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Pereda</title> <meta name="description" content="Search results for: Raúl Pereda"> <meta name="keywords" content="Raúl Pereda"> <meta name="viewport" content="width=device-width, initial-scale=1, minimum-scale=1, maximum-scale=1, user-scalable=no"> <meta charset="utf-8"> <link href="https://cdn.waset.org/favicon.ico" type="image/x-icon" rel="shortcut icon"> <link href="https://cdn.waset.org/static/plugins/bootstrap-4.2.1/css/bootstrap.min.css" rel="stylesheet"> <link href="https://cdn.waset.org/static/plugins/fontawesome/css/all.min.css" rel="stylesheet"> <link href="https://cdn.waset.org/static/css/site.css?v=150220211555" rel="stylesheet"> </head> <body> <header> <div class="container"> <nav class="navbar navbar-expand-lg navbar-light"> <a class="navbar-brand" href="https://waset.org"> <img src="https://cdn.waset.org/static/images/wasetc.png" alt="Open Science Research Excellence" title="Open Science Research Excellence" /> </a> <button class="d-block d-lg-none navbar-toggler ml-auto" type="button" data-toggle="collapse" data-target="#navbarMenu" aria-controls="navbarMenu" aria-expanded="false" aria-label="Toggle navigation"> <span class="navbar-toggler-icon"></span> </button> <div class="w-100"> <div class="d-none d-lg-flex flex-row-reverse"> <form method="get" action="https://waset.org/search" class="form-inline my-2 my-lg-0"> <input class="form-control mr-sm-2" type="search" placeholder="Search Conferences" value="Raúl Pereda" name="q" aria-label="Search"> <button class="btn btn-light my-2 my-sm-0" type="submit"><i class="fas fa-search"></i></button> </form> </div> <div class="collapse navbar-collapse mt-1" id="navbarMenu"> <ul class="navbar-nav ml-auto align-items-center" id="mainNavMenu"> <li class="nav-item"> <a class="nav-link" href="https://waset.org/conferences" title="Conferences in 2024/2025/2026">Conferences</a> </li> <li class="nav-item"> <a class="nav-link" href="https://waset.org/disciplines" title="Disciplines">Disciplines</a> </li> <li 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id="custom-search-input"> <div class="input-group"> <i class="fas fa-search"></i> <input type="text" class="search-query" name="q" placeholder="Author, Title, Abstract, Keywords" value="Raúl Pereda"> <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> 50</div> </div> </div> </div> <h1 class="mt-3 mb-3 text-center" style="font-size:1.6rem;">Search results for: Raúl Pereda</h1> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">50</span> Heavy Metals Estimation in Coastal Areas Using Remote Sensing, Field Sampling and Classical and Robust Statistic</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Elena%20Castillo-L%C3%B3pez">Elena Castillo-López</a>, <a href="https://publications.waset.org/abstracts/search?q=Ra%C3%BAl%20Pereda"> Raúl Pereda</a>, <a href="https://publications.waset.org/abstracts/search?q=Julio%20Manuel%20de%20Luis"> Julio Manuel de Luis</a>, <a href="https://publications.waset.org/abstracts/search?q=Rub%C3%A9n%20P%C3%A9rez"> Rubén Pérez</a>, <a href="https://publications.waset.org/abstracts/search?q=Felipe%20Pi%C3%B1a"> Felipe Piña</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Sediments are an important source of accumulation of toxic contaminants within the aquatic environment. Bioassays are a powerful tool for the study of sediments in relation to their toxicity, but they can be expensive. This article presents a methodology to estimate the main physical property of intertidal sediments in coastal zones: heavy metals concentration. This study, which was developed in the Bay of Santander (Spain), applies classical and robust statistic to CASI-2 hyperspectral images to estimate heavy metals presence and ecotoxicity (TOC). Simultaneous fieldwork (radiometric and chemical sampling) allowed an appropriate atmospheric correction to CASI-2 images. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=remote%20sensing" title="remote sensing">remote sensing</a>, <a href="https://publications.waset.org/abstracts/search?q=intertidal%20sediment" title=" intertidal sediment"> intertidal sediment</a>, <a href="https://publications.waset.org/abstracts/search?q=airborne%20sensors" title=" airborne sensors"> airborne sensors</a>, <a href="https://publications.waset.org/abstracts/search?q=heavy%20metals" title=" heavy metals"> heavy metals</a>, <a href="https://publications.waset.org/abstracts/search?q=eTOCoxicity" title=" eTOCoxicity"> eTOCoxicity</a>, <a href="https://publications.waset.org/abstracts/search?q=robust%20statistic" title=" robust statistic"> robust statistic</a>, <a href="https://publications.waset.org/abstracts/search?q=estimation" title=" estimation"> estimation</a> </p> <a href="https://publications.waset.org/abstracts/69080/heavy-metals-estimation-in-coastal-areas-using-remote-sensing-field-sampling-and-classical-and-robust-statistic" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/69080.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">421</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">49</span> Application Methodology for the Generation of 3D Thermal Models Using UAV Photogrammety and Dual Sensors for Mining/Industrial Facilities Inspection</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Javier%20Sedano-Cibri%C3%A1n">Javier Sedano-Cibrián</a>, <a href="https://publications.waset.org/abstracts/search?q=Julio%20Manuel%20de%20Luis-Ruiz"> Julio Manuel de Luis-Ruiz</a>, <a href="https://publications.waset.org/abstracts/search?q=Rub%C3%A9n%20P%C3%A9rez-%C3%81lvarez"> Rubén Pérez-Álvarez</a>, <a href="https://publications.waset.org/abstracts/search?q=Ra%C3%BAl%20Pereda-Garc%C3%ADa"> Raúl Pereda-García</a>, <a href="https://publications.waset.org/abstracts/search?q=Beatriz%20Malag%C3%B3n-Pic%C3%B3n"> Beatriz Malagón-Picón</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Structural inspection activities are necessary to ensure the correct functioning of infrastructures. Unmanned Aerial Vehicle (UAV) techniques have become more popular than traditional techniques. Specifically, UAV Photogrammetry allows time and cost savings. The development of this technology has permitted the use of low-cost thermal sensors in UAVs. The representation of 3D thermal models with this type of equipment is in continuous evolution. The direct processing of thermal images usually leads to errors and inaccurate results. A methodology is proposed for the generation of 3D thermal models using dual sensors, which involves the application of visible Red-Blue-Green (RGB) and thermal images in parallel. Hence, the RGB images are used as the basis for the generation of the model geometry, and the thermal images are the source of the surface temperature information that is projected onto the model. Mining/industrial facilities representations that are obtained can be used for inspection activities. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=aerial%20thermography" title="aerial thermography">aerial thermography</a>, <a href="https://publications.waset.org/abstracts/search?q=data%20processing" title=" data processing"> data processing</a>, <a href="https://publications.waset.org/abstracts/search?q=drone" title=" drone"> drone</a>, <a href="https://publications.waset.org/abstracts/search?q=low-cost" title=" low-cost"> low-cost</a>, <a href="https://publications.waset.org/abstracts/search?q=point%20cloud" title=" point cloud"> point cloud</a> </p> <a href="https://publications.waset.org/abstracts/148302/application-methodology-for-the-generation-of-3d-thermal-models-using-uav-photogrammety-and-dual-sensors-for-miningindustrial-facilities-inspection" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/148302.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">143</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">48</span> Analysis of the Accuracy of Earth Movement with Drone Surveys</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ra%C3%BAl%20Pereda%20Garc%C3%ADa">Raúl Pereda García</a>, <a href="https://publications.waset.org/abstracts/search?q=Julio%20Manuel%20de%20Luis%20Ruiz"> Julio Manuel de Luis Ruiz</a>, <a href="https://publications.waset.org/abstracts/search?q=Elena%20Castillo%20L%C3%B3pez"> Elena Castillo López</a>, <a href="https://publications.waset.org/abstracts/search?q=Rub%C3%A9n%20P%C3%A9rez%20%C3%81lvarez"> Rubén Pérez Álvarez</a>, <a href="https://publications.waset.org/abstracts/search?q=Felipe%20Pi%C3%B1a%20Garc%C3%ADa"> Felipe Piña García</a> </p> <p class="card-text"><strong>Abstract:</strong></p> New technologies for the capture of point clouds have experienced a great advance in recent years. In this way, its use has been extended in geomatics, providing measurement solutions that have been popularized without there being, many times, a detailed study of its accuracy. This research focuses on the study of the viability of topographic works with drones incorporating different sensors sensitive to the visible spectrum. The fundamentals have been applied to a road, located in Cantabria (Spain), where a platform extension and the reform of a riprap were being constructed. A total of six flights were made during two months, all of them with GPS as part of the photogrammetric process, and the results were contrasted with those measured with total station. The obtained results show that the choice of the camera and the planning of the flight have an important impact on the accuracy. In fact, the representations with a level of detail corresponding to 1/1000 scale are admissible, depending on the existing vegetation, and obtaining better results in the area of the riprap. This set of techniques is, therefore, suitable for the control of earthworks in road works but with certain limitations which are exposed in this paper. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=drone" title="drone">drone</a>, <a href="https://publications.waset.org/abstracts/search?q=earth%20movement%20control" title=" earth movement control"> earth movement control</a>, <a href="https://publications.waset.org/abstracts/search?q=global%20position%20system" title=" global position system"> global position system</a>, <a href="https://publications.waset.org/abstracts/search?q=surveying%20technology." title=" surveying technology. "> surveying technology. </a> </p> <a href="https://publications.waset.org/abstracts/109069/analysis-of-the-accuracy-of-earth-movement-with-drone-surveys" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/109069.