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Cuevas-Alvear</title> <meta name="description" content="Search results for: Nicolas Cuevas-Alvear"> <meta name="keywords" content="Nicolas Cuevas-Alvear"> <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 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action="https://publications.waset.org/abstracts/search"> <div id="custom-search-input"> <div class="input-group"> <i class="fas fa-search"></i> <input type="text" class="search-query" name="q" placeholder="Author, Title, Abstract, Keywords" value="Nicolas Cuevas-Alvear"> <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> 107</div> </div> </div> </div> <h1 class="mt-3 mb-3 text-center" style="font-size:1.6rem;">Search results for: Nicolas Cuevas-Alvear</h1> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">107</span> “Polytic Iconography”: The Sky and Pants of Nicolas-Antoine Taunay (1755-1830)</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=B%C3%A1rbara%20Dantas">Bárbara Dantas</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Nicolas-Antoine Taunay had everything to have a quiet life with his numerous family, his colleagues from the Paris Academy of Art, and as a renowned painter of the French Court, but the conjuncture was quite complicated in those final years of the eighteenth century and first decades of the 19th century. The painter had to adapt to various political and social ruptures: from royalty to the French Revolution, from the empire of Napoleon Bonaparte to the empire of King John VI. According to the method of analysis that involves the idea of "political iconography" from Carlo Ginzburg and the concept of "representation" associated with Georges Didi-Huberman, this work wishes to insert Taunay in its context through the analysis of his portrait made by a colleague of the profession and of a Brazilian landscape painted of his own (1816-1821) and, in which he represented himself. Finally, the intention is to find in these two paintings how Nicolas-Antoine Taunay faced himself and in the middle that surrounded him in the traffic that was forced to make it between Paris and Rio de Janeiro. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Nicolas-Antoine%20Taunay" title="Nicolas-Antoine Taunay">Nicolas-Antoine Taunay</a>, <a href="https://publications.waset.org/abstracts/search?q=politic%20iconography" title=" politic iconography"> politic iconography</a>, <a href="https://publications.waset.org/abstracts/search?q=French%20art" title=" French art"> French art</a>, <a href="https://publications.waset.org/abstracts/search?q=Brazilian%20art" title=" Brazilian art"> Brazilian art</a>, <a href="https://publications.waset.org/abstracts/search?q=19th%20century" title=" 19th century"> 19th century</a> </p> <a href="https://publications.waset.org/abstracts/149733/polytic-iconography-the-sky-and-pants-of-nicolas-antoine-taunay-1755-1830" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/149733.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">94</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">106</span> Adherence Induced Formwork Removal in Small-Scale Pull-Off Tensile Tests</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Nicolas%20Spitz">Nicolas Spitz</a>, <a href="https://publications.waset.org/abstracts/search?q=Nicolas%20Coniglio"> Nicolas Coniglio</a>, <a href="https://publications.waset.org/abstracts/search?q=Mohamed%20El%20Mansori"> Mohamed El Mansori</a>, <a href="https://publications.waset.org/abstracts/search?q=Alex%20Montagne"> Alex Montagne</a>, <a href="https://publications.waset.org/abstracts/search?q=Sabeur%20Mezghani"> Sabeur Mezghani</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Nowadays buildings' construction is performed by pouring concrete into molds referred to as formworks that are usually prefabricated metallic modules. Defects such as stripping may possibly form during the removal of the formwork if the interfacial bonding between the concrete and the formwork is high. A new pull-off tensile test was developed in our laboratory to simulate small-scale formwork removals. The concrete-to-formwork adherence force was measured on bare and coated formworks with different surface signatures. The used concrete was a mixture largely used on building sites and contains CEM I Portland cement and calcareous filler. The concrete surface appearance and the type of failures at the concrete-formwork interface have been investigated. The originality of this near-to-surface test was to compare the laboratory-measured adherence forces to the on-site observations. Based upon the small-scale laboratory test results, functional formwork specifications with low adherence to concrete was proposed in terms of superficial signature characteristics. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=concrete-formwork%20adherence" title="concrete-formwork adherence">concrete-formwork adherence</a>, <a href="https://publications.waset.org/abstracts/search?q=interfacial%20bonding" title=" interfacial bonding"> interfacial bonding</a>, <a href="https://publications.waset.org/abstracts/search?q=skin%20formwork%20functionality" title=" skin formwork functionality"> skin formwork functionality</a>, <a href="https://publications.waset.org/abstracts/search?q=small-scale%20pull-off%20tensile%20test" title=" small-scale pull-off tensile test"> small-scale pull-off tensile test</a> </p> <a href="https://publications.waset.org/abstracts/81360/adherence-induced-formwork-removal-in-small-scale-pull-off-tensile-tests" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/81360.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">245</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">105</span> Thermal Modelling and Experimental Comparison for a Moving Pantograph Strip</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Nicolas%20Delcey">Nicolas Delcey</a>, <a href="https://publications.waset.org/abstracts/search?q=Philippe%20Baucour"> Philippe Baucour</a>, <a href="https://publications.waset.org/abstracts/search?q=Didier%20Chamagne"> Didier Chamagne</a>, <a href="https://publications.waset.org/abstracts/search?q=Genevi%C3%A8ve%20Wimmer"> Geneviève Wimmer</a>, <a href="https://publications.waset.org/abstracts/search?q=Auditeau%20G%C3%A9rard"> Auditeau Gérard</a>, <a href="https://publications.waset.org/abstracts/search?q=Bausseron%20Thomas"> Bausseron Thomas</a>, <a href="https://publications.waset.org/abstracts/search?q=Bouger%20Odile"> Bouger Odile</a>, <a href="https://publications.waset.org/abstracts/search?q=Blanvillain%20G%C3%A9rard"> Blanvillain Gérard</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper proposes a thermal study of the catenary/pantograph interface for a train in motion. A 2.5D complex model of the pantograph strip has been defined and created by a coupling between a 1D and a 2D model. Experimental and simulation results are presented and with a comparison allow validating the 2.5D model. Some physical phenomena are described and presented with the help of the model such as the stagger motion thermal effect, particular heats and the effect of the material characteristics. Finally it is possible to predict the critical thermal configuration during a train trip. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=electro-thermal%20studies" title="electro-thermal studies">electro-thermal studies</a>, <a href="https://publications.waset.org/abstracts/search?q=mathematical%20optimizations" title=" mathematical optimizations"> mathematical optimizations</a>, <a href="https://publications.waset.org/abstracts/search?q=multi-physical%20approach" title=" multi-physical approach"> multi-physical approach</a>, <a href="https://publications.waset.org/abstracts/search?q=numerical%20model" title=" numerical model"> numerical model</a>, <a href="https://publications.waset.org/abstracts/search?q=pantograph%20strip%20wear" title=" pantograph strip wear"> pantograph strip wear</a> </p> <a href="https://publications.waset.org/abstracts/63675/thermal-modelling-and-experimental-comparison-for-a-moving-pantograph-strip" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/63675.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">327</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">104</span> Game-Based Learning in a Higher Education Course: A Case Study with Minecraft Education Edition</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Salvador%20Antelmo%20Casanova%20Valencia">Salvador Antelmo Casanova Valencia</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This study documents the use of the Minecraft Education Edition application to explore immersive game-based learning environments. We analyze the contributions of fourth-year university students who are pursuing a degree in Administrative Computing at the Universidad Michoacana de San Nicolas de Hidalgo. In this study, descriptive data and statistical inference are detailed using a quasi-experimental design using the Wilcoxon test. The instruments will provide data validation. Game-based learning in immersive environments necessarily implies greater student participation and commitment, resulting in the study, motivation, and significant improvements, promoting cooperation and autonomous learning. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=game-based%20learning" title="game-based learning">game-based learning</a>, <a href="https://publications.waset.org/abstracts/search?q=gamification" title=" gamification"> gamification</a>, <a href="https://publications.waset.org/abstracts/search?q=higher%20education" title=" higher education"> higher education</a>, <a href="https://publications.waset.org/abstracts/search?q=Minecraft" title=" Minecraft"> Minecraft</a> </p> <a href="https://publications.waset.org/abstracts/128707/game-based-learning-in-a-higher-education-course-a-case-study-with-minecraft-education-edition" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/128707.