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Toro</title> <meta name="description" content="Search results for: Teresa Toro"> <meta name="keywords" content="Teresa Toro"> <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" 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id="custom-search-input"> <div class="input-group"> <i class="fas fa-search"></i> <input type="text" class="search-query" name="q" placeholder="Author, Title, Abstract, Keywords" value="Teresa Toro"> <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> 97</div> </div> </div> </div> <h1 class="mt-3 mb-3 text-center" style="font-size:1.6rem;">Search results for: Teresa Toro</h1> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">97</span> Undernutrition Among Children Below Five Years of Age in Uganda: A Deep Dive into Space and Time</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Vallence%20Ngabo%20Maniragaba">Vallence Ngabo Maniragaba</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This study aimed at examining the variations of undernutrition among children below 5 years of age in Uganda. The approach of spatial and spatiotemporal analysis helped in identifying cluster patterns, hot spots and emerging hot spots. Data from the 6 Uganda Demographic and Health Surveys spanning from 1990 to 2016 were used with the main outcome variable being undernutrition among children <5 years of age. All data that were relevant to this study were retrieved from the survey datasets and combined with the 214 shape files for the districts of Uganda to enable spatial and spatiotemporal analysis. Spatial maps with the spatial distribution of the prevalence of undernutrition, both in space and time, were generated using ArcGIS Pro version 2.8. Moran’s I, an index of spatial autocorrelation, rules out doubts of spatial randomness in order to identify spatially clustered patterns of hot or cold spot areas. Furthermore, space-time cubes were generated to establish the trend in undernutrition as well as to mirror its variations over time and across Uganda. Moreover, emerging hot spot analysis was done to help identify the patterns of undernutrition over time. The results indicate a heterogeneous distribution of undernutrition across Uganda and the same variations were also evident over time. Moran’s I index confirmed spatial clustered patterns as opposed to random distributions of undernutrition prevalence. Four hot spot areas, namely; the Karamoja, the Sebei, the West Nile and the Toro regions were significantly evident, most of the central parts of Uganda were identified as cold spot clusters, while most of Western Uganda, the Acholi and the Lango regions had no statistically significant spatial patterns by the year 2016. The spatio-temporal analysis identified the Karamoja and Sebei regions as clusters of persistent, consecutive and intensifying hot spots, West Nile region was identified as a sporadic hot spot area while the Toro region was identified with both sporadic and emerging hotspots. In conclusion, undernutrition is a silent pandemic that needs to be handled with both hands. At 31.2 percent, the prevalence is still very high and unpleasant. The distribution across the country is nonuniform with some areas such as the Karamoja, the West Nile, the Sebei and the Toro regions being epicenters of undernutrition in Uganda. Over time, the same areas have experienced and exhibited high undernutrition prevalence. Policymakers, as well as the implementers, should bear in mind the spatial variations across the country and prioritize hot spot areas in order to have efficient, timely and region-specific interventions. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=undernutrition" title="undernutrition">undernutrition</a>, <a href="https://publications.waset.org/abstracts/search?q=spatial%20autocorrelation" title=" spatial autocorrelation"> spatial autocorrelation</a>, <a href="https://publications.waset.org/abstracts/search?q=hotspots%20analysis" title=" hotspots analysis"> hotspots analysis</a>, <a href="https://publications.waset.org/abstracts/search?q=geographically%20weighted%20regressions" title=" geographically weighted regressions"> geographically weighted regressions</a>, <a href="https://publications.waset.org/abstracts/search?q=emerging%20hotspots%20analysis" title=" emerging hotspots analysis"> emerging hotspots analysis</a>, <a href="https://publications.waset.org/abstracts/search?q=under-fives" title=" under-fives"> under-fives</a>, <a href="https://publications.waset.org/abstracts/search?q=Uganda" title=" Uganda"> Uganda</a> </p> <a href="https://publications.waset.org/abstracts/166530/undernutrition-among-children-below-five-years-of-age-in-uganda-a-deep-dive-into-space-and-time" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/166530.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">86</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">96</span> Effect of Hypoxia on the Antimicrobial Activity of Corvina Drum (Cilus Gilberti) Epidermal Mucus</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Belinda%20Vega">Belinda Vega</a>, <a href="https://publications.waset.org/abstracts/search?q=Claudio%20Alvarez"> Claudio Alvarez</a>, <a href="https://publications.waset.org/abstracts/search?q=H%C3%A9ctor%20Flores"> Héctor Flores</a>, <a href="https://publications.waset.org/abstracts/search?q=Marcia%20Oliva"> Marcia Oliva</a>, <a href="https://publications.waset.org/abstracts/search?q=Katherine%20Alveal"> Katherine Alveal</a>, <a href="https://publications.waset.org/abstracts/search?q=Teresa%20Toro"> Teresa Toro</a>, <a href="https://publications.waset.org/abstracts/search?q=Mar%C3%ADa%20Jos%C3%A9%20Tapia"> María José Tapia</a>, <a href="https://publications.waset.org/abstracts/search?q=Fanny%20Guzm%C3%A1n"> Fanny Guzmán</a> </p> <p class="card-text"><strong>Abstract:</strong></p> With the increase in global temperatures and the decrease of oxygen (O2) concentration in the oceans, fish cultures are exposed to frequent fluctuations in dissolved O2 (DO) concentration that can cause chronic stress in the animals, altering the normal functioning of their immune system and making them vulnerable to infections, consequently increasing morbidity and mortality in the farms with economic losses. The mucosal organs (skin -and mucus-, gills, gut, and nasal mucosa) are the first line of defense of the fish against pathogens. Therefore, the objective of this study is to evaluate the effect of hypoxia on the antimicrobial activity of epidermal mucus from corvina drum (Cilus Gilberti), a native marine species with the potential for the diversification of aquaculture in Chile. To achieve this, the epidermal mucus of juveniles (~220g) kept under normoxia (7 mg/L DO) and hypoxia (2 mg/L DO) environmental conditions was collected after 6 weeks, as well as after 6 days of intraperitoneal inoculation with lipopolysaccharide from Vibrio anguillarum to induce an immune response in the fish. Total protein extracts of the mucus were used for bactericidal activity and lysozyme and peroxidase activity assays. Although the mucus from both experimental groups showed inhibitory effects on the bacterial growth of Vibrio anguillarum and Vibrio ordalli, this effect was more long-lasting in the normoxia group. We also observed a notable reduction in the presence of lysozyme in the mucus from fish exposed to hypoxia, with no differences in peroxidase content. Future proteomic studies of corvina mucus associated with the environmental conditions studied in this work will allow the isolation and identification of peptides with antimicrobial activity, those responsible for the results obtained. This will help establish strategies aimed at minimizing the impacts of hypoxia on the defense responses of corvina drum against potential pathogens. Funding: FONDECYT 3200440 and FONDECYT 1210056 <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Cilus%20gilberti" title="Cilus gilberti">Cilus gilberti</a>, <a href="https://publications.waset.org/abstracts/search?q=mucus" title=" mucus"> mucus</a>, <a href="https://publications.waset.org/abstracts/search?q=antimicrobial%20activity" title=" antimicrobial activity"> antimicrobial activity</a>, <a href="https://publications.waset.org/abstracts/search?q=HYPOXIA" title=" HYPOXIA"> HYPOXIA</a> </p> <a href="https://publications.waset.org/abstracts/165891/effect-of-hypoxia-on-the-antimicrobial-activity-of-corvina-drum-cilus-gilberti-epidermal-mucus" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/165891.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">75</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">95</span> Methodology for the Selection of Chemical Textile Products</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Oscar%20F.%20Toro">Oscar F. Toro</a>, <a href="https://publications.waset.org/abstracts/search?q=Alexia%20Pardo%20Figueroa"> Alexia Pardo Figueroa</a>, <a href="https://publications.waset.org/abstracts/search?q=Brigitte%20M.%20Larico"> Brigitte M. Larico</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The development of new processes in the textile industry entails designing methodologies to select adequate supplies that fit these new processes requirements. This paper presents a methodology to select chemicals that fulfill a new process technical specifications. The proposed methodology involves three major phases: (1) Data collection of chemical products, (2) Qualitative pre-selection and (3) Laboratory tests. We have applied this methodology to the selection of a binder which will form a protective film above the textile fibers and bond them. Our findings were that, there exist five possible products that can be used in our new process: Arkofil, Elvanol, Size plus A, Size plus AC and Starch. This new methodology has both qualitative and experimental variables, and can be used to select supplies for new textile processes. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=binder" title="binder">binder</a>, <a href="https://publications.waset.org/abstracts/search?q=chemical%20products" title=" chemical products"> chemical products</a>, <a href="https://publications.waset.org/abstracts/search?q=selection%20methodology" title=" selection methodology"> selection methodology</a>, <a href="https://publications.waset.org/abstracts/search?q=textile%20supplies" title=" textile supplies"> textile supplies</a>, <a href="https://publications.waset.org/abstracts/search?q=textile%20fiber" title=" textile fiber"> textile fiber</a> </p> <a href="https://publications.waset.org/abstracts/67608/methodology-for-the-selection-of-chemical-textile-products" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/67608.