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">184</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">47</span> Geometric Contrast of a 3D Model Obtained by Means of Digital Photogrametry with a Quasimetric Camera on UAV Classical Methods</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Julio%20Manuel%20de%20Luis%20Ruiz">Julio Manuel de Luis Ruiz</a>, <a href="https://publications.waset.org/abstracts/search?q=Javier%20Sedano%20Cibri%C3%A1n"> Javier Sedano Cibrián</a>, <a href="https://publications.waset.org/abstracts/search?q=Rub%C3%A9n%20P%C3%A9rez%20%C3%81lvarez"> Rubén Pérez Álvarez</a>, <a href="https://publications.waset.org/abstracts/search?q=Ra%C3%BAl%20Pereda%20Garc%C3%ADa"> Raúl Pereda García</a>, <a href="https://publications.waset.org/abstracts/search?q=Cristina%20Diego%20Soroa"> Cristina Diego Soroa</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Nowadays, the use of drones has been extended to practically any human activity. One of the main applications is focused on the surveying field. In this regard, software programs that process the images captured by the sensor from the drone in an almost automatic way have been developed and commercialized, but they only allow contrasting the results through control points. This work proposes the contrast of a 3D model obtained from a flight developed by a drone and a non-metric camera (due to its low cost), with a second model that is obtained by means of the historically-endorsed classical methods. In addition to this, the contrast is developed over a certain territory with a significant unevenness, so as to test the model generated with photogrammetry, and considering that photogrammetry with drones finds more difficulties in terms of accuracy in this kind of situations. Distances, heights, surfaces and volumes are measured on the basis of the 3D models generated, and the results are contrasted. The differences are about 0.2% for the measurement of distances and heights, 0.3% for surfaces and 0.6% when measuring volumes. Although they are not important, they do not meet the order of magnitude that is presented by salespeople. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=accuracy" title="accuracy">accuracy</a>, <a href="https://publications.waset.org/abstracts/search?q=classical%20topographic" title=" classical topographic"> classical topographic</a>, <a href="https://publications.waset.org/abstracts/search?q=model%20tridimensional" title=" model tridimensional"> model tridimensional</a>, <a href="https://publications.waset.org/abstracts/search?q=photogrammetry" title=" photogrammetry"> photogrammetry</a>, <a href="https://publications.waset.org/abstracts/search?q=Uav." title=" Uav. "> Uav. </a> </p> <a href="https://publications.waset.org/abstracts/134747/geometric-contrast-of-a-3d-model-obtained-by-means-of-digital-photogrametry-with-a-quasimetric-camera-on-uav-classical-methods" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/134747.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">134</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">46</span> Generation of 3d Models Obtained with Low-Cost RGB and Thermal Sensors Mounted on Drones</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Julio%20Manuel%20De%20Luis%20Ruiz">Julio Manuel De Luis Ruiz</a>, <a href="https://publications.waset.org/abstracts/search?q=Javier%20Sedano%20Cibri%C3%A1n"> Javier Sedano Cibrián</a>, <a href="https://publications.waset.org/abstracts/search?q=Rub%C3%A9N%20P%C3%A9rez%20%C3%81lvarez"> RubéN Pérez Álvarez</a>, <a href="https://publications.waset.org/abstracts/search?q=Ra%C3%BAl%20Pereda%20Garc%C3%ADa"> Raúl Pereda García</a>, <a href="https://publications.waset.org/abstracts/search?q=Felipe%20Pi%C3%B1a%20Garc%C3%ADa"> Felipe Piña García</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Nowadays it is common to resort to aerial photography to carry out the prospection and/or exploration of archaeological sites. In this sense, the classic 3D models are being applied to investigate the direction towards which the generally subterranean structures of an archaeological site may continue and therefore, to help in making the decisions that define the location of new excavations. In recent years, Unmanned Aerial Vehicles (UAVs) have been applied as the vehicles that carry the sensor. This implies certain advantages, such as the possibility of including low-cost sensors, given that these vehicles can carry the sensor at relatively low altitudes. Due to this, low-cost dual sensors have recently begun to be used. This new equipment can collaborate with classic Digital Elevation Models (DEMs) in the exploration of archaeological sites, but this entails the need for a methodological setting to optimise the acquisition, processing and exploitation of the information provided by low-cost dual sensors. This research focuses on the design of an appropriate workflow to obtain 3D models with low-cost sensors carried on UAVs, both in the RGB and thermal domains. All the foregoing has been applied to the archaeological site of Juliobriga, located in Cantabria (Spain). <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=process%20optimization" title="process optimization">process optimization</a>, <a href="https://publications.waset.org/abstracts/search?q=RGB%20models" title=" RGB models"> RGB models</a>, <a href="https://publications.waset.org/abstracts/search?q=thermal%20models" title=" thermal models"> thermal models</a>, <a href="https://publications.waset.org/abstracts/search?q=" title=" "> </a>, <a href="https://publications.waset.org/abstracts/search?q=UAV" title=" UAV"> UAV</a>, <a href="https://publications.waset.org/abstracts/search?q=workflow" title=" workflow"> workflow</a> </p> <a href="https://publications.waset.org/abstracts/137056/generation-of-3d-models-obtained-with-low-cost-rgb-and-thermal-sensors-mounted-on-drones" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/137056.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">138</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">45</span> Fuzzy Expert Systems Applied to Intelligent Design of Data Centers</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mario%20M.%20Figueroa%20de%20la%20Cruz">Mario M. Figueroa de la Cruz</a>, <a href="https://publications.waset.org/abstracts/search?q=Claudia%20I.%20Solorzano"> Claudia I. Solorzano</a>, <a href="https://publications.waset.org/abstracts/search?q=Raul%20Acosta"> Raul Acosta</a>, <a href="https://publications.waset.org/abstracts/search?q=Ignacio%20Funes"> Ignacio Funes</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This technological development project seeks to create a tool that allows companies, in need of implementing a Data Center, intelligently determining factors for allocating resources support cooling and power supply (UPS) in its conception. The results should show clearly the speed, robustness and reliability of a system designed for deployment in environments where they must manage and protect large volumes of data. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=telecommunications" title="telecommunications">telecommunications</a>, <a href="https://publications.waset.org/abstracts/search?q=data%20center" title=" data center"> data center</a>, <a href="https://publications.waset.org/abstracts/search?q=fuzzy%20logic" title=" fuzzy logic"> fuzzy logic</a>, <a href="https://publications.waset.org/abstracts/search?q=expert%20systems" title=" expert systems"> expert systems</a> </p> <a href="https://publications.waset.org/abstracts/7297/fuzzy-expert-systems-applied-to-intelligent-design-of-data-centers" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/7297.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">345</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">44</span> Quantum Kernel Based Regressor for Prediction of Non-Markovianity of Open Quantum Systems</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Diego%20Tancara">Diego Tancara</a>, <a href="https://publications.waset.org/abstracts/search?q=Raul%20Coto"> Raul Coto</a>, <a href="https://publications.waset.org/abstracts/search?q=Ariel%20Norambuena"> Ariel Norambuena</a>, <a href="https://publications.waset.org/abstracts/search?q=Hoseein%20T.%20Dinani"> Hoseein T. Dinani</a>, <a href="https://publications.waset.org/abstracts/search?q=Felipe%20Fanchini"> Felipe Fanchini</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Quantum machine learning is a growing research field that aims to perform machine learning tasks assisted by a quantum computer. Kernel-based quantum machine learning models are paradigmatic examples where the kernel involves quantum states, and the Gram matrix is calculated from the overlapping between these states. With the kernel at hand, a regular machine learning model is used for the learning process. In this paper we investigate the quantum support vector machine and quantum kernel ridge models to predict the degree of non-Markovianity of a quantum system. We perform digital quantum simulation of amplitude damping and phase damping channels to create our quantum dataset. We elaborate on different kernel functions to map the data and kernel circuits to compute the overlapping between quantum states. We observe a good performance of the models. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=quantum" title="quantum">quantum</a>, <a href="https://publications.waset.org/abstracts/search?q=machine%20learning" title=" machine learning"> machine learning</a>, <a href="https://publications.waset.org/abstracts/search?q=kernel" title=" kernel"> kernel</a>, <a href="https://publications.waset.org/abstracts/search?q=non-markovianity" title=" non-markovianity"> non-markovianity</a> </p> <a href="https://publications.waset.org/abstracts/165769/quantum-kernel-based-regressor-for-prediction-of-non-markovianity-of-open-quantum-systems" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/165769.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">180</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">43</span> Software Obsolescence Drivers in Aerospace: An Industry Analysis</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ra%C3%BAl%20Gonz%C3%A1lez%20Mu%C3%B1oz">Raúl González Muñoz</a>, <a href="https://publications.waset.org/abstracts/search?q=Essam%20Shehab"> Essam Shehab</a>, <a href="https://publications.waset.org/abstracts/search?q=Martin%20Weinitzke"> Martin Weinitzke</a>, <a href="https://publications.waset.org/abstracts/search?q=Chris%20Fowler"> Chris Fowler</a>, <a href="https://publications.waset.org/abstracts/search?q=Paul%20Baguley"> Paul Baguley</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Software applications have become crucial for the aerospace industry, providing a wide range of functionalities and capabilities. However, due to the considerable time difference between aircraft and software life cycles, obsolescence has turned into a major challenge for industry in last decades. This paper aims to provide a view on the different causes of software obsolescence within aerospace industry, as well as a perception on the importance of each of them. The key research question addressed is what drives software obsolescence in the aerospace industry, managing large software application portfolios. This question has been addressed by conducting firstly an in depth review of current literature and secondly by arranging an industry workshop with professionals from aerospace and consulting companies. The result is a set of drivers of software obsolescence, distributed among three different environments and several domains. By incorporating monitoring methodologies to assess those software obsolescence drivers, benefits in maintenance efforts and operations disruption avoidance are expected. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=aerospace%20industry" title="aerospace industry">aerospace industry</a>, <a href="https://publications.waset.org/abstracts/search?q=obsolescence%20drivers" title=" obsolescence drivers"> obsolescence drivers</a>, <a href="https://publications.waset.org/abstracts/search?q=software%20lifecycle" title=" software lifecycle"> software lifecycle</a>, <a href="https://publications.waset.org/abstracts/search?q=software%20obsolescence" title=" software obsolescence"> software obsolescence</a> </p> <a href="https://publications.waset.org/abstracts/72049/software-obsolescence-drivers-in-aerospace-an-industry-analysis" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/72049.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">411</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">42</span> Economic Design of a Quality Control Chart for the Proportion of Defective Items</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Encarnaci%C3%B3n%20%C3%81lvarez-Verdejo">Encarnación Álvarez-Verdejo</a>, <a href="https://publications.waset.org/abstracts/search?q=Ra%C3%BAl%20Amor-Pulido"> Raúl Amor-Pulido</a>, <a href="https://publications.waset.org/abstracts/search?q=Pablo%20J.%20Moya-Fern%C3%A1ndez"> Pablo J. Moya-Fernández</a>, <a href="https://publications.waset.org/abstracts/search?q=Juan%20F.%20Mu%C3%B1oz-Rosas"> Juan F. Muñoz-Rosas</a>, <a href="https://publications.waset.org/abstracts/search?q=Francisco%20J.%20Blanco-Encomienda"> Francisco J. Blanco-Encomienda</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Many companies use the statistical tool named as statistical quality control, and which can have a high cost for the companies interested on these statistical tools. The evaluation of the quality of products and services is an important topic, but the reduction of the cost of the implantation of the statistical quality control also has important benefits for the companies. For this reason, it is important to implement a economic design for the various steps included into the statistical quality control. In this paper, we describe some relevant aspects related to the economic design of a quality control chart for the proportion of defective items. They are very important because the suggested issues can reduce the cost of implementing a quality control chart for the proportion of defective items. Note that the main purpose of this chart is to evaluate and control the proportion of defective items of a production process. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=proportion" title="proportion">proportion</a>, <a href="https://publications.waset.org/abstracts/search?q=type%20I%20error" title=" type I error"> type I error</a>, <a href="https://publications.waset.org/abstracts/search?q=economic%20plan" title=" economic plan"> economic plan</a>, <a href="https://publications.waset.org/abstracts/search?q=distribution%20function" title=" distribution function"> distribution function</a> </p> <a href="https://publications.waset.org/abstracts/42442/economic-design-of-a-quality-control-chart-for-the-proportion-of-defective-items" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/42442.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">443</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">41</span> The Television as an Affordable and Effective Way to Promote Healthy Diet and Physical Activity to Prevent or Treat Obesity</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=P.%20Gil%20Del%20%C3%81lamo">P. Gil Del Álamo</a>, <a href="https://publications.waset.org/abstracts/search?q=J.%20Garc%C3%ADa%20Pereda"> J. García Pereda</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20Casta%C3%B1eda%20De%20La%20Paz"> A. Castañeda De La Paz</a>, <a href="https://publications.waset.org/abstracts/search?q=D.%20Arazola%20Lopez"> D. Arazola Lopez</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20D.%20Cubiles%20De%20La%20Vega"> M. D. Cubiles De La Vega</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20Engu%C3%ADx%20Gonz%C3%A1lez"> A. Enguíx González</a>, <a href="https://publications.waset.org/abstracts/search?q=J.%20M.%20Mu%C3%B1oz%20Pichardo"> J. M. Muñoz Pichardo</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In the last decades, obesity has more than doubled and is, with overweight, the second leading cause of preventable death. Despite multiple strategies against obesity, no country to date has reduced the number of obese people. To achieve World Health Organization’s target to reverse this tendency we need dramatic and different actions to engage the civil society in creating demand for a healthy style of life. The objective of this study is to demonstrate that a social media as the television can be used to convince the civil society that a healthy nutrition and physical activity are affordable, effective and necessary to prevent and to treat the obesity. Methodology: 61 individuals (34 women and 27 men) with obesity (mean BMI 45,51) were recruited to follow during 22 weeks an intensive lifestyle intervention in order to lose weight in a healthy manner. They were not isolated or moved from their usual environment. This program included endocrinological and nutritional assessment, promotion of physical activity and psychological support. BMI was measured every week. Time to leave obesity between men and women was analyzed with a survival analysis. Results: BMI decreased in all the cases. Analysing Time to leave obesity, around the week 30, 25% of men leave the obesity and around the week 39, 25% of women leave the obesity too. Conclusion: We demonstrate the audience that improving the quality of the diet and increasing the physical activity is a realistic way to lose weight. This evidence can encourage the people to act in their own self-interest changing their style of life in order to prevent or to reduce their overweight. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=obesity%20epidemic" title="obesity epidemic">obesity epidemic</a>, <a href="https://publications.waset.org/abstracts/search?q=obesity%20prevention" title=" obesity prevention"> obesity prevention</a>, <a href="https://publications.waset.org/abstracts/search?q=obesity%20strategies" title=" obesity strategies"> obesity strategies</a>, <a href="https://publications.waset.org/abstracts/search?q=social%20media" title=" social media"> social media</a> </p> <a href="https://publications.waset.org/abstracts/62266/the-television-as-an-affordable-and-effective-way-to-promote-healthy-diet-and-physical-activity-to-prevent-or-treat-obesity" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/62266.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">290</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">40</span> Histochemistry of Intestinal Enzymes of Juvenile Dourado Salminus brasiliensis Fed Bovine Colostrum</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Debora%20B.%20Moretti">Debora B. Moretti</a>, <a href="https://publications.waset.org/abstracts/search?q=Wiolene%20M.%20Nordi"> Wiolene M. Nordi</a>, <a href="https://publications.waset.org/abstracts/search?q=Thaline%20Maira%20P.%20Cruz"> Thaline Maira P. Cruz</a>, <a href="https://publications.waset.org/abstracts/search?q=Jos%C3%A9%20Eurico%20P.%20Cyrino"> José Eurico P. Cyrino</a>, <a href="https://publications.waset.org/abstracts/search?q=Raul%20Machado-Neto"> Raul Machado-Neto</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Enzyme activity was evaluated in the intestine of juvenile dourado (Salminus brasiliensis) fed with diets containing 0, 10 or 20% of lyophilized bovine colostrum (LBC) inclusion for either 30 or 60 days. The intestinal enzymes acid and alkaline phosphatase (ACP and ALP, respectively), non-specific esterase (NSE), lipase (LIP), dipeptidyl aminopeptidase IV (DAP IV) and leucine aminopeptidase (LAP) were studied using histochemistry in four intestinal segments (S1, S2, S3 and posterior intestine). Weak proteolitic activity was observed in all intestinal segments for DAP IV and LAP. The activity of NSE and LIP was also weak in all intestines, except for the moderate activity of NSE in the S2 of 20% LBC group after 30 days and in the S1 of 0% LBC group after 60 days. The ACP was detected only in the S2 and S3 of the 10% LBC group after 30 days. Moderate and strong staining was observed in the first three intestinal segments for ALP and weak activity in the posterior intestine. The activity of DAP IV, LAP and ALP were also present in the cytoplasm of the enterocytes. In the present results, bovine colostrum feeding did not cause alterations in activity of intestinal enzymes. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=carnivorous%20fish" title="carnivorous fish">carnivorous fish</a>, <a href="https://publications.waset.org/abstracts/search?q=enterocyte" title=" enterocyte"> enterocyte</a>, <a href="https://publications.waset.org/abstracts/search?q=intestinal%20epithelium" title=" intestinal epithelium"> intestinal epithelium</a>, <a href="https://publications.waset.org/abstracts/search?q=teleost" title=" teleost"> teleost</a> </p> <a href="https://publications.waset.org/abstracts/9534/histochemistry-of-intestinal-enzymes-of-juvenile-dourado-salminus-brasiliensis-fed-bovine-colostrum" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/9534.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">329</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">39</span> Tool Damage and Adhesion Effects in Turning and Drilling of Hardened Steels</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Chris%20M.%20Taylor">Chris M. Taylor</a>, <a href="https://publications.waset.org/abstracts/search?q=Ian%20Cook"> Ian Cook</a>, <a href="https://publications.waset.org/abstracts/search?q=Raul%20Alegre"> Raul Alegre</a>, <a href="https://publications.waset.org/abstracts/search?q=Pedro%20Arrazola"> Pedro Arrazola</a>, <a href="https://publications.waset.org/abstracts/search?q=Phil%20Spiers"> Phil Spiers</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Noteworthy results have been obtained in the turning and drilling of hardened high-strength steels using tungsten carbide based cutting tools. In a finish turning process, it was seen that surface roughness and tool flank wear followed very different trends against cutting time. The suggested explanation for this behaviour is that the profile cut into the workpiece surface is determined by the tool’s cutting edge profile. It is shown that the profile appearing on the cut surface changes rapidly over time, so the profile of the tool cutting edge should also be changing rapidly. Workpiece material adhered onto the cutting tool, which is also known as a built-up edge, is a phenomenon which could explain the observations made. In terms of tool damage modes, workpiece material adhesion is believed to have contributed to tool wear in examples provided from finish turning, thread turning and drilling. Additionally, evidence of tool fracture and tool abrasion were recorded. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=turning" title="turning">turning</a>, <a href="https://publications.waset.org/abstracts/search?q=drilling" title=" drilling"> drilling</a>, <a href="https://publications.waset.org/abstracts/search?q=adhesion" title=" adhesion"> adhesion</a>, <a href="https://publications.waset.org/abstracts/search?q=wear" title=" wear"> wear</a>, <a href="https://publications.waset.org/abstracts/search?q=hard%20steels" title=" hard steels"> hard steels</a> </p> <a href="https://publications.waset.org/abstracts/52027/tool-damage-and-adhesion-effects-in-turning-and-drilling-of-hardened-steels" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/52027.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">342</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">38</span> Experimental Approach for Determining Hemi-Anechoic Characteristics of Engineering Acoustical Test Chambers</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Santiago%20Montoya-Ospina">Santiago Montoya-Ospina</a>, <a href="https://publications.waset.org/abstracts/search?q=Ra%C3%BAl%20E.%20Jim%C3%A9nez-Mej%C3%ADa"> Raúl E. Jiménez-Mejía</a>, <a href="https://publications.waset.org/abstracts/search?q=Rosa%20Elvira%20Correa%20Guti%C3%A9rrez"> Rosa Elvira Correa Gutiérrez</a> </p> <p class="card-text"><strong>Abstract:</strong></p> An experimental methodology is proposed for determining hemi-anechoic characteristics of an engineering acoustic room built at the facilities of Universidad Nacional de Colombia to evaluate the free-field conditions inside the chamber. Experimental results were compared with theoretical ones in both, the source and the sound propagation inside the chamber. Acoustic source was modeled by using monopole radiation pattern from punctual sources and the image method was considered for dealing with the reflective plane of the room, that means, the floor without insulation. Finite-difference time-domain (FDTD) method was implemented to calculate the sound pressure value at every spatial point of the chamber. Comparison between theoretical and experimental data yields to minimum error, giving satisfactory results for the hemi-anechoic characterization of the chamber. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=acoustic%20impedance" title="acoustic impedance">acoustic impedance</a>, <a href="https://publications.waset.org/abstracts/search?q=finite-difference%20time-domain" title=" finite-difference time-domain"> finite-difference time-domain</a>, <a href="https://publications.waset.org/abstracts/search?q=hemi-anechoic%20characterization" title=" hemi-anechoic characterization"> hemi-anechoic characterization</a> </p> <a href="https://publications.waset.org/abstracts/86159/experimental-approach-for-determining-hemi-anechoic-characteristics-of-engineering-acoustical-test-chambers" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/86159.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">162</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">37</span> A Numerical Investigation of Flow Maldistribution in Inlet Header Configuration of Plate Fin Heat Exchanger</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Appasaheb%20Raul">Appasaheb Raul</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Numerical analysis of a plate fin heat exchanger accounting for the effect of fluid flow maldistribution on the inlet header configuration of the heat exchanger is investigated. It is found that the flow maldistribution is very significant in normal to the flow direction. Various inlet configuration has been studied for various Reynolds Number. By the study, a modified header configuration is proposed and simulated. The two-dimensional parameters are used to evaluate the flow non-uniformity in the header, global flow maldistribution parameter (Sg), and Velocity Ratio (θ). A series of velocity vectors and streamline graphs at different cross-section are achieved and studied qualitatively with experimental results in the literature. The numerical result indicates that the flow maldistribution is serious in the conventional header while in the improved configuration less maldistribution occurs. The flow maldistribution parameter (Sg) and velocity ratio (θ) is reduced in improved configuration. The vortex decreases compared to that of the conventional configuration so the energy and pressure loss is reduced. The improved header can effectively enhance the efficiency of plate fin heat exchanger and uniformity of flow distribution. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=global%20flow%20maldistribution%20parameter" title="global flow maldistribution parameter">global flow maldistribution parameter</a>, <a href="https://publications.waset.org/abstracts/search?q=Sg" title=" Sg"> Sg</a>, <a href="https://publications.waset.org/abstracts/search?q=velocity%20ratio" title=" velocity ratio"> velocity ratio</a>, <a href="https://publications.waset.org/abstracts/search?q=plate%20fin%20heat%20exchanger" title=" plate fin heat exchanger"> plate fin heat exchanger</a>, <a href="https://publications.waset.org/abstracts/search?q=fluent%2014.5" title=" fluent 14.5"> fluent 14.5</a> </p> <a href="https://publications.waset.org/abstracts/34028/a-numerical-investigation-of-flow-maldistribution-in-inlet-header-configuration-of-plate-fin-heat-exchanger" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/34028.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">525</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">36</span> Market Competition and the Adoption of Clean Technology: Evidence from the Taxi Industry</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ra%C3%BAl%20Bajo-Buenestado">Raúl Bajo-Buenestado</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper studies the impact of the intensity of market competition on firms' willingness to adopt green technologies —which has become particularly relevant in the light of the debate on whether competition policies should be relaxed to achieve certain environmental targets. We exploit the staggered rollout of different rail-hailing platforms (most notably, Uber) across different metropolitan areas in Spain as a natural experiment that provides time and city-specific exogenous variation in the intensity of competition to study the impact on taxi drivers' decisions to purchase “green” or “dirty” vehicles. It was shown that the entry of these platforms significantly increased the takeout of green vehicles among professional drivers in incumbent (dominant) conventional taxi companies and decreased that of dirty vehicles. The exact opposite effect is observed in the cities where these platforms were extremely unlikely to enter. Back of the envelope calculations suggest that the entry of Uber is associated with an extra green vehicle purchase in every four among taxi drivers, resulting in a substantial drop in the level of emissions from the taxi fleet —still mostly dominated diesel vehicles. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=technological%20change" title="technological change">technological change</a>, <a href="https://publications.waset.org/abstracts/search?q=green%20technology%20adoption" title=" green technology adoption"> green technology adoption</a>, <a href="https://publications.waset.org/abstracts/search?q=market%20competition" title=" market competition"> market competition</a>, <a href="https://publications.waset.org/abstracts/search?q=diffusion%20of%20technology" title=" diffusion of technology"> diffusion of technology</a>, <a href="https://publications.waset.org/abstracts/search?q=environmental%20externalities" title=" environmental externalities"> environmental externalities</a> </p> <a href="https://publications.waset.org/abstracts/135426/market-competition-and-the-adoption-of-clean-technology-evidence-from-the-taxi-industry" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/135426.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">138</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">35</span> Forecasting of COVID-19 Cases, Hospitalization Admissions, and Death Cases Based on Wastewater Sars-COV-2 Surveillance Using Copula Time Series Model</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Hueiwang%20Anna%20Jeng">Hueiwang Anna Jeng</a>, <a href="https://publications.waset.org/abstracts/search?q=Norou%20Diawara"> Norou Diawara</a>, <a href="https://publications.waset.org/abstracts/search?q=Nancy%20Welch"> Nancy Welch</a>, <a href="https://publications.waset.org/abstracts/search?q=Cynthia%20Jackson"> Cynthia Jackson</a>, <a href="https://publications.waset.org/abstracts/search?q=Rekha%20Singh"> Rekha Singh</a>, <a href="https://publications.waset.org/abstracts/search?q=Kyle%20Curtis"> Kyle Curtis</a>, <a href="https://publications.waset.org/abstracts/search?q=Raul%20Gonzalez"> Raul Gonzalez</a>, <a href="https://publications.waset.org/abstracts/search?q=David%20Jurgens"> David Jurgens</a>, <a href="https://publications.waset.org/abstracts/search?q=Sasanka%20Adikari"> Sasanka Adikari</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Modeling effort is needed to predict the COVID-19 trends for developing management strategies and adaptation measures. The objective of this study was to assess whether SARS-CoV-2 viral load in wastewater could serve as a predictor for forecasting COVID-19 cases, hospitalization cases, and death cases using copula-based time series modeling. SARS-CoV-2 RNA load in raw wastewater in Chesapeake VA was measured using the RT-qPCR method. Gaussian copula time series marginal regression model, incorporating an autoregressive moving average model and the copula function, served as a forecasting model. COVID-19 cases were correlated with wastewater viral load, hospitalization cases, and death cases. The forecasted trend of COVID-19 cases closely paralleled one of the reported cases, with over 90% of the forecasted COVID-19 cases falling within the 99% confidence interval of the reported cases. Wastewater SARS-CoV-2 viral load could serve as a predictor for COVID-19 cases and hospitalization cases. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=COVID-19" title="COVID-19">COVID-19</a>, <a href="https://publications.waset.org/abstracts/search?q=modeling" title=" modeling"> modeling</a>, <a href="https://publications.waset.org/abstracts/search?q=time%20series" title=" time series"> time series</a>, <a href="https://publications.waset.org/abstracts/search?q=copula%20function" title=" copula function"> copula function</a> </p> <a href="https://publications.waset.org/abstracts/175685/forecasting-of-covid-19-cases-hospitalization-admissions-and-death-cases-based-on-wastewater-sars-cov-2-surveillance-using-copula-time-series-model" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/175685.