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">163</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">103</span> SMART: Solution Methods with Ants Running by Types</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Nicolas%20Zufferey">Nicolas Zufferey</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Ant algorithms are well-known metaheuristics which have been widely used since two decades. In most of the literature, an ant is a constructive heuristic able to build a solution from scratch. However, other types of ant algorithms have recently emerged: the discussion is thus not limited by the common framework of the constructive ant algorithms. Generally, at each generation of an ant algorithm, each ant builds a solution step by step by adding an element to it. Each choice is based on the greedy force (also called the visibility, the short term profit or the heuristic information) and the trail system (central memory which collects historical information of the search process). Usually, all the ants of the population have the same characteristics and behaviors. In contrast in this paper, a new type of ant metaheuristic is proposed, namely SMART (for Solution Methods with Ants Running by Types). It relies on the use of different population of ants, where each population has its own personality. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=ant%20algorithms" title="ant algorithms">ant algorithms</a>, <a href="https://publications.waset.org/abstracts/search?q=evolutionary%20procedures" title=" evolutionary procedures"> evolutionary procedures</a>, <a href="https://publications.waset.org/abstracts/search?q=metaheuristics" title=" metaheuristics"> metaheuristics</a>, <a href="https://publications.waset.org/abstracts/search?q=optimization" title=" optimization"> optimization</a>, <a href="https://publications.waset.org/abstracts/search?q=population-based%20methods" title=" population-based methods"> population-based methods</a> </p> <a href="https://publications.waset.org/abstracts/36375/smart-solution-methods-with-ants-running-by-types" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/36375.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">365</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">102</span> Brand Content Optimization: A Major Challenge for Sellers on Marketplaces</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Richardson%20Ciguene">Richardson Ciguene</a>, <a href="https://publications.waset.org/abstracts/search?q=Bertrand%20Marron"> Bertrand Marron</a>, <a href="https://publications.waset.org/abstracts/search?q=Nicolas%20Habert"> Nicolas Habert</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Today, more and more consumers are purchasing their products and services online. At the same time, the penetration rate of very small and medium-sized businesses on marketplaces continues to increase, which has the direct impact of intensifying competition between sellers. Thus, only the best-optimized deals are ranked well by algorithms and are visible to consumers. However, it is almost impossible to know all the Brand Content rules and criteria established by marketplaces, which is essential to optimizing their product sheets, especially since these rules change constantly. In this paper, we propose to detail this question of Brand Content optimization by taking into account the case of Amazon in order to capture the scientific dimension behind such a subject. In a second step, we will present the genesis of our research project, DEEPERFECT, which aims to set up original methods and effective tools in order to help sellers present on marketplaces in the optimization of their branded content. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=e-commerce" title="e-commerce">e-commerce</a>, <a href="https://publications.waset.org/abstracts/search?q=scoring" title=" scoring"> scoring</a>, <a href="https://publications.waset.org/abstracts/search?q=marketplace" title=" marketplace"> marketplace</a>, <a href="https://publications.waset.org/abstracts/search?q=Amazon" title=" Amazon"> Amazon</a>, <a href="https://publications.waset.org/abstracts/search?q=brand%20content" title=" brand content"> brand content</a>, <a href="https://publications.waset.org/abstracts/search?q=product%20sheets" title=" product sheets"> product sheets</a> </p> <a href="https://publications.waset.org/abstracts/148021/brand-content-optimization-a-major-challenge-for-sellers-on-marketplaces" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/148021.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">123</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">101</span> Testing of Gas Turbine KingTech with Biodiesel</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Nicolas%20Lipchak">Nicolas Lipchak</a>, <a href="https://publications.waset.org/abstracts/search?q=Franco%20Aiducic"> Franco Aiducic</a>, <a href="https://publications.waset.org/abstracts/search?q=Santiago%20Baieli"> Santiago Baieli</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The present work is a part of the research project called ‘Testing of gas turbine KingTech with biodiesel’, carried out by the Department of Industrial Engineering of the National Technological University at Buenos Aires. The research group aims to experiment with biodiesel in a gas turbine Kingtech K-100 to verify the correct operation of it. In this sense, tests have been developed to obtain real data of parameters inherent to the work cycle, to be used later as parameters of comparison and performance analysis. In the first instance, the study consisted in testing the gas turbine with a mixture composition of 50% Biodiesel and 50% Diesel. The parameters arising from the measurements made were compared with the parameters of the gas turbine with a composition of 100% Diesel. In the second instance, the measured parameters were used to calculate the power generated and the thermal efficiency of the Kingtech K-100 turbine. The turbine was also inspected to verify the status of the internals due to the use of biofuels. The conclusions obtained allow empirically demonstrate that it is feasible to use biodiesel in this type of gas turbines, without the use of this fuel generates a loss of power or degradation of internals. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=biodiesel" title="biodiesel">biodiesel</a>, <a href="https://publications.waset.org/abstracts/search?q=efficiency" title=" efficiency"> efficiency</a>, <a href="https://publications.waset.org/abstracts/search?q=KingTech" title=" KingTech"> KingTech</a>, <a href="https://publications.waset.org/abstracts/search?q=turbine" title=" turbine"> turbine</a> </p> <a href="https://publications.waset.org/abstracts/92969/testing-of-gas-turbine-kingtech-with-biodiesel" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/92969.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">245</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">100</span> Improving Cyber Resilience in Mobile Field Hospitals: Towards an Assessment Model</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Nasir%20Baba%20Ahmed">Nasir Baba Ahmed</a>, <a href="https://publications.waset.org/abstracts/search?q=Nicolas%20Daclin"> Nicolas Daclin</a>, <a href="https://publications.waset.org/abstracts/search?q=Marc%20Olivaux"> Marc Olivaux</a>, <a href="https://publications.waset.org/abstracts/search?q=Gilles%20Dusserre"> Gilles Dusserre</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The Mobile field hospital is critical in terms of managing emergencies in crisis. It is a sub-section of the main hospitals and the health sector, tasked with delivering responsive, immediate, and efficient medical services during a crisis. With the aim to prevent further crisis, the assessment of the cyber assets follows different methods, to distinguish its strengths and weaknesses, and in turn achieve cyber resiliency. The work focuses on assessments of cyber resilience in field hospitals with trends growing in both the field hospital and the health sector in general. This creates opportunities for the adverse attackers and the response improvement objectives for attaining cyber resilience, as the assessments allow users and stakeholders to know the level of risks with regards to its cyber assets. Thus, the purpose is to show the possible threat vectors which open up opportunities, with contrast to current trends in the assessment of the mobile field hospitals’ cyber assets. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=assessment%20framework" title="assessment framework">assessment framework</a>, <a href="https://publications.waset.org/abstracts/search?q=cyber%20resilience" title=" cyber resilience"> cyber resilience</a>, <a href="https://publications.waset.org/abstracts/search?q=cyber%20security" title=" cyber security"> cyber security</a>, <a href="https://publications.waset.org/abstracts/search?q=mobile%20field%20hospital" title=" mobile field hospital"> mobile field hospital</a> </p> <a href="https://publications.waset.org/abstracts/130214/improving-cyber-resilience-in-mobile-field-hospitals-towards-an-assessment-model" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/130214.