C. Cameron</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Sprint canoeing (SC) is part of the Olympic Games since 1936. Athletes compete in solo or double races of 200m and 1000m (40 sec and 240 sec, respectively). Due to its high intensity and duration, SC is extremely useful to study the blood kinetics of some metabolites in high energetic demand. Sportomics is a field of study combining “-omics” sciences with classical biochemical analyses in order to understand sports induced systemic changes. Here, we compare Sportomics findings during SC training sessions to describe metabolic responses of five top-level canoeists. Five Olympic world-class male athletes were evaluated during two days of training. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=biochemistry%20of%20exercise" title="biochemistry of exercise">biochemistry of exercise</a>, <a href="https://publications.waset.org/abstracts/search?q=metabolomics" title=" metabolomics"> metabolomics</a>, <a href="https://publications.waset.org/abstracts/search?q=injury%20markers" title=" injury markers"> injury markers</a>, <a href="https://publications.waset.org/abstracts/search?q=sportomics" title=" sportomics"> sportomics</a> </p> <a href="https://publications.waset.org/abstracts/28851/sportomics-analysis-of-metabolic-responses-in-olympic-sprint-canoeists" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/28851.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">516</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> Multidrug Therapies For HIV: Hybrid On-Off, Hysteresis On-Off Control and Simple STI</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Magno%20Enrique%20Mendoza%20Meza">Magno Enrique Mendoza Meza</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper deals with the comparison of three control techniques: the hysteresis on-off control (HyOOC), the hybrid on-off control (HOOC) and the simple Structured Treatment Interruptions (sSTI). These techniques are applied to the mathematical model developed by Kirschner and Webb. To compare these techniques we use a cost functional that minimize the wild-type virus population and the mutant virus population, but the main objective is to minimize the systemic cost of treatment and maximize levels of healthy CD4+ T cells. HyOOC, HOOC, and sSTI are applied to the drug therapies using a reverse transcriptase and protease inhibitors; simulations show that these controls maintain the uninfected cells in a small, bounded neighborhood of a pre-specified level. The controller HyOOC and HOOC are designed by appropriate choice of virtual equilibrium points. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=virus%20dynamics" title="virus dynamics">virus dynamics</a>, <a href="https://publications.waset.org/abstracts/search?q=on-off%20control" title=" on-off control"> on-off control</a>, <a href="https://publications.waset.org/abstracts/search?q=hysteresis" title=" hysteresis"> hysteresis</a>, <a href="https://publications.waset.org/abstracts/search?q=multi-drug%20therapies" title=" multi-drug therapies"> multi-drug therapies</a> </p> <a href="https://publications.waset.org/abstracts/31489/multidrug-therapies-for-hiv-hybrid-on-off-hysteresis-on-off-control-and-simple-sti" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/31489.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">394</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> Comparison of Two Fuzzy Skyhook Control Strategies Applied to an Active Suspension</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Reginaldo%20Cardoso">Reginaldo Cardoso</a>, <a href="https://publications.waset.org/abstracts/search?q=Magno%20Enrique%20Mendoza%20Meza"> Magno Enrique Mendoza Meza</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This work focuses on simulation and comparison of two control skyhook techniques applied to a quarter-car of the active suspension. The objective is to provide comfort to the driver. The main idea of skyhook control is to imagine a damper connected to an imaginary sky; thus, the feedback is performed with the resultant force between the imaginary and the suspension damper. The first control technique is the Mandani fuzzy skyhook and the second control technique is a Takagi-Sugeno fuzzy skyhook controller, in the both controllers the inputs are the relative velocity between the two masses and the vehicle body velocity, the output of the Mandani fuzzy skyhook is the coefficient of imaginary damper viscous-friction and the Takagi-Sugeno fuzzy skyhook is the force. Finally, we compared the techniques. The Mandani fuzzy skyhook showed a more comfortable response to the driver, followed closely by the Takagi- Sugeno fuzzy skyhook. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=active%20suspention" title="active suspention">active suspention</a>, <a href="https://publications.waset.org/abstracts/search?q=Mandani" title=" Mandani"> Mandani</a>, <a href="https://publications.waset.org/abstracts/search?q=quarter-car" title=" quarter-car"> quarter-car</a>, <a href="https://publications.waset.org/abstracts/search?q=skyhook" title=" skyhook"> skyhook</a>, <a href="https://publications.waset.org/abstracts/search?q=Sugeno" title=" Sugeno"> Sugeno</a> </p> <a href="https://publications.waset.org/abstracts/32492/comparison-of-two-fuzzy-skyhook-control-strategies-applied-to-an-active-suspension" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/32492.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">464</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">126</span> Use of a Chagas Urine Nanoparticle Test (Chunap) to Correlate with Parasitemia Levels in T. cruzi/HIV Co-Infected Patients</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Yagahira%20E.%20Castro-Sesquen">Yagahira E. Castro-Sesquen</a>, <a href="https://publications.waset.org/abstracts/search?q=Robert%20H.%20Gilman"> Robert H. Gilman</a>, <a href="https://publications.waset.org/abstracts/search?q=Carolina%20Mejia"> Carolina Mejia</a>, <a href="https://publications.waset.org/abstracts/search?q=Daniel%20E.%20Clark"> Daniel E. Clark</a>, <a href="https://publications.waset.org/abstracts/search?q=Jeong%20Choi"> Jeong Choi</a>, <a href="https://publications.waset.org/abstracts/search?q=Melissa%20J.%20Reimer-Mcatee"> Melissa J. Reimer-Mcatee</a>, <a href="https://publications.waset.org/abstracts/search?q=Rocio%20Castro"> Rocio Castro</a>, <a href="https://publications.waset.org/abstracts/search?q=Jorge%20Flores"> Jorge Flores</a>, <a href="https://publications.waset.org/abstracts/search?q=Edward%20Valencia-Ayala"> Edward Valencia-Ayala</a>, <a href="https://publications.waset.org/abstracts/search?q=Faustino%20Torrico"> Faustino Torrico</a>, <a href="https://publications.waset.org/abstracts/search?q=Ricardo%20Castillo-Neyra"> Ricardo Castillo-Neyra</a>, <a href="https://publications.waset.org/abstracts/search?q=Lance%20Liotta"> Lance Liotta</a>, <a href="https://publications.waset.org/abstracts/search?q=Caryn%20Bern"> Caryn Bern</a>, <a href="https://publications.waset.org/abstracts/search?q=Alessandra%20Luchini"> Alessandra Luchini</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Early diagnosis of reactivation of Chagas disease in HIV patients could be lifesaving; however, in Latin American the diagnosis is performed by detection of parasitemia by microscopy which lacks sensitivity. To evaluate if levels of T. cruzi antigens in urine determined by Chunap (Chagas urine nanoparticle test) are correlated with parasitemia levels in T. cruzi/HIV co-infected patients. T. cruzi antigens in urine of HIV patients (N=55: 31 T. cruzi infected and 24 T. cruzi serology negative) were concentrated using hydrogel particles and quantified by Western Blot and a calibration curve. The percentage of Chagas positive patients determined by Chunap compared to blood microscopy, qPCR, and ELISA was 100% (6/6), 95% (18/19) and 74% (23/31), respectively. Chunap specificity was 91.7%. Linear regression analysis demonstrated a direct relationship between parasitemia levels (determined by qPCR) and urine T. cruzi antigen concentrations (p<0.001). A cut-off of > 105 pg was chosen to determine patients with reactivation of Chagas disease (6/6). Urine antigen concentration was significantly higher among patients with CD4+ lymphocyte counts below 200/mL (p=0.045). Chunap shows potential for early detection of reactivation and with appropriate adaptation can be used for monitoring Chagas disease status in T. cruzi/HIV co-infected patients. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=antigenuria" title="antigenuria">antigenuria</a>, <a href="https://publications.waset.org/abstracts/search?q=Chagas%20disease" title=" Chagas disease"> Chagas disease</a>, <a href="https://publications.waset.org/abstracts/search?q=Chunap" title=" Chunap"> Chunap</a>, <a href="https://publications.waset.org/abstracts/search?q=nanoparticles" title=" nanoparticles"> nanoparticles</a>, <a href="https://publications.waset.org/abstracts/search?q=parasitemia" title=" parasitemia"> parasitemia</a>, <a href="https://publications.waset.org/abstracts/search?q=poly%20N-isopropylacrylamide%20%28NIPAm%29%2Ftrypan%20blue%20particles%20%28polyNIPAm%2FTB%29" title=" poly N-isopropylacrylamide (NIPAm)/trypan blue particles (polyNIPAm/TB)"> poly N-isopropylacrylamide (NIPAm)/trypan blue particles (polyNIPAm/TB)</a>, <a href="https://publications.waset.org/abstracts/search?q=reactivation%20of%20Chagas%20disease." title=" reactivation of Chagas disease."> reactivation of Chagas disease.</a> </p> <a href="https://publications.waset.org/abstracts/40718/use-of-a-chagas-urine-nanoparticle-test-chunap-to-correlate-with-parasitemia-levels-in-t-cruzihiv-co-infected-patients" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/40718.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">377</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> Particle Swarm Optimization and Quantum Particle Swarm Optimization to Multidimensional Function Approximation</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Diogo%20Silva">Diogo Silva</a>, <a href="https://publications.waset.org/abstracts/search?q=Fadul%20Rodor"> Fadul Rodor</a>, <a href="https://publications.waset.org/abstracts/search?q=Carlos%20Moraes"> Carlos Moraes</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This work compares the results of multidimensional function approximation using two algorithms: the classical Particle Swarm Optimization (PSO) and the Quantum Particle Swarm Optimization (QPSO). These algorithms were both tested on three functions - The Rosenbrock, the Rastrigin, and the sphere functions - with different characteristics by increasing their number of dimensions. As a result, this study shows that the higher the function space, i.e. the larger the function dimension, the more evident the advantages of using the QPSO method compared to the PSO method in terms of performance and number of necessary iterations to reach the stop criterion. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=PSO" title="PSO">PSO</a>, <a href="https://publications.waset.org/abstracts/search?q=QPSO" title=" QPSO"> QPSO</a>, <a href="https://publications.waset.org/abstracts/search?q=function%20approximation" title=" function approximation"> function approximation</a>, <a href="https://publications.waset.org/abstracts/search?q=AI" title=" AI"> AI</a>, <a href="https://publications.waset.org/abstracts/search?q=optimization" title=" optimization"> optimization</a>, <a href="https://publications.waset.org/abstracts/search?q=multidimensional%20functions" title=" multidimensional functions"> multidimensional functions</a> </p> <a href="https://publications.waset.org/abstracts/81790/particle-swarm-optimization-and-quantum-particle-swarm-optimization-to-multidimensional-function-approximation" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/81790.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">589</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> Differential Item Functioning in the Vocabulary Test of Grade 7 Students in Public and Private Schools</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Dave%20Kenneth%20Tayao%20Cayado">Dave Kenneth Tayao Cayado</a>, <a href="https://publications.waset.org/abstracts/search?q=Carlo%20P.%20Magno"> Carlo P. Magno</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The most common source of bias detected are those of gender and socioeconomic status. The present study investigated the Differential Item Functioning (DIF) or item bias between public and private school students in a vocabulary test. Studies on DIF were expanded by using the type of school as a source of bias. There were 200 participants in this study. 100 came from a public secondary school and 100 came from a private secondary school. The vocabulary skills of students were measured using a standardized vocabulary test for grade 7 students. Using DIF, specifically the Rasch-Welch approach, it was found that out of 24 items, 12 were biased for a specific group. The vocabulary skills on the use of slang, idiomatic expression, personification, collocations, and partitive relations were biased for private schools while the use of slang and homonymous words were biased for public school students. The analysis debunked the trend that private school students are outperforming public school students in terms of academic achievement. It was revealed that there are some competencies that private school students are having difficulty and vice versa. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=differential%20item%20functioning" title="differential item functioning">differential item functioning</a>, <a href="https://publications.waset.org/abstracts/search?q=item%20bias" title=" item bias"> item bias</a>, <a href="https://publications.waset.org/abstracts/search?q=public%20school%20students" title=" public school students"> public school students</a>, <a href="https://publications.waset.org/abstracts/search?q=private%20school%20students" title=" private school students"> private school students</a>, <a href="https://publications.waset.org/abstracts/search?q=vocabulary" title=" vocabulary"> vocabulary</a> </p> <a href="https://publications.waset.org/abstracts/98866/differential-item-functioning-in-the-vocabulary-test-of-grade-7-students-in-public-and-private-schools" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/98866.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">191</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> Thermal Characterization of Graphene Oxide-Epoxy Nanocomposites Produced by Aqueous Emulsion</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=H.%20A.%20Brand%C3%A3o%20Cordeiro">H. A. Brandão Cordeiro</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20G.%20Bocardo"> M. G. Bocardo</a>, <a href="https://publications.waset.org/abstracts/search?q=N.%20C.%20Penteado"> N. C. Penteado</a>, <a href="https://publications.waset.org/abstracts/search?q=V.%20T.%20de%20Moraes"> V. T. de Moraes</a>, <a href="https://publications.waset.org/abstracts/search?q=S.%20M.%20Giampietri%20Lebr%C3%A3o"> S. M. Giampietri Lebrão</a>, <a href="https://publications.waset.org/abstracts/search?q=G.%20W.%20Lebr%C3%A3o"> G. W. Lebrão</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The present study desired to obtain a nanocomposite of epoxy resin reinforced with graphene oxide (OG), for aerospace application, produced by aqueous emulsion. It was obtained proof bodies with 0.00 wt%, 0.10 wt%, 0.25 wt% and 0.50 wt% in weight of nanoparticles, to check the influence of it in the final quality of the obtained product. The validation of the results was done by the application thermal characterization by differential scanning calorimetry (DSC). It was seen that the nanocomposite reinforced with 0.10 wt% of OG showed the best results, the average glass transition temperature, at 2 °C, compared to the pure resin. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=aqueous%20emulsion" title="aqueous emulsion">aqueous emulsion</a>, <a href="https://publications.waset.org/abstracts/search?q=graphene" title=" graphene"> graphene</a>, <a href="https://publications.waset.org/abstracts/search?q=nanocomposites" title=" nanocomposites"> nanocomposites</a>, <a href="https://publications.waset.org/abstracts/search?q=thermal%20characterization" title=" thermal characterization"> thermal characterization</a> </p> <a href="https://publications.waset.org/abstracts/86607/thermal-characterization-of-graphene-oxide-epoxy-nanocomposites-produced-by-aqueous-emulsion" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/86607.