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">68</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">34</span> Study of The Ballistic Impact at Low Speed on Angle-Ply Fibrous Structures</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Daniel%20Barros">Daniel Barros</a>, <a href="https://publications.waset.org/abstracts/search?q=Carlos%20Mota"> Carlos Mota</a>, <a href="https://publications.waset.org/abstracts/search?q=Raul%20Fangueiro"> Raul Fangueiro</a>, <a href="https://publications.waset.org/abstracts/search?q=Pedro%20Rosa"> Pedro Rosa</a>, <a href="https://publications.waset.org/abstracts/search?q=Gon%C3%A7alo%20Domingos"> Gonçalo Domingos</a>, <a href="https://publications.waset.org/abstracts/search?q=Alfredo%20Passanha"> Alfredo Passanha</a>, <a href="https://publications.waset.org/abstracts/search?q=Norberto%20Almeida"> Norberto Almeida</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The main aim of the work was to compare the ballistic performance of developed composites using different types of fiber woven fabrics [0,90] and different layers orientation (Angle-ply). The ballistic laminate composites were developed using E-glass, S-glass and aramid fabrics impregnated with thermosetting epoxy resin and using different layers orientation (0,0)º and (0,15)º. The idea of the study is to compare the ballistic performance of each laminate produced by studying the velocity loss of the fragment fired into the laminate surface. There are present some mechanical properties for laminates produced using the different types of fiber, where tensile, flexural and impact Charpy properties were studied. Overall, the angle-ply laminates produced using orientations of (0,15)º, despite the slight loss of mechanical properties compared to the (0,0)º orientation, presents better ballistic resistance and dissipation of energy, for lower ballistic impact velocities (under 290 m/s-1). After treatment of ballistic impact results, the S-Glass with (0,15)º laminate presents better ballistic perforce compared to the other combinations studied. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=ballistic%20impact" title="ballistic impact">ballistic impact</a>, <a href="https://publications.waset.org/abstracts/search?q=angle-ply" title=" angle-ply"> angle-ply</a>, <a href="https://publications.waset.org/abstracts/search?q=ballistic%20composite" title=" ballistic composite"> ballistic composite</a>, <a href="https://publications.waset.org/abstracts/search?q=s-glass%20fiber" title=" s-glass fiber"> s-glass fiber</a>, <a href="https://publications.waset.org/abstracts/search?q=aramid%20fiber" title=" aramid fiber"> aramid fiber</a>, <a href="https://publications.waset.org/abstracts/search?q=fabric%20fiber" title=" fabric fiber"> fabric fiber</a>, <a href="https://publications.waset.org/abstracts/search?q=energy%20dissipation" title=" energy dissipation"> energy dissipation</a>, <a href="https://publications.waset.org/abstracts/search?q=mechanical%20performance" title=" mechanical performance"> mechanical performance</a> </p> <a href="https://publications.waset.org/abstracts/140125/study-of-the-ballistic-impact-at-low-speed-on-angle-ply-fibrous-structures" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/140125.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">208</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">33</span> Intestinal Epithelium of Juvenile Dourado (Salminus brasiliensis) Fed with Bovine Colostrum</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Thaline%20Maira%20P.%20Cruz">Thaline Maira P. Cruz</a>, <a href="https://publications.waset.org/abstracts/search?q=Debora%20B.%20Moretti"> Debora B. Moretti</a>, <a href="https://publications.waset.org/abstracts/search?q=Wiolene%20M.%20Nordi"> Wiolene M. Nordi</a>, <a href="https://publications.waset.org/abstracts/search?q=Jos%C3%A9%20Eurico%20P.%20Cyrino"> José Eurico P. Cyrino</a>, <a href="https://publications.waset.org/abstracts/search?q=Raul%20Machado-Neto"> Raul Machado-Neto</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The aim of this study was to evaluate the effect of lyophilized bovine colostrum (LBC) used as partial source of dietary protein on the histological characteristics of the intestinal epithelium of juvenile dourado (Salminus brasiliensis). Juveniles were fed with diets containing 0, 10 or 20% of lyophilized bovine colostrum (LBC) inclusion for either 30 or 60 days. For the histological study, the intestine was divided into three segments, S1, S2 and posterior intestine. In the S1 segment, interaction between treatment and period was observed in the number of goblet cells containing sialomucin, effect of treatment in the total number of goblet cells and effect of period in the number of goblet cells containing sulphomucins (P<0.05). In the S2 segment, effect of period was observed in the number of goblet cells containing acid, neutral and total mucins, sialomucins and Vv (P<0.05). In the posterior intestine, effect of period was observed in the thickness of muscle layer and number of goblet cells containing sialomucins and sulphomucins (P<0.05). Considering the aspects studied, the presence of lyophilized bovine colostrum in the diet did not significantly influence the enteric histological characteristics of juvenile dourado during the period of the study. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=carnivorous%20fish" title="carnivorous fish">carnivorous fish</a>, <a href="https://publications.waset.org/abstracts/search?q=goblet%20cells" title=" goblet cells"> goblet cells</a>, <a href="https://publications.waset.org/abstracts/search?q=mucins" title=" mucins"> mucins</a>, <a href="https://publications.waset.org/abstracts/search?q=teleost" title=" teleost"> teleost</a> </p> <a href="https://publications.waset.org/abstracts/9976/intestinal-epithelium-of-juvenile-dourado-salminus-brasiliensis-fed-with-bovine-colostrum" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/9976.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">572</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">32</span> Design and Implementation of a Counting and Differentiation System for Vehicles through Video Processing</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Derlis%20Gregor">Derlis Gregor</a>, <a href="https://publications.waset.org/abstracts/search?q=Kevin%20Cikel"> Kevin Cikel</a>, <a href="https://publications.waset.org/abstracts/search?q=Mario%20Arzamendia"> Mario Arzamendia</a>, <a href="https://publications.waset.org/abstracts/search?q=Ra%C3%BAl%20Gregor"> Raúl Gregor</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper presents a self-sustaining mobile system for counting and classification of vehicles through processing video. It proposes a counting and classification algorithm divided in four steps that can be executed multiple times in parallel in a SBC (Single Board Computer), like the Raspberry Pi 2, in such a way that it can be implemented in real time. The first step of the proposed algorithm limits the zone of the image that it will be processed. The second step performs the detection of the mobile objects using a BGS (Background Subtraction) algorithm based on the GMM (Gaussian Mixture Model), as well as a shadow removal algorithm using physical-based features, followed by morphological operations. In the first step the vehicle detection will be performed by using edge detection algorithms and the vehicle following through Kalman filters. The last step of the proposed algorithm registers the vehicle passing and performs their classification according to their areas. An auto-sustainable system is proposed, powered by batteries and photovoltaic solar panels, and the data transmission is done through GPRS (General Packet Radio Service)eliminating the need of using external cable, which will facilitate it deployment and translation to any location where it could operate. The self-sustaining trailer will allow the counting and classification of vehicles in specific zones with difficult access. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=intelligent%20transportation%20system" title="intelligent transportation system">intelligent transportation system</a>, <a href="https://publications.waset.org/abstracts/search?q=object%20detection" title=" object detection"> object detection</a>, <a href="https://publications.waset.org/abstracts/search?q=vehicle%20couting" title=" vehicle couting"> vehicle couting</a>, <a href="https://publications.waset.org/abstracts/search?q=vehicle%20classification" title=" vehicle classification"> vehicle classification</a>, <a href="https://publications.waset.org/abstracts/search?q=video%20processing" title=" video processing"> video processing</a> </p> <a href="https://publications.waset.org/abstracts/43870/design-and-implementation-of-a-counting-and-differentiation-system-for-vehicles-through-video-processing" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/43870.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">322</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">31</span> Test Bench Development and Functional Analysis of a Reaction Wheel for an Attitude Determination and Control System Prototype</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Pablo%20Raul%20Yanyachi">Pablo Raul Yanyachi</a>, <a href="https://publications.waset.org/abstracts/search?q=Alfredo%20Mamani%20Saico"> Alfredo Mamani Saico</a>, <a href="https://publications.waset.org/abstracts/search?q=Jorch%20Mendoza"> Jorch Mendoza</a>, <a href="https://publications.waset.org/abstracts/search?q=Wang%20Xinsheng"> Wang Xinsheng</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The Attitude Determination and Control System (ADCS) plays a pivotal role in the operation of nanosatellites such as Cubesats, managing orientation and stability during space missions. Within the ADCS, Reaction Wheels (RW) are electromechanical devices responsible for adjusting and maintaining satellite orientation through the application of kinetic moments. This study focuses on the characterization and analysis of a specific Reaction Wheel integrated into an ADCS prototype developed at the National University of San Agust´ın, Arequipa (UNSA). To achieve this, a single-axis Test Bench was constructed, where the reaction wheel consists of a brushless motor and an inertia flywheel driven by an Electronic Speed Controller (ESC). The research encompasses RW characterization, energy consumption evaluation, dynamic modeling, and control. The results have allowed us to ensure the maneuverability of ADCS prototypes while maintaining energy consumption within acceptable limits. The characterization and linearity analysis provides valuable insights for sizing and optimizing future reaction wheel prototypes for nanosatellites. This contributes to the ongoing development of aerospace technology within the scientific community at UNSA. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=test%20bench" title="test bench">test bench</a>, <a href="https://publications.waset.org/abstracts/search?q=nanosatellite" title=" nanosatellite"> nanosatellite</a>, <a href="https://publications.waset.org/abstracts/search?q=control" title=" control"> control</a>, <a href="https://publications.waset.org/abstracts/search?q=reaction%20wheel" title=" reaction wheel"> reaction wheel</a> </p> <a href="https://publications.waset.org/abstracts/182959/test-bench-development-and-functional-analysis-of-a-reaction-wheel-for-an-attitude-determination-and-control-system-prototype" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/182959.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">101</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">30</span> Operational Software Maturity: An Aerospace Industry Analysis</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ra%C3%BAl%20Gonz%C3%A1lez%20Mu%C3%B1oz">Raúl González Muñoz</a>, <a href="https://publications.waset.org/abstracts/search?q=Essam%20Shehab"> Essam Shehab</a>, <a href="https://publications.waset.org/abstracts/search?q=Martin%20Weinitzke"> Martin Weinitzke</a>, <a href="https://publications.waset.org/abstracts/search?q=Chris%20Fowler"> Chris Fowler</a>, <a href="https://publications.waset.org/abstracts/search?q=Paul%20Baguley"> Paul Baguley</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Software applications have become crucial to the aerospace industry, providing a wide range of functionalities and capabilities used during the design, manufacturing and support of aircraft. However, as this criticality increases, so too does the risk for business operations when facing a software failure. Hence, there is a need for new methodologies to be developed to support aerospace companies in effectively managing their software portfolios, avoiding the hazards of business disruption and additional costs. This paper aims to provide a definition of operational software maturity, and how this can be used to assess software operational behaviour, as well as a view on the different aspects that drive software maturity within the aerospace industry. The key research question addressed is, how can operational software maturity monitoring assist the aerospace industry in effectively managing large software portfolios? This question has been addressed by conducting an in depth review of current literature, by working closely with aerospace professionals and by running an industry case study within a major aircraft manufacturer. The results are a software maturity model composed of a set of drivers and a prototype tool used for the testing and validation of the research findings. By utilising these methodologies to assess the operational maturity of software applications in aerospace, benefits in maintenance activities and operations disruption avoidance have been observed, supporting business cases for system improvement. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=aerospace" title="aerospace">aerospace</a>, <a href="https://publications.waset.org/abstracts/search?q=software%20lifecycle" title=" software lifecycle"> software lifecycle</a>, <a href="https://publications.waset.org/abstracts/search?q=software%20maintenance" title=" software maintenance"> software maintenance</a>, <a href="https://publications.waset.org/abstracts/search?q=software%20maturity" title=" software maturity"> software maturity</a> </p> <a href="https://publications.waset.org/abstracts/62835/operational-software-maturity-an-aerospace-industry-analysis" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/62835.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">325</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">29</span> Development and Characterization of Re-Entrant Auxetic Fibrous Structures for Application in Ballistic Composites </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Rui%20Magalh%C3%A3es">Rui Magalhães</a>, <a href="https://publications.waset.org/abstracts/search?q=Sohel%20Rana"> Sohel Rana</a>, <a href="https://publications.waset.org/abstracts/search?q=Raul%20Fangueiro"> Raul Fangueiro</a>, <a href="https://publications.waset.org/abstracts/search?q=Clara%20Gon%C3%A7alves"> Clara Gonçalves</a>, <a href="https://publications.waset.org/abstracts/search?q=Pedro%20Nunes"> Pedro Nunes</a>, <a href="https://publications.waset.org/abstracts/search?q=Gustavo%20Dias"> Gustavo Dias</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Auxetic fibrous structures and composites with negative Poisson’s ratio (NPR) have huge potential for application in ballistic protection due to their high energy absorption and excellent impact resistance. In the present research, re-entrant lozenge auxetic fibrous structures were produced through weft knitting technology using high performance polyamide and para-aramid fibres. Fabric structural parameters (e.g. loop length) and machine parameters (e.g. take down load) were varied in order to investigate their influence on the auxetic behaviours of the produced structures. These auxetic structures were then impregnated with two types of polymeric resins (epoxy and polyester) to produce composite materials, which were subsequently characterized for the auxetic behaviour. It was observed that the knitted fabrics produced using the polyamide yarns exhibited NPR over a wide deformation range, which was strongly dependant on the loop length and take down load. The polymeric composites produced from the auxetic fabrics also showed good auxetic property, which was superior in case of the polyester matrix. The experimental results suggested that these composites made from the auxetic fibrous structures can be properly designed to find potential use in the body amours for personal protection applications. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=auxetic%20fabrics" title="auxetic fabrics">auxetic fabrics</a>, <a href="https://publications.waset.org/abstracts/search?q=high%20performance" title=" high performance"> high performance</a>, <a href="https://publications.waset.org/abstracts/search?q=composites" title=" composites"> composites</a>, <a href="https://publications.waset.org/abstracts/search?q=energy%20absorption" title=" energy absorption"> energy absorption</a>, <a href="https://publications.waset.org/abstracts/search?q=impact%20resistance" title=" impact resistance"> impact resistance</a> </p> <a href="https://publications.waset.org/abstracts/89742/development-and-characterization-of-re-entrant-auxetic-fibrous-structures-for-application-in-ballistic-composites" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/89742.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">254</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">28</span> Evaluation of Two Functional Food Products: Tortillas and Yogurt Based on Spirulina platensis and Haematococcus pluvialis</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Raul%20Alexis%20Sanchez%20Cornejo">Raul Alexis Sanchez Cornejo</a>, <a href="https://publications.waset.org/abstracts/search?q=Elena%20Ivonne%20Mancera%20Andrade"> Elena Ivonne Mancera Andrade</a>, <a href="https://publications.waset.org/abstracts/search?q=Gibran%20Sidney%20Aleman%20Nava"> Gibran Sidney Aleman Nava</a>, <a href="https://publications.waset.org/abstracts/search?q=Angel%20Josue%20Arteaga%20Garces"> Angel Josue Arteaga Garces</a>, <a href="https://publications.waset.org/abstracts/search?q=Roberto%20Parra%20Saldivar"> Roberto Parra Saldivar</a> </p> <p class="card-text"><strong>Abstract:</strong></p> An unhealthy diet is one of the main factors for a wide range of chronical diseases such as diabetes, obesity, cancer, cardiovascular diseases, among others. Nowadays, there is a current need to provide innovate healthy products to people in order to decrease the number of people with unhealthy diet. This study focuses on the production of two food products based on two microalgae strains: Tortillas with powder of Haematococcus pluvialis and Spirulina platensis biomass and yogurt with microencapsulated biomass of the same strains. S. platensis has been used widely as food supplements in a form of powder and pills due to its high content in proteins and fatty acids. Haematococcus pluvialis has been recognized for its ability to produce high-added value products under stressful conditions such as antioxidants (astaxanthin). Despite the benefits that those microalgae have, few efforts have been done to use them in food products. The main objective of this work is to evaluate the nutritional properties such as protein content, lipid fraction, carbohydrates, antioxidants,, and vitamins, that these microalgae strains provide to the food product. Additionally, physicochemical, and sensory evaluation were assessed to evaluate the quality of the product. The results obtained will dictate the feasibility of the product to be commercialized. These novel products will have the ability to change the nutritional intake and strength the health of the consumers. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=functional%20food" title="functional food">functional food</a>, <a href="https://publications.waset.org/abstracts/search?q=Haematococcus%20pluvialis" title=" Haematococcus pluvialis"> Haematococcus pluvialis</a>, <a href="https://publications.waset.org/abstracts/search?q=microalgae" title=" microalgae"> microalgae</a>, <a href="https://publications.waset.org/abstracts/search?q=Spirulina%20platensis" title=" Spirulina platensis"> Spirulina platensis</a>, <a href="https://publications.waset.org/abstracts/search?q=tortilla" title=" tortilla"> tortilla</a>, <a href="https://publications.waset.org/abstracts/search?q=yogurt" title=" yogurt"> yogurt</a> </p> <a href="https://publications.waset.org/abstracts/57524/evaluation-of-two-functional-food-products-tortillas-and-yogurt-based-on-spirulina-platensis-and-haematococcus-pluvialis" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/57524.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">313</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">27</span> Use of Recycled Vegetable Oil in the Diet of Lactating Sows</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Juan%20Manuel%20Uriarte%20Lopez">Juan Manuel Uriarte Lopez</a>, <a href="https://publications.waset.org/abstracts/search?q=Hector%20Raul%20Guemez%20Gaxiola"> Hector Raul Guemez Gaxiola</a>, <a href="https://publications.waset.org/abstracts/search?q=Javier%20Alonso%20Romo%20Rubio"> Javier Alonso Romo Rubio</a>, <a href="https://publications.waset.org/abstracts/search?q=Juan%20Manuel%20Romo%20Valdez"> Juan Manuel Romo Valdez</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The objective of this investigation was to determine the influence of the use of recycled vegetable oil from restaurants in the productive performance of sows in lactation. Twenty-four hybrids lactating sows (Landrace x Yorkshire) were divided into three treatments with eight sows per treatment. On day 107 of gestation, the sows were moved to the mesh floor maternity cages in an environment regulated by the environment regulated (2.4 × 0.6 m) contained an area (2.4 × 0.5 m) for newborn pigs on each side, all diets were provided as a dry powder, and the sows received free access to water throughout the experimental period. After farrowing, the sows were fasted for 12 hours, the daily feed ration gradually increased, and the sows had ad libitum access to feed on the fourth day. The diets used were corn-soybean meal-based, containing 0 (CONT), recycled vegetable oil 1.0 % (RVOL), or recycled vegetable oil 1.5 % (RVOH) for 30 days. The diets contained similar calculated levels of crude protein and metabolizable energy and contained vitamins and minerals that exceeded National Research Council (1998) recommendations; sows were fed three times daily. On day 30, piglets were weaned, and performances of lactating sows and nursery piglets were recorded. Results indicated that average daily feed intake (5.58, 5.55, and 5.49 kg for CONT, RVOL, and RVO, respectively) of sows were not affected (P > 0.05) by different dietary. There was no difference in the average body weight of piglets on the day of birth, with 1.33, 1.36, and 1.35 kg, respectively (P > 0.05). There was no difference in average body weight of piglets on day 30, with 6.91, 6.75, and 7.05 kg, respectively 0.05) between treatments numbers of weaned piglets per sow (9.95, 9.80, and 9.80) were not affected by treatments (P > 0.05).In conclusion, the substitution of virgin vegetable oil for recycled vegetable oil in the diet does not affect the productive performance of lactating sows. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=lactating" title="lactating">lactating</a>, <a href="https://publications.waset.org/abstracts/search?q=sow" title=" sow"> sow</a>, <a href="https://publications.waset.org/abstracts/search?q=vegetable" title=" vegetable"> vegetable</a>, <a href="https://publications.waset.org/abstracts/search?q=oil" title=" oil"> oil</a> </p> <a href="https://publications.waset.org/abstracts/142975/use-of-recycled-vegetable-oil-in-the-diet-of-lactating-sows" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/142975.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">300</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">26</span> Rationalizing the Utilization of Interactive Engagement Strategies in Teaching Specialized Science Courses of STEM and GA Strands in the Academic Track of Philippine Senior High School Curriculum</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Raul%20G.%20Angeles">Raul G. Angeles</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The Philippine government instituted major reforms in its educational system. The Department of Education pushes the K to 12 program that makes kindergarten mandatory and adds two years of senior high school to the country's basic education. In essence, the students’ stay in basic education particularly those who are supposedly going to college is extended. The majority of the students expressed that they will be taking the Academic Track of the Senior High School curriculum specifically the Science, Technology, Engineering and Mathematics (STEM) and General Academic (GA) strands. Almost certainly, instruction should match the students' styles and thus through this descriptive study a city survey was conducted to explore the teaching strategies preferences of junior high school students and teachers who will be promoted to senior high school during the Academic Year 2016-2017. This study was conducted in selected public and private secondary schools in Metro Manila. Questionnaires were distributed to students and teachers; and series of follow-up interviews were also carried out to generate additional information. Preferences of students are centered on employing innovations such as technology, cooperative and problem-based learning. While the students will still be covered by basic education their interests in science are sparking to a point where the usual teaching styles may no longer work to them and for that cause, altering the teaching methods is recommended to create a teacher-student style matching. Other effective strategies must likewise be implemented. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=curriculum%20development" title="curriculum development">curriculum development</a>, <a href="https://publications.waset.org/abstracts/search?q=effective%20teaching%20strategies" title=" effective teaching strategies"> effective teaching strategies</a>, <a href="https://publications.waset.org/abstracts/search?q=problem-based%20learning" title=" problem-based learning"> problem-based learning</a>, <a href="https://publications.waset.org/abstracts/search?q=senior%20high%20school" title=" senior high school"> senior high school</a>, <a href="https://publications.waset.org/abstracts/search?q=science%20education" title=" science education"> science education</a>, <a href="https://publications.waset.org/abstracts/search?q=technology" title=" technology"> technology</a> </p> <a href="https://publications.waset.org/abstracts/50006/rationalizing-the-utilization-of-interactive-engagement-strategies-in-teaching-specialized-science-courses-of-stem-and-ga-strands-in-the-academic-track-of-philippine-senior-high-school-curriculum" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/50006.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">25</span> Experimental Evaluation of 10 Ecotypes of Toxic and Non-Toxic Jatropha curcas as Raw Material to Produce Biodiesel in Morelos State, Mexico</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Guadalupe%20P%C3%A9rez">Guadalupe Pérez</a>, <a href="https://publications.waset.org/abstracts/search?q=Jorge%20Islas"> Jorge Islas</a>, <a href="https://publications.waset.org/abstracts/search?q=Mirna%20Guevara"> Mirna Guevara</a>, <a href="https://publications.waset.org/abstracts/search?q=Ra%C3%BAl%20Su%C3%A1rez"> Raúl Suárez</a> </p> <p class="card-text"><strong>Abstract:</strong></p> <em>Jatropha curcas</em> is a perennial oleaginous plant that is currently considered an energy crop with high potential as an environmentally sustainable biofuel. During the last decades, research in biofuels has grown in tropical and subtropical regions in Latin America. However, as far we know, there are no reports on the growth and yield patterns of <em>Jatropha curcas</em> under the specific agro climatic scenarios of the State of Morelos, Mexico. This study presents the results of 52 months monitoring of 10 toxic and non-toxic ecotypes of <em>Jatropha curcas</em> (E1M, E2M, E3M, E4M, E5M, E6O, E7O, E8O, E9C, E10C) in an experimental plantation with minimum watering and fertilization resources. The main objective is to identify the ecotypes with the highest potential as biodiesel raw material in the select region, by developing experimental information. Specifically, we monitored biophysical and growth parameters, including plant survival and seed production (at the end of month 52), to study the performance of each ecotype and to establish differences among the variables of morphological growth, net seed oil content, and toxicity. To analyze the morphological growth, a statistical approach to the biophysical parameters was used; the net seed oil content -80 to 192 kg/ha- was estimated with the first harvest; and the toxicity was evaluated by examining the phorbol ester concentration (µg/L) in the oil extracted from the seeds. The comparison and selection of ecotypes was performed through a methodology developed based on the normalization of results. We identified four outstanding ecotypes (E1M, E2M, E3M, and E4M) that can be used to establish <em>Jatropha curcas</em> as energy crops in the state of Morelos for feasible agro-industrial production of biodiesel and other products related to the use of biomass. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=biodiesel%20production" title="biodiesel production">biodiesel production</a>, <a href="https://publications.waset.org/abstracts/search?q=Jatropha%20curcas" title=" Jatropha curcas"> Jatropha curcas</a>, <a href="https://publications.waset.org/abstracts/search?q=seed%20oil%20content" title=" seed oil content"> seed oil content</a>, <a href="https://publications.waset.org/abstracts/search?q=toxic%20and%20non-toxic%20ecotypes" title=" toxic and non-toxic ecotypes"> toxic and non-toxic ecotypes</a> </p> <a href="https://publications.waset.org/abstracts/106293/experimental-evaluation-of-10-ecotypes-of-toxic-and-non-toxic-jatropha-curcas-as-raw-material-to-produce-biodiesel-in-morelos-state-mexico" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/106293.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">133</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">24</span> Rescaled Range Analysis of Seismic Time-Series: Example of the Recent Seismic Crisis of Alhoceima</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Marina%20Benito-Parejo">Marina Benito-Parejo</a>, <a href="https://publications.waset.org/abstracts/search?q=Raul%20Perez-Lopez"> Raul Perez-Lopez</a>, <a href="https://publications.waset.org/abstracts/search?q=Miguel%20Herraiz"> Miguel Herraiz</a>, <a href="https://publications.waset.org/abstracts/search?q=Carolina%20Guardiola-Albert"> Carolina Guardiola-Albert</a>, <a href="https://publications.waset.org/abstracts/search?q=Cesar%20Martinez"> Cesar Martinez</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Persistency, long-term memory and randomness are intrinsic properties of time-series of earthquakes. The Rescaled Range Analysis (RS-Analysis) was introduced by Hurst in 1956 and modified by Mandelbrot and Wallis in 1964. This method represents a simple and elegant analysis which determines the range of variation of one natural property (the seismic energy released in this case) in a time interval. Despite the simplicity, there is complexity inherent in the property measured. The cumulative curve of the energy released in time is the well-known fractal geometry of a devil’s staircase. This geometry is used for determining the maximum and minimum value of the range, which is normalized by the standard deviation. The rescaled range obtained obeys a power-law with the time, and the exponent is the Hurst value. Depending on this value, time-series can be classified in long-term or short-term memory. Hence, an algorithm has been developed for compiling the RS-Analysis for time series of earthquakes by days. Completeness time distribution and locally stationarity of the time series are required. The interest of this analysis is their application for a complex seismic crisis where different earthquakes take place in clusters in a short period. Therefore, the Hurst exponent has been obtained for the seismic crisis of Alhoceima (Mediterranean Sea) of January-March, 2016, where at least five medium-sized earthquakes were triggered. According to the values obtained from the Hurst exponent for each cluster, a different mechanical origin can be detected, corroborated by the focal mechanisms calculated by the official institutions. Therefore, this type of analysis not only allows an approach to a greater understanding of a seismic series but also makes possible to discern different types of seismic origins. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Alhoceima%20crisis" title="Alhoceima crisis">Alhoceima crisis</a>, <a href="https://publications.waset.org/abstracts/search?q=earthquake%20time%20series" title=" earthquake time series"> earthquake time series</a>, <a href="https://publications.waset.org/abstracts/search?q=Hurst%20exponent" title=" Hurst exponent"> Hurst exponent</a>, <a href="https://publications.waset.org/abstracts/search?q=rescaled%20range%20analysis" title=" rescaled range analysis"> rescaled range analysis</a> </p> <a href="https://publications.waset.org/abstracts/73744/rescaled-range-analysis-of-seismic-time-series-example-of-the-recent-seismic-crisis-of-alhoceima" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/73744.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">321</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">23</span> Antiproliferative Effect of Polyphenols from Crocus sativus L. Leaves on Human Colon Adenocarcinoma Cells (Caco-2)</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Gonzalo%20Ortiz%20de%20Elguea-Culebras">Gonzalo Ortiz de Elguea-Culebras</a>, <a href="https://publications.waset.org/abstracts/search?q=Ra%C3%BAl%20S%C3%A1nchez-Vioquea"> Raúl Sánchez-Vioquea</a>, <a href="https://publications.waset.org/abstracts/search?q=Adela%20Mena-Morales"> Adela Mena-Morales</a>, <a href="https://publications.waset.org/abstracts/search?q=Manuel%20Alaiz"> Manuel Alaiz</a>, <a href="https://publications.waset.org/abstracts/search?q=Enrique%20Melero-Bravo"> Enrique Melero-Bravo</a>, <a href="https://publications.waset.org/abstracts/search?q=Esteban%20Garc%C3%ADa-Romero"> Esteban García-Romero</a>, <a href="https://publications.waset.org/abstracts/search?q=Javier%20Vioque"> Javier Vioque</a>, <a href="https://publications.waset.org/abstracts/search?q=Lourdes%20Marchante-Cuevas"> Lourdes Marchante-Cuevas</a>, <a href="https://publications.waset.org/abstracts/search?q=Julio%20Gir%C3%B3n-Calle"> Julio Girón-Calle</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Saffron (Crocus sativus L.) is a highly valued crop for the manufacture of spice that consists of the dried stigma of the flowers. This is in contrast to other underutilized parts of the saffron plant as leaves, which represent abundant biomass whose use might help to enhance the sustainability of the saffron crop. Saffron leaves contain significant amounts of phenolic compounds, 7.8 equivalent grams of gallic acid per 100g of extract, and are very promising compounds in terms of exploring novel uses of saffron leaves. Given that phenolic compounds have numerous effects on cancer-related biological pathways, we have investigated the in vitro antiproliferative effect of saffron leaf polyphenols against human colon adenocarcinoma cells (Caco-2). Polyphenols were extracted from leaves with 70% ethanol, defatted with hexane, and purified by solid phase extraction using C18 silica gel and then silica gel 60. Analysis of polyphenols was performed by HPLC-ESI-MS. Di-, tri-, and tetrahexosides of quercetin, kaempferol, and isorhamnetin, as well as C-hexosides like isoorientin and vitexin, were tentatively identified. Polyphenols strongly inhibited the proliferation of Caco-2 cells, which is consistent with model studies in which several of the polyphenols identified in saffron leaves have demonstrated their potential as chemopreventive agents in cancer. Due to the low profitability that saffron leaf currently represents, we consider these results very encouraging and that this by-product deserves further investigation as a potential source of active molecules against colorectal cancer. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=saffron%20leaves" title="saffron leaves">saffron leaves</a>, <a href="https://publications.waset.org/abstracts/search?q=agricultural%20by-products" title=" agricultural by-products"> agricultural by-products</a>, <a href="https://publications.waset.org/abstracts/search?q=polyphenols" title=" polyphenols"> polyphenols</a>, <a href="https://publications.waset.org/abstracts/search?q=antiproliferative%20effect" title=" antiproliferative effect"> antiproliferative effect</a>, <a href="https://publications.waset.org/abstracts/search?q=human%20colon%20adenocarcinoma%20cells" title=" human colon adenocarcinoma cells"> human colon adenocarcinoma cells</a> </p> <a href="https://publications.waset.org/abstracts/141891/antiproliferative-effect-of-polyphenols-from-crocus-sativus-l-leaves-on-human-colon-adenocarcinoma-cells-caco-2" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/141891.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">22</span> Reframing the Teaching-Learning Framework in Health Sciences Education: Opportunities, Challenges and Prospects</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Raul%20G.%20Angeles">Raul G. Angeles</a>, <a href="https://publications.waset.org/abstracts/search?q=Rowena%20R.%20De%20Guzman"> Rowena R. De Guzman</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The future workforce for health in a globalized context highlights better health human resource planning. Health sciences students are challenged to develop skills needed for global migration. Advancing health sciences education is crucial in preparing them to overcome border challenges. The purpose of this mixed-method, two-part study was to determine the extent by which the current instructional planning and implementation (IPI) framework is reframed with teaching approaches that foster students' 21st-century skills development and to examine participants’ over-all insights on learner-centered teaching and learning (LCTL) particularly in health sciences classrooms. Participants were groups of teachers and students drawn from a national sample through the Philippine higher education institutions (HEIs). To the participants, the use of technology, practices driven by students’ interests and enriching learning experiences through project-based learning are the approaches that must be incorporated with great extent in IPI to encourage student engagement, active learning and collaboration. Participants were asked to detail their insights of learner-centered teaching and learning and using thematic content analysis parallel insights between the groups of participants lead to three emerging themes: opportunities, challenges and prospects. More contemporary understanding of LTCL in today’s health sciences classrooms were demonstrated by the participants. Armed with true understanding, educational leaders can provide interventions appropriate to the students’ level of need, teachers’ preparation and school’s readiness in terms of resources. Health sciences classrooms are innovated to meet the needs of the current and future students. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=globalization" title="globalization">globalization</a>, <a href="https://publications.waset.org/abstracts/search?q=health%20workforce" title=" health workforce"> health workforce</a>, <a href="https://publications.waset.org/abstracts/search?q=role%20of%20education" title=" role of education"> role of education</a>, <a href="https://publications.waset.org/abstracts/search?q=student-centered%20teaching%20and%20learning" title=" student-centered teaching and learning"> student-centered teaching and learning</a>, <a href="https://publications.waset.org/abstracts/search?q=technology%20in%20education" title=" technology in education"> technology in education</a> </p> <a href="https://publications.waset.org/abstracts/49964/reframing-the-teaching-learning-framework-in-health-sciences-education-opportunities-challenges-and-prospects" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/49964.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">21</span> Comfort in Green: Thermal Performance and Comfort Analysis of Sky Garden, SM City, North EDSA, Philippines</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Raul%20Chavez%20Jr.">Raul Chavez Jr.</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Green roof's body of knowledge appears to be in its infancy stage in the Philippines. To contribute to its development, this study intends to answer the question: Does the existing green roof in Metro Manila perform well in providing thermal comfort and satisfaction to users? Relatively, this study focuses on thermal sensation and satisfaction of users, surface temperature comparison, weather data comparison of the site (Sky Garden) and local weather station (PAG-ASA), and its thermal resistance capacity. Initially, the researcher conducted a point-in-time survey in parallel with weather data gathering from PAG-ASA and Sky Garden. In line with these, ambient and surface temperature are conducted through the use of a digital anemometer, with humidity and temperature, and non-contact infrared thermometer respectively. Furthermore, to determine the Sky Garden's overall thermal resistance, materials found on site were identified and tabulated based on specified locations. It revealed that the Sky Garden can be considered comfortable based from PMV-PPD Model of ASHRAE Standard 55 having similar results from thermal comfort and thermal satisfaction survey, which is contrary to the actual condition of the Sky Garden by means of a psychrometric chart which falls beyond the contextualized comfort zone. In addition, ground floor benefited the most in terms of lower average ambient temperature and humidity compared to the Sky Garden. Lastly, surface temperature data indicates that the green roof portion obtained the highest average temperature yet performed well in terms of heat resistance compared to other locations. These results provided the researcher valuable baseline information of the actual performance of a certain green roof in Metro Manila that could be vital in locally enhancing the system even further and for future studies. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Green%20Roof" title="Green Roof">Green Roof</a>, <a href="https://publications.waset.org/abstracts/search?q=Thermal%20Analysis" title=" Thermal Analysis"> Thermal Analysis</a>, <a href="https://publications.waset.org/abstracts/search?q=Thermal%20Comfort" title=" Thermal Comfort"> Thermal Comfort</a>, <a href="https://publications.waset.org/abstracts/search?q=Thermal%20Performance" title=" Thermal Performance"> Thermal Performance</a> </p> <a href="https://publications.waset.org/abstracts/116271/comfort-in-green-thermal-performance-and-comfort-analysis-of-sky-garden-sm-city-north-edsa-philippines" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/116271.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">167</span> </span> </div> </div> <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=Ra%C3%BAl%20Pereda&page=2">2</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=Ra%C3%BAl%20Pereda&page=2" rel="next">&rsaquo;</a></li> </ul> </div> </main> <footer> <div id="infolinks" class="pt-3 pb-2"> <div class="container"> <div style="background-color:#f5f5f5;" class="p-3"> <div class="row"> <div class="col-md-2"> <ul class="list-unstyled"> About <li><a href="https://waset.org/page/support">About Us</a></li> <li><a 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