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">296</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">94</span> Economic and Ecological Implications in Agricultural Production Within the Strong and Weak Sustainability Framework</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mauricio%20Quintero%20Angel">Mauricio Quintero Angel</a>, <a href="https://publications.waset.org/abstracts/search?q=Andr%C3%A9s%20A.%20Duque%20Nivia"> Andrés A. Duque Nivia</a>, <a href="https://publications.waset.org/abstracts/search?q=Carlos%20H.%20Fajardo%20Toro"> Carlos H. Fajardo Toro</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper analyzes two approaches of sustainability, the weak and strong, considering a case of study of oil palm production for an industry of biodegradable detergent. In this case, a company demand the oil palm as the active element for washing and through its trademark aims to supply 10% of the Colombian market of washing powders. Under each approach the economic and ecological implications of the palm oil production and especially the implications for crop management are described. The crop production under the weak sustainability implies plantations, intensive use of agrochemicals and the inclusion of new areas of cultivation as the market grows. Under the strong sustainability the production system is limited by the productive vocation of the ecosystem, so that new approaches and creativity for making viable the nature conservancy and the business development are require. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=agriculture" title="agriculture">agriculture</a>, <a href="https://publications.waset.org/abstracts/search?q=environmental%20impacts" title=" environmental impacts"> environmental impacts</a>, <a href="https://publications.waset.org/abstracts/search?q=oil%20palm" title=" oil palm"> oil palm</a>, <a href="https://publications.waset.org/abstracts/search?q=strong%20sustainability" title=" strong sustainability"> strong sustainability</a>, <a href="https://publications.waset.org/abstracts/search?q=weak%20sustainability" title=" weak sustainability "> weak sustainability </a> </p> <a href="https://publications.waset.org/abstracts/29377/economic-and-ecological-implications-in-agricultural-production-within-the-strong-and-weak-sustainability-framework" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/29377.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">433</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">93</span> The 'Saudade' Market and the Development of Tourism in the Azores: An Analysis of Travel Preferences of Azorean Emigrants</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Silvia%20Rocha">Silvia Rocha</a>, <a href="https://publications.waset.org/abstracts/search?q=Flavio%20Tiago"> Flavio Tiago</a>, <a href="https://publications.waset.org/abstracts/search?q=Maria%20Teresa%20Tiago"> Maria Teresa Tiago</a>, <a href="https://publications.waset.org/abstracts/search?q=Sandra%20Faria"> Sandra Faria</a>, <a href="https://publications.waset.org/abstracts/search?q=Joao%20Couto"> Joao Couto</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The Azores have a tourist potential that has been developing, especially after an increase in promotion and the liberalization of airspace. However, there is still a gap with regard to the understanding of tourists from North America. Previous studies referred to the existence of two basic types of touristic flows: Emigrants and locals. Looking to help fill this gap, a study of travelers from North America was conducted. Using cluster analysis, it was determined the existence of three segments: nostalgic, regular and frequent. The recognition of these three segments is important to determine the necessary adjustments in tourist offerings to this market. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=tourism" title="tourism">tourism</a>, <a href="https://publications.waset.org/abstracts/search?q=diaspora" title=" diaspora"> diaspora</a>, <a href="https://publications.waset.org/abstracts/search?q=nostalgia" title=" nostalgia"> nostalgia</a>, <a href="https://publications.waset.org/abstracts/search?q=culture" title=" culture"> culture</a> </p> <a href="https://publications.waset.org/abstracts/86744/the-saudade-market-and-the-development-of-tourism-in-the-azores-an-analysis-of-travel-preferences-of-azorean-emigrants" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/86744.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">193</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">92</span> Prediction of Coronary Heart Disease Using Fuzzy Logic</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Elda%20Maraj">Elda Maraj</a>, <a href="https://publications.waset.org/abstracts/search?q=Shkelqim%20Kuka"> Shkelqim Kuka</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Coronary heart disease causes many deaths in the world. Unfortunately, this problem will continue to increase in the future. In this paper, a fuzzy logic model to predict coronary heart disease is presented. This model has been developed with seven input variables and one output variable that was implemented for 30 patients in Albania. Here fuzzy logic toolbox of MATLAB is used. Fuzzy model inputs are considered as cholesterol, blood pressure, physical activity, age, BMI, smoking, and diabetes, whereas the output is the disease classification. The fuzzy sets and membership functions are chosen in an appropriate manner. Centroid method is used for defuzzification. The database is taken from University Hospital Center "Mother Teresa" in Tirana, Albania. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=coronary%20heart%20disease" title="coronary heart disease">coronary heart disease</a>, <a href="https://publications.waset.org/abstracts/search?q=fuzzy%20logic%20toolbox" title=" fuzzy logic toolbox"> fuzzy logic toolbox</a>, <a href="https://publications.waset.org/abstracts/search?q=membership%20function" title=" membership function"> membership function</a>, <a href="https://publications.waset.org/abstracts/search?q=prediction%20model" title=" prediction model"> prediction model</a> </p> <a href="https://publications.waset.org/abstracts/148911/prediction-of-coronary-heart-disease-using-fuzzy-logic" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/148911.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">161</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">91</span> Multivariate Control Chart to Determine Efficiency Measurements in Industrial Processes</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=J.%20J.%20Vargas">J. J. Vargas</a>, <a href="https://publications.waset.org/abstracts/search?q=N.%20Prieto"> N. Prieto</a>, <a href="https://publications.waset.org/abstracts/search?q=L.%20A.%20Toro"> L. A. Toro</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Control charts are commonly used to monitor processes involving either variable or attribute of quality characteristics and determining the control limits as a critical task for quality engineers to improve the processes. Nonetheless, in some applications it is necessary to include an estimation of efficiency. In this paper, the ability to define the efficiency of an industrial process was added to a control chart by means of incorporating a data envelopment analysis (DEA) approach. In depth, a Bayesian estimation was performed to calculate the posterior probability distribution of parameters as means and variance and covariance matrix. This technique allows to analyse the data set without the need of using the hypothetical large sample implied in the problem and to be treated as an approximation to the finite sample distribution. A rejection simulation method was carried out to generate random variables from the parameter functions. Each resulting vector was used by stochastic DEA model during several cycles for establishing the distribution of each efficiency measures for each DMU (decision making units). A control limit was calculated with model obtained and if a condition of a low level efficiency of DMU is presented, system efficiency is out of control. In the efficiency calculated a global optimum was reached, which ensures model reliability. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=data%20envelopment%20analysis" title="data envelopment analysis">data envelopment analysis</a>, <a href="https://publications.waset.org/abstracts/search?q=DEA" title=" DEA"> DEA</a>, <a href="https://publications.waset.org/abstracts/search?q=Multivariate%20control%20chart" title=" Multivariate control chart"> Multivariate control chart</a>, <a href="https://publications.waset.org/abstracts/search?q=rejection%20simulation%20method" title=" rejection simulation method"> rejection simulation method</a> </p> <a href="https://publications.waset.org/abstracts/37123/multivariate-control-chart-to-determine-efficiency-measurements-in-industrial-processes" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/37123.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">375</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">90</span> Numerical Study of Flow Characteristics and Performance of 14-X B Inlet with Blunted Cowl-Lip</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Sergio%20N.%20P.%20Lait%C3%B3n">Sergio N. P. Laitón</a>, <a href="https://publications.waset.org/abstracts/search?q=Paulo%20G.%20P.%20Toro"> Paulo G. P. Toro</a>, <a href="https://publications.waset.org/abstracts/search?q=Jo%C3%A3o%20F.%20%20Martos"> João F. Martos</a> </p> <p class="card-text"><strong>Abstract:</strong></p> A numerical study has been carried out to investigate the flow characteristics and performance of the 14-X B inlet with blunted cowl-lip. The Brazilian aerospace hypersonic vehicle 14-X B is a technology demonstrator of a hypersonic air-breathing propulsion system, based on supersonic combustion ramjet (scramjet). It is designed for Earth's atmospheric flight at Mach number of 6 and an altitude of 30 km. Currently, it is under development in the aerothermodynamics and hypersonic Professor Henry T. Nagamatsu laboratory at Advanced Studies Institute (IEAv). Numerical simulations were conducted at nominal freestream Mach number and altitude for two cowl-lip blunting radius and several angles of attack close to horizontal flight. The results show that the shock interference behavior on the blunted cowl-lip change with the angle of attack and blunted radius. The type VI or V together with III shock interferences are more likely to occur simultaneously at small negative angles of attack. When the inlet operates in positive angles of attack higher to 1, no shock interference occurs, only the bow shock conditions. The results indicate a high air pressure at beginning of the combustor and higher pressure recovery with 2 mm radius and positives angles of attack. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=blunted%20cowl-lip" title="blunted cowl-lip">blunted cowl-lip</a>, <a href="https://publications.waset.org/abstracts/search?q=hypersonic%20inlet" title=" hypersonic inlet"> hypersonic inlet</a>, <a href="https://publications.waset.org/abstracts/search?q=inlet%20unstart" title=" inlet unstart"> inlet unstart</a>, <a href="https://publications.waset.org/abstracts/search?q=shock%20interference" title=" shock interference"> shock interference</a> </p> <a href="https://publications.waset.org/abstracts/59537/numerical-study-of-flow-characteristics-and-performance-of-14-x-b-inlet-with-blunted-cowl-lip" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/59537.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">323</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">89</span> The Impact of Teaching Critical Reading Strategies on Students' Performance in English and Communication Skills in College of Education, Azare, Bauchi State Nigeria</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Musa%20Galadima%20Toro">Musa Galadima Toro</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The study focused on the impact of teaching critical reading strategies on students’ performance in English and communication skills at the college of education Azare Bauchi state, Nigeria. It adopted a pre-test, post-test experimental group design. A sample of two hundred and forty (240) students was randomly selected from four departments within the school. The students were randomized into two groups: experimental and control groups. The experimental group was taught critical reading strategies as a form of treatment, while the control group involved in normal reading comprehension exercises. The findings of the study showed a significant difference in the performance of students who were taught critical reading strategies at the post- test level. Recommendations based on the findings of the study were proffered such as placing more emphasis on teaching critical reading strategies in order to improve students’ creative thinking skills and also encouraging students to read articles in science and humanities to improve their reading skills among others. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=English" title="English">English</a>, <a href="https://publications.waset.org/abstracts/search?q=communication%20skill" title=" communication skill"> communication skill</a>, <a href="https://publications.waset.org/abstracts/search?q=critical%20reading" title=" critical reading"> critical reading</a>, <a href="https://publications.waset.org/abstracts/search?q=strategies" title=" strategies"> strategies</a> </p> <a href="https://publications.waset.org/abstracts/74329/the-impact-of-teaching-critical-reading-strategies-on-students-performance-in-english-and-communication-skills-in-college-of-education-azare-bauchi-state-nigeria" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/74329.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">273</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">88</span> Prevalence of Plastic Use in Building and Construction: An Analysis of 250 Common Building Materials</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Teresa%20McGrath">Teresa McGrath</a>, <a href="https://publications.waset.org/abstracts/search?q=Ryan%20Johnson"> Ryan Johnson</a>, <a href="https://publications.waset.org/abstracts/search?q=Rebecca%20Stamm"> Rebecca Stamm</a>, <a href="https://publications.waset.org/abstracts/search?q=Cassidy%20Clarity"> Cassidy Clarity</a>, <a href="https://publications.waset.org/abstracts/search?q=Wei%20Yung%20Lui"> Wei Yung Lui</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Building and construction is the second largest plastic user behind packaging, accounting for 16% of plastic production. Building and construction is also by far the largest user of one of the most impactful plastics, polyvinyl chloride (aka vinyl or PVC), accounting for 69% of PVC production. Building materials also have an outsized contribution to plastic pollution, including microplastic pollution. Yet building materials are often overlooked in plastic waste and pollution reduction efforts. Habitable will present a plastics and petrochemical analysis of over 250 common building material types and demonstrate how changes to building material selection towards safer, renewable, and lower carbon materials can reduce global consumption of plastics and associated pollution. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=building%20materials" title="building materials">building materials</a>, <a href="https://publications.waset.org/abstracts/search?q=fenceline%20communities" title=" fenceline communities"> fenceline communities</a>, <a href="https://publications.waset.org/abstracts/search?q=microplastics" title=" microplastics"> microplastics</a>, <a href="https://publications.waset.org/abstracts/search?q=safer%20alternatives" title=" safer alternatives"> safer alternatives</a>, <a href="https://publications.waset.org/abstracts/search?q=embodied%20carbon" title=" embodied carbon"> embodied carbon</a>, <a href="https://publications.waset.org/abstracts/search?q=life%20cycle%20analysis" title=" life cycle analysis"> life cycle analysis</a>, <a href="https://publications.waset.org/abstracts/search?q=petrochemicals" title=" petrochemicals"> petrochemicals</a>, <a href="https://publications.waset.org/abstracts/search?q=green%20chemistry" title=" green chemistry"> green chemistry</a> </p> <a href="https://publications.waset.org/abstracts/190126/prevalence-of-plastic-use-in-building-and-construction-an-analysis-of-250-common-building-materials" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/190126.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">25</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">87</span> EWMA and MEWMA Control Charts for Monitoring Mean and Variance in Industrial Processes</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=L.%20A.%20Toro">L. A. Toro</a>, <a href="https://publications.waset.org/abstracts/search?q=N.%20Prieto"> N. Prieto</a>, <a href="https://publications.waset.org/abstracts/search?q=J.%20J.%20Vargas"> J. J. Vargas </a> </p> <p class="card-text"><strong>Abstract:</strong></p> There are many control charts for monitoring mean and variance. Among these, the X y R, X y S, S2 Hotteling and Shewhart control charts, for mentioning some, are widely used for monitoring mean a variance in industrial processes. In particular, the Shewhart charts are based on the information about the process contained in the current observation only and ignore any information given by the entire sequence of points. Moreover, that the Shewhart chart is a control chart without memory. Consequently, Shewhart control charts are found to be less sensitive in detecting smaller shifts, particularly smaller than 1.5 times of the standard deviation. These kind of small shifts are important in many industrial applications. In this study and effective alternative to Shewhart control chart was implemented. In case of univariate process an Exponentially Moving Average (EWMA) control chart was developed and Multivariate Exponentially Moving Average (MEWMA) control chart in case of multivariate process. Both of these charts were based on memory and perform better that Shewhart chart while detecting smaller shifts. In these charts, information the past sample is cumulated up the current sample and then the decision about the process control is taken. The mentioned characteristic of EWMA and MEWMA charts, are of the paramount importance when it is necessary to control industrial process, because it is possible to correct or predict problems in the processes before they come to a dangerous limit. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=control%20charts" title="control charts">control charts</a>, <a href="https://publications.waset.org/abstracts/search?q=multivariate%20exponentially%20moving%20average%20%28MEWMA%29" title=" multivariate exponentially moving average (MEWMA)"> multivariate exponentially moving average (MEWMA)</a>, <a href="https://publications.waset.org/abstracts/search?q=exponentially%20moving%20average%20%28EWMA%29" title=" exponentially moving average (EWMA)"> exponentially moving average (EWMA)</a>, <a href="https://publications.waset.org/abstracts/search?q=industrial%20control%20process" title=" industrial control process"> industrial control process</a> </p> <a href="https://publications.waset.org/abstracts/38377/ewma-and-mewma-control-charts-for-monitoring-mean-and-variance-in-industrial-processes" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/38377.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">355</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">86</span> Preliminary Design of an Aerodynamic Protection for the Scramjet Engine Inlet of the Brazilian Technological Demonstrator Scramjet 14-X S</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Gustavo%20J.%20Costa">Gustavo J. Costa</a>, <a href="https://publications.waset.org/abstracts/search?q=Felipe%20J.%20Costa"> Felipe J. Costa</a>, <a href="https://publications.waset.org/abstracts/search?q=Bruno%20L.%20%20Coelho"> Bruno L. Coelho</a>, <a href="https://publications.waset.org/abstracts/search?q=Ronaldo%20L.%20Cardoso"> Ronaldo L. Cardoso</a>, <a href="https://publications.waset.org/abstracts/search?q=Rafael%20O.%20Santos"> Rafael O. Santos</a>, <a href="https://publications.waset.org/abstracts/search?q=Israel%20S.%20R%C3%AAgo"> Israel S. Rêgo</a>, <a href="https://publications.waset.org/abstracts/search?q=Marco%20A.%20S.%20Minucci"> Marco A. S. Minucci</a>, <a href="https://publications.waset.org/abstracts/search?q=Antonio%20C.%20%20Oliveira"> Antonio C. Oliveira</a>, <a href="https://publications.waset.org/abstracts/search?q=Paulo%20G.%20P.%20Toro"> Paulo G. P. Toro</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The Prof. Henry T. Nagamatsu Aerothermodynamics and Hipersonics Laboratory, of the Institute for Advanced Studies (IEAv) conducts research and development (R&D) of the Technological Demonstrator scramjet 14-X S, aiming atmospheric flight at 30 km altitude with the speed correspondent to Mach number 7, using scramjet technology providing hypersonic propulsion system based on supersonic combustion. Hypersonic aerospace vehicles with air-breathing supersonic propulsion system face extremal environments for super/hypersonic flights in terms of thermal and aerodynamic loads. Thus, it is necessary to use aerodynamic protection at the scramjet engine inlet to face the thermal and aerodynamic loads without compromising the efficiency of scramjet engine, taking into account: i) inlet design (boundary layer, oblique shockwave and reflected oblique shockwave); ii) wall temperature of the cowl and of the compression ramp; iii) supersonic flow into the combustion chamber. The aerodynamic protection of the scramjet engine inlet will act to prevent the engine unstart and match the predictions made by theoretical-analytical, numerical analysis and experimental research, during the atmospheric flight of the Technological Demonstrator scramjet 14-X S. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=14-X" title="14-X">14-X</a>, <a href="https://publications.waset.org/abstracts/search?q=hypersonic" title=" hypersonic"> hypersonic</a>, <a href="https://publications.waset.org/abstracts/search?q=scramjet" title=" scramjet"> scramjet</a>, <a href="https://publications.waset.org/abstracts/search?q=supersonic%20combustion" title=" supersonic combustion"> supersonic combustion</a> </p> <a href="https://publications.waset.org/abstracts/59517/preliminary-design-of-an-aerodynamic-protection-for-the-scramjet-engine-inlet-of-the-brazilian-technological-demonstrator-scramjet-14-x-s" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/59517.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">425</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">85</span> Correlations between Wear Rate and Energy Dissipation Mechanisms in a Ti6Al4V–WC/Co Sliding Pair</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=J.%20S.%20Rudas">J. S. Rudas</a>, <a href="https://publications.waset.org/abstracts/search?q=J.%20M.%20Guti%C3%A9rrez%20Cabeza"> J. M. Gutiérrez Cabeza</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20Corz%20Rodr%C3%ADguez"> A. Corz Rodríguez</a>, <a href="https://publications.waset.org/abstracts/search?q=L.%20M.%20G%C3%B3mez"> L. M. Gómez</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20O.%20Toro"> A. O. Toro</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The prediction of the wear rate of rubbing pairs has attracted the interest of many researchers for years. It has been recently proposed that the sliding wear rate can be inferred from the calculation of the energy rate dissipated by the tribological pair. In this paper some of the dissipative mechanisms present in a pin-on-disc configuration are discussed and both analytical and numerical calculations are carried out. Three dissipative mechanisms were studied: First, the energy release due to temperature gradients within the solid; second, the heat flow from the solid to the environment, and third, the energy loss due to abrasive damage of the surface. The Finite Element Method was used to calculate the dynamics of heat transfer within the solid, with the aid of commercial software. Validation the FEM model was assisted by virtual and laboratory experimentation using different operating points (sliding velocity and geometry contact). The materials for the experiments were Ti6Al4V alloy and Tungsten Carbide (WC-Co). The results showed that the sliding wear rate has a linear relationship with the energy dissipation flow. It was also found that energy loss due to micro-cutting is relevant for the system. This mechanism changes if the sliding velocity and pin geometry are modified though the degradation coefficient continues to present a linear behavior. We found that the less relevant dissipation mechanism for all the cases studied is the energy release by temperature gradients in the solid. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=degradation" title="degradation">degradation</a>, <a href="https://publications.waset.org/abstracts/search?q=dissipative%20mechanism" title=" dissipative mechanism"> dissipative mechanism</a>, <a href="https://publications.waset.org/abstracts/search?q=dry%20sliding" title=" dry sliding"> dry sliding</a>, <a href="https://publications.waset.org/abstracts/search?q=entropy" title=" entropy"> entropy</a>, <a href="https://publications.waset.org/abstracts/search?q=friction" title=" friction"> friction</a>, <a href="https://publications.waset.org/abstracts/search?q=wear" title=" wear "> wear </a> </p> <a href="https://publications.waset.org/abstracts/22761/correlations-between-wear-rate-and-energy-dissipation-mechanisms-in-a-ti6al4v-wcco-sliding-pair" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/22761.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">84</span> Preliminary Conceptions of 3D Prototyping Model to Experimental Investigation in Hypersonic Shock Tunnels</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Thiago%20Victor%20Cordeiro%20Marcos">Thiago Victor Cordeiro Marcos</a>, <a href="https://publications.waset.org/abstracts/search?q=Joao%20Felipe%20de%20Araujo%20Martos"> Joao Felipe de Araujo Martos</a>, <a href="https://publications.waset.org/abstracts/search?q=Ronaldo%20de%20Lima%20Cardoso"> Ronaldo de Lima Cardoso</a>, <a href="https://publications.waset.org/abstracts/search?q=David%20Romanelli%20Pinto"> David Romanelli Pinto</a>, <a href="https://publications.waset.org/abstracts/search?q=Paulo%20Gilberto%20de%20Paula%20Toro"> Paulo Gilberto de Paula Toro</a>, <a href="https://publications.waset.org/abstracts/search?q=Israel%20da%20Silveira%20Rego"> Israel da Silveira Rego</a>, <a href="https://publications.waset.org/abstracts/search?q=Antonio%20Carlos%20de%20Oliveira"> Antonio Carlos de Oliveira</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Currently, the use of 3D rapid prototyping, also known as 3D printing, has been investigated by some universities around the world as an innovative technique, fast, flexible and cheap for a direct plastic models manufacturing that are lighter and with complex geometries to be tested for hypersonic shock tunnel. Initially, the purpose is integrated prototyped parts with metal models that actually are manufactured through of the conventional machining and hereafter replace them with completely prototyped models. The mechanical design models to be tested in hypersonic shock tunnel are based on conventional manufacturing processes, therefore are limited forms and standard geometries. The use of 3D rapid prototyping offers a range of options that enables geometries innovation and ways to be used for the design new models. The conception and project of a prototyped model for hypersonic shock tunnel should be rethought and adapted when comparing the conventional manufacturing processes, in order to fully exploit the creativity and flexibility that are allowed by the 3D prototyping process. The objective of this paper is to compare the conception and project of a 3D rapid prototyping model and a conventional machining model, while showing the advantages and disadvantages of each process and the benefits that 3D prototyping can bring to the manufacture of models to be tested in hypersonic shock tunnel. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=3D%20printing" title="3D printing">3D printing</a>, <a href="https://publications.waset.org/abstracts/search?q=3D%20prototyping" title=" 3D prototyping"> 3D prototyping</a>, <a href="https://publications.waset.org/abstracts/search?q=experimental%20research" title=" experimental research"> experimental research</a>, <a href="https://publications.waset.org/abstracts/search?q=hypersonic%20shock%20tunnel" title=" hypersonic shock tunnel"> hypersonic shock tunnel</a> </p> <a href="https://publications.waset.org/abstracts/59503/preliminary-conceptions-of-3d-prototyping-model-to-experimental-investigation-in-hypersonic-shock-tunnels" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/59503.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">469</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">83</span> Behavioral Finance in Hundred Keywords</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ramon%20Hern%C3%A1n">Ramon Hernán</a>, <a href="https://publications.waset.org/abstracts/search?q=Maria%20Teresa%20Corzo"> Maria Teresa Corzo</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This study examines the impact and contribution of the main journals in the discipline of behavioral finance to determine the state of the art of the discipline and the growth lines and concepts studied to date. This is a unique and novel study given that a review of the discipline has not been carried out through the keywords of the articles that allows visualizing through this component of the research, which are the main topics of discussion and the relationships that arise between the concepts discussed. To carry out this study, 3,876 articles have been taken as a reference, which includes 15,859 keywords from the main journals responsible for the growth of the discipline.; Journal of Behavioral Finance, Review of Behavioral Finance, Journal of Behavioral and Experimental Economics, Journal of Behavioral and Experimental Economics and Review of Behavioral Finance. The results indicate which are the topics most covered in the discipline throughout the period from 2000 to 2020, how these concepts have been dealt with on a recurring basis along with others throughout the aforementioned period and how the different concepts have been grouped based on the keywords established by the authors for the classification of their articles with a network diagram to complete the analysis. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=behavioral%20finance" title="behavioral finance">behavioral finance</a>, <a href="https://publications.waset.org/abstracts/search?q=keywords" title=" keywords"> keywords</a>, <a href="https://publications.waset.org/abstracts/search?q=co-words" title=" co-words"> co-words</a>, <a href="https://publications.waset.org/abstracts/search?q=top%20journals" title=" top journals"> top journals</a>, <a href="https://publications.waset.org/abstracts/search?q=data%20visualization" title=" data visualization"> data visualization</a> </p> <a href="https://publications.waset.org/abstracts/142994/behavioral-finance-in-hundred-keywords" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/142994.