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">158</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">99</span> Heat Transfer Enhancement by Localized Time Varying Thermal Perturbations at Hot and Cold Walls in a Rectangular Differentially Heated Cavity</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Nicolas%20Thiers">Nicolas Thiers</a>, <a href="https://publications.waset.org/abstracts/search?q=Romain%20Gers"> Romain Gers</a>, <a href="https://publications.waset.org/abstracts/search?q=Olivier%20Skurtys"> Olivier Skurtys</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this work, we study numerically the effect of a thermal perturbation on the heat transfer in a rectangular differentially heated cavity of aspect ratio 4, filled by air. In order to maintain the center symmetry, the thermal perturbation is imposed by a square wave at both active walls, at the same relative position of the hot or cold boundary layers. The influences of the amplitude and the vertical location of the perturbation are investigated. The air flow is calculated solving the unsteady Boussinesq-Navier-Stokes equations using the PN - PN-2 Spectral Element Method (SEM) programmed in the Nek5000 opencode, at RaH= 9x107, just before the first bifurcation which leads to periodical flow. The results show that the perturbation has a major impact for the highest amplitude, and at about three quarters of the cavity height, upstream, in both hot and cold boundary layers. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=direct%20numerical%20simulation" title="direct numerical simulation">direct numerical simulation</a>, <a href="https://publications.waset.org/abstracts/search?q=heat%20transfer%20enhancement" title=" heat transfer enhancement"> heat transfer enhancement</a>, <a href="https://publications.waset.org/abstracts/search?q=localized%20thermal%20perturbations" title=" localized thermal perturbations"> localized thermal perturbations</a>, <a href="https://publications.waset.org/abstracts/search?q=natural%20convection" title=" natural convection"> natural convection</a>, <a href="https://publications.waset.org/abstracts/search?q=rectangular%20differentially-heated%20cavity" title=" rectangular differentially-heated cavity"> rectangular differentially-heated cavity</a> </p> <a href="https://publications.waset.org/abstracts/109171/heat-transfer-enhancement-by-localized-time-varying-thermal-perturbations-at-hot-and-cold-walls-in-a-rectangular-differentially-heated-cavity" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/109171.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">98</span> High-Capacity Image Steganography using Wavelet-based Fusion on Deep Convolutional Neural Networks</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Amal%20Khalifa">Amal Khalifa</a>, <a href="https://publications.waset.org/abstracts/search?q=Nicolas%20Vana%20Santos"> Nicolas Vana Santos</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Steganography has been known for centuries as an efficient approach for covert communication. Due to its popularity and ease of access, image steganography has attracted researchers to find secure techniques for hiding information within an innocent looking cover image. In this research, we propose a novel deep-learning approach to digital image steganography. The proposed method, DeepWaveletFusion, uses convolutional neural networks (CNN) to hide a secret image into a cover image of the same size. Two CNNs are trained back-to-back to merge the Discrete Wavelet Transform (DWT) of both colored images and eventually be able to blindly extract the hidden image. Based on two different image similarity metrics, a weighted gain function is used to guide the learning process and maximize the quality of the retrieved secret image and yet maintaining acceptable imperceptibility. Experimental results verified the high recoverability of DeepWaveletFusion which outperformed similar deep-learning-based methods. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=deep%20learning" title="deep learning">deep learning</a>, <a href="https://publications.waset.org/abstracts/search?q=steganography" title=" steganography"> steganography</a>, <a href="https://publications.waset.org/abstracts/search?q=image" title=" image"> image</a>, <a href="https://publications.waset.org/abstracts/search?q=discrete%20wavelet%20transform" title=" discrete wavelet transform"> discrete wavelet transform</a>, <a href="https://publications.waset.org/abstracts/search?q=fusion" title=" fusion"> fusion</a> </p> <a href="https://publications.waset.org/abstracts/170293/high-capacity-image-steganography-using-wavelet-based-fusion-on-deep-convolutional-neural-networks" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/170293.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">90</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">97</span> Ship Detection Requirements Analysis for Different Sea States: Validation on Real SAR Data</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Jaime%20Mart%C3%ADn-de-Nicol%C3%A1s">Jaime Martín-de-Nicolás</a>, <a href="https://publications.waset.org/abstracts/search?q=David%20Mata-Moya"> David Mata-Moya</a>, <a href="https://publications.waset.org/abstracts/search?q=Nerea%20del-Rey-Maestre"> Nerea del-Rey-Maestre</a>, <a href="https://publications.waset.org/abstracts/search?q=Pedro%20G%C3%B3mez-del-Hoyo"> Pedro Gómez-del-Hoyo</a>, <a href="https://publications.waset.org/abstracts/search?q=Mar%C3%ADa-Pilar%20Jarabo-Amores"> María-Pilar Jarabo-Amores</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Ship detection is nowadays quite an important issue in tasks related to sea traffic control, fishery management and ship search and rescue. Although it has traditionally been carried out by patrol ships or aircrafts, coverage and weather conditions and sea state can become a problem. Synthetic aperture radars can surpass these coverage limitations and work under any climatological condition. A fast CFAR ship detector based on a robust statistical modeling of sea clutter with respect to sea states in SAR images is used. In this paper, the minimum SNR required to obtain a given detection probability with a given false alarm rate for any sea state is determined. A Gaussian target model using real SAR data is considered. Results show that SNR does not depend heavily on the class considered. Provided there is some variation in the backscattering of targets in SAR imagery, the detection probability is limited and a post-processing stage based on morphology would be suitable. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=SAR" title="SAR">SAR</a>, <a href="https://publications.waset.org/abstracts/search?q=generalized%20gamma%20distribution" title=" generalized gamma distribution"> generalized gamma distribution</a>, <a href="https://publications.waset.org/abstracts/search?q=detection%20curves" title=" detection curves"> detection curves</a>, <a href="https://publications.waset.org/abstracts/search?q=radar%20detection" title=" radar detection"> radar detection</a> </p> <a href="https://publications.waset.org/abstracts/52278/ship-detection-requirements-analysis-for-different-sea-states-validation-on-real-sar-data" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/52278.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">452</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> Trash Dash: An Educational Android Game Application for Proper Waste Segregation</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Marylene%20S.%20Eder">Marylene S. Eder</a>, <a href="https://publications.waset.org/abstracts/search?q=Dorothy%20M.%20Jao"> Dorothy M. Jao</a>, <a href="https://publications.waset.org/abstracts/search?q=Paolo%20Marc%20Nicolas%20S.%20Laspi%C3%B1as"> Paolo Marc Nicolas S. Laspiñas</a>, <a href="https://publications.waset.org/abstracts/search?q=Pukilan%20A.%20Malim"> Pukilan A. Malim</a>, <a href="https://publications.waset.org/abstracts/search?q=Sarah%20Jean%20D.%20Raterta"> Sarah Jean D. Raterta</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Trash Dash is an android game application developed to serve as an alternative tool to practice proper waste segregation for children ages 3 years old and above. The researchers designed the application using Unity 3D and developed the text file that served as the database of the game application. An observation of a pre-school teacher shows that children know how to throw their garbage but they do not know yet how to segregate wastes. After launching the mobile application to K-2 pupils 4 – 5 years of age, the researchers have noticed that children within this age are active and motivated to learn the difference between biodegradable and non-biodegradable. Based on the result of usability test conducted, it was concluded that the game is easy to use and children will most likely use this application frequently. Furthermore, the children may need assistance from their parents and teachers when playing the game. An actual testing of the application has been conducted to different devices as well as functionality test by Thwack Application and it can be concluded that the mobile application can be launched and installed on a device with a minimum API requirement of Gingerbread (2.3.1). <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=waste%20segregation" title="waste segregation">waste segregation</a>, <a href="https://publications.waset.org/abstracts/search?q=android%20application" title=" android application"> android application</a>, <a href="https://publications.waset.org/abstracts/search?q=biodegradable" title=" biodegradable"> biodegradable</a>, <a href="https://publications.waset.org/abstracts/search?q=non-biodegradable" title=" non-biodegradable"> non-biodegradable</a> </p> <a href="https://publications.waset.org/abstracts/37949/trash-dash-an-educational-android-game-application-for-proper-waste-segregation" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/37949.