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Aitheda</title> <meta name="description" content="Search results for: Abdellatif Aitheda"> <meta name="keywords" content="Abdellatif Aitheda"> <meta name="viewport" content="width=device-width, initial-scale=1, minimum-scale=1, maximum-scale=1, user-scalable=no"> <meta charset="utf-8"> <link href="https://cdn.waset.org/favicon.ico" type="image/x-icon" rel="shortcut icon"> <link href="https://cdn.waset.org/static/plugins/bootstrap-4.2.1/css/bootstrap.min.css" rel="stylesheet"> <link href="https://cdn.waset.org/static/plugins/fontawesome/css/all.min.css" rel="stylesheet"> <link href="https://cdn.waset.org/static/css/site.css?v=150220211555" rel="stylesheet"> </head> <body> <header> <div class="container"> <nav class="navbar navbar-expand-lg navbar-light"> <a class="navbar-brand" href="https://waset.org"> <img src="https://cdn.waset.org/static/images/wasetc.png" alt="Open Science Research Excellence" title="Open Science Research Excellence" /> </a> <button class="d-block d-lg-none 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action="https://publications.waset.org/abstracts/search"> <div id="custom-search-input"> <div class="input-group"> <i class="fas fa-search"></i> <input type="text" class="search-query" name="q" placeholder="Author, Title, Abstract, Keywords" value="Abdellatif Aitheda"> <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> 34</div> </div> </div> </div> <h1 class="mt-3 mb-3 text-center" style="font-size:1.6rem;">Search results for: Abdellatif Aitheda</h1> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">34</span> Consumer Based Online Authenticity: An Exploratory Approach: Case of Terroir Product of Souss Massa Region, Morocco</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Fatima%20Ezzahra%20Ouboutaib">Fatima Ezzahra Ouboutaib</a>, <a href="https://publications.waset.org/abstracts/search?q=Abdellatif%20Aitheda"> Abdellatif Aitheda</a>, <a href="https://publications.waset.org/abstracts/search?q=Soumiya%20Mekkaoui"> Soumiya Mekkaoui</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Marketing research is starting to focus on authenticity to position an offer, especially local products. However, its use remains more problematic with the internet for cooperatives. This paper investigates how digitalization impacts the satisfaction of the quest for authenticity. On the theoretical level, it explains authenticity in online and offline contexts in the postmodernism era. Then, an exploratory qualitative study tries to understand the contribution of digitization to the satisfaction of the search for authenticity. Therefore, cooperatives selling terroir products on the Internet are advised to keep also direct contact which tends to show a traditional manner of production to enhance customers’ perception of terroir product authenticity. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=authenticity" title="authenticity">authenticity</a>, <a href="https://publications.waset.org/abstracts/search?q=terroir%20product" title=" terroir product"> terroir product</a>, <a href="https://publications.waset.org/abstracts/search?q=online%20authenticity" title=" online authenticity"> online authenticity</a>, <a href="https://publications.waset.org/abstracts/search?q=postmodernism" title=" postmodernism"> postmodernism</a> </p> <a href="https://publications.waset.org/abstracts/136194/consumer-based-online-authenticity-an-exploratory-approach-case-of-terroir-product-of-souss-massa-region-morocco" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/136194.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">141</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> Medical Images Enhancement Using New Dynamic Band Pass Filter</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Abdellatif%20Baba">Abdellatif Baba</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In order to facilitate medical images analysis by improving their quality and readability, we present in this paper a new dynamic band pass filter as a general and suitable operator for different types of medical images. Our objective is to enrich the details of any treated medical image to make it sufficiently clear enough to give an understood and simplified meaning even for unspecialized people in the medical domain. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=medical%20image%20enhancement" title="medical image enhancement">medical image enhancement</a>, <a href="https://publications.waset.org/abstracts/search?q=dynamic%20band%20pass%20filter" title=" dynamic band pass filter"> dynamic band pass filter</a>, <a href="https://publications.waset.org/abstracts/search?q=analysis%20improvement" title=" analysis improvement"> analysis improvement</a> </p> <a href="https://publications.waset.org/abstracts/14660/medical-images-enhancement-using-new-dynamic-band-pass-filter" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/14660.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">289</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> Used MATLAB Code to Study the Vehicle Bridge Coupling Vibration Based On the Method of Newmark-β</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Saidi%20Abdelkrim">Saidi Abdelkrim</a>, <a href="https://publications.waset.org/abstracts/search?q=Hamouine%20Abdelmadjid"> Hamouine Abdelmadjid</a>, <a href="https://publications.waset.org/abstracts/search?q=Abdellatif%20Megnounif"> Abdellatif Megnounif</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The study of interaction between vehicles and bridge structures has become extremely important. Large deflections and vibration induced by heavy and high-speed vehicles affect significantly the safety and efficiency of bridge. The vibration of a bridge caused by passage of vehicles is one of the most imperative considerations in the design of a bridge as a common sort of transportation structure. A major goal of this study is to create a simplified model of a vehicle bridge system in MATLAB. The model will then be used to study the influence of parameters to vehicle-bridge vibrations. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=vehicle-bridge%20interaction" title="vehicle-bridge interaction">vehicle-bridge interaction</a>, <a href="https://publications.waset.org/abstracts/search?q=Newmark-%CE%B2" title=" Newmark-β"> Newmark-β</a>, <a href="https://publications.waset.org/abstracts/search?q=MATLAB%20code" title=" MATLAB code"> MATLAB code</a> </p> <a href="https://publications.waset.org/abstracts/29646/used-matlab-code-to-study-the-vehicle-bridge-coupling-vibration-based-on-the-method-of-newmark-v" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/29646.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">616</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> Terroir Products at the Service Territorial Marketing: Case of the Promotion of Souss Massa Region Using Argan Oil</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Assia%20Sadki">Assia Sadki</a>, <a href="https://publications.waset.org/abstracts/search?q=Soumiya%20Mekkaoui"> Soumiya Mekkaoui</a>, <a href="https://publications.waset.org/abstracts/search?q=Abdellatif%20Ait%20Heda"> Abdellatif Ait Heda</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Territorial marketing is a crucial element in the improvement of the attractiveness and competitiveness of a region, city or country. It is important to identify the different tools that distinguish the area from the other places and use them in order to achieve territorial marketing objectives. This paper tries to present the assets of Argan oil, the endemic terroir product, in the development of the tourism sector in Souss Massa. Starting from the Argan tree forests to the final use of the oil, every stage of the process can be developed as a tourism product in order to make the region more appealing to tourists. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=territorial%20marketing" title="territorial marketing">territorial marketing</a>, <a href="https://publications.waset.org/abstracts/search?q=terroir%20product" title=" terroir product"> terroir product</a>, <a href="https://publications.waset.org/abstracts/search?q=rural%20tourism" title=" rural tourism"> rural tourism</a>, <a href="https://publications.waset.org/abstracts/search?q=ecotourism" title=" ecotourism"> ecotourism</a>, <a href="https://publications.waset.org/abstracts/search?q=Argan%20oil" title=" Argan oil"> Argan oil</a> </p> <a href="https://publications.waset.org/abstracts/165303/terroir-products-at-the-service-territorial-marketing-case-of-the-promotion-of-souss-massa-region-using-argan-oil" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/165303.