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">82</span> Present and Future of Micromobility in the City of Medellin</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Saul%20Emilio%20Rivero%20Mejia">Saul Emilio Rivero Mejia</a>, <a href="https://publications.waset.org/abstracts/search?q=Estefanya%20Marin%20Tabares"> Estefanya Marin Tabares</a>, <a href="https://publications.waset.org/abstracts/search?q=Carlos%20Andres%20Rodriguez%20Toro"> Carlos Andres Rodriguez Toro</a>, <a href="https://publications.waset.org/abstracts/search?q=Katherine%20Bolano%20Restrepo"> Katherine Bolano Restrepo</a>, <a href="https://publications.waset.org/abstracts/search?q=Sarita%20Santa%20Cortes"> Sarita Santa Cortes </a> </p> <p class="card-text"><strong>Abstract:</strong></p> Medellin is the Colombian city with the best public transportation system in the country, which is composed of two subway lines, five metro cables, two Bus Rapid Transit lines, and a streetcar. But despite the above, the Aburra Valley, the area in which the city is located, comparatively speaking, has a lower number of urban roads per inhabitant built, compared to the national average. In addition, since there is approximately one vehicle for every three inhabitants in Medellin, the problems of congestion and environmental pollution have become more acute over the years, and it has even been necessary to implement restrictive measures to the use of private vehicles on a permanent basis. In that sense, due to the limitations of physical space, the low public investment in road infrastructure, it is necessary to opt for mobility alternatives according to the above. Within the options for the city, there is what is known as micromobility. Micromobility is understood as those small and light means of transport used to travel short distances, which use electrical energy, such as skateboards and bicycles. These transport alternatives have a high potential for use by the city's young population, but this requires an adequate infrastructure and also state regulation. Taking into account the above, this paper will analyze the current state and future of micro mobility in the city of Medellin, making a prospective analysis, supported by a PEST (political, economic, social and technological) analysis. Based on the above, it is expected to identify the growth of demand for these alternative means and its impact on the mobility of the city in the medium and short term. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=electric" title="electric">electric</a>, <a href="https://publications.waset.org/abstracts/search?q=micromobility" title=" micromobility"> micromobility</a>, <a href="https://publications.waset.org/abstracts/search?q=transport" title=" transport"> transport</a>, <a href="https://publications.waset.org/abstracts/search?q=sustainable" title=" sustainable"> sustainable</a> </p> <a href="https://publications.waset.org/abstracts/130696/present-and-future-of-micromobility-in-the-city-of-medellin" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/130696.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">125</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">81</span> Thermomechanical Processing of a CuZnAl Shape-Memory Alloy</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Pedro%20Henrique%20Alves%20Martins">Pedro Henrique Alves Martins</a>, <a href="https://publications.waset.org/abstracts/search?q=Paulo%20Guilherme%20%20Ferreira%20De%20Siqueira"> Paulo Guilherme Ferreira De Siqueira</a>, <a href="https://publications.waset.org/abstracts/search?q=Franco%20De%20Castro%20Bubani"> Franco De Castro Bubani</a>, <a href="https://publications.waset.org/abstracts/search?q=Maria%20Teresa%20Paulino%20Aguilar"> Maria Teresa Paulino Aguilar</a>, <a href="https://publications.waset.org/abstracts/search?q=Paulo%20Roberto%20%20Cetlin"> Paulo Roberto Cetlin</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Cu-base shape-memory alloys (CuZnAl, CuAlNi, CuAlBe, etc.) are promising engineering materials for several unconventional devices, such as sensors, actuators, and mechanical vibration dampers. Brittleness is one of the factors that limit the commercial use of these alloys, as it makes thermomechanical processing difficult. In this work, a method for the hot extrusion of a 75.50% Cu, 16,74% Zn, 7,76% Al (weight %) alloy is presented. The effects of the thermomechanical processing in the microstructure and the pseudoelastic behavior of the alloy are assessed by optical metallography, compression and hardness tests. Results show that hot extrusion is a suitable method to obtain severe cross-section reductions in the CuZnAl shape-memory alloy studied. The alloy maintained its pseudoelastic effect after the extrusion and the modifications in the mechanical behavior caused by precipitation during hot extrusion can be minimized by a suitable precipitate dissolution heat treatment. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=hot%20extrusion" title="hot extrusion">hot extrusion</a>, <a href="https://publications.waset.org/abstracts/search?q=pseudoelastic" title=" pseudoelastic"> pseudoelastic</a>, <a href="https://publications.waset.org/abstracts/search?q=shape-memory%20alloy" title=" shape-memory alloy"> shape-memory alloy</a>, <a href="https://publications.waset.org/abstracts/search?q=thermomechanical%20processing" title=" thermomechanical processing"> thermomechanical processing</a> </p> <a href="https://publications.waset.org/abstracts/70427/thermomechanical-processing-of-a-cuznal-shape-memory-alloy" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/70427.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">374</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">80</span> Estimation of the Drought Index Based on the Climatic Projections of Precipitation of the Uruguay River Basin</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Jos%C3%A9%20Leandro%20Melgar%20N%C3%A9ris">José Leandro Melgar Néris</a>, <a href="https://publications.waset.org/abstracts/search?q=Claudin%C3%A9ia%20Brazil"> Claudinéia Brazil</a>, <a href="https://publications.waset.org/abstracts/search?q=Luciane%20Teresa%20Salvi"> Luciane Teresa Salvi</a>, <a href="https://publications.waset.org/abstracts/search?q=Isabel%20Cristina%20Damin"> Isabel Cristina Damin</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The impact the climate change is not recent, the main variable in the hydrological cycle is the sequence and shortage of a drought, which has a significant impact on the socioeconomic, agricultural and environmental spheres. This study aims to characterize and quantify, based on precipitation climatic projections, the rainy and dry events in the region of the Uruguay River Basin, through the Standardized Precipitation Index (SPI). The database is the image that is part of the Intercomparison of Model Models, Phase 5 (CMIP5), which provides condition prediction models, organized according to the Representative Routes of Concentration (CPR). Compared to the normal set of climates in the Uruguay River Watershed through precipitation projections, seasonal precipitation increases for all proposed scenarios, with a low climate trend. From the data of this research, the idea is that this article can be used to support research and the responsible bodies can use it as a subsidy for mitigation measures in other hydrographic basins. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=climate%20change" title="climate change">climate change</a>, <a href="https://publications.waset.org/abstracts/search?q=climatic%20model" title=" climatic model"> climatic model</a>, <a href="https://publications.waset.org/abstracts/search?q=dry%20events" title=" dry events"> dry events</a>, <a href="https://publications.waset.org/abstracts/search?q=precipitation%20projections" title=" precipitation projections"> precipitation projections</a> </p> <a href="https://publications.waset.org/abstracts/105773/estimation-of-the-drought-index-based-on-the-climatic-projections-of-precipitation-of-the-uruguay-river-basin" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/105773.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">144</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">79</span> Influences of Separation of the Boundary Layer in the Reservoir Pressure in the Shock Tube</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Bruno%20Coelho%20Lima">Bruno Coelho Lima</a>, <a href="https://publications.waset.org/abstracts/search?q=Joao%20F.A.%20Martos"> Joao F.A. Martos</a>, <a href="https://publications.waset.org/abstracts/search?q=Paulo%20G.%20P.%20Toro"> Paulo G. P. Toro</a>, <a href="https://publications.waset.org/abstracts/search?q=Israel%20S.%20Rego"> Israel S. Rego</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The shock tube is a ground-facility widely used in aerospace and aeronautics science and technology for studies on gas dynamic and chemical-physical processes in gases at high-temperature, explosions and dynamic calibration of pressure sensors. A shock tube in its simplest form is comprised of two separate tubes of equal cross-section by a diaphragm. The diaphragm function is to separate the two reservoirs at different pressures. The reservoir containing high pressure is called the Driver, the low pressure reservoir is called Driven. When the diaphragm is broken by pressure difference, a normal shock wave and non-stationary (named Incident Shock Wave) will be formed in the same place of diaphragm and will get around toward the closed end of Driven. When this shock wave reaches the closer end of the Driven section will be completely reflected. Now, the shock wave will interact with the boundary layer that was created by the induced flow by incident shock wave passage. The interaction between boundary layer and shock wave force the separation of the boundary layer. The aim of this paper is to make an analysis of influences of separation of the boundary layer in the reservoir pressure in the shock tube. A comparison among CDF (Computational Fluids Dynamics), experiments test and analytical analysis were performed. For the analytical analysis, some routines in Python was created, in the numerical simulations (Computational Fluids Dynamics) was used the Ansys Fluent, and the experimental tests were used T1 shock tube located in IEAv (Institute of Advanced Studies). <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=boundary%20layer%20separation" title="boundary layer separation">boundary layer separation</a>, <a href="https://publications.waset.org/abstracts/search?q=moving%20shock%20wave" title=" moving shock wave"> moving shock wave</a>, <a href="https://publications.waset.org/abstracts/search?q=shock%20tube" title=" shock tube"> shock tube</a>, <a href="https://publications.waset.org/abstracts/search?q=transient%20simulation" title=" transient simulation"> transient simulation</a> </p> <a href="https://publications.waset.org/abstracts/59608/influences-of-separation-of-the-boundary-layer-in-the-reservoir-pressure-in-the-shock-tube" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/59608.