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">445</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> A Low-Cost Experimental Approach for Teaching Energy Quantization: Determining the Planck Constant with Arduino and Led</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Gast%C3%A3o%20Soares%20Ximenes%20de%20Oliveira">Gastão Soares Ximenes de Oliveira</a>, <a href="https://publications.waset.org/abstracts/search?q=Richar%20Nicol%C3%A1s%20Dur%C3%A1n"> Richar Nicolás Durán</a>, <a href="https://publications.waset.org/abstracts/search?q=Romeo%20Micah%20Szmoski"> Romeo Micah Szmoski</a>, <a href="https://publications.waset.org/abstracts/search?q=Eloiza%20Aparecida%20Avila%20de%20Matos"> Eloiza Aparecida Avila de Matos</a>, <a href="https://publications.waset.org/abstracts/search?q=Elano%20Gustavo%20Rein"> Elano Gustavo Rein</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This article aims to present an experimental method to determine Planck's constant by calculating the cutting potential V₀ from LEDs with different wavelengths. The experiment is designed using Arduino as a central tool in order to make the experimental activity more engaging and attractive for students with the use of digital technologies. From the characteristic curves of each LED, graphical analysis was used to obtain the cutting potential, and knowing the corresponding wavelength, it was possible to calculate Planck's constant. This constant was also obtained from the linear adjustment of the cutting potential graph by the frequency of each LED. Given the relevance of Planck's constant in physics, it is believed that this experiment can offer teachers the opportunity to approach concepts from modern physics, such as the quantization of energy, in a more accessible and applied way in the classroom. This will not only enrich students' understanding of the fundamental nature of matter but also encourage deeper engagement with the principles of quantum physics. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=physics%20teaching" title="physics teaching">physics teaching</a>, <a href="https://publications.waset.org/abstracts/search?q=educational%20technology" title=" educational technology"> educational technology</a>, <a href="https://publications.waset.org/abstracts/search?q=modern%20physics" title=" modern physics"> modern physics</a>, <a href="https://publications.waset.org/abstracts/search?q=Planck%20constant" title=" Planck constant"> Planck constant</a>, <a href="https://publications.waset.org/abstracts/search?q=Arduino" title=" Arduino"> Arduino</a> </p> <a href="https://publications.waset.org/abstracts/173953/a-low-cost-experimental-approach-for-teaching-energy-quantization-determining-the-planck-constant-with-arduino-and-led" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/173953.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">76</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> The Role of Brand Experience in Customer Satisfaction and Customer Loyalty in Ayandeh Bank Branches in Tehran</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Seyed%20Reza%20Agha%20Seyed%20Hosseini">Seyed Reza Agha Seyed Hosseini</a>, <a href="https://publications.waset.org/abstracts/search?q=Nicolas%20Hamelin"> Nicolas Hamelin</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Many marketing executives are looking for a comprehensive plan for delivering quality services and products that will create a distinct and unforgettable long-term experience for customers in dealing with their brand. Various brand management experts believe that a company looking to enhance its brand experience in the minds of customers should have a plan to increase customer satisfaction as well as customer loyalty. The purpose of this research was to investigate the role of brand experience in customer satisfaction and customer loyalty in Ayandeh Bank branches in Tehran. The study employed a quantitative methodology. For data gathering, a questionnaire was utilised to measure all the variables of the research. The statistical population of the study consisted of all the customers of Ayandeh Bank branches in Tehran, and the study data was gathered from 400 respondents. The findings indicate that brand experience has a direct and meaningful impact on customer satisfaction and customer loyalty, and, furthermore, that customer satisfaction has a direct and significant effect on customer loyalty in the branches of Ayandeh Bank in Tehran. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=brand%20experience" title="brand experience">brand experience</a>, <a href="https://publications.waset.org/abstracts/search?q=customer%20satisfaction" title=" customer satisfaction"> customer satisfaction</a>, <a href="https://publications.waset.org/abstracts/search?q=customer%20loyalty" title=" customer loyalty"> customer loyalty</a>, <a href="https://publications.waset.org/abstracts/search?q=bank" title=" bank"> bank</a> </p> <a href="https://publications.waset.org/abstracts/131290/the-role-of-brand-experience-in-customer-satisfaction-and-customer-loyalty-in-ayandeh-bank-branches-in-tehran" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/131290.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">259</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> Imputation of Urban Movement Patterns Using Big Data</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Eusebio%20Odiari">Eusebio Odiari</a>, <a href="https://publications.waset.org/abstracts/search?q=Mark%20Birkin"> Mark Birkin</a>, <a href="https://publications.waset.org/abstracts/search?q=Susan%20Grant-Muller"> Susan Grant-Muller</a>, <a href="https://publications.waset.org/abstracts/search?q=Nicolas%20Malleson"> Nicolas Malleson</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Big data typically refers to consumer datasets revealing some detailed heterogeneity in human behavior, which if harnessed appropriately, could potentially revolutionize our understanding of the collective phenomena of the physical world. Inadvertent missing values skew these datasets and compromise the validity of the thesis. Here we discuss a conceptually consistent strategy for identifying other relevant datasets to combine with available big data, to plug the gaps and to create a rich requisite comprehensive dataset for subsequent analysis. Specifically, emphasis is on how these methodologies can for the first time enable the construction of more detailed pictures of passenger demand and drivers of mobility on the railways. These methodologies can predict the influence of changes within the network (like a change in time-table or impact of a new station), explain local phenomena outside the network (like rail-heading) and the other impacts of urban morphology. Our analysis also reveals that our new imputation data model provides for more equitable revenue sharing amongst network operators who manage different parts of the integrated UK railways. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=big-data" title="big-data">big-data</a>, <a href="https://publications.waset.org/abstracts/search?q=micro-simulation" title=" micro-simulation"> micro-simulation</a>, <a href="https://publications.waset.org/abstracts/search?q=mobility" title=" mobility"> mobility</a>, <a href="https://publications.waset.org/abstracts/search?q=ticketing-data" title=" ticketing-data"> ticketing-data</a>, <a href="https://publications.waset.org/abstracts/search?q=commuters" title=" commuters"> commuters</a>, <a href="https://publications.waset.org/abstracts/search?q=transport" title=" transport"> transport</a>, <a href="https://publications.waset.org/abstracts/search?q=synthetic" title=" synthetic"> synthetic</a>, <a href="https://publications.waset.org/abstracts/search?q=population" title=" population"> population</a> </p> <a href="https://publications.waset.org/abstracts/77320/imputation-of-urban-movement-patterns-using-big-data" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/77320.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">231</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> Interpretation as Ontological Determination and Negotiation</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Nicolas%20Cuevas-Alvear">Nicolas Cuevas-Alvear</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The subject of this paper is the concept of interpretation. Its purpose is to expose the need for a new concept of interpretation and to trace the construction route of interpretation as determination and negotiation. The thesis it defends is that interpretation is the determination of events and the negotiation of those determinations in communication. To meet its objective, this manuscript is divided into five sections. The first section introduces the subject and the need for a new concept of interpretation. The second section explicitly formulates the research questions and the objectives of the project for the construction of a new concept of interpretation. The third section presents the state of the art, specifically, the theory of Radical interpretation proposed by Donald Davidson and the theory of the Hermeneutic Circle proposed by Hans Georg Gadamer. In addition, in this section, there is a reconstruction of Ernst Cassirer's explanation of language as a symbolic form. The fourth section is an explanation of the proposal based on the theories presented. Specifically: language as a symbolic form explains interpretation as a determination of events using objective, subjective and intersubjective elements, and these three elements are negotiated in interpretation as communication. The last section is the bibliography proposed to carry out the project. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=interpretation" title="interpretation">interpretation</a>, <a href="https://publications.waset.org/abstracts/search?q=metaphysics" title=" metaphysics"> metaphysics</a>, <a href="https://publications.waset.org/abstracts/search?q=semantics" title=" semantics"> semantics</a>, <a href="https://publications.waset.org/abstracts/search?q=Donald%20Davidson" title=" Donald Davidson"> Donald Davidson</a>, <a href="https://publications.waset.org/abstracts/search?q=ERNST%20Cassirer" title=" ERNST Cassirer"> ERNST Cassirer</a> </p> <a href="https://publications.waset.org/abstracts/164778/interpretation-as-ontological-determination-and-negotiation" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/164778.