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">167</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> Self-Regulation in Composition Writing: The Case of Variation of Self-Regulation Dispositions in Opinion Essay and Technical Writing</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Dave%20Kenneth%20Tayao%20Cayado">Dave Kenneth Tayao Cayado</a>, <a href="https://publications.waset.org/abstracts/search?q=Carlo%20P.%20Magno"> Carlo P. Magno</a>, <a href="https://publications.waset.org/abstracts/search?q=Venice%20Cristine%20Dangaran"> Venice Cristine Dangaran</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The present study determines whether there will be differences in the self-regulation dispositions that learners utilize when writing different types of composition. There were 7 self-regulation factors that were used to develop a scale in this study such as memory strategy, goal setting, self-evaluation, seeking assistance, learning responsibility, environmental structuring, and organizing. The scale was made specific for writing a composition. The researcher-made scale was administered to 150 participants who all came from a university in the Philippines. The participants were asked to write two compositions namely opinion essay and research introduction/review of related literature. The zero-order correlation revealed that all the factors of self-regulation are correlated with one another. However, only seeking assistance and self-evaluation are correlated with opinion essay and technical writing is not correlated to any of the self-regulation factors. However, when path analysis was used, it was shown that seeking assistance can predict opinion essay scores whereas memory strategy, self-evaluation, and organizing can predict technical writing scores. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=opinion%20essay" title="opinion essay">opinion essay</a>, <a href="https://publications.waset.org/abstracts/search?q=self-regulation" title=" self-regulation"> self-regulation</a>, <a href="https://publications.waset.org/abstracts/search?q=technical%20writing" title=" technical writing"> technical writing</a>, <a href="https://publications.waset.org/abstracts/search?q=writing%20skills" title=" writing skills"> writing skills</a> </p> <a href="https://publications.waset.org/abstracts/98869/self-regulation-in-composition-writing-the-case-of-variation-of-self-regulation-dispositions-in-opinion-essay-and-technical-writing" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/98869.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">182</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> Stabilization of the Bernoulli-Euler Plate Equation: Numerical Analysis</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Carla%20E.%20O.%20de%20Moraes">Carla E. O. de Moraes</a>, <a href="https://publications.waset.org/abstracts/search?q=Gladson%20O.%20Antunes"> Gladson O. Antunes</a>, <a href="https://publications.waset.org/abstracts/search?q=Mauro%20A.%20Rincon"> Mauro A. Rincon</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The aim of this paper is to study the internal stabilization of the Bernoulli-Euler equation numerically. For this, we consider a square plate subjected to a feedback/damping force distributed only in a subdomain. An algorithm for obtaining an approximate solution to this problem was proposed and implemented. The numerical method used was the Finite Difference Method. Numerical simulations were performed and showed the behavior of the solution, confirming the theoretical results that have already been proved in the literature. In addition, we studied the validation of the numerical scheme proposed, followed by an analysis of the numerical error; and we conducted a study on the decay of the energy associated. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Bernoulli-Euler%20plate%20equation" title="Bernoulli-Euler plate equation">Bernoulli-Euler plate equation</a>, <a href="https://publications.waset.org/abstracts/search?q=numerical%20simulations" title=" numerical simulations"> numerical simulations</a>, <a href="https://publications.waset.org/abstracts/search?q=stability" title=" stability"> stability</a>, <a href="https://publications.waset.org/abstracts/search?q=energy%20decay" title=" energy decay"> energy decay</a>, <a href="https://publications.waset.org/abstracts/search?q=finite%20difference%20method" title=" finite difference method"> finite difference method</a> </p> <a href="https://publications.waset.org/abstracts/7035/stabilization-of-the-bernoulli-euler-plate-equation-numerical-analysis" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/7035.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">120</span> Naphtha Catalytic Reform: Modeling and Simulation of Unity</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Leal%20Leonardo">Leal Leonardo</a>, <a href="https://publications.waset.org/abstracts/search?q=Pires%20Carlos%20Augusto%20de%20Moraes"> Pires Carlos Augusto de Moraes</a>, <a href="https://publications.waset.org/abstracts/search?q=Casiraghi%20Magela"> Casiraghi Magela</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this work were realized the modeling and simulation of the catalytic reformer process, of ample form, considering all the equipment that influence the operation performance. Considered it a semi-regenerative reformer, with four reactors in series intercalated with four furnaces, two heat exchanges, one product separator and one recycle compressor. A simplified reactional system was considered, involving only ten chemical compounds related through five reactions. The considered process was the applied to aromatics production (benzene, toluene, and xylene). The models developed to diverse equipment were interconnecting in a simulator that consists of a computer program elaborate in FORTRAN 77. The simulation of the global model representative of reformer unity achieved results that are compatibles with the literature ones. It was then possible to study the effects of operational variables in the products concentration and in the performance of the unity equipment. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=catalytic%20reforming" title="catalytic reforming">catalytic reforming</a>, <a href="https://publications.waset.org/abstracts/search?q=modeling" title=" modeling"> modeling</a>, <a href="https://publications.waset.org/abstracts/search?q=simulation" title=" simulation"> simulation</a>, <a href="https://publications.waset.org/abstracts/search?q=petrochemical%20engineering" title=" petrochemical engineering"> petrochemical engineering</a> </p> <a href="https://publications.waset.org/abstracts/22923/naphtha-catalytic-reform-modeling-and-simulation-of-unity" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/22923.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">516</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> The Fake News Impact on the Public Policy Cycle: A Systemic Analysis through Documentary Survey</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Aron%20Miranda%20Burgos">Aron Miranda Burgos</a>, <a href="https://publications.waset.org/abstracts/search?q=Ergon%20Cugler%20de%20Moraes%20Silva"> Ergon Cugler de Moraes Silva</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In the present article, it is observed that the constant advancement of issues related to misinformation impacts the guarantee of the public policy cycle. Thus, it is found that the dissemination of false information has a direct influence on each of the component stages of this cycle. Therefore, in order to maintain scientific and theoretical credibility in the qualitative analysis process, it was necessary to logically interpose the concepts of firehosing of falsehood, fake news, public policy cycle, as well as using the epistemological and pragmatic mechanism at the intersection of such academic concepts, such as the scientific method. It was found, through the analysis of official documents and public notes, how the multiple theoretical perspectives evidence the commitment of the provision and elaboration of public policies, verifying the way in which the fake news impact each part of the process in this atmosphere. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=firehosing%20of%20falsehood" title="firehosing of falsehood">firehosing of falsehood</a>, <a href="https://publications.waset.org/abstracts/search?q=governance" title=" governance"> governance</a>, <a href="https://publications.waset.org/abstracts/search?q=misinformation" title=" misinformation"> misinformation</a>, <a href="https://publications.waset.org/abstracts/search?q=post-truth" title=" post-truth"> post-truth</a> </p> <a href="https://publications.waset.org/abstracts/111408/the-fake-news-impact-on-the-public-policy-cycle-a-systemic-analysis-through-documentary-survey" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/111408.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">139</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> Organizational Performance and Impact of Social Innovation </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Alfonso%20Unceta">Alfonso Unceta</a>, <a href="https://publications.waset.org/abstracts/search?q=Javier%20Castro-Spila"> Javier Castro-Spila </a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper offers a conceptual and empirical exploration between the organizational performance and the impact of social innovation. The paper contributes on the social innovation field in three domains: a) It provides analytical and empirical evidence linking organizational performance to the impact of social innovation; b) it provides a first outline of impact assessment of social innovation when it is developed by a diversity of heterogeneous actors (systemic social innovation); c) it provides a first outline for the development of innovation policies to support social innovations according to a typology of organizations and a typology of impact. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=absorptive%20capacity" title="absorptive capacity">absorptive capacity</a>, <a href="https://publications.waset.org/abstracts/search?q=social%20innovation%20impact" title=" social innovation impact"> social innovation impact</a>, <a href="https://publications.waset.org/abstracts/search?q=organizational%20performance" title=" organizational performance"> organizational performance</a>, <a href="https://publications.waset.org/abstracts/search?q=RESINDEX" title=" RESINDEX"> RESINDEX</a>, <a href="https://publications.waset.org/abstracts/search?q=Basque%20Country" title=" Basque Country"> Basque Country</a> </p> <a href="https://publications.waset.org/abstracts/31783/organizational-performance-and-impact-of-social-innovation" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/31783.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">486</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> Automatic Lead Qualification with Opinion Mining in Customer Relationship Management Projects</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Victor%20Radich">Victor Radich</a>, <a href="https://publications.waset.org/abstracts/search?q=Tania%20Basso"> Tania Basso</a>, <a href="https://publications.waset.org/abstracts/search?q=Regina%20Moraes"> Regina Moraes</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Lead qualification is one of the main procedures in Customer Relationship Management (CRM) projects. Its main goal is to identify potential consumers who have the ideal characteristics to establish a profitable and long-term relationship with a certain organization. Social networks can be an important source of data for identifying and qualifying leads since interest in specific products or services can be identified from the users’ expressed feelings of (dis)satisfaction. In this context, this work proposes the use of machine learning techniques and sentiment analysis as an extra step in the lead qualification process in order to improve it. In addition to machine learning models, sentiment analysis or opinion mining can be used to understand the evaluation that the user makes of a particular service, product, or brand. The results obtained so far have shown that it is possible to extract data from social networks and combine the techniques for a more complete classification. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=lead%20qualification" title="lead qualification">lead qualification</a>, <a href="https://publications.waset.org/abstracts/search?q=sentiment%20analysis" title=" sentiment analysis"> sentiment analysis</a>, <a href="https://publications.waset.org/abstracts/search?q=opinion%20mining" title=" opinion mining"> opinion mining</a>, <a href="https://publications.waset.org/abstracts/search?q=machine%20learning" title=" machine learning"> machine learning</a>, <a href="https://publications.waset.org/abstracts/search?q=CRM" title=" CRM"> CRM</a>, <a href="https://publications.waset.org/abstracts/search?q=lead%20scoring" title=" lead scoring"> lead scoring</a> </p> <a href="https://publications.waset.org/abstracts/183496/automatic-lead-qualification-with-opinion-mining-in-customer-relationship-management-projects" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/183496.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">85</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> Influence of Cure Degree in GO and CNT-Epoxy Nanocomposites</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Marina%20Borgert%20Moraes">Marina Borgert Moraes</a>, <a href="https://publications.waset.org/abstracts/search?q=Wesley%20Francisco"> Wesley Francisco</a>, <a href="https://publications.waset.org/abstracts/search?q=Filipe%20Vargas"> Filipe Vargas</a>, <a href="https://publications.waset.org/abstracts/search?q=Gilmar%20Patroc%C3%ADnio%20Thim"> Gilmar Patrocínio Thim</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In recent years, carbon nanotubes (CNT) and graphene oxide (GO), especially the functionalized ones, have been added to epoxy resin in order to increase the mechanical, electrical and thermal properties of nanocomposites. However, it's still unknown how the presence of these nanoparticles influences the curing process and the final mechanical properties as well. In this work, kinetic and mechanical properties of the nanocomposites were analyzed, where the kinetic process was followed by DSC and the mechanical properties by DMA. Initially, CNT was annealed at high temperature (1800 °C) under vacuum atmosphere, followed by a chemical treatment using acids and ethylenediamine. GO was synthesized through chemical route, washed clean, dried and ground to #200. The presence of functional groups on CNT and GO surface was confirmed by XPS spectra and FT-IR. Then, epoxy resin, nanoparticles and acetone were mixed by sonication in order to obtain the composites. DSC analyses were performed on samples with different curing cycles (1h 80°C + 2h 120°C; 3h 80°C + 2h 120°C; 5h 80°C) and samples with different times at constant temperature (120°C). Results showed that the kinetic process and the mechanical strength are very dependent on the presence of graphene and functionalized-CNT in the nanocomposites. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=carbon%20nanotube" title="carbon nanotube">carbon nanotube</a>, <a href="https://publications.waset.org/abstracts/search?q=epoxy%20resin" title=" epoxy resin"> epoxy resin</a>, <a href="https://publications.waset.org/abstracts/search?q=Graphene%20oxide" title=" Graphene oxide"> Graphene oxide</a>, <a href="https://publications.waset.org/abstracts/search?q=nanocomposite" title=" nanocomposite"> nanocomposite</a> </p> <a href="https://publications.waset.org/abstracts/32274/influence-of-cure-degree-in-go-and-cnt-epoxy-nanocomposites" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/32274.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">318</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> Evaluation of the Operating Parameters for Biodiesel Production Using a Membrane Reactor</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=S.%20S.%20L.%20Andrade">S. S. L. Andrade</a>, <a href="https://publications.waset.org/abstracts/search?q=E.%20A.%20Souza"> E. A. Souza</a>, <a href="https://publications.waset.org/abstracts/search?q=L.%20C.%20L.%20Santos"> L. C. L. Santos</a>, <a href="https://publications.waset.org/abstracts/search?q=C.%20Moraes"> C. Moraes</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20K.%20C.%20L.