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">95</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> Cloud Effect on Power Generation of Grid-Connected Small PV Systems</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Yehya%20Abdellatif">Yehya Abdellatif</a>, <a href="https://publications.waset.org/abstracts/search?q=Ahmed%20Alsalaymeh"> Ahmed Alsalaymeh</a>, <a href="https://publications.waset.org/abstracts/search?q=Iyad%20Muslih"> Iyad Muslih</a>, <a href="https://publications.waset.org/abstracts/search?q=Ali%20Alshduifat"> Ali Alshduifat </a> </p> <p class="card-text"><strong>Abstract:</strong></p> Photovoltaic (PV) power generation systems, mainly small scale, are rapidly being deployed in Jordan. The impact of these systems on the grid has not been studied or analyzed. These systems can cause many technical problems such as reverse power flows and voltage rises in distribution feeders, and real and reactive power transients that affect the operation of the transmission system. To fully understand and address these problems, extensive research, simulation, and case studies are required. To this end, this paper studies the cloud shadow effect on the power generation of a ground mounted PV system installed at the test field of the Renewable Energy Center at the Applied Science University. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=photovoltaic" title="photovoltaic">photovoltaic</a>, <a href="https://publications.waset.org/abstracts/search?q=cloud%20effect" title=" cloud effect"> cloud effect</a>, <a href="https://publications.waset.org/abstracts/search?q=MPPT" title=" MPPT"> MPPT</a>, <a href="https://publications.waset.org/abstracts/search?q=power%20transients" title=" power transients"> power transients</a> </p> <a href="https://publications.waset.org/abstracts/37102/cloud-effect-on-power-generation-of-grid-connected-small-pv-systems" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/37102.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">599</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> Shade Effect on Photovoltaic Systems: A Comparison between String and Module-Based Solution</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Iyad%20M.%20Muslih">Iyad M. Muslih</a>, <a href="https://publications.waset.org/abstracts/search?q=Yehya%20Abdellatif"> Yehya Abdellatif </a> </p> <p class="card-text"><strong>Abstract:</strong></p> In general, shading will reduce the electrical power produced from PV modules and arrays in locations where shading is unavoidable or caused by dynamic moving parts. This reduction is based on the shade effect on the I-V curve of the PV module or array and how the DC/AC inverter can search and control the optimum value of power from this module or array configuration. This is a very complicated task due to different patterns of shaded PV modules and arrays. One solution presented by the inverter industry is to perform the maximum power point tracking (MPPT) at the module level rather than the series string level. This solution is supposed to reduce the shade effect on the total harvested energy. However, this isn’t necessarily the best solution to reduce the shade effect as will be shown in this study. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=photovoltaic" title="photovoltaic">photovoltaic</a>, <a href="https://publications.waset.org/abstracts/search?q=shade%20effect" title=" shade effect"> shade effect</a>, <a href="https://publications.waset.org/abstracts/search?q=I-V%20curve" title=" I-V curve"> I-V curve</a>, <a href="https://publications.waset.org/abstracts/search?q=MPPT" title=" MPPT"> MPPT</a> </p> <a href="https://publications.waset.org/abstracts/37105/shade-effect-on-photovoltaic-systems-a-comparison-between-string-and-module-based-solution" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/37105.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">28</span> Recent Development of Materials for Proton Exchange Membrane Fuel Cell (PEMFC)</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mohammed%20Jourdani">Mohammed Jourdani</a>, <a href="https://publications.waset.org/abstracts/search?q=Hamid%20Mounir"> Hamid Mounir</a>, <a href="https://publications.waset.org/abstracts/search?q=Abdellatif%20El%20Marjani"> Abdellatif El Marjani</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Proton exchange membrane fuel cells (PEMFCs) have been developed as a promising power source for transportation and stationary applications, and power devices for computers and mobile telephones. This paper discusses and summarizes the latest developments of materials and remaining challenges of PEMFC. The different contributions to the material of all components and the efficiencies are analyzed. Many technical advances are introduced to increase the PEMFC fuel cell efficiency and life time for transportation, stationary and portable utilization. By the last years the total cost of this system is decreasing. However, the remaining challenges that need to be overcome mean that it will be several years before full commercialization can take place. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=PEMFC%20fuel%20cell" title="PEMFC fuel cell">PEMFC fuel cell</a>, <a href="https://publications.waset.org/abstracts/search?q=materials" title=" materials"> materials</a>, <a href="https://publications.waset.org/abstracts/search?q=recent%20development" title=" recent development"> recent development</a>, <a href="https://publications.waset.org/abstracts/search?q=efficiency" title=" efficiency"> efficiency</a>, <a href="https://publications.waset.org/abstracts/search?q=life%20time" title=" life time"> life time</a>, <a href="https://publications.waset.org/abstracts/search?q=commercialization%20possibility" title=" commercialization possibility"> commercialization possibility</a> </p> <a href="https://publications.waset.org/abstracts/48672/recent-development-of-materials-for-proton-exchange-membrane-fuel-cell-pemfc" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/48672.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">311</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> Analysis and Treatment of Sewage Treatment Plant Wastewater of El-Karma, Oran</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Larbi%20Hammadi">Larbi Hammadi</a>, <a href="https://publications.waset.org/abstracts/search?q=Abdellatif%20El%20Bari%20Tidjani"> Abdellatif El Bari Tidjani</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In order to reduce the flow of pollutants in the wastewater of the urban agglomerations of the city of Oran, a preliminary study was carried out at the El-Karma wastewater treatment plant. The primary objective of this study was to estimate the overall physicochemical pollution in the effluents of the El-Karma sewage treatment plant wastewater. It was found that the effluent of El-Karma wastewater treatment plant contains a significant amount of insoluble. Total suspended soli TSS concentrations ranged from 112 to 475 mg/l, with an average of 220.5 mg/l. The chemical oxygen demand (COD) and biochemical oxygen demand (BOD₅) values remain within the reference range for domestic wastewater with an average value of COD < 125 and BOD₅ < 25. The COD/BOD₅ ratio of raw water entering the treatment plant is less than 2. This ratio would predict that the raw sewage from the El-Karma treatment plant is polluted by inorganic pollution strong enough. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=El-Karma%20wastewater" title="El-Karma wastewater">El-Karma wastewater</a>, <a href="https://publications.waset.org/abstracts/search?q=TSS%20concentrations" title=" TSS concentrations"> TSS concentrations</a>, <a href="https://publications.waset.org/abstracts/search?q=COD%20and%20BOD5" title=" COD and BOD5"> COD and BOD5</a>, <a href="https://publications.waset.org/abstracts/search?q=COD%2FBOD5%20ratio" title=" COD/BOD5 ratio"> COD/BOD5 ratio</a>, <a href="https://publications.waset.org/abstracts/search?q=treatment" title=" treatment"> treatment</a> </p> <a href="https://publications.waset.org/abstracts/87940/analysis-and-treatment-of-sewage-treatment-plant-wastewater-of-el-karma-oran" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/87940.