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">91</span> Equivalent Electrical Model of a Shielded Pulse Planar Transformer in Isolated Gate Drivers for SiC MOSFETs</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Loreine%20Makki">Loreine Makki</a>, <a href="https://publications.waset.org/abstracts/search?q=Marc%20Anthony%20Mannah"> Marc Anthony Mannah</a>, <a href="https://publications.waset.org/abstracts/search?q=Christophe%20Batard"> Christophe Batard</a>, <a href="https://publications.waset.org/abstracts/search?q=Nicolas%20Ginot"> Nicolas Ginot</a>, <a href="https://publications.waset.org/abstracts/search?q=Julien%20Weckbrodt"> Julien Weckbrodt</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Planar transformers are extensively utilized in high-frequency, high power density power electronic converters. The breakthrough of wide-bandgap technology compelled power electronic system miniaturization while inducing pivotal effects on system modeling and manufacturing within the power electronics industry. A significant consideration to simulate and model the unanticipated parasitic parameters emerges with the requirement to mitigate electromagnetic disturbances. This paper will present an equivalent circuit model of a shielded pulse planar transformer quantifying leakage inductance and resistance in addition to the interwinding capacitance of the primary and secondary windings. ANSYS Q3D Extractor was utilized to model and simulate the transformer, intending to study the immunity of the simulated equivalent model to high dv/dt occurrences. A convenient correlation between simulation and experimental results is presented. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Planar%20transformers" title="Planar transformers">Planar transformers</a>, <a href="https://publications.waset.org/abstracts/search?q=wide-band%20gap" title="wide-band gap">wide-band gap</a>, <a href="https://publications.waset.org/abstracts/search?q=equivalent%20circuit%20model" title="equivalent circuit model">equivalent circuit model</a>, <a href="https://publications.waset.org/abstracts/search?q=shielded" title="shielded">shielded</a>, <a href="https://publications.waset.org/abstracts/search?q=ANSYS%20Q3D%20Extractor" title="ANSYS Q3D Extractor">ANSYS Q3D Extractor</a>, <a href="https://publications.waset.org/abstracts/search?q=dv%2Fdt" title="dv/dt">dv/dt</a> </p> <a href="https://publications.waset.org/abstracts/140561/equivalent-electrical-model-of-a-shielded-pulse-planar-transformer-in-isolated-gate-drivers-for-sic-mosfets" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/140561.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">206</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> Development and Characterisation of a Microbioreactor 'Cassette' for Cell Culture Applications</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Nelson%20Barrientos">Nelson Barrientos</a>, <a href="https://publications.waset.org/abstracts/search?q=Matthew%20J.%20Davies"> Matthew J. Davies</a>, <a href="https://publications.waset.org/abstracts/search?q=Marco%20C.%20Marques"> Marco C. Marques</a>, <a href="https://publications.waset.org/abstracts/search?q=Darren%20N.%20Nesbeth"> Darren N. Nesbeth</a>, <a href="https://publications.waset.org/abstracts/search?q=Gary%20J.%20Lye"> Gary J. Lye</a>, <a href="https://publications.waset.org/abstracts/search?q=Nicolas%20Szita"> Nicolas Szita</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Microbioreactor technology is making important advances towards its application in cell culture and bioprocess development. In particular, the technology promises flexible and controllable devices capable to perform parallelised experimentation at low cost. Currently, state of the art methods (e.g. optical sensors) allow the accurate monitoring of the microbioreactor operation. In addition, the laminar flow regime encountered in these devices allows more predictive fluid dynamics modelling, improving the control over the soluble, physical and mechanical environment of the cells. This work describes the development and characterisation of a novel microbioreactor cassette system (microbioreactor volume is 150 μL. The volumetric oxygen transfer coefficient (KLa) and mixing time have been characterised to be between 25 to 113 h-1 and 0.5 and 0.1 s, respectively. In addition, the Residence time distribution (RTD) analysis confirms that the reactor operates at well mixed conditions. Finally, Staphylococcus carnosus TM300 growth is demonstrated via batch culture experiments. Future work consists in expanding the optics of the microbioreactor design to include the monitoring of variables such as fluorescent protein expression, among others. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=microbioreactor" title="microbioreactor">microbioreactor</a>, <a href="https://publications.waset.org/abstracts/search?q=cell-culture" title=" cell-culture"> cell-culture</a>, <a href="https://publications.waset.org/abstracts/search?q=fermentation" title=" fermentation"> fermentation</a>, <a href="https://publications.waset.org/abstracts/search?q=microfluidics" title=" microfluidics"> microfluidics</a> </p> <a href="https://publications.waset.org/abstracts/39466/development-and-characterisation-of-a-microbioreactor-cassette-for-cell-culture-applications" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/39466.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">415</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> Anthropomorphic Interfaces For User Trust in a Highly Automated Driving</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Clarisse%20Lawson-Guidigbe">Clarisse Lawson-Guidigbe</a>, <a href="https://publications.waset.org/abstracts/search?q=Nicolas%20Louveton"> Nicolas Louveton</a>, <a href="https://publications.waset.org/abstracts/search?q=Kahina%20Amokrane-Ferka"> Kahina Amokrane-Ferka</a>, <a href="https://publications.waset.org/abstracts/search?q=Jean-Marc%20Andre"> Jean-Marc Andre</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Trust in automated driving systems is receiving growing attention in the research community. Anthropomorphism has been identified by past research as a trust-building factor. In this paper, we consider three anthropomorphic interfaces integrating three versions of a virtual assistant. We attempt to measure the impact of each of these interfaces on trust in the automated driving system. An experiment following a between-subject design was conducted in a driving simulator (N = 36) to evaluate participants’ performance and experience in two handover situations (a simple one and a critical one). Perception of anthropomorphism and trust was measured using scales, while participants’ experience was measured during elicitation interviews. We found no significant difference between the three interfaces regarding the perception of anthropomorphism, trust levels, or experience. However, regarding participants’ performance, we found a significant difference between the three interfaces in the simple handover situations but not the critical one. Learnings from anthropomorphism and trust measurement scales are discussed and suggestions for further research are proposed. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=highly%20automated%20driving" title="highly automated driving">highly automated driving</a>, <a href="https://publications.waset.org/abstracts/search?q=trust" title=" trust"> trust</a>, <a href="https://publications.waset.org/abstracts/search?q=anthropomorphic%20design" title=" anthropomorphic design"> anthropomorphic design</a>, <a href="https://publications.waset.org/abstracts/search?q=mindful%20anthropomorphism" title=" mindful anthropomorphism"> mindful anthropomorphism</a>, <a href="https://publications.waset.org/abstracts/search?q=mindless%20anthropomorphism" title=" mindless anthropomorphism"> mindless anthropomorphism</a> </p> <a href="https://publications.waset.org/abstracts/146868/anthropomorphic-interfaces-for-user-trust-in-a-highly-automated-driving" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/146868.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">147</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> Cash Flow Optimization on Synthetic CDOs</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Timoth%C3%A9e%20Bligny">Timothée Bligny</a>, <a href="https://publications.waset.org/abstracts/search?q=Cl%C3%A9ment%20Codron"> Clément Codron</a>, <a href="https://publications.waset.org/abstracts/search?q=Antoine%20Estruch"> Antoine Estruch</a>, <a href="https://publications.waset.org/abstracts/search?q=Nicolas%20Girodet"> Nicolas Girodet</a>, <a href="https://publications.waset.org/abstracts/search?q=Cl%C3%A9ment%20Ginet"> Clément Ginet</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Collateralized Debt Obligations are not as widely used nowadays as they were before 2007 Subprime crisis. Nonetheless there remains an enthralling challenge to optimize cash flows associated with synthetic CDOs. A Gaussian-based model is used here in which default correlation and unconditional probabilities of default are highlighted. Then numerous simulations are performed based on this model for different scenarios in order to evaluate the associated cash flows given a specific number of defaults at different periods of time. Cash flows are not solely calculated on a single bought or sold tranche but rather on a combination of bought and sold tranches. With some assumptions, the simplex algorithm gives a way to find the maximum cash flow according to correlation of defaults and maturities. The used Gaussian model is not realistic in crisis situations. Besides present system does not handle buying or selling a portion of a tranche but only the whole tranche. However the work provides the investor with relevant elements on how to know what and when to buy and sell. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=synthetic%20collateralized%20debt%20obligation%20%28CDO%29" title="synthetic collateralized debt obligation (CDO)">synthetic collateralized debt obligation (CDO)</a>, <a href="https://publications.waset.org/abstracts/search?q=credit%20default%20swap%20%28CDS%29" title=" credit default swap (CDS)"> credit default swap (CDS)</a>, <a href="https://publications.waset.org/abstracts/search?q=cash%20flow%20optimization" title=" cash flow optimization"> cash flow optimization</a>, <a href="https://publications.waset.org/abstracts/search?q=probability%20of%20default" title=" probability of default"> probability of default</a>, <a href="https://publications.waset.org/abstracts/search?q=default%20correlation" title=" default correlation"> default correlation</a>, <a href="https://publications.waset.org/abstracts/search?q=strategies" title=" strategies"> strategies</a>, <a href="https://publications.waset.org/abstracts/search?q=simulation" title=" simulation"> simulation</a>, <a href="https://publications.waset.org/abstracts/search?q=simplex" title=" simplex "> simplex </a> </p> <a href="https://publications.waset.org/abstracts/10900/cash-flow-optimization-on-synthetic-cdos" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/10900.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">274</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">87</span> Thermomechanical Behaviour of Various Pressurized Installations Subjected to Thermal Load Due to the Combustion of Metal Particles</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Khaled%20Ayfi">Khaled Ayfi</a>, <a href="https://publications.waset.org/abstracts/search?q=Morgan%20Dal"> Morgan Dal</a>, <a href="https://publications.waset.org/abstracts/search?q=Frederic%20Coste"> Frederic Coste</a>, <a href="https://publications.waset.org/abstracts/search?q=Nicolas%20Gallienne"> Nicolas Gallienne</a>, <a href="https://publications.waset.org/abstracts/search?q=Martina%20Ridlova"> Martina Ridlova</a>, <a href="https://publications.waset.org/abstracts/search?q=Philippe%20Lorong"> Philippe Lorong</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In the gas industry, contamination of equipment by metal particles is one of the feared phenomena. Indeed, particles inside equipment can be driven by the gas flow and accumulate in places where the velocity is low. As they constitute a potential ignition hazard, particular attention is paid to the presence of particles in the oxygen industry. Indeed, the heat release from ignited particles may damage the equipment and even result in a loss of integrity. The objective of this work is to support the development of new design criteria. Studying the thermomechanical behavior of this equipment, thanks to numerical simulations, allows us to test the influence of various operating parameters (oxygen pressure, wall thickness, initial operating temperature, nature of the metal, etc.). Therefore, in this study, we propose a numerical model that describes the thermomechanical behavior of various pressurized installations heated locally by the combustion of small particles. This model takes into account the geometric and material nonlinearity and has been validated by the comparison of simulation results with experimental measurements obtained by a new device developed in this work. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=ignition" title="ignition">ignition</a>, <a href="https://publications.waset.org/abstracts/search?q=oxygen" title=" oxygen"> oxygen</a>, <a href="https://publications.waset.org/abstracts/search?q=numerical%20simulation" title=" numerical simulation"> numerical simulation</a>, <a href="https://publications.waset.org/abstracts/search?q=thermomechanical%20behaviour" title=" thermomechanical behaviour"> thermomechanical behaviour</a> </p> <a href="https://publications.waset.org/abstracts/135549/thermomechanical-behaviour-of-various-pressurized-installations-subjected-to-thermal-load-due-to-the-combustion-of-metal-particles" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/135549.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">154</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> School-Related Variables and Adolescents Substance Use</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Nicolas%20Meylan">Nicolas Meylan</a>, <a href="https://publications.waset.org/abstracts/search?q=Eric%20Tardif"> Eric Tardif</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Many studies have highlighted the links between substance use and school difficulties. However, most of these studies address only the consumption in terms of frequency without considering the different types of behavior (use, abuse, dependence). Moreover, little is known about the associations between substance use and variables such as school engagement and school burnout recently described as a positive state of mind and an exhaustion syndrome related to school, respectively. Through this study, we wish to describe and compare school-related variables in adolescents with different type of substance use. Our study focuses on 402 Swiss adolescents, aged between 14 and 19 years old. They responded collectively and anonymously to a set of scales assessing substance use and several school variables (social support, stress, burnout, engagement and school climate). First, results on frequency and severity of substance use are relatively close to those observed in other studies. Second, it also appears that certain dimensions of stress, burnout, engagement and school climate are associated with the frequency of alcohol and cannabis consumption. Finally, adolescents’ substance abusers show particularly high scores of burnout, cynicism and stress related to workload, which can be understand as self-medication behavior. Additional analyzes are underway to clarify these associations. Results are discussed in terms of implications for research and clinical practice in academic burnout. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=school%20burnout" title="school burnout">school burnout</a>, <a href="https://publications.waset.org/abstracts/search?q=school%20engagement" title=" school engagement"> school engagement</a>, <a href="https://publications.waset.org/abstracts/search?q=adolescence" title=" adolescence"> adolescence</a>, <a href="https://publications.waset.org/abstracts/search?q=substance%20use" title=" substance use"> substance use</a>, <a href="https://publications.waset.org/abstracts/search?q=self-medication" title=" self-medication"> self-medication</a> </p> <a href="https://publications.waset.org/abstracts/42560/school-related-variables-and-adolescents-substance-use" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/42560.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">307</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> Classifying Facial Expressions Based on a Motion Local Appearance Approach</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Fabiola%20M.%20Villalobos-Castaldi">Fabiola M. Villalobos-Castaldi</a>, <a href="https://publications.waset.org/abstracts/search?q=Nicol%C3%A1s%20C.%20Kemper"> Nicolás C. Kemper</a>, <a href="https://publications.waset.org/abstracts/search?q=Esther%20Rojas-Krugger"> Esther Rojas-Krugger</a>, <a href="https://publications.waset.org/abstracts/search?q=Laura%20G.%20Ram%C3%ADrez-S%C3%A1nchez"> Laura G. Ramírez-Sánchez</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper presents the classification results about exploring the combination of a motion based approach with a local appearance method to describe the facial motion caused by the muscle contractions and expansions that are presented in facial expressions. The proposed feature extraction method take advantage of the knowledge related to which parts of the face reflects the highest deformations, so we selected 4 specific facial regions at which the appearance descriptor were applied. The most common used approaches for feature extraction are the holistic and the local strategies. In this work we present the results of using a local appearance approach estimating the correlation coefficient to the 4 corresponding landmark-localized facial templates of the expression face related to the neutral face. The results let us to probe how the proposed motion estimation scheme based on the local appearance correlation computation can simply and intuitively measure the motion parameters for some of the most relevant facial regions and how these parameters can be used to recognize facial expressions automatically. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=facial%20expression%20recognition%20system" title="facial expression recognition system">facial expression recognition system</a>, <a href="https://publications.waset.org/abstracts/search?q=feature%20extraction" title=" feature extraction"> feature extraction</a>, <a href="https://publications.waset.org/abstracts/search?q=local-appearance%20method" title=" local-appearance method"> local-appearance method</a>, <a href="https://publications.waset.org/abstracts/search?q=motion-based%20approach" title=" motion-based approach"> motion-based approach</a> </p> <a href="https://publications.waset.org/abstracts/27632/classifying-facial-expressions-based-on-a-motion-local-appearance-approach" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/27632.