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">315</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">78</span> Barriers to Public Innovation in Colombia: Case Study in Central Administrative Region</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Yessenia%20Parrado">Yessenia Parrado</a>, <a href="https://publications.waset.org/abstracts/search?q=Ana%20Barbosa"> Ana Barbosa</a>, <a href="https://publications.waset.org/abstracts/search?q=Daniela%20Mahe"> Daniela Mahe</a>, <a href="https://publications.waset.org/abstracts/search?q=Sebastian%20Toro"> Sebastian Toro</a>, <a href="https://publications.waset.org/abstracts/search?q=Jhon%20Garcia"> Jhon Garcia</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Public innovation has gained strength in recent years in response to the need to find new strategies or mechanisms to interact between government entities and citizens. In this way, the Colombian government has been promoting policies aimed at strengthening innovation as a fundamental aspect in the work of public entities. However, in order to potentiate the capacities of public servants and therefore of the institutions and organizations to which they belong, it is necessary to be able to understand the context under which they operate in their daily work. This article aims to compile the work developed by the laboratory of innovation, creativity, and new technologies LAB101 of the National University of Colombia for the National Department of Planning. A case study was developed in the central region of Colombia made up of five departments, through the construction of instruments based on quantitative techniques in response to the item combined with qualitative analysis through semi-structured interviews to understand the perception of possible barriers to innovation and the obstacles that have prevented the acceleration of transformation within public organizations. From the information collected, different analyzes are carried out that allows a more robust explanation to be given to the results obtained, and a set of categories are established to group different characteristics associated with possible difficulties that officials perceive to innovate and that are later conceived as barriers. Finally, a proposal for an indicator was built to measure the degree of innovation within public entities in order to be able to carry a metric in future opportunities. The main findings of this study show three key components to be strengthened in public entities and organizations: governance, knowledge management, and the promotion of collaborative workspaces. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=barriers" title="barriers">barriers</a>, <a href="https://publications.waset.org/abstracts/search?q=enablers" title=" enablers"> enablers</a>, <a href="https://publications.waset.org/abstracts/search?q=management" title=" management"> management</a>, <a href="https://publications.waset.org/abstracts/search?q=public%20innovation" title=" public innovation"> public innovation</a> </p> <a href="https://publications.waset.org/abstracts/135086/barriers-to-public-innovation-in-colombia-case-study-in-central-administrative-region" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/135086.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">115</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">77</span> Barriers and Enablers to Public Innovation in the Central Region of Colombia: A Characterization from Measurement through the Item Response Methodology and Comparative Analysis</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Yessenia%20Parrado">Yessenia Parrado</a>, <a href="https://publications.waset.org/abstracts/search?q=Ana%20Barbosa"> Ana Barbosa</a>, <a href="https://publications.waset.org/abstracts/search?q=Daniela%20Mahe"> Daniela Mahe</a>, <a href="https://publications.waset.org/abstracts/search?q=Sebastian%20Toro"> Sebastian Toro</a>, <a href="https://publications.waset.org/abstracts/search?q=Jhon%20Garcia"> Jhon Garcia</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The purpose of this work is to present the identification and characterization of the barriers and enablers to public innovation in the Central Region of Colombia from a mixed methodology in a research carried out in 2020 by the Laboratory of Innovation, Creativity and New Technologies of the National University of Colombia in alliance with the National Planning Department. Based on the research, the index of barriers to regional and departmental public innovation was built, which reflects the level of difficulty of the territorial entities to overcome the barriers present around three dimensions: organizational structure of the entity, generation of public value, and governance processes. The index was built from the item response methodology and the multiple correspondence analysis from the application of an institutional information form for public entities and a perception form for public servants. This investigation had the participation of 36 entities and 1038 servers and servants from the departments of Huila, Meta, Boyacá, Cundinamarca, Tolima, and the Capital District. In this exercise, it was identified that the departmental indices range between 13 and 44 and that the regional index was 30 out of 100. From the analysis of the information, it was possible to establish that the main barriers are the lack of specialized agencies for public innovation exercises, lack of qualified personnel and work methodologies for public innovation, inadequate information management, lack of feedback between the learning from governmental and non-governmental entities, the inability of the initiatives to generate binding participation mechanisms and the lack of qualification of citizens to participate in these processes. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=item%20response" title="item response">item response</a>, <a href="https://publications.waset.org/abstracts/search?q=public%20innovation" title=" public innovation"> public innovation</a>, <a href="https://publications.waset.org/abstracts/search?q=quantitative%20analysis" title=" quantitative analysis"> quantitative analysis</a>, <a href="https://publications.waset.org/abstracts/search?q=compared%20analysis" title=" compared analysis"> compared analysis</a> </p> <a href="https://publications.waset.org/abstracts/135090/barriers-and-enablers-to-public-innovation-in-the-central-region-of-colombia-a-characterization-from-measurement-through-the-item-response-methodology-and-comparative-analysis" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/135090.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">125</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">76</span> Experimental Analysis for the Inlet of the Brazilian Aerospace Vehicle 14-X B</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Jo%C3%A3o%20F.%20A.%20Martos">João F. A. Martos</a>, <a href="https://publications.waset.org/abstracts/search?q=Felipe%20J.%20Costa"> Felipe J. Costa</a>, <a href="https://publications.waset.org/abstracts/search?q=Sergio%20N.%20P.%20Laiton"> Sergio N. P. Laiton</a>, <a href="https://publications.waset.org/abstracts/search?q=Bruno%20C.%20Lima"> Bruno C. Lima</a>, <a href="https://publications.waset.org/abstracts/search?q=Israel%20S.%20R%C3%AAgo"> Israel S. Rêgo</a>, <a href="https://publications.waset.org/abstracts/search?q=Paulo%20P.%20G.%20Toro"> Paulo P. G. Toro</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Nowadays, the scramjet is a topic that has attracted the attention of several scientific communities (USA, Australia, Germany, France, Japan, India, China, Russia), that are investing in this in this type of propulsion system due its interest to facilitate access to space and reach hypersonic speed, who have invested in this type of propulsion due to the interest in facilitating access to space. The Brazilian hypersonic scramjet aerospace vehicle 14-X B is a technological demonstrator of a hypersonic airbreathing propulsion system based on the supersonic combustion (scramjet) intended to be tested in flight into the Earth's atmosphere at 30 km altitude and Mach number 7. The 14-X B has been designed at the Prof. Henry T. Nagamatsu Laboratory of Aerothermodynamics and Hypersonics of the Institute for Advanced Studies (IEAv) in Brazil. The IEAv Hypersonic Shock Tunnel, named T3, is a ground-test facility able to reproduce the flight conditions as the Mach number as well as pressure and temperature in the test section close to those encountered during the test flight of the vehicle 14-X B into design conditions. A 1-m long stainless steel 14-X B model was experimentally investigated at T3 Hypersonic Shock Tunnel, for freestream Mach number 7. Static pressure measurements along the lower surface of the 14-X B model, along with high-speed schlieren photographs taken from the 5.5° leading edge and the 14.5° deflection compression ramp, provided experimental data that were compared to the analytical-theoretical solutions and the computational fluid dynamics (CFD) simulations. The results show a good qualitative agreement, and in consequence demonstrating the importance of these methods in the project of the 14-X B hypersonic aerospace vehicle. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=14-X" title="14-X">14-X</a>, <a href="https://publications.waset.org/abstracts/search?q=CFD" title=" CFD"> CFD</a>, <a href="https://publications.waset.org/abstracts/search?q=hypersonic" title=" hypersonic"> hypersonic</a>, <a href="https://publications.waset.org/abstracts/search?q=hypersonic%20shock%20tunnel" title=" hypersonic shock tunnel"> hypersonic shock tunnel</a>, <a href="https://publications.waset.org/abstracts/search?q=scramjet" title=" scramjet"> scramjet</a> </p> <a href="https://publications.waset.org/abstracts/59340/experimental-analysis-for-the-inlet-of-the-brazilian-aerospace-vehicle-14-x-b" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/59340.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">360</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">75</span> Each One, Reach One: Peer Mentoring Support for Faculty Women of Color</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Teresa%20Leary%20Handy">Teresa Leary Handy</a> </p> <p class="card-text"><strong>Abstract:</strong></p> As awareness of the importance of diversity has increased in society, higher education has also begun to recognize the importance of supporting faculty of color. In the university setting, faculty women of color specifically encounter barriers that impact their level of job satisfaction, retention rates, and pedagogical practices. These barriers and challenges not only undermine faculty diversity efforts but also hinder the ability of colleges and universities to provide a supportive environment that fosters students' academic success and sense of belonging. Faculty who are marginalized and on the periphery in higher education institutions need support so that they can feel confident in building a student’s sense of belonging which can impact a student’s academic success and goal of earning a college degree. This study examined and sought to understand the importance of supporting faculty of color, specifically women faculty of color, and how this type of faculty support can impact student academic success and a student’s sense of belonging. The study furthered original research on strategies to move an institution forward on the equity spectrum to support belonging and inclusions as core culture elements. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=equity" title="equity">equity</a>, <a href="https://publications.waset.org/abstracts/search?q=inclusion" title=" inclusion"> inclusion</a>, <a href="https://publications.waset.org/abstracts/search?q=belonging" title=" belonging"> belonging</a>, <a href="https://publications.waset.org/abstracts/search?q=women" title=" women"> women</a>, <a href="https://publications.waset.org/abstracts/search?q=faculty%20support" title=" faculty support"> faculty support</a> </p> <a href="https://publications.waset.org/abstracts/170668/each-one-reach-one-peer-mentoring-support-for-faculty-women-of-color" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/170668.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">67</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">74</span> Analysis of an Alternative Data Base for the Estimation of Solar Radiation</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Graciela%20Soares%20Marcelli">Graciela Soares Marcelli</a>, <a href="https://publications.waset.org/abstracts/search?q=Elison%20Eduardo%20Jardim%20Bierhals"> Elison Eduardo Jardim Bierhals</a>, <a href="https://publications.waset.org/abstracts/search?q=Luciane%20Teresa%20Salvi"> Luciane Teresa Salvi</a>, <a href="https://publications.waset.org/abstracts/search?q=Claudineia%20Brazil"> Claudineia Brazil</a>, <a href="https://publications.waset.org/abstracts/search?q=Rafael%20Haag"> Rafael Haag</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The sun is a source of renewable energy, and its use as both a source of heat and light is one of the most promising energy alternatives for the future. To measure the thermal or photovoltaic systems a solar irradiation database is necessary. Brazil still has a reduced number of meteorological stations that provide frequency tests, as an alternative to the radio data platform, with reanalysis systems, quite significant. ERA-Interim is a global fire reanalysis by the European Center for Medium-Range Weather Forecasts (ECMWF). The data assimilation system used for the production of ERA-Interim is based on a 2006 version of the IFS (Cy31r2). The system includes a 4-dimensional variable analysis (4D-Var) with a 12-hour analysis window. The spatial resolution of the dataset is approximately 80 km at 60 vertical levels from the surface to 0.1 hPa. This work aims to make a comparative analysis between the ERA-Interim data and the data observed in the Solarimmetric Atlas of the State of Rio Grande do Sul, to verify its applicability in the absence of an observed data network. The analysis of the results obtained for a study region as an alternative to the energy potential of a given region. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=energy%20potential" title="energy potential">energy potential</a>, <a href="https://publications.waset.org/abstracts/search?q=reanalyses" title=" reanalyses"> reanalyses</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=solar%20radiation" title=" solar radiation"> solar radiation</a> </p> <a href="https://publications.waset.org/abstracts/99088/analysis-of-an-alternative-data-base-for-the-estimation-of-solar-radiation" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/99088.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">164</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">73</span> Development of Biotechnological Emulsion Based on Bullfrog (Rana catesbeiana Shaw) Oil: A Preliminary Study</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Lourena%20M.%20Ver%C3%ADssimo">Lourena M. Veríssimo</a>, <a href="https://publications.waset.org/abstracts/search?q=Lucas%20A.%20Machado"> Lucas A. Machado</a>, <a href="https://publications.waset.org/abstracts/search?q=Renata%20Rutckeviski"> Renata Rutckeviski</a>, <a href="https://publications.waset.org/abstracts/search?q=Francisco%20H.%20Xavier%20J%C3%BAnior"> Francisco H. Xavier Júnior</a>, <a href="https://publications.waset.org/abstracts/search?q=%C3%89verton%20N.%20Alencar"> Éverton N. Alencar</a>, <a href="https://publications.waset.org/abstracts/search?q=Andreza%20R.%20V.%20Morais"> Andreza R. V. Morais</a>, <a href="https://publications.waset.org/abstracts/search?q=Teresa%20R.%20F.%20Dantas"> Teresa R. F. Dantas</a>, <a href="https://publications.waset.org/abstracts/search?q=Christian%20M.%20Oliveira"> Christian M. Oliveira</a>, <a href="https://publications.waset.org/abstracts/search?q=Arn%C3%B3bio%20A.%20Silva%20J%C3%BAnior"> Arnóbio A. Silva Júnior</a>, <a href="https://publications.waset.org/abstracts/search?q=Eryvaldo%20S.%20T.%20Egito"> Eryvaldo S. T. Egito</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This study aimed to obtain emulsion systems based on bullfrog oil (BO). The BO was extracted at 80ºC and analyzed by Gas Chromatography-Mass Spectrometry (GC/MS). The critical Hydrophilic-Lipophilic Balance (HLBc) Assay of the BO was performed through BO, Tween® 20, Span® 80 and deionized water mixtures using an Ultra-Turrax® and determined using dynamic light scattering, pH, electrical conductivity and creaming rate. Then, a pseudoternary phase diagram (PPD) was constructed by water titration. The GC/MS analysis of BO suggested Methyl Oleate (9.26%) as major compound. The HLBc was 12.1, wherein the correspondent emulsion showed a pH of 4.83±1.29, electrical conductivity of 103.65 µS, creaming rate of 2.51±0.54%, droplet size of 207.07±8.31 nm and polydispersity index of 0.212±0.005. The PPD showed different formulations characterized as O/W emulsions. Thus, the PPD proved to be a useful tool to produce BO emulsions, in which their constituents may vary within the range of the desired system. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=bullfrog%20%28Rana%20catesbeiana%20Shaw%29%20oil" title="bullfrog (Rana catesbeiana Shaw) oil">bullfrog (Rana catesbeiana Shaw) oil</a>, <a href="https://publications.waset.org/abstracts/search?q=emulsion%20production" title=" emulsion production"> emulsion production</a>, <a href="https://publications.waset.org/abstracts/search?q=hydrophilic-lipophilic%20balance" title=" hydrophilic-lipophilic balance"> hydrophilic-lipophilic balance</a>, <a href="https://publications.waset.org/abstracts/search?q=gas%20chromatography%2Fmass%20spectrometry%20analysis" title=" gas chromatography/mass spectrometry analysis"> gas chromatography/mass spectrometry analysis</a> </p> <a href="https://publications.waset.org/abstracts/11772/development-of-biotechnological-emulsion-based-on-bullfrog-rana-catesbeiana-shaw-oil-a-preliminary-study" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/11772.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">507</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">72</span> Levels of Plastic Waste and Fish Landed By Beach Seine Fishers in Coastal Ghana</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Francis%20Gbogbo">Francis Gbogbo</a>, <a href="https://publications.waset.org/abstracts/search?q=Angelica%20Ama%20Essandoh"> Angelica Ama Essandoh</a>, <a href="https://publications.waset.org/abstracts/search?q=Wendy%20Teresa%20Baffoe"> Wendy Teresa Baffoe</a>, <a href="https://publications.waset.org/abstracts/search?q=Henry%20Groos"> Henry Groos</a>, <a href="https://publications.waset.org/abstracts/search?q=Charles%20Mario%20Boateng"> Charles Mario Boateng</a>, <a href="https://publications.waset.org/abstracts/search?q=Emmanuel%20Robert%20Blankson"> Emmanuel Robert Blankson</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Baseline data on plastic landing by fishers and monitoring of this is important in evaluating the success of plastic waste management efforts. This study investigated plastic and fish landed by beach seine fishers in Ghana, together with the rate of plastic deposition on an adjoining beach. Plastic constituted 31.6% of the total catch, and 41.7% of the fish landed by weight. There were significant differences between the average weight of fish (139.58±53.6kg) and plastic (65.73±14.6kg) landed per fishing session and the catch per unit effort of fish (183.4±76.7 kg/day) and plastic (88.4±35.2 kg/day). The mean weight of plastic landed per fishing session was higher than the mean weight of each of the 26 species of fisheries. The rate of plastic deposition on the beach was 8.1±2.5 plastic items per m2 per tidal cycle or 0.35±0.11kg plastic per m2 per tidal cycle, with food packs and tableware dominating the deposited plastic. The results suggested that ongoing water sachets and plastic bottle recycling in Ghana are yielding results and calls for targeted efforts in plastic food packs and tableware management. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=fishig" title="fishig">fishig</a>, <a href="https://publications.waset.org/abstracts/search?q=landing" title=" landing"> landing</a>, <a href="https://publications.waset.org/abstracts/search?q=plastic%20waste" title=" plastic waste"> plastic waste</a>, <a href="https://publications.waset.org/abstracts/search?q=intertidal%20area" title=" intertidal area"> intertidal area</a>, <a href="https://publications.waset.org/abstracts/search?q=fishing%20effort" title=" fishing effort"> fishing effort</a> </p> <a href="https://publications.waset.org/abstracts/181875/levels-of-plastic-waste-and-fish-landed-by-beach-seine-fishers-in-coastal-ghana" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/181875.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">93</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">71</span> Comprehensive Care and the Right to Autonomy of Children and Adolescents with Cancer</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Sandra%20Soca%20Lozano">Sandra Soca Lozano</a>, <a href="https://publications.waset.org/abstracts/search?q=Teresa%20Isabel%20Lozano%20P%C3%A9rez"> Teresa Isabel Lozano Pérez</a>, <a href="https://publications.waset.org/abstracts/search?q=Germain%20Weber"> Germain Weber</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Cancer is a chronic disease of high prevalence in children and adolescents. Medical care in Cuba is carried out by a multidisciplinary team and family is the mediator between this team and the patient. Around this disease, there are interwoven many stereotypes and taboos by its relation to death. In this research report, we describe the work paradigm of psychological care to patients suffering from these diseases in the University Pediatric Hospital Juan Manuel Márquez of Havana, Cuba. We present the psychosocial factors that must be taken into account to provide comprehensive care and ensuring the quality of life of patients and their families. We also present the factors related to the health team and the management of information done with the patient. This is a descriptive proposal from the working experience accumulated in the named institution and in the review of the literature. As a result of this report we make a proposal of teamwork and the aspects in which psychological intervention should be continue performing in terms of increasing the quality of the care made by the health team. We conclude that it is necessary to continue improving the information management of children and adolescents with theses health problems and took into account their right to autonomy. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=comprehensive%20care" title="comprehensive care">comprehensive care</a>, <a href="https://publications.waset.org/abstracts/search?q=management%20of%20information" title=" management of information"> management of information</a>, <a href="https://publications.waset.org/abstracts/search?q=psychosocial%20factors" title=" psychosocial factors"> psychosocial factors</a>, <a href="https://publications.waset.org/abstracts/search?q=right%20to%20autonomy" title=" right to autonomy"> right to autonomy</a> </p> <a href="https://publications.waset.org/abstracts/46040/comprehensive-care-and-the-right-to-autonomy-of-children-and-adolescents-with-cancer" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/46040.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">333</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">70</span> Modelling and Management of Vegetal Pest Based On Case of Xylella Fastidiosa in Alicante</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Maria%20Teresa%20Signes%20Pont">Maria Teresa Signes Pont</a>, <a href="https://publications.waset.org/abstracts/search?q=Jose%20Juan%20Cortes%20Plana"> Jose Juan Cortes Plana</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Our proposal provides suitable modelling to the spread of plant pest and particularly to the propagation of Xylella fastidiosa in the almond trees. We compared the impact of temperature and humidity on the propagation of Xylella fastidiosa in various subspecies. Comparison between Balearic Islands and Alicante (Spain). Most sharpshooter and spittlebug species showed peaks in population density during the month of higher mean temperature and relative humidity (April-October), except for the splittlebug Clastoptera sp.1, whose adult population peaked from September-October (late summer and early autumn). The critical season is from when they hatch from the eggs until they are in the pre-reproductive season (January -April) to expand. We focused on winters in the egg state, which normally hatches in early March. The nymphs secrete a foam (mucilage) in which they live and that protects them from natural enemies of temperature changes and prevents dry as long as the humidity is above 75%. The interaction between the life cycles of vectors and vegetation influences the food preferences of vectors and is responsible for the general seasonal shift of the population from vegetation to trees and vice versa, In addition to the temperature maps, we have observed humidity as it affects the spread of the pest Xylella fastidiosa (Xf). <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=xylella%20fastidiosa" title="xylella fastidiosa">xylella fastidiosa</a>, <a href="https://publications.waset.org/abstracts/search?q=almod%20tree" title=" almod tree"> almod tree</a>, <a href="https://publications.waset.org/abstracts/search?q=temperature" title=" temperature"> temperature</a>, <a href="https://publications.waset.org/abstracts/search?q=humidity" title=" humidity"> humidity</a>, <a href="https://publications.waset.org/abstracts/search?q=environmental%20model" title=" environmental model"> environmental model</a> </p> <a href="https://publications.waset.org/abstracts/142986/modelling-and-management-of-vegetal-pest-based-on-case-of-xylella-fastidiosa-in-alicante" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/142986.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">175</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">69</span> Investigating Anti-bacterial and Anti-Covid-19 Virus Properties and Mode of Action of Mg(Oh)₂ and Copper-Infused Mg(Oh)₂ Nanoparticles on Coated Polypropylene Surfaces</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Saleh%20Alkarri">Saleh Alkarri</a>, <a href="https://publications.waset.org/abstracts/search?q=Melinda%20Frame"> Melinda Frame</a>, <a href="https://publications.waset.org/abstracts/search?q=Dimple%20Sharma"> Dimple Sharma</a>, <a href="https://publications.waset.org/abstracts/search?q=John%20Cairney"> John Cairney</a>, <a href="https://publications.waset.org/abstracts/search?q=Lee%20Maddan"> Lee Maddan</a>, <a href="https://publications.waset.org/abstracts/search?q=Jin%20H.%20Kim"> Jin H. Kim</a>, <a href="https://publications.waset.org/abstracts/search?q=Jonathan%20O.%20Rayner"> Jonathan O. Rayner</a>, <a href="https://publications.waset.org/abstracts/search?q=Teresa%20M.%20Bergholz"> Teresa M. Bergholz</a>, <a href="https://publications.waset.org/abstracts/search?q=Muhammad%20Rabnawaz"> Muhammad Rabnawaz</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Reported herein is an investigation of anti-bacterial and anti-virus properties, mode of action of Mg(OH)₂ and copper-infused Mg(OH)₂ nanoplatelets (NPs) on melt-compounded and thermally embossed polypropylene (PP) surfaces. The anti-viral activity for the NPs was studied in aqueous liquid suspensions against SARS-CoV-2, and the mode of action was investigated on neat NPs and PP samples that were thermally embossed with NPs. Anti-bacterial studies for melt-compounded NPs in PP confirmed approximately 1 log reduction of E. coli populations in 24 h, while for thermally embossed NPs, an 8 log reduction of E. coli populations was observed. In addition, the NPs exhibit anti-viral activity against SARS-CoV-2. Fluorescence microscopy revealed that reactive oxygen species (ROS) is the main mode of action through which Mg(OH)₂ and Cu-Infused Mg(OH)₂act against microbes. Plastics with anti-microbial surfaces from where biocides are non-leachable are highly desirable. This work provides a general fabrication strategy for developing anti-microbial plastic surfaces. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=anti-microbial%20activity" title="anti-microbial activity">anti-microbial activity</a>, <a href="https://publications.waset.org/abstracts/search?q=E.%20coli%20K-12%20MG1655" title=" E. coli K-12 MG1655"> E. coli K-12 MG1655</a>, <a href="https://publications.waset.org/abstracts/search?q=anti-viral%20activity" title=" anti-viral activity"> anti-viral activity</a>, <a href="https://publications.waset.org/abstracts/search?q=SARS-CoV-2" title=" SARS-CoV-2"> SARS-CoV-2</a>, <a href="https://publications.waset.org/abstracts/search?q=copper-infused%20magnesium%20hydroxide" title=" copper-infused magnesium hydroxide"> copper-infused magnesium hydroxide</a>, <a href="https://publications.waset.org/abstracts/search?q=non-leachable" title=" non-leachable"> non-leachable</a>, <a href="https://publications.waset.org/abstracts/search?q=ROS" title=" ROS"> ROS</a>, <a href="https://publications.waset.org/abstracts/search?q=compounding" title=" compounding"> compounding</a>, <a href="https://publications.waset.org/abstracts/search?q=surface%20embossing" title=" surface embossing"> surface embossing</a>, <a href="https://publications.waset.org/abstracts/search?q=dyes" title=" dyes"> dyes</a> </p> <a href="https://publications.waset.org/abstracts/168967/investigating-anti-bacterial-and-anti-covid-19-virus-properties-and-mode-of-action-of-mgoh2-and-copper-infused-mgoh2-nanoparticles-on-coated-polypropylene-surfaces" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/168967.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">67</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">68</span> Electoral Mathematics and Asymmetrical Treatment to Political Parties: The Mexican Case</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ver%C3%B3nica%20Arredondo">Verónica Arredondo</a>, <a href="https://publications.waset.org/abstracts/search?q=Miguel%20Mart%C3%ADnez-Panero"> Miguel Martínez-Panero</a>, <a href="https://publications.waset.org/abstracts/search?q=Teresa%20Pe%C3%B1a"> Teresa Peña</a>, <a href="https://publications.waset.org/abstracts/search?q=Victoriano%20Ram%C3%ADrez"> Victoriano Ramírez</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The Mexican Chamber of Deputies is composed of 500 representatives: 300 of them elected by relative majority and another 200 ones elected through proportional representation in five electoral clusters (constituencies) with 40 representatives each. In this mixed-member electoral system, the seats distribution of proportional representation is not independent of the election by relative majority, as it attempts to correct representation imbalances produced in single-member districts. This two-fold structure has been maintained in the successive electoral reforms carried out along the last three decades (eight from 1986 to 2014). In all of them, the election process of 200 seats becomes complex: Formulas in the Law are difficult to understand and to be interpreted. This paper analyzes the Mexican electoral system after the electoral reform of 2014, which was applied for the first time in 2015. The research focuses on contradictions and issues of applicability, in particular situations where seats allocation is affected by ambiguity in the law and where asymmetrical treatment of political parties arises. Due to these facts, a proposal of electoral reform will be presented. It is intended to be simpler, clearer, and more enduring than the current system. Furthermore, this model is more suitable for producing electoral outcomes free of contradictions and paradoxes. This approach would allow a fair treatment of political parties and as a result an improved opportunity to exercise democracy. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=electoral%20mathematics" title="electoral mathematics">electoral mathematics</a>, <a href="https://publications.waset.org/abstracts/search?q=electoral%20reform" title=" electoral reform"> electoral reform</a>, <a href="https://publications.waset.org/abstracts/search?q=Mexican%20electoral%20system" title=" Mexican electoral system"> Mexican electoral system</a>, <a href="https://publications.waset.org/abstracts/search?q=political%20asymmetry" title=" political asymmetry"> political asymmetry</a>, <a href="https://publications.waset.org/abstracts/search?q=proportional%20representation" title=" proportional representation"> proportional representation</a> </p> <a 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