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">268</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> Power Control of DFIG in WECS Using Backstipping and Sliding Mode Controller</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Abdellah%20Boualouch">Abdellah Boualouch</a>, <a href="https://publications.waset.org/abstracts/search?q=Ahmed%20Essadki"> Ahmed Essadki</a>, <a href="https://publications.waset.org/abstracts/search?q=Tamou%20Nasser"> Tamou Nasser</a>, <a href="https://publications.waset.org/abstracts/search?q=Ali%20Boukhriss"> Ali Boukhriss</a>, <a href="https://publications.waset.org/abstracts/search?q=Abdellatif%20Frigui"> Abdellatif Frigui</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper presents a power control for a Doubly Fed Induction Generator (DFIG) using in Wind Energy Conversion System (WECS) connected to the grid. The proposed control strategy employs two nonlinear controllers, Backstipping (BSC) and sliding-mode controller (SMC) scheme to directly calculate the required rotor control voltage so as to eliminate the instantaneous errors of active and reactive powers. In this paper the advantages of BSC and SMC are presented, the performance and robustness of this two controller’s strategy are compared between them. First, we present a model of wind turbine and DFIG machine, then a synthesis of the controllers and their application in the DFIG power control. Simulation results on a 1.5MW grid-connected DFIG system are provided by MATLAB/Simulink. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=backstipping" title="backstipping">backstipping</a>, <a href="https://publications.waset.org/abstracts/search?q=DFIG" title=" DFIG"> DFIG</a>, <a href="https://publications.waset.org/abstracts/search?q=power%20control" title=" power control"> power control</a>, <a href="https://publications.waset.org/abstracts/search?q=sliding-mode" title=" sliding-mode"> sliding-mode</a>, <a href="https://publications.waset.org/abstracts/search?q=WESC" title=" WESC"> WESC</a> </p> <a href="https://publications.waset.org/abstracts/29449/power-control-of-dfig-in-wecs-using-backstipping-and-sliding-mode-controller" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/29449.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">594</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> A Double Acceptance Sampling Plan for Truncated Life Test Having Exponentiated Transmuted Weibull Distribution</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=A.%20D.%20Abdellatif">A. D. Abdellatif</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20N.%20Ahmed"> A. N. Ahmed</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20E.%20Abdelaziz"> M. E. Abdelaziz</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The main purpose of this paper is to design a double acceptance sampling plan under the time truncated life test when the product lifetime follows an exponentiated transmuted Weibull distribution. Here, the motive is to meet both the consumer’s risk and producer’s risk simultaneously at the specified quality levels, while the termination time is specified. A comparison between the results of the double and single acceptance sampling plans is conducted. We demonstrate the applicability of our results to real data sets. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=double%20sampling%20plan" title="double sampling plan">double sampling plan</a>, <a href="https://publications.waset.org/abstracts/search?q=single%20sampling%20plan" title=" single sampling plan"> single sampling plan</a>, <a href="https://publications.waset.org/abstracts/search?q=producer%E2%80%99s%20risk" title=" producer’s risk"> producer’s risk</a>, <a href="https://publications.waset.org/abstracts/search?q=consumer%E2%80%99s%20risk" title=" consumer’s risk"> consumer’s risk</a>, <a href="https://publications.waset.org/abstracts/search?q=exponentiated%20transmuted%20weibull%20distribution" title=" exponentiated transmuted weibull distribution"> exponentiated transmuted weibull distribution</a>, <a href="https://publications.waset.org/abstracts/search?q=time%20truncated%20experiment" title=" time truncated experiment"> time truncated experiment</a>, <a href="https://publications.waset.org/abstracts/search?q=single" title=" single"> single</a>, <a href="https://publications.waset.org/abstracts/search?q=double" title=" double"> double</a>, <a href="https://publications.waset.org/abstracts/search?q=Marshal-Olkin" title=" Marshal-Olkin"> Marshal-Olkin</a> </p> <a href="https://publications.waset.org/abstracts/31946/a-double-acceptance-sampling-plan-for-truncated-life-test-having-exponentiated-transmuted-weibull-distribution" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/31946.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">487</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">24</span> Investigation of the Effect of Grid Size on External Store Separation Trajectory Using CFD</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Alaa%20A.%20Osman">Alaa A. Osman</a>, <a href="https://publications.waset.org/abstracts/search?q=Amgad%20M.%20Bayoumy%20Aly"> Amgad M. Bayoumy Aly</a>, <a href="https://publications.waset.org/abstracts/search?q=Ismail%20El%20baialy"> Ismail El baialy</a>, <a href="https://publications.waset.org/abstracts/search?q=Osama%20E.%20Abdellatif"> Osama E. Abdellatif</a>, <a href="https://publications.waset.org/abstracts/search?q=Essam%20E.%20Khallil"> Essam E. Khallil</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this paper, a numerical simulation of a finned store separating from a wing-pylon configuration has been studied and validated. A dynamic unstructured tetrahedral mesh approach is accomplished by using three grid sizes to numerically solving the discretized three dimensional, inviscid and compressible Navier-stokes equations. The method used for computations of separation of an external store assuming quasi-steady flow condition. Computations of quasi-steady flow have been directly coupled to a six degree-of-freedom (6DOF) rigid-body motion code to generate store trajectories. The pressure coefficients at four different angular cuts and time histories of various trajectory parameters during the store separation are compared for every grid size with published experimental data. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=CFD%20modelling" title="CFD modelling">CFD modelling</a>, <a href="https://publications.waset.org/abstracts/search?q=transonic%20store%20separation" title=" transonic store separation"> transonic store separation</a>, <a href="https://publications.waset.org/abstracts/search?q=quasi-steady%20flow" title=" quasi-steady flow"> quasi-steady flow</a>, <a href="https://publications.waset.org/abstracts/search?q=moving-body%20trajectories" title=" moving-body trajectories"> moving-body trajectories</a> </p> <a href="https://publications.waset.org/abstracts/20045/investigation-of-the-effect-of-grid-size-on-external-store-separation-trajectory-using-cfd" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/20045.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">390</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> Vénus Noire: A (Post)Colonial Gaze</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Hania%20Pasandi">Hania Pasandi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Over his first three films, Abdellatif Kechiche established himself as one of the most celebrated directors at work in twenty-first-century French cinema. While his first three movies, La Faute à Voltaire (2000), L’Esquive (2003), and La Graine et le mulet (2007) tell stories about individuals of the Maghrebi origin or descent struggling to find their place in the contemporary French Republic, his 2010’s movie, Vénus noire (2010) recounts the true story of the so-called ‘Hottentot Venus’, Saartjie Baartman, who became famous after her stage appearances in London and Paris in the early eighteenth century. The movie shows the complex ways in which gender and ethnicity can combine in exclusionary discourse. This paper studies gender and racial identities, the irony of science theorisation about ethnicities through the male colonial gaze on a heavily exhibited woman. This paper explores how Vénus Noire engages the spectator’s own corporeal awareness of violence and calls attention to the othering practices of (post)colonial times. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=gender" title="gender">gender</a>, <a href="https://publications.waset.org/abstracts/search?q=%28post%29colonial%20gaze" title=" (post)colonial gaze"> (post)colonial gaze</a>, <a href="https://publications.waset.org/abstracts/search?q=other" title=" other"> other</a>, <a href="https://publications.waset.org/abstracts/search?q=violence" title=" violence"> violence</a> </p> <a href="https://publications.waset.org/abstracts/129061/venus-noire-a-postcolonial-gaze" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/129061.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">139</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">22</span> Camel Thorn Has Hepatoprotective Activity Against Carbon Tetrachloride or Acetaminophen-Induced Hepatotoxicity but Enhances the Cardiac Toxicity of Adriamycin in Rodents</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Awad%20G.%20Abdellatif">Awad G. Abdellatif</a>, <a href="https://publications.waset.org/abstracts/search?q=Huda%20M.%20Gargoum"> Huda M. Gargoum</a>, <a href="https://publications.waset.org/abstracts/search?q=Abdelkader%20A.%20Debani"> Abdelkader A. Debani</a>, <a href="https://publications.waset.org/abstracts/search?q=Mudafara%20Bengleil"> Mudafara Bengleil</a>, <a href="https://publications.waset.org/abstracts/search?q=Salmin%20Alshalmani"> Salmin Alshalmani</a>, <a href="https://publications.waset.org/abstracts/search?q=N.%20El%20Zuki"> N. El Zuki</a>, <a href="https://publications.waset.org/abstracts/search?q=Omran%20El%20Fitouri"> Omran El Fitouri</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this study, the administration of 660 mg/kg of the ethanolic extract of the Alhgigraecorum (camel thorn) to mice, showed a significant decrease in the level of transaminases in animals treated with a combination of CTE plus carbon tetrachloride (CCl4) or acetaminophen as compared to animals receiving CCl4 or acetaminophen alone. The histopathological investigation also confirmed that camel thorn extract protects the liver against damage-induced either by carbon tetrachloride or acetaminophen. On the other hand, the cardiac toxicity produced by adriamycin was significantly increased in the presence of the ethanolic extract of camel thorn. Our study suggested that camel thorn can protect the liver against the injury produced by carbon tetrachloride or acetaminophen, with an unexpected increase in the cardiac toxicity–induced by adriamycin in rodents. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=ethanolic" title="ethanolic">ethanolic</a>, <a href="https://publications.waset.org/abstracts/search?q=alhgigraecorum" title=" alhgigraecorum"> alhgigraecorum</a>, <a href="https://publications.waset.org/abstracts/search?q=tetrachloride" title=" tetrachloride"> tetrachloride</a>, <a href="https://publications.waset.org/abstracts/search?q=acetaminophen" title=" acetaminophen"> acetaminophen</a> </p> <a href="https://publications.waset.org/abstracts/4025/camel-thorn-has-hepatoprotective-activity-against-carbon-tetrachloride-or-acetaminophen-induced-hepatotoxicity-but-enhances-the-cardiac-toxicity-of-adriamycin-in-rodents" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/4025.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">502</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">21</span> Optimization of Hybrid off Grid Energy Station</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Yehya%20Abdellatif">Yehya Abdellatif</a>, <a href="https://publications.waset.org/abstracts/search?q=Iyad%20M.%20Muslih"> Iyad M. Muslih</a>, <a href="https://publications.waset.org/abstracts/search?q=Azzah%20Alkhalailah"> Azzah Alkhalailah</a>, <a href="https://publications.waset.org/abstracts/search?q=Abdallah%20Muslih"> Abdallah Muslih</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Hybrid Optimization Model for Electric Renewable (HOMER) software was utilized to find the optimum design of a hybrid off-Grid system, by choosing the optimal solution depending on the cost analysis of energy based on different capacity shortage percentages. A complete study for the site conditions and load profile was done to optimize the design and implementation of a hybrid off-grid power station. In addition, the solution takes into consecration the ambient temperature effect on the efficiency of the power generation and the economical aspects of selection depending on real market price. From the analysis of the HOMER model results, the optimum hybrid power station was suggested, based on wind speed, and solar conditions. The optimization function objective is to minimize the Net Price Cost (NPC) and the Cost of Energy (COE) with zero and 10 percentage of capacity shortage. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=energy%20modeling" title="energy modeling">energy modeling</a>, <a href="https://publications.waset.org/abstracts/search?q=HOMER" title=" HOMER"> HOMER</a>, <a href="https://publications.waset.org/abstracts/search?q=off-grid%20system" title=" off-grid system"> off-grid system</a>, <a href="https://publications.waset.org/abstracts/search?q=optimization" title=" optimization"> optimization</a> </p> <a href="https://publications.waset.org/abstracts/32205/optimization-of-hybrid-off-grid-energy-station" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/32205.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">563</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">20</span> Smart Grids in Morocco: An Outline of the Recent Development, Key Drivers and Recommendations for Future Implementation</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mohamed%20Laamim">Mohamed Laamim</a>, <a href="https://publications.waset.org/abstracts/search?q=Aboubakr%20Benazzouz"> Aboubakr Benazzouz</a>, <a href="https://publications.waset.org/abstracts/search?q=Abdelilah%20Rochd"> Abdelilah Rochd</a>, <a href="https://publications.waset.org/abstracts/search?q=Abdellatif%20Ghennioui"> Abdellatif Ghennioui</a>, <a href="https://publications.waset.org/abstracts/search?q=Abderrahim%20El%20Fadili"> Abderrahim El Fadili</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Smart grids have recently sparked a lot of interest in the energy sector as they allow for the modernization and digitization of the existing power infrastructure. Smart grids have several advantages in terms of reducing the environmental impact of generating power from fossil fuels due to their capacity to integrate large amounts of distributed energy resources. On the other hand, smart grid technologies necessitate many field investigations and requirements. This paper focuses on the major difficulties that governments face around the world and compares them to the situation in Morocco. Also presented in this study are the current works and projects being developed to improve the penetration of smart grid technologies into the electrical system. Furthermore, the findings of this study will be useful to promote the smart grid revolution in Morocco, as well as to construct a strong foundation and develop future needs for better penetration of technologies that aid in the integration of smart grid features. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=smart%20grids" title="smart grids">smart grids</a>, <a href="https://publications.waset.org/abstracts/search?q=microgrids" title=" microgrids"> microgrids</a>, <a href="https://publications.waset.org/abstracts/search?q=virtual%20power%20plants" title=" virtual power plants"> virtual power plants</a>, <a href="https://publications.waset.org/abstracts/search?q=digital%20twin" title=" digital twin"> digital twin</a>, <a href="https://publications.waset.org/abstracts/search?q=distributed%20energy%20resources" title=" distributed energy resources"> distributed energy resources</a>, <a href="https://publications.waset.org/abstracts/search?q=vehicle-to-grid" title=" vehicle-to-grid"> vehicle-to-grid</a>, <a href="https://publications.waset.org/abstracts/search?q=advanced%20metering%20infrastructure" title=" advanced metering infrastructure"> advanced metering infrastructure</a> </p> <a href="https://publications.waset.org/abstracts/151602/smart-grids-in-morocco-an-outline-of-the-recent-development-key-drivers-and-recommendations-for-future-implementation" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/151602.