%20Lobato"> A. K. C. L. Lobato </a> </p> <p class="card-text"><strong>Abstract:</strong></p> Biodiesel production using membrane reactor has become increasingly studied, because this process minimizes some of the main problems encountered in the biodiesel purification. The membrane reactor tries to minimize post-treatment steps, resulting in cost savings and enabling the competitiveness of biodiesel produced by homogeneous alkaline catalysis. This is due to the reaction and product separation may occur simultaneously. In order to evaluate the production of biodiesel from soybean oils using a tubular membrane reactor, a factorial experimental design was conducted (2³) to evaluate the influence of following variables: temperature (45 to 60 °C), catalyst concentration (0.5 to 1% by weight) and molar ratio of oil/methanol (1/6 to 1/9). In addition, the parametric sensitivity was evaluated by the analysis of variance and model through the response surface. The results showed a tendency of influence of the variables in the reaction conversion. The significance effect was higher for the catalyst concentration followed by the molar ratio of oil/methanol and finally the temperature. The best result was obtained under the conditions of 1% catalyst (KOH), molar ratio oil/methanol of 1/9 and temperature of 60 °C, resulting in an ester content of 99.07%. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=biodiesel%20production" title="biodiesel production">biodiesel production</a>, <a href="https://publications.waset.org/abstracts/search?q=factorial%20design" title=" factorial design"> factorial design</a>, <a href="https://publications.waset.org/abstracts/search?q=membrane%20reactor" title=" membrane reactor"> membrane reactor</a>, <a href="https://publications.waset.org/abstracts/search?q=soybean%20oil" title=" soybean oil"> soybean oil</a> </p> <a href="https://publications.waset.org/abstracts/39575/evaluation-of-the-operating-parameters-for-biodiesel-production-using-a-membrane-reactor" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/39575.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">377</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> 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">113</span> A Comparison of Kinetic and Mechanical Properties between Graphene Oxide (GO) and Carbon Nanotubes (CNT)-Epoxy Nanocomposites</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Marina%20Borgert%20Moraes">Marina Borgert Moraes</a>, <a href="https://publications.waset.org/abstracts/search?q=Gilmar%20Patrocinio%20Thim"> Gilmar Patrocinio Thim</a> </p> <p class="card-text"><strong>Abstract:</strong></p> It is still unknown how the presence of nanoparticles such as graphene oxide (GO) or carbon nanotubes (CNT) influence the curing process and the final mechanical properties as well. In this work, kinetic and mechanical properties of the nanocomposites were analyzed, where the kinetic process was followed by DSC and the mechanical properties by DMA as well as mechanical tests. Initially, CNT was annealed at high temperature (1800 °C) under vacuum atmosphere, followed by a chemical treatment using acids and ethylenediamine. GO was synthesized through chemical route, washed clean, dried and ground to #200. The presence of functional groups on CNT and GO surface was confirmed by XPS spectra and FT-IR. Then, nanoparticles and acetone were mixed by sonication in order to obtain the composites. DSC analyses were performed on samples with different curing cycles (1h 80 °C + 2h 120 °C; 3h 80 °C + 2h 120 °C; 5h 80 °C) and samples with different times at constant temperature (120 °C). Mechanical tests were performed according to ASTM D638 and D790. Results showed that the kinetic process and the mechanical strength are very dependent on the presence of graphene and functionalized-CNT in the nanocomposites, and the GO reinforced samples had a slightly bigger improvement compared to functionalized CNT. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=carbon%20nanotube" title="carbon nanotube">carbon nanotube</a>, <a href="https://publications.waset.org/abstracts/search?q=epoxy%20resin" title=" epoxy resin"> epoxy resin</a>, <a href="https://publications.waset.org/abstracts/search?q=graphene%20oxide" title=" graphene oxide"> graphene oxide</a>, <a href="https://publications.waset.org/abstracts/search?q=nanocomposite" title=" nanocomposite"> nanocomposite</a> </p> <a href="https://publications.waset.org/abstracts/48422/a-comparison-of-kinetic-and-mechanical-properties-between-graphene-oxide-go-and-carbon-nanotubes-cnt-epoxy-nanocomposites" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/48422.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">262</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> Activated Carbons Prepared from Date Pits for Hydrogen Storage </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=M.%20Belhachemi">M. Belhachemi</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20Monteiro%20de%20Castro"> M. Monteiro de Castro</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20Casco"> M. Casco</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20Sep%C3%BAlveda-Escribano"> A. Sepúlveda-Escribano</a>, <a href="https://publications.waset.org/abstracts/search?q=F.%20Rodr%C3%ADguez-Reinoso"> F. Rodríguez-Reinoso</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this study, activated carbons were prepared from Algerian date pits using thermal activation with CO2 or steam. The prepared activated carbons were doped by vanadium oxide in order to increase the H2 adsorption capacity. The adsorbents were characterized by N2 and CO2 adsorption at 77 K and 273K, respectively. The hydrogen adsorption experiments were carried at 298K in the 0–100 bar pressure range using a volumetric equipment. The results show that the H2 adsorption capacity is influenced by the size and volume of micropores in the activated carbon adsorbent. Furthermore, vanadium doping of activated carbons has a slight positive effect on H2 storage. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=hydrogen%20storage" title="hydrogen storage">hydrogen storage</a>, <a href="https://publications.waset.org/abstracts/search?q=activated%20carbon" title=" activated carbon"> activated carbon</a>, <a href="https://publications.waset.org/abstracts/search?q=vanadium%20doping" title=" vanadium doping"> vanadium doping</a>, <a href="https://publications.waset.org/abstracts/search?q=adsorption" title=" adsorption"> adsorption</a> </p> <a href="https://publications.waset.org/abstracts/20659/activated-carbons-prepared-from-date-pits-for-hydrogen-storage" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/20659.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">570</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> Longevity of Soybean Seeds Submitted to Different Mechanized Harvesting Conditions</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Rute%20Faria">Rute Faria</a>, <a href="https://publications.waset.org/abstracts/search?q=Digo%20Moraes"> Digo Moraes</a>, <a href="https://publications.waset.org/abstracts/search?q=Amanda%20Santos"> Amanda Santos</a>, <a href="https://publications.waset.org/abstracts/search?q=Dione%20Morais"> Dione Morais</a>, <a href="https://publications.waset.org/abstracts/search?q=Maria%20Sartori"> Maria Sartori</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Seed vigor is a fundamental component for the good performance of the entire soybean production process. Seeds with mechanical damage at harvest time will be more susceptible to fungal and insect attack during storage, which will invariably reduce their vigor to the field, compromising uniformity and final stand performance. Harvesters, even the most modern ones, when not properly regulated or operated, can cause irreversible damages to the seeds, compromising even their commercialization. Therefore, the control of an efficient harvest is necessary in order to guarantee a good quality final product. In this work, the damage caused by two different harvesters (one rented, and another one) was evaluated, traveling in two speeds (4 and 8 km / h). The design was completely randomized in 2 x 2 factorial, with four replications. To evaluate the physiological quality seed germination and vigor tests were carried out over a period of six months. A multivariate analysis of Principal Components (PCA) and clustering allowed us to verify that the leased machine had better performance in the incidence of immediate damages in the seeds, but after a storage period of 6 months the vigor of these seeds reduced more than own machine evidencing that such a machine would bring more damages to the seeds. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Glycine%20max%20%28L.%29" title="Glycine max (L.)">Glycine max (L.)</a>, <a href="https://publications.waset.org/abstracts/search?q=cluster%20analysis" title=" cluster analysis"> cluster analysis</a>, <a href="https://publications.waset.org/abstracts/search?q=PCA" title=" PCA"> PCA</a>, <a href="https://publications.waset.org/abstracts/search?q=vigor" title=" vigor "> vigor </a> </p> <a href="https://publications.waset.org/abstracts/65470/longevity-of-soybean-seeds-submitted-to-different-mechanized-harvesting-conditions" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/65470.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">257</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> Evaluation of Interspecific Pollination of Elaeis guineensis and Elaeis oleifera Carried Out in the Ucayali Region-Peru</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Victor%20Sotero">Victor Sotero</a>, <a href="https://publications.waset.org/abstracts/search?q=Cindy%20Castro"> Cindy Castro</a>, <a href="https://publications.waset.org/abstracts/search?q=Ena%20Velazco"> Ena Velazco</a>, <a href="https://publications.waset.org/abstracts/search?q=Ursula%20Monteiro"> Ursula Monteiro</a>, <a href="https://publications.waset.org/abstracts/search?q=Dora%20Garcia"> Dora Garcia</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The aim of this study is to carry out the evaluation of the artificial pollination of the female flowers of E. oleifera with pollen of E. guineensis, to obtain the hybrid Palma OXG, which presents two characteristics of interest, such as high resistance to the disease of spear rot and high concentration of oleic acid. The works were carried out with matrices from the experimental fields and INIA in the Province of Colonel Portillo in the Ucayali Region-Peru. From the pollination of five species of E. oleifera, fruits were obtained in two of them, called O7 and O68, with a percentage of 23.6% and 18.6% of fertile fruits. When germination was carried out in a controlled environment of temperature, air, and humidity, only the O17 species were germinated with a yield of 68.7%. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Elaeis%20ole%C3%ADfera" title="Elaeis oleífera">Elaeis oleífera</a>, <a href="https://publications.waset.org/abstracts/search?q=Elaeis%20guineensis" title=" Elaeis guineensis"> Elaeis guineensis</a>, <a href="https://publications.waset.org/abstracts/search?q=palm%20OXG" title=" palm OXG"> palm OXG</a>, <a href="https://publications.waset.org/abstracts/search?q=pollination" title=" pollination"> pollination</a> </p> <a href="https://publications.waset.org/abstracts/150048/evaluation-of-interspecific-pollination-of-elaeis-guineensis-and-elaeis-oleifera-carried-out-in-the-ucayali-region-peru" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/150048.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">109</span> Contagion and Stock Interdependence in the BRIC+M Block</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Christian%20Bucio%20Pacheco">Christian Bucio Pacheco</a>, <a href="https://publications.waset.org/abstracts/search?q=Miriam%20Magnolia%20Sosa%20Castro"> Miriam Magnolia Sosa Castro</a>, <a href="https://publications.waset.org/abstracts/search?q=Mar%C3%ADa%20Alejandra%20Cabello%20Rosales"> María Alejandra Cabello Rosales</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper aims to analyze the contagion effect among the stock markets of the BRIC+M block (Brazil, Russia, India, China plus Mexico). The contagion effect is proved through increasing on dependence parameters during crisis periods. The dependence parameters are estimated through copula approach in a period of time from July 1997 to December 2015. During this period there are instability and calm episodes, allowing to analyze changes in the relations of dependence. Empirical results show strong evidence of time-varying dependence among the BRIC+M markets and an increasing dependence relation during global financial crisis period. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=BRIC%2BM%20Block" title="BRIC+M Block">BRIC+M Block</a>, <a href="https://publications.waset.org/abstracts/search?q=Contagion%20effect" title=" Contagion effect"> Contagion effect</a>, <a href="https://publications.waset.org/abstracts/search?q=Copula" title=" Copula"> Copula</a>, <a href="https://publications.waset.org/abstracts/search?q=dependence" title=" dependence"> dependence</a> </p> <a href="https://publications.waset.org/abstracts/58461/contagion-and-stock-interdependence-in-the-bricm-block" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/58461.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">347</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> Device to Alert and Fire Prevention through Temperature Monitoring and Gas Detection</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=D%C3%AAivisson%20Alves%20Anjos">Dêivisson Alves Anjos</a>, <a href="https://publications.waset.org/abstracts/search?q=Blenda%20Fonseca%20Aires%20Teles"> Blenda Fonseca Aires Teles</a>, <a href="https://publications.waset.org/abstracts/search?q=Queitiane%20Castro%20Costa"> Queitiane Castro Costa</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Fire is one of the biggest dangers for factories, warehouses, mills, among other places, causing unimaginable damage, because besides the material damage also directly affects the lives of workers who are likely to suffer death or very serious consequences. This protection of the lives of these people should be taken seriously, always seeking safety. Thus investment in security and monitoring equipment must be high, so you can prevent or reduce the impacts of a possible fire. Our device, made in PIC micro controller monitors the temperature and the presence of gas in the environment, it sends the data via Bluetooth device to a developed in LabVIEW interface saves these data continuously and alert if the temperature exceeds the allowed or some gas is detected. Currently the device is in operation and can perform several tests, as well as use in different areas for which you need anti-fire protection. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=pic" title="pic">pic</a>, <a href="https://publications.waset.org/abstracts/search?q=bluetooth" title=" bluetooth"> bluetooth</a>, <a href="https://publications.waset.org/abstracts/search?q=fire" title=" fire"> fire</a>, <a href="https://publications.waset.org/abstracts/search?q=temperature" title=" temperature"> temperature</a>, <a href="https://publications.waset.org/abstracts/search?q=gas" title=" gas"> gas</a>, <a href="https://publications.waset.org/abstracts/search?q=LabVIEW" title=" LabVIEW"> LabVIEW</a> </p> <a href="https://publications.waset.org/abstracts/20892/device-to-alert-and-fire-prevention-through-temperature-monitoring-and-gas-detection" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/20892.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">532</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> Biodegradability Evaluation of Polylactic Acid Composite with Natural Fiber (Sisal)</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=A.%20B%C3%A1rbara%20Cattozatto%20Fortunato">A. Bárbara Cattozatto Fortunato</a>, <a href="https://publications.waset.org/abstracts/search?q=D.%20de%20Lucca%20Soave"> D. de Lucca Soave</a>, <a href="https://publications.waset.org/abstracts/search?q=E.%20Pinheiro%20de%20Mello"> E. Pinheiro de Mello</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20Piasentini%20Oliva"> M. Piasentini Oliva</a>, <a href="https://publications.waset.org/abstracts/search?q=V.%20Tavares%20de%20Moraes"> V. Tavares de Moraes</a>, <a href="https://publications.waset.org/abstracts/search?q=G.%20Wolf%20Lebr%C3%A3o"> G. Wolf Lebrão</a>, <a href="https://publications.waset.org/abstracts/search?q=D.%20Fernandes%20Parra"> D. Fernandes Parra</a>, <a href="https://publications.waset.org/abstracts/search?q=S.