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">413</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> Synthesis of Star Compounds Bearing a Porphyrin Core and Cholic Acid Units by Using Click Chemistry: Study of the Optical Properties and Aggregation</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Edgar%20Aguilar-Ort%C3%ADz">Edgar Aguilar-Ortíz</a>, <a href="https://publications.waset.org/abstracts/search?q=Nicolas%20L%C3%A9varay"> Nicolas Lévaray</a>, <a href="https://publications.waset.org/abstracts/search?q=Mireille%20Vonlanthen"> Mireille Vonlanthen</a>, <a href="https://publications.waset.org/abstracts/search?q=Eric%20G.%20Morales-Espinoza"> Eric G. Morales-Espinoza</a>, <a href="https://publications.waset.org/abstracts/search?q=Ernesto%20Rivera"> Ernesto Rivera</a>, <a href="https://publications.waset.org/abstracts/search?q=Xiao%20Xia%20Zhu"> Xiao Xia Zhu</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Four new star compounds bearing a porphyrin core and cholic acid units, (TPPh(Zn) tetra-CA, TPPh(2H) tetra-CA, TPPh(Zn) octa-CA and TPPh(2H) octa-CA), have been synthesized using the Click Chemistry approach, which consist on azide-alkyne couplings. These novel functionalized porphyrins were characterized by 1H and 13C NMR spectroscopy and their structure was confirmed by MALDI-TOF. The optical properties of these compounds were studied by absorption and fluorescence spectroscopy. On the other hand, order to evaluate the amphiphilic properties of the cholic acid units combined with the optical response of the porphyrin core, we performed absorption and fluorescence studies in function of the polarity of the environment. It was found that as soon as we increase the polarity of the solvent, the Zn-metallated porphyrins, (TPPh(Zn) tetra-CA and TPPh(Zn) octa-CA), are able to form J aggregates, whereas the free-base porphyrins, TPPh(2H) tetra-CA and TPPh(2H) octa-CA, behaved differently. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=aggregates" title="aggregates">aggregates</a>, <a href="https://publications.waset.org/abstracts/search?q=amphiphilic" title=" amphiphilic"> amphiphilic</a>, <a href="https://publications.waset.org/abstracts/search?q=cholic%20acid" title=" cholic acid"> cholic acid</a>, <a href="https://publications.waset.org/abstracts/search?q=click-chemistry" title=" click-chemistry"> click-chemistry</a>, <a href="https://publications.waset.org/abstracts/search?q=porphyrin" title=" porphyrin"> porphyrin</a> </p> <a href="https://publications.waset.org/abstracts/44614/synthesis-of-star-compounds-bearing-a-porphyrin-core-and-cholic-acid-units-by-using-click-chemistry-study-of-the-optical-properties-and-aggregation" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/44614.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">305</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> Spatial Patterns and Temporal Evolution of Octopus Abundance in the Mauritanian Zone</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Dedah%20Ahmed%20Babou">Dedah Ahmed Babou</a>, <a href="https://publications.waset.org/abstracts/search?q=Nicolas%20Bez"> Nicolas Bez</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The Min-Max autocorrelation factor (MAF) approach makes it possible to express in a space formed by spatially independent factors, spatiotemporal observations. These factors are ordered in decreasing order of spatial autocorrelation. The starting observations are thus expressed in the space formed by these factors according to temporal coordinates. Each vector of temporal coefficients expresses the temporal evolution of the weight of the corresponding factor. Applying this approach has enabled us to achieve the following results: (i) Define a spatially orthogonal space in which the projections of the raw data are determined; (ii) Define a limit threshold for the factors with the strongest structures in order to analyze the weight, and the temporal evolution of these different structures (iii) Study the correlation between the temporal evolution of the persistent spatial structures and that of the observed average abundance (iv) Propose prototypes of campaigns reflecting a high vs. low abundance (v) Propose a classification of campaigns that highlights seasonal and/or temporal similarities. These results were obtained by analyzing the octopus yield during the scientific campaigns of the oceanographic vessel Al Awam during the period 1989-2017 in the Mauritanian exclusive economic zone. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=spatiotemporal" title="spatiotemporal ">spatiotemporal </a>, <a href="https://publications.waset.org/abstracts/search?q=autocorrelation" title=" autocorrelation"> autocorrelation</a>, <a href="https://publications.waset.org/abstracts/search?q=kriging" title=" kriging"> kriging</a>, <a href="https://publications.waset.org/abstracts/search?q=variogram" title=" variogram"> variogram</a>, <a href="https://publications.waset.org/abstracts/search?q=Octopus%20vulgaris" title=" Octopus vulgaris"> Octopus vulgaris</a> </p> <a href="https://publications.waset.org/abstracts/134284/spatial-patterns-and-temporal-evolution-of-octopus-abundance-in-the-mauritanian-zone" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/134284.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">147</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> Digital Material Characterization Using the Quantum Fourier Transform</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Felix%20Givois">Felix Givois</a>, <a href="https://publications.waset.org/abstracts/search?q=Nicolas%20R.%20Gauger"> Nicolas R. Gauger</a>, <a href="https://publications.waset.org/abstracts/search?q=Matthias%20Kabel"> Matthias Kabel</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The efficient digital material characterization is of great interest to many fields of application. It consists of the following three steps. First, a 3D reconstruction of 2D scans must be performed. Then, the resulting gray-value image of the material sample is enhanced by image processing methods. Finally, partial differential equations (PDE) are solved on the segmented image, and by averaging the resulting solutions fields, effective properties like stiffness or conductivity can be computed. Due to the high resolution of current CT images, the latter is typically performed with matrix-free solvers. Among them, a solver that uses the explicit formula of the Green-Eshelby operator in Fourier space has been proposed by Moulinec and Suquet. Its algorithmic, most complex part is the Fast Fourier Transformation (FFT). In our talk, we will discuss the potential quantum advantage that can be obtained by replacing the FFT with the Quantum Fourier Transformation (QFT). We will especially show that the data transfer for noisy intermediate-scale quantum (NISQ) devices can be improved by using appropriate boundary conditions for the PDE, which also allows using semi-classical versions of the QFT. In the end, we will compare the results of the QFT-based algorithm for simple geometries with the results of the FFT-based homogenization method. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=most%20likelihood%20amplitude%20estimation%20%28MLQAE%29" title="most likelihood amplitude estimation (MLQAE)">most likelihood amplitude estimation (MLQAE)</a>, <a href="https://publications.waset.org/abstracts/search?q=numerical%20homogenization" title=" numerical homogenization"> numerical homogenization</a>, <a href="https://publications.waset.org/abstracts/search?q=quantum%20Fourier%20transformation%20%28QFT%29" title=" quantum Fourier transformation (QFT)"> quantum Fourier transformation (QFT)</a>, <a href="https://publications.waset.org/abstracts/search?q=NISQ%20devises" title=" NISQ devises"> NISQ devises</a> </p> <a href="https://publications.waset.org/abstracts/163241/digital-material-characterization-using-the-quantum-fourier-transform" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/163241.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">78</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> Evaluation of the Impact of Scraping Operations during Winter Road Maintenance on Pavement Skid Resistance</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Garance%20Liaboeuf">Garance Liaboeuf</a>, <a href="https://publications.waset.org/abstracts/search?q=Mohamed%20Bouteldja"> Mohamed Bouteldja</a>, <a href="https://publications.waset.org/abstracts/search?q=Antoine%20Martinet"> Antoine Martinet</a>, <a href="https://publications.waset.org/abstracts/search?q=Nicolas%20Grignard"> Nicolas Grignard</a>, <a href="https://publications.waset.org/abstracts/search?q=Damien%20Pilet"> Damien Pilet</a>, <a href="https://publications.waset.org/abstracts/search?q=Ali%20Daouadji"> Ali Daouadji</a>, <a href="https://publications.waset.org/abstracts/search?q=Alain%20Le%20Bot"> Alain Le Bot</a> </p> <p class="card-text"><strong>Abstract:</strong></p> A series of in-situ tests is set up to evaluate and quantify the long-term effects of scraping operations using steel plows on the skid resistance of pavements. Three pavements are tested, and a total number of 1.800 snowplow scrapings are applied. The skid resistance of the pavements is measured periodically using two indicators on two scales: an average profile depth (macrotexture) and a longitudinal friction coefficient (microtexture). The results of these tests show a reduction in the average profile depth between 4 % and 10 %, depending on the asphalt composition. This reduction of macrotexture is correlated with the reduction of high points on surfaces due to the removal of portions of the aggregate surfaces. The longitudinal friction coefficient of pavements decreases by 4% to 10%. This reduction in microtexture is related to the polishing of the surface of the aggregate used in the pavements. These variations of skid resistance are not linear. A phenomenon of regeneration of the friction coefficient is observed for pavements composed of sand-lime aggregates after several scraping operations. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=GripTester" title="GripTester">GripTester</a>, <a href="https://publications.waset.org/abstracts/search?q=macrotexture" title=" macrotexture"> macrotexture</a>, <a href="https://publications.waset.org/abstracts/search?q=microtexture" title=" microtexture"> microtexture</a>, <a href="https://publications.waset.org/abstracts/search?q=pavement" title=" pavement"> pavement</a>, <a href="https://publications.waset.org/abstracts/search?q=skid%20resistance" title=" skid resistance"> skid resistance</a>, <a href="https://publications.waset.org/abstracts/search?q=snowplow" title=" snowplow"> snowplow</a>, <a href="https://publications.waset.org/abstracts/search?q=TM2" title=" TM2"> TM2</a>, <a href="https://publications.waset.org/abstracts/search?q=winter%20road%20maintenance" title=" winter road maintenance"> winter road maintenance</a> </p> <a href="https://publications.waset.org/abstracts/183005/evaluation-of-the-impact-of-scraping-operations-during-winter-road-maintenance-on-pavement-skid-resistance" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/183005.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">70</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> Across-Breed Genetic Evaluation of New Zealand Dairy Goats</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Nicolas%20Lopez-Villalobos">Nicolas Lopez-Villalobos</a>, <a href="https://publications.waset.org/abstracts/search?q=Dorian%20J.%20Garrick"> Dorian J. Garrick</a>, <a href="https://publications.waset.org/abstracts/search?q=Hugh%20T.%20Blair"> Hugh T. Blair</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Many dairy goat farmers of New Zealand milk herds of mixed breed does. Simultaneous evaluation of sires and does across breed is required to select the best animals for breeding on a common basis. Across-breed estimated breeding values (EBV) and estimated producing values for 208-day lactation yields of milk (MY), fat (FY), protein (PY) and somatic cell score (SCS; LOG2(SCC) of Saanen, Nubian, Alpine, Toggenburg and crossbred dairy goats from 75 herds were estimated using a test day model. Evaluations were based on 248,734 herd-test records representing 125,374 lactations from 65,514 does sired by 930 sires over 9 generations. Averages of MY, FY and PY were 642 kg, 21.6 kg and 19.8 kg, respectively. Average SCC and SCS were 936,518 cells/ml milk and 9.12. Pure-bred Saanen does out-produced other breeds in MY, FY and PY. Average EBV for MY, FY and PY compared to a Saanen base were Nubian -98 kg, 0.1 kg and -1.2 kg; Alpine -64 kg, -1.0 kg and -1.7 kg; and Toggenburg -42 kg, -1.0 kg and -0.5 kg. First-cross heterosis estimates were 29 kg MY, 1.1 kg FY and 1.2 kg PY. Average EBV for SCS compared to a Saanen base were Nubian 0.041, Alpine -0.083 and Toggenburg 0.094. Heterosis for SCS was 0.03. Breeding values are combined with respective economic values to calculate an economic index used for ranking sires and does to reflect farm profit. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=breed%20effects" title="breed effects">breed effects</a>, <a href="https://publications.waset.org/abstracts/search?q=dairy%20goats" title=" dairy goats"> dairy goats</a>, <a href="https://publications.waset.org/abstracts/search?q=milk%20traits" title=" milk traits"> milk traits</a>, <a href="https://publications.waset.org/abstracts/search?q=test-day%20model" title=" test-day model"> test-day model</a> </p> <a href="https://publications.waset.org/abstracts/63513/across-breed-genetic-evaluation-of-new-zealand-dairy-goats" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/63513.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">330</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">79</span> Feedback from Experiments on Managing Methods against Japanese Knotweed on a River Appendix of the RhôNe between 2015 and 2020</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=William%20Brasier">William Brasier</a>, <a href="https://publications.waset.org/abstracts/search?q=Nicolas%20Rabin"> Nicolas Rabin</a>, <a href="https://publications.waset.org/abstracts/search?q=Celeste%20Joly"> Celeste Joly</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Japanese knotweed (Fallopia japonica) is very present on the banks of the Rhone, colonizing more and more areas along the river. The Compagnie Nationale du Rhone (C.N.R.), which manages the river, has experimented with several control techniques in recent years. Since 2015, 15 experimental plots have been monitored on the banks of a restored river appendix to measure the effect of three control methods: confinement by felt, repeated mowing and the planting of competing species and/or species with allelopathic power: Viburnum opulus, Rhamnus frangula, Sambucus ebulus and Juglans regia. Each year, the number of stems, the number of elderberry plants, the height of the plants and photographs were collected. After six years of monitoring, the results showed that the density of knotweed stems decreased by 50 to 90% on all plots. The control methods are sustainable and are gradually gaining in efficiency. The establishment of native plants coupled with regular manual maintenance can reduce the development of Japanese knotweed. Continued monitoring over the next few years will determine the kinetics of the total eradication (i.e. 0 stem/plot) of the Japanese knotweed by these methods. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=fallopia%20japonica" title="fallopia japonica">fallopia japonica</a>, <a href="https://publications.waset.org/abstracts/search?q=interspecific%20plant%20competition" title=" interspecific plant competition "> interspecific plant competition </a>, <a href="https://publications.waset.org/abstracts/search?q=Rhone%20river" title=" Rhone river"> Rhone river</a>, <a href="https://publications.waset.org/abstracts/search?q=riparian%20trees" title=" riparian trees"> riparian trees</a> </p> <a href="https://publications.waset.org/abstracts/132873/feedback-from-experiments-on-managing-methods-against-japanese-knotweed-on-a-river-appendix-of-the-rhone-between-2015-and-2020" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/132873.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">130</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> Effect of Graphene Oxide Nanoparticles on a Heavy Oilfield: Interfacial Tension, Wettability and Oil Displacement Studies</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Jimena%20Lizeth%20Gomez%20Delgado">Jimena Lizeth Gomez Delgado</a>, <a href="https://publications.waset.org/abstracts/search?q=Jhon%20Jairo%20Rodriguez"> Jhon Jairo Rodriguez</a>, <a href="https://publications.waset.org/abstracts/search?q=Nicolas%20Santos"> Nicolas Santos</a>, <a href="https://publications.waset.org/abstracts/search?q=Enrique%20Mejia%20Ospino"> Enrique Mejia Ospino</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Nanotechnology has played an important role in the hydrocarbon industry, recently , due to the unique properties of graphene oxide nanoparticles, they have been incorporated in different studies enhanced oil recovery. Nonetheless, very few studies have used graphene oxide nanoparticles in coreflooding experiments. Herein, the use of Graphene oxide (GO) nanoparticle was explored, exploited and evaluated. The performance of Graphene oxide nanoparticles on the interfacial properties in the presence of different electrolyte concentrations representative of field brine and pH conditions was investigated. Moreover, wettability behavior of the nanofluid at the oil/sand interface was studied used contact angle and Amott Harvey evaluation. Experimental result shows that the adsorption of GO on the sandstone surface changes the wettability of the sandstone from being strongly crude oil-wet to intermediate crude oil-wettability. At 900 ppm formation brine with 8 pH solution and 0.09 wt% nanoparticles concentration, Graphene oxide nanofluid exhibited better performance under the different electrolyte concentration studied. Finally, heavy oil displacement test in sandstone cores showed that oil recovery of Graphene oxide nanofluid had 7% incremental oil recovery over conventional waterflooding. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=nanoparticle" title="nanoparticle">nanoparticle</a>, <a href="https://publications.waset.org/abstracts/search?q=graphene%20oxide" title=" graphene oxide"> graphene oxide</a>, <a href="https://publications.waset.org/abstracts/search?q=nanotechnology" title=" nanotechnology"> nanotechnology</a>, <a href="https://publications.waset.org/abstracts/search?q=wettability" title=" wettability"> wettability</a>, <a href="https://publications.waset.org/abstracts/search?q=enhanced%20oil%20recovery" title=" enhanced oil recovery"> enhanced oil recovery</a>, <a href="https://publications.waset.org/abstracts/search?q=coreflooding" title=" coreflooding"> coreflooding</a> </p> <a href="https://publications.waset.org/abstracts/177299/effect-of-graphene-oxide-nanoparticles-on-a-heavy-oilfield-interfacial-tension-wettability-and-oil-displacement-studies" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/177299.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">108</span> </span> </div> </div> <ul class="pagination"> <li class="page-item disabled"><span class="page-link">&lsaquo;</span></li> <li class="page-item active"><span class="page-link">1</span></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=Nicolas%20Cuevas-Alvear&page=2">2</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=Nicolas%20Cuevas-Alvear&page=3">3</a></li> <li class="page-item"><a class="page-link" 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