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">154</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">19</span> Effectiveness of Crystallization Coating Materials on Chloride Ions Ingress in Concrete</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mona%20Elsalamawy">Mona Elsalamawy</a>, <a href="https://publications.waset.org/abstracts/search?q=Ashraf%20Ragab%20Mohamed"> Ashraf Ragab Mohamed</a>, <a href="https://publications.waset.org/abstracts/search?q=Abdellatif%20Elsayed%20Abosen"> Abdellatif Elsayed Abosen</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper aims to evaluate the effectiveness of different crystalline coating materials concerning of chloride ions penetration. The concrete ages at the coating installation and its moisture conditions were addressed; where, these two factors may play a dominant role for the effectiveness of the used materials. Rapid chloride ions penetration test (RCPT) was conducted at different ages and moisture conditions according to the relevant standard. In addition, the contaminated area and the penetration depth of the chloride ions were investigated immediately after the RCPT test using chemical identifier, 0.1 M silver nitrate AgNO<sub>3</sub> solution. Results have shown that, the very low chloride ions penetrability, for the studied crystallization materials, were investigated only with the old age concrete (G1). The significant reduction in chloride ions’ penetrability was illustrated after 7 days of installing the crystalline coating layers. Using imageJ is more reliable to describe the contaminated area of chloride ions, where the distribution of aggregate and heterogeneous of cement mortar was considered in the images analysis. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=chloride%20permeability" title="chloride permeability">chloride permeability</a>, <a href="https://publications.waset.org/abstracts/search?q=contaminated%20area" title=" contaminated area"> contaminated area</a>, <a href="https://publications.waset.org/abstracts/search?q=crystalline%20waterproofing%20materials" title=" crystalline waterproofing materials"> crystalline waterproofing materials</a>, <a href="https://publications.waset.org/abstracts/search?q=RCPT" title=" RCPT"> RCPT</a>, <a href="https://publications.waset.org/abstracts/search?q=XRD" title=" XRD"> XRD</a> </p> <a href="https://publications.waset.org/abstracts/79848/effectiveness-of-crystallization-coating-materials-on-chloride-ions-ingress-in-concrete" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/79848.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">250</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">18</span> The Role of Coaching in Fostering Entrepreneurial Intention among Graduate Students in Tunisia</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Abdellatif%20Amouri">Abdellatif Amouri</a>, <a href="https://publications.waset.org/abstracts/search?q=Sami%20Boudabbous"> Sami Boudabbous</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The current study provides insights on the importance of entrepreneurial coaching as a source of developing entrepreneurial intentions among entrepreneurs and a determinant factor of business creation process and growth. Coaching, which implies exchange of adequate information and a mutual understanding between entrepreneurs and their partners, requires a better mutual knowledge of the representations and the perceptions of ideas which are widely present in their dealings and transactions. Therefore, to analyze entrepreneurs’ perceptions of business creation, we addressed a survey questionnaire to a group of Tunisian entrepreneurs and experts in business creation to indicate their level of approval concerning the prominence of coaching. The factor analysis indicates that more than 60% of the respondents believe that each statement reflects an aspect of coaching, with no bias to its position in the entrepreneurial process. Therefore, the image drawn from our respondents’ perceptions is that an entrepreneur is rather "constructed" and "shaped" by multiple apprenticeships both before and during the entrepreneurial act, through an accompaniment process and within interactions with trainers, consultants or professionals in starting a business. Similarly, the results indicate that the poor support structures and lack of accompaniment procedures stand as an obstacle impeding the development of entrepreneurial intention among business creators. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Entrepreneurial%20Behavior" title="Entrepreneurial Behavior">Entrepreneurial Behavior</a>, <a href="https://publications.waset.org/abstracts/search?q=Entrepreneurial%20Coaching" title=" Entrepreneurial Coaching"> Entrepreneurial Coaching</a>, <a href="https://publications.waset.org/abstracts/search?q=Entrepreneurial%20Intention" title=" Entrepreneurial Intention"> Entrepreneurial Intention</a>, <a href="https://publications.waset.org/abstracts/search?q=Perceptions" title=" Perceptions"> Perceptions</a>, <a href="https://publications.waset.org/abstracts/search?q=Venture%20Creation" title=" Venture Creation "> Venture Creation </a> </p> <a href="https://publications.waset.org/abstracts/25390/the-role-of-coaching-in-fostering-entrepreneurial-intention-among-graduate-students-in-tunisia" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/25390.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">438</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">17</span> Utilization of an Object Oriented Tool to Perform Model-Based Safety Analysis According to Extended Failure System Models</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Royia%20Soliman">Royia Soliman</a>, <a href="https://publications.waset.org/abstracts/search?q=Salma%20ElAnsary"> Salma ElAnsary</a>, <a href="https://publications.waset.org/abstracts/search?q=Akram%20Amin%20Abdellatif"> Akram Amin Abdellatif</a>, <a href="https://publications.waset.org/abstracts/search?q=Florian%20Holzapfel"> Florian Holzapfel</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Model-Based Safety Analysis (MBSA) is an approach in which the system and safety engineers share a common system model created using a model-based development process. The model can also be extended by the failure modes of the system components. There are two famous approaches for the addition of fault behaviors to system models. The first one is to enclose the failure into the system design directly. The second approach is to develop a fault model separately from the system model, thus combining both independent models for safety analysis. This paper introduces a hybrid approach of MBSA. The approach tries to use informal abstracted models to investigate failure behaviors. The approach will combine various concepts such as directed graph traversal, event lists and Constraint Satisfaction Problems (CSP). The approach is implemented using an Object Oriented programming language. The components are abstracted to its failure logic and relationships of connected components. The implemented approach is tested on various flight control systems, including electrical and multi-domain examples. The various tests are analyzed, and a comparison to different approaches is represented. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=flight%20control%20systems" title="flight control systems">flight control systems</a>, <a href="https://publications.waset.org/abstracts/search?q=model%20based%20safety%20analysis" title=" model based safety analysis"> model based safety analysis</a>, <a href="https://publications.waset.org/abstracts/search?q=safety%20assessment%20analysis" title=" safety assessment analysis"> safety assessment analysis</a>, <a href="https://publications.waset.org/abstracts/search?q=system%20modelling" title=" system modelling"> system modelling</a> </p> <a href="https://publications.waset.org/abstracts/99025/utilization-of-an-object-oriented-tool-to-perform-model-based-safety-analysis-according-to-extended-failure-system-models" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/99025.