%20Marraccini%20Giampietri%20Lebr%C3%A3o"> S. Marraccini Giampietri Lebrão</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Due to increasing environmental pressure for biodegradable products, especially in polymeric materials, in order to meet the demands of the biological cycles of the circular economy, new materials have been developed as a sustainability strategy. This study proposes a composite material developed from the biodegradable polymer PLA Ecovio® (polylactic acid - PLA) with natural sisal fibers, where the soybean ester was used as a plasticizer, which can aid in adhesion between the materials and fibers, making the most attractive final composite from an environmental point of view. The composites were obtained by extrusion. The materials tests were produced and submitted to biodegradation tests. Through the biodegradation tests, it can be seen that the biodegradable polymer composition with 5% sisal fiber presented about 12.4% more biodegradability compared to the polymer without fiber addition. It has also been found that the plasticizer was not a compatible with fibers and the polymer. Finally, fibers help to anticipate the decomposition process of the material when subjected to conditions of a landfill. Therefore, its intrinsic properties are not affected during its use, only the biodegradation process begins after its exposure to landfill conditions. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=biocomposites" title="biocomposites">biocomposites</a>, <a href="https://publications.waset.org/abstracts/search?q=sisal" title=" sisal"> sisal</a>, <a href="https://publications.waset.org/abstracts/search?q=polilactic%20acid" title=" polilactic acid"> polilactic acid</a>, <a href="https://publications.waset.org/abstracts/search?q=Polylactic%20Acid%20%28PLA%29" title=" Polylactic Acid (PLA)"> Polylactic Acid (PLA)</a> </p> <a href="https://publications.waset.org/abstracts/87364/biodegradability-evaluation-of-polylactic-acid-composite-with-natural-fiber-sisal" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/87364.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">247</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> Formaldehyde Degradation from Indoor Air by Encapsulated Microbial Cells</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=C.%20C.%20Castro">C. C. Castro</a>, <a href="https://publications.waset.org/abstracts/search?q=T.%20Senechal"> T. Senechal</a>, <a href="https://publications.waset.org/abstracts/search?q=D.%20Lahem"> D. Lahem</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20L.%20Hantson"> A. L. Hantson</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Formaldehyde is one of the most representative volatile organic compounds present in the indoor air of residential units and workplaces. Increased attention has been given to this toxic compound because of its carcinogenic effect in health. Biological or enzymatic transformation is being explored to degrade this pollutant. Pseudomonas putida is a bacteria able to synthesize formaldehyde dehydrogenase, an enzyme known to use formaldehyde as a substrate and transform it into less toxic compounds. The immobilization of bacterial cells in the surface of different supports through spraying or dip-coating is herein proposed. The determination of the enzymatic activity on the coated surfaces was performed as well as the study of its effect on formaldehyde degradation in an isolated chamber. Results show that the incorporation of microbial cells able to synthesize depolluting enzymes can be an innovative, low-cost, effective and environmentally friendly solution for indoor air depollution. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=cells%20encapsulation" title="cells encapsulation">cells encapsulation</a>, <a href="https://publications.waset.org/abstracts/search?q=formaldehyde" title=" formaldehyde"> formaldehyde</a>, <a href="https://publications.waset.org/abstracts/search?q=formaldehyde%20dehydrogenase" title=" formaldehyde dehydrogenase"> formaldehyde dehydrogenase</a>, <a href="https://publications.waset.org/abstracts/search?q=indoor%20air%20depollution" title=" indoor air depollution"> indoor air depollution</a> </p> <a href="https://publications.waset.org/abstracts/98563/formaldehyde-degradation-from-indoor-air-by-encapsulated-microbial-cells" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/98563.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">177</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> Production of High-Content Fructo-Oligosaccharides</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=C.%20Nobre">C. Nobre</a>, <a href="https://publications.waset.org/abstracts/search?q=C.%20C.%20Castro"> C. C. Castro</a>, <a href="https://publications.waset.org/abstracts/search?q=A.-L.%20Hantson"> A.-L. Hantson</a>, <a href="https://publications.waset.org/abstracts/search?q=J.%20A.%20Teixeira"> J. A. Teixeira</a>, <a href="https://publications.waset.org/abstracts/search?q=L.%20R.%20Rodrigues"> L. R. Rodrigues</a>, <a href="https://publications.waset.org/abstracts/search?q=G.%20De%20Weireld"> G. De Weireld</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Fructo-oligosaccharides (FOS) are produced from sucrose by Aureobasidium pullulans in yields between 40-60% (w/w). To increase the amount of FOS it is necessary to remove the small, non-prebiotic sugars, present. Two methods for producing high-purity FOS have been developed: the use of microorganisms able to consume small saccharides; and the use of continuous chromatography to separate sugars: simulated moving bed (SMB). It is herein proposed the combination of both methods. The aim of this study is to optimize the composition of the fermentative broth (in terms of salts and sugars) that will be further purified by SMB. A yield of 0.63 gFOS.g Sucrose-1 was obtained with A. pullulans using low amounts of salts in the initial fermentative broth. By removing the small sugars, Saccharomyces cerevisiae and Zymomonas mobilis increased the percentage of FOS from around 56.0% to 83% (w/w) in average, losing only 10% (w/w) of FOS during the recovery process. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=fructo-oligosaccharides" title="fructo-oligosaccharides">fructo-oligosaccharides</a>, <a href="https://publications.waset.org/abstracts/search?q=microbial%20treatment" title=" microbial treatment"> microbial treatment</a>, <a href="https://publications.waset.org/abstracts/search?q=Saccharomyces%20cerevisiae" title=" Saccharomyces cerevisiae"> Saccharomyces cerevisiae</a>, <a href="https://publications.waset.org/abstracts/search?q=Zymomonas%20mobilis" title=" Zymomonas mobilis"> Zymomonas mobilis</a> </p> <a href="https://publications.waset.org/abstracts/16472/production-of-high-content-fructo-oligosaccharides" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/16472.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">308</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> Contribution for Rural Development Trough Training in Organic Farming </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Raquel%20P.%20F.%20Guin%C3%A9">Raquel P. F. Guiné</a>, <a href="https://publications.waset.org/abstracts/search?q=Daniela%20V.%20T.%20A.%20Costa"> Daniela V. T. A. Costa</a>, <a href="https://publications.waset.org/abstracts/search?q=Paula%20M.%20R.%20Correia"> Paula M. R. Correia</a>, <a href="https://publications.waset.org/abstracts/search?q=Mois%C3%A9s%20Castro"> Moisés Castro</a>, <a href="https://publications.waset.org/abstracts/search?q=Luis%20T.%20Guerra"> Luis T. Guerra</a>, <a href="https://publications.waset.org/abstracts/search?q=Cristina%20A.%20Costa"> Cristina A. Costa</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The aim of this work was to characterize a potential target group of people interested in participating into a training program in organic farming in the context of mobile-learning. The information sought addressed in particular, but not exclusively, possible contents, formats and forms of evaluation that will contribute to define the course objectives and curriculum, as well as to ensure that the course meets the needs of the learners and their preferences. The sample was selected among different European countries. The questionnaires were delivered electronically for answering online and in the end 135 consented valid questionnaires were obtained. The results allowed characterizing the target group and identifying their training needs and preferences towards m-learning formats, giving valuable tools to design the training offer. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=mobile-learning" title="mobile-learning">mobile-learning</a>, <a href="https://publications.waset.org/abstracts/search?q=organic%20farming" title=" organic farming"> organic farming</a>, <a href="https://publications.waset.org/abstracts/search?q=rural%20development" title=" rural development"> rural development</a>, <a href="https://publications.waset.org/abstracts/search?q=survey" title=" survey"> survey</a> </p> <a href="https://publications.waset.org/abstracts/31373/contribution-for-rural-development-trough-training-in-organic-farming" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/31373.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">502</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> Stability Analysis of a Low Power Wind Turbine for the Simultaneous Generation of Energy through Two Electric Generators</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Daniel%20Icaza">Daniel Icaza</a>, <a href="https://publications.waset.org/abstracts/search?q=Federico%20C%C3%B3rdova"> Federico Córdova</a>, <a href="https://publications.waset.org/abstracts/search?q=Chiristian%20Castro"> Chiristian Castro</a>, <a href="https://publications.waset.org/abstracts/search?q=Fernando%20Icaza"> Fernando Icaza</a>, <a href="https://publications.waset.org/abstracts/search?q=Juan%20Portoviejo"> Juan Portoviejo</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this article, the mathematical model is presented, and simulations were carried out using specialized software such as MATLAB before the construction of a 900-W wind turbine. The present study was conducted with the intention of taking advantage of the rotation of the blades of the wind generator after going through a process of amplification of speed by means of a system of gears to finally mechanically couple two electric generators of similar characteristics. This coupling allows generating a maximum voltage of 6 V in DC for each generator and putting in series the 12 V DC is achieved, which is later stored in batteries and used when the user requires it. Laboratory tests were made to verify the level of power generation produced based on the wind speed at the entrance of the blades. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=smart%20grids" title="smart grids">smart grids</a>, <a href="https://publications.waset.org/abstracts/search?q=wind%20turbine" title=" wind turbine"> wind turbine</a>, <a href="https://publications.waset.org/abstracts/search?q=modeling" title=" modeling"> modeling</a>, <a href="https://publications.waset.org/abstracts/search?q=renewable%20energy" title=" renewable energy"> renewable energy</a>, <a href="https://publications.waset.org/abstracts/search?q=robust%20control" title=" robust control"> robust control</a> </p> <a href="https://publications.waset.org/abstracts/88441/stability-analysis-of-a-low-power-wind-turbine-for-the-simultaneous-generation-of-energy-through-two-electric-generators" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/88441.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">232</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> Entropy-Based Multichannel Stationary Measure for Characterization of Non-Stationary Patterns</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=J.%20D.%20Mart%C3%ADnez-Vargas">J. D. Martínez-Vargas</a>, <a href="https://publications.waset.org/abstracts/search?q=C.%20Castro-Hoyos"> C. Castro-Hoyos</a>, <a href="https://publications.waset.org/abstracts/search?q=G.%20Castellanos-Dominguez"> G. Castellanos-Dominguez</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this work, we propose a novel approach for measuring the stationarity level of a multichannel time-series. This measure is based on a stationarity definition over time-varying spectrum, and it is aimed to quantify the relation between local stationarity (single-channel) and global dynamic behavior (multichannel dynamics). To assess the proposed approach validity, we use a well known EEG-BCI database, that was constructed for separate between motor/imagery tasks. Thus, based on the statement that imagination of movements implies an increase on the EEG dynamics, we use as discriminant features the proposed measure computed over an estimation of the non-stationary components of input time-series. As measure of separability we use a t-student test, and the obtained results evidence that such measure is able to accurately detect the brain areas projected on the scalp where motor tasks are realized. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=stationary%20measure" title="stationary measure">stationary measure</a>, <a href="https://publications.waset.org/abstracts/search?q=entropy" title=" entropy"> entropy</a>, <a href="https://publications.waset.org/abstracts/search?q=sub-space%20projection" title=" sub-space projection"> sub-space projection</a>, <a href="https://publications.waset.org/abstracts/search?q=multichannel%20dynamics" title=" multichannel dynamics"> multichannel dynamics</a> </p> <a href="https://publications.waset.org/abstracts/9597/entropy-based-multichannel-stationary-measure-for-characterization-of-non-stationary-patterns" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/9597.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">412</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> Renewable Energy System Eolic-Photovoltaic for the Touristic Center La Tranca-Chordeleg in Ecuador</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Christian%20Castro%20Samaniego">Christian Castro Samaniego</a>, <a href="https://publications.waset.org/abstracts/search?q=Daniel%20Icaza%20Alvarez"> Daniel Icaza Alvarez</a>, <a href="https://publications.waset.org/abstracts/search?q=Juan%20Portoviejo%20Brito"> Juan Portoviejo Brito</a> </p> <p class="card-text"><strong>Abstract:</strong></p> For this research work, hybrid wind-photovoltaic (SHEF) systems were considered as renewable energy sources that take advantage of wind energy and solar radiation to transform into electrical energy. In the present research work, the feasibility of a wind-photovoltaic hybrid generation system was analyzed for the La Tranca tourist viewpoint of the Chordeleg canton in Ecuador. The research process consisted of the collection of data on solar radiation, temperature, wind speed among others by means of a meteorological station. Simulations were carried out in MATLAB/Simulink based on a mathematical model. In the end, we compared the theoretical radiation-power curves and the measurements made at the site. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=hybrid%20system" title="hybrid system">hybrid system</a>, <a href="https://publications.waset.org/abstracts/search?q=wind%20turbine" title=" wind turbine"> wind turbine</a>, <a href="https://publications.waset.org/abstracts/search?q=modeling" title=" modeling"> modeling</a>, <a href="https://publications.waset.org/abstracts/search?q=simulation" title=" simulation"> simulation</a>, <a href="https://publications.waset.org/abstracts/search?q=validation" title=" validation"> validation</a>, <a href="https://publications.waset.org/abstracts/search?q=experimental%20data" title=" experimental data"> experimental data</a>, <a href="https://publications.waset.org/abstracts/search?q=panel" title=" panel"> panel</a>, <a href="https://publications.waset.org/abstracts/search?q=Ecuador" title=" Ecuador"> Ecuador</a> </p> <a href="https://publications.waset.org/abstracts/88903/renewable-energy-system-eolic-photovoltaic-for-the-touristic-center-la-tranca-chordeleg-in-ecuador" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/88903.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">244</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=Magno%20Castro%20Moraes&page=2">2</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=Magno%20Castro%20Moraes&page=3">3</a></li> <li class="page-item"><a class="page-link" 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