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">164</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">16</span> The Correlation between Territory Planning and Logistics Development: Methodological Approach</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ebtissem%20Sassi">Ebtissem Sassi</a>, <a href="https://publications.waset.org/abstracts/search?q=Abdellatif%20Benabdelhafid"> Abdellatif Benabdelhafid</a>, <a href="https://publications.waset.org/abstracts/search?q=Sami%20Hammami"> Sami Hammami</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Congestion, pollution and space misuse are the major risks in the hinterland. Management of these risks is a major issue for all the actors intervening in territory management. A good mastery of these risks is based on the consideration of environmental and physical constraints since the implementation of a policy integrates simultaneously an efficient use, territorial resources, and financial resources which become increasingly rare. Yet, this balance can be difficult to establish simultaneously by all the actors. Indeed, every actor has often the tendency to favor these objectives in detriment to others. In this framework, we have fixed the objective of designing and achieving a model which will centralize multidisciplinary data and serve the analysis tool as well as a decision support tool. In this article, we will elaborate some methodological axes allowing the good management of the territory system through (i) determination of the structural factors of the decision support system, (ii) integration of methods tools favoring the territorial decisional process. Logistics territory geographic information system is a model dealing with this issue. The objective of this model is to facilitate the exchanges between the actors around a common question which was the research subject of human sciences researchers (geography, economy), nature sciences (ecology) as well as finding an optimal solution for simultaneous responses to all these objectives. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=complexity" title="complexity">complexity</a>, <a href="https://publications.waset.org/abstracts/search?q=territory" title=" territory"> territory</a>, <a href="https://publications.waset.org/abstracts/search?q=logistics" title=" logistics"> logistics</a>, <a href="https://publications.waset.org/abstracts/search?q=territory%20planning" title=" territory planning"> territory planning</a>, <a href="https://publications.waset.org/abstracts/search?q=conceptual%20model" title=" conceptual model"> conceptual model</a>, <a href="https://publications.waset.org/abstracts/search?q=GIS" title=" GIS"> GIS</a>, <a href="https://publications.waset.org/abstracts/search?q=MCA" title=" MCA"> MCA</a> </p> <a href="https://publications.waset.org/abstracts/106787/the-correlation-between-territory-planning-and-logistics-development-methodological-approach" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/106787.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">136</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">15</span> Evaluation of PV Orientation Effect on Mismatch between Consumption Load and PV Power Profiles</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Iyad%20M.%20Muslih">Iyad M. Muslih</a>, <a href="https://publications.waset.org/abstracts/search?q=Yehya%20Abdellatif"> Yehya Abdellatif</a>, <a href="https://publications.waset.org/abstracts/search?q=Sara%20Qutishat"> Sara Qutishat </a> </p> <p class="card-text"><strong>Abstract:</strong></p> Renewable energy and in particular solar photovoltaic energy is emerging as a reasonable power generation source. The intermittent and unpredictable nature of solar energy can represent a serious challenge to the utility grids, specifically at relatively high penetration. To minimize the impact of PV power systems on the grid, self-consumption is encouraged. Self-consumption can be improved by matching the PV power generation with the electrical load consumption profile. This study will focus in studying different load profiles and comparing them to typical solar PV power generation at the selected sites with the purpose of analyzing the mismatch in consumption load profile for different users; residential, commercial, and industrial versus the solar photovoltaic output generation. The PV array orientation can be adjusted to reduce the mismatch effects. The orientation shift produces a corresponding shift in the energy production curve. This shift has a little effect on the mismatch for residential loads due to the fact the peak load occurs at night due to lighting loads. This minor gain does not justify the power production loss associated with the orientation shift. The orientation shift for both commercial and industrial cases lead to valuable decrease in the mismatch effects. Such a design is worth considering for reducing grid penetration. Furthermore, the proposed orientation shift yielded better results during the summer time due to the extended daylight hours. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=grid%20impact" title="grid impact">grid impact</a>, <a href="https://publications.waset.org/abstracts/search?q=HOMER" title=" HOMER"> HOMER</a>, <a href="https://publications.waset.org/abstracts/search?q=power%20mismatch" title=" power mismatch"> power mismatch</a>, <a href="https://publications.waset.org/abstracts/search?q=solar%20PV%20energy" title=" solar PV energy"> solar PV energy</a> </p> <a href="https://publications.waset.org/abstracts/32203/evaluation-of-pv-orientation-effect-on-mismatch-between-consumption-load-and-pv-power-profiles" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/32203.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">604</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">14</span> Efficient Production of Cell-Adhesive Motif From Human Fibronectin Domains to Design a Bio-Functionalized Scaffold for Tissue Engineering</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Amina%20Ben%20Abla">Amina Ben Abla</a>, <a href="https://publications.waset.org/abstracts/search?q=Sylvie%20Changotade"> Sylvie Changotade</a>, <a href="https://publications.waset.org/abstracts/search?q=Geraldine%20Rohman"> Geraldine Rohman</a>, <a href="https://publications.waset.org/abstracts/search?q=Guilhem%20Boeuf"> Guilhem Boeuf</a>, <a href="https://publications.waset.org/abstracts/search?q=Cyrine%20Dridi"> Cyrine Dridi</a>, <a href="https://publications.waset.org/abstracts/search?q=Ahmed%20Elmarjou"> Ahmed Elmarjou</a>, <a href="https://publications.waset.org/abstracts/search?q=Florence%20Dufour"> Florence Dufour</a>, <a href="https://publications.waset.org/abstracts/search?q=Didier%20Lutomski"> Didier Lutomski</a>, <a href="https://publications.waset.org/abstracts/search?q=Abdellatif%20Elm%E2%80%99semi"> Abdellatif Elm’semi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Understanding cell adhesion and interaction with the extracellular matrix is essential for biomedical and biotechnological applications, including the development of biomaterials. In recent years, numerous biomaterials have emerged and were used in the field of tissue engineering. Nevertheless, the lack of interaction of biomaterials with cells still limits their bio-integration. Thus, the design of bioactive biomaterials to improve cell attachment and proliferation is of growing interest. In this study, bio-functionalized material was developed combining a synthetic polymer scaffold surface with selected domains of type III human fibronectin (FNIII-DOM) to promote cell adhesion and proliferation. Bioadhesive ligand includes cell-binding domains of human fibronectin, a major ECM protein that interacts with a variety of integrins cell-surface receptors, and ECM proteins through specific binding domains were engineered. FNIII-DOM was produced in bacterial system E. coli in 5L fermentor with a high yield level reaching 20mg/L. Bioactivity of the produced fragment was validated by studying cellular adhesion of human cells. The adsorption and immobilization of FNIII-DOM onto the polymer scaffold were evaluated in order to develop an innovative biomaterial. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=biomaterials" title="biomaterials">biomaterials</a>, <a href="https://publications.waset.org/abstracts/search?q=cellular%20adhesion" title=" cellular adhesion"> cellular adhesion</a>, <a href="https://publications.waset.org/abstracts/search?q=fibronectin" title=" fibronectin"> fibronectin</a>, <a href="https://publications.waset.org/abstracts/search?q=tissue%20engineering" title=" tissue engineering"> tissue engineering</a> </p> <a href="https://publications.waset.org/abstracts/122734/efficient-production-of-cell-adhesive-motif-from-human-fibronectin-domains-to-design-a-bio-functionalized-scaffold-for-tissue-engineering" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/122734.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">152</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">13</span> Metabolome-based Profiling of African Baobab Fruit (Adansonia Digitata L.) Using a Multiplex Approach of MS and NMR Techniques in Relation to Its Biological Activity</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Marwa%20T.%20Badawy">Marwa T. Badawy</a>, <a href="https://publications.waset.org/abstracts/search?q=Alaa%20F.%20Bakr"> Alaa F. Bakr</a>, <a href="https://publications.waset.org/abstracts/search?q=Nesrine%20Hegazi"> Nesrine Hegazi</a>, <a href="https://publications.waset.org/abstracts/search?q=Mohamed%20A.%20Farag"> Mohamed A. Farag</a>, <a href="https://publications.waset.org/abstracts/search?q=Ahmed%20Abdellatif"> Ahmed Abdellatif</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Diabetes Mellitus (DM) is a chronic disease affecting a large population worldwide. Africa is rich in native medicinal plants with myriad health benefits, though less explored towards the development of specific drug therapy as in diabetes. This study aims to determine the in vivo antidiabetic potential of the well-reported and traditionally used fruits of Baobab (Adansonia digitata L.) using STZ induced diabetic model. The in-vitro cytotoxic and antioxidant properties were examined using MTT assay on L-929 fibroblast cells and DPPH antioxidant assays, respectively. The extract showed minimal cytotoxicity with an IC50 value of 105.7 µg/mL. Histopathological and immunohistochemical investigations showed the hepatoprotective and the renoprotective effects of A. digitata fruits’ extract, implying its protective effects against diabetes complications. These findings were further supported by biochemical assays, which showed that i.p., injection of a low dose (150 mg/kg) of A. digitata twice a week lowered the fasting blood glucose levels, lipid profile, hepatic and renal markers. For a comprehensive overview of extract metabolites composition, ultrahigh performance (UHPLC) analysis coupled to high-resolution tandem mass spectrometry (HRMS/MS) in synchronization with molecular networks led to the annotation of 77 metabolites, among which 50% are reported for the first time in A. digitata fruits. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=adansonia%20digital" title="adansonia digital">adansonia digital</a>, <a href="https://publications.waset.org/abstracts/search?q=diabetes%20mellitus" title=" diabetes mellitus"> diabetes mellitus</a>, <a href="https://publications.waset.org/abstracts/search?q=metabolomics" title=" metabolomics"> metabolomics</a>, <a href="https://publications.waset.org/abstracts/search?q=streptozotocin" title=" streptozotocin"> streptozotocin</a>, <a href="https://publications.waset.org/abstracts/search?q=Sprague" title=" Sprague"> Sprague</a>, <a href="https://publications.waset.org/abstracts/search?q=dawley%20rats" title=" dawley rats"> dawley rats</a> </p> <a href="https://publications.waset.org/abstracts/143221/metabolome-based-profiling-of-african-baobab-fruit-adansonia-digitata-l-using-a-multiplex-approach-of-ms-and-nmr-techniques-in-relation-to-its-biological-activity" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/143221.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">164</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">12</span> Factors Associated with Mammography Screening Behaviors: A Cross-Sectional Descriptive Study of Egyptian Women </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Salwa%20Hagag%20Abdelaziz">Salwa Hagag Abdelaziz</a>, <a href="https://publications.waset.org/abstracts/search?q=Naglaa%20Fathy%20Youssef"> Naglaa Fathy Youssef</a>, <a href="https://publications.waset.org/abstracts/search?q=Nadia%20Abdellatif%20Hassan"> Nadia Abdellatif Hassan</a>, <a href="https://publications.waset.org/abstracts/search?q=Rasha%20Wesam%20Abdelrahman"> Rasha Wesam Abdelrahman</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Breast cancer is considered as a substantial health concern and practicing mammography screening [MS] is important in minimizing its related morbidity. So it is essential to have a better understanding of breast cancer screening behaviors of women and factors that influence utilization of them. The aim of this study is to identify the factors that are linked to MS behaviors among the Egyptian women. A cross-sectional descriptive design was carried out to provide a snapshot of the factors that are linked to MS behaviors. A convenience sample of 311 women was utilized and all eligible participants admitted to the Women Imaging Unit who are 40 years of age or above, coming for mammography assessment, not pregnant or breast feeding and who accepted to participate in the study were included. A structured questionnaire was developed by the researchers and contains three parts; Socio-demographic data; Motivating factors associated with MS; and association between MS and model of behavior change. The analyzed data indicated that most of the participated women (66.6 %) belonged to the age group of 40-49.A high proportion of participants (58.1%) of group having previous MS influenced by their neighbors to practice MS, whereas 32.7 % in group not having previous MS were influenced by family members which indicated significant differences (P <0.05). Doctors and media are shown to be the least influence of others to practice MS. Women with intention to have a future mammogram had higher OR (1.404) for practicing MS compared with women with no intention. Further studies are needed to examine the relation between Trans-theoretical Model [TTM] and practicing MS. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=breast%20cancer" title="breast cancer">breast cancer</a>, <a href="https://publications.waset.org/abstracts/search?q=mammography" title=" mammography"> mammography</a>, <a href="https://publications.waset.org/abstracts/search?q=screening%20behaviors" title=" screening behaviors"> screening behaviors</a>, <a href="https://publications.waset.org/abstracts/search?q=morbidity" title=" morbidity"> morbidity</a> </p> <a href="https://publications.waset.org/abstracts/28433/factors-associated-with-mammography-screening-behaviors-a-cross-sectional-descriptive-study-of-egyptian-women" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/28433.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">442</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">11</span> Analgesic and Anti-inflammatoryactivities of Camel Thorn in Experimental Animals</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Abdelkader%20H.%20El%20Debani">Abdelkader H. El Debani</a>, <a href="https://publications.waset.org/abstracts/search?q=Huda%20%20Gargoum"> Huda Gargoum</a>, <a href="https://publications.waset.org/abstracts/search?q=Awad%20G.%20Abdellatif"> Awad G. Abdellatif</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The aim of this study is to investigate analgesic and the anti-inflammatory effects Camel Thorn Extract (CTE) in rodents. Male albino mice weighing 20-25 gm. were divided into different groups each of 8 mice. The control was given normal saline i. p., the first group was given normal saline i. p. the 2nd, 3rd, 4th, groups received different doses of CTE (330, 660, and 1300 mg/kg) respectively and the 6th group received 5mg/kg of morphine i. p. All groups (except the control group) were given acetic acid 40 min after receiving the different treatment. The number of writhes was recorded 5 min after acetic acid injection for 15 min and the % of inhibition of writhing were calculated. Different groups of rats weighing 180- 220 gm., were divided into three groups each of 5 rats. At the beginning, the volumes of the right and left paw in animals were measured by using of the plethysmometer. The 1st group was given 660 mg /kg i. p. of CTE, the 2nd group received indomethacin (5 mg/kg i. p.). One hour later, edema was induced by sub planter injection of 0.1 ml of 1 % freshly prepared suspension of carrageenan into the right hind paws of the rats. The volume of the injected paws and contra-lateral paws were measured at 0, 0.5, 1, 2, 3, 4, and 5 hours using plethysmometer. The volume of the left paw of the rat was subtracted from the volume of the right paw of the same animal. Our results showed that 330,660 and 1300 mg/kg produced 14, 49 and 84%of inhibition of writhes, indicating that CTE has a strong analgesic activity. Our data also showed that the % of inhibition of edema at 30, 60, 120, 180, and 240 min was 14,51,71,61, and 56% in the animals given camel thorn extract whereas these figures in animals given endomethacin were 14, 24, 54, 52, and 54%. These results indicate that camel thorn has anti-inflammatory activities. The mechanism of analgesic and anti-inflammatory activities needs further investigations. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=camel%20thorn" title="camel thorn">camel thorn</a>, <a href="https://publications.waset.org/abstracts/search?q=imdomethacin" title=" imdomethacin"> imdomethacin</a>, <a href="https://publications.waset.org/abstracts/search?q=morphine" title=" morphine"> morphine</a>, <a href="https://publications.waset.org/abstracts/search?q=pharmaceutical%20medicine" title=" pharmaceutical medicine"> pharmaceutical medicine</a> </p> <a href="https://publications.waset.org/abstracts/4415/analgesic-and-anti-inflammatoryactivities-of-camel-thorn-in-experimental-animals" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/4415.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">243</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">10</span> Climate Change Effects on Agriculture</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Abdellatif%20Chebboub">Abdellatif Chebboub</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Agricultural production is sensitive to weather and thus directly affected by climate change. Plausible estimates of these climate change impacts require combined use of climate, crop, and economic models. Results from previous studies vary substantially due to differences in models, scenarios, and data. This paper is part of a collective effort to systematically integrate these three types of models. We focus on the economic component of the assessment, investigating how nine global economic models of agriculture represent endogenous responses to seven standardized climate change scenarios produced by two climate and five crop models. These responses include adjustments in yields, area, consumption, and international trade. We apply biophysical shocks derived from the Intergovernmental Panel on Climate Change’s representative concentration pathway with end-of-century radiative forcing of 8.5 W/m2. The mean biophysical yield effect with no incremental CO2 fertilization is a 17% reduction globally by 2050 relative to a scenario with unchanging climate. Endogenous economic responses reduce yield loss to 11%, increase area of major crops by 11%, and reduce consumption by 3%. Agricultural production, cropland area, trade, and prices show the greatest degree of variability in response to climate change, and consumption the lowest. The sources of these differences include model structure and specification; in particular, model assumptions about ease of land use conversion, intensification, and trade. This study identifies where models disagree on the relative responses to climate shocks and highlights research activities needed to improve the representation of agricultural adaptation responses to climate change. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=climate%20change" title="climate change">climate change</a>, <a href="https://publications.waset.org/abstracts/search?q=agriculture" title=" agriculture"> agriculture</a>, <a href="https://publications.waset.org/abstracts/search?q=weather%20change" title=" weather change"> weather change</a>, <a href="https://publications.waset.org/abstracts/search?q=danger%20of%20climate%20change" title=" danger of climate change"> danger of climate change</a> </p> <a href="https://publications.waset.org/abstracts/32801/climate-change-effects-on-agriculture" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/32801.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">316</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">9</span> Optimization and Energy Management of Hybrid Standalone Energy System</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=T.%20M.%20Tawfik">T. M. Tawfik</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20A.%20Badr"> M. A. Badr</a>, <a href="https://publications.waset.org/abstracts/search?q=E.%20Y.%20El-Kady"> E. Y. El-Kady</a>, <a href="https://publications.waset.org/abstracts/search?q=O.%20E.%20Abdellatif"> O. E. Abdellatif</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Electric power shortage is a serious problem in remote rural communities in Egypt. Over the past few years, electrification of remote communities including efficient on-site energy resources utilization has achieved high progress. Remote communities usually fed from diesel generator (DG) networks because they need reliable energy and cheap fresh water. The main objective of this paper is to design an optimal economic power supply from hybrid standalone energy system (HSES) as alternative energy source. It covers energy requirements for reverse osmosis desalination unit (DU) located in National Research Centre farm in Noubarya, Egypt. The proposed system consists of PV panels, Wind Turbines (WT), Batteries, and DG as a backup for supplying DU load of 105.6 KWh/day rated power with 6.6 kW peak load operating 16 hours a day. Optimization of HSES objective is selecting the suitable size of each of the system components and control strategy that provide reliable, efficient, and cost-effective system using net present cost (NPC) as a criterion. The harmonization of different energy sources, energy storage, and load requirements are a difficult and challenging task. Thus, the performance of various available configurations is investigated economically and technically using iHOGA software that is based on genetic algorithm (GA). The achieved optimum configuration is further modified through optimizing the energy extracted from renewable sources. Effective minimization of energy charging the battery ensures that most of the generated energy directly supplies the demand, increasing the utilization of the generated energy. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=energy%20management" title="energy management">energy management</a>, <a href="https://publications.waset.org/abstracts/search?q=hybrid%20system" title=" hybrid system"> hybrid system</a>, <a href="https://publications.waset.org/abstracts/search?q=renewable%20energy" title=" renewable energy"> renewable energy</a>, <a href="https://publications.waset.org/abstracts/search?q=remote%20area" title=" remote area"> remote area</a>, <a href="https://publications.waset.org/abstracts/search?q=optimization" title=" optimization"> optimization</a> </p> <a href="https://publications.waset.org/abstracts/74765/optimization-and-energy-management-of-hybrid-standalone-energy-system" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/74765.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">199</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">8</span> Numerical Study of Elastic Performances of Sandwich Beam with Carbon-Fibre Reinforced Skins </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Soukaina%20Ounss">Soukaina Ounss</a>, <a href="https://publications.waset.org/abstracts/search?q=Hamid%20Mounir"> Hamid Mounir</a>, <a href="https://publications.waset.org/abstracts/search?q=Abdellatif%20El%20Marjani"> Abdellatif El Marjani</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Sandwich materials with composite reinforced skins are mostly required in advanced construction applications with a view to ensure resistant structures. Their lightweight, their high flexural stiffness and their optimal thermal insulation make them a suitable solution to obtain efficient structures with performing rigidity and optimal energy safety. In this paper, the mechanical behavior of a sandwich beam with composite skins reinforced by unidirectional carbon fibers is investigated numerically through analyzing the impact of reinforcements specifications on the longitudinal elastic modulus in order to select the adequate sandwich configuration that has an interesting rigidity and an accurate convergence to the analytical approach which is proposed to verify performed numerical simulations. Therefore, concerned study starts by testing flexion performances of skins with various fibers orientations and volume fractions to determine those to use in sandwich beam. For that, the combination of a reinforcement inclination of 30° and a volume ratio of 60% is selected with the one with 60° of fibers orientation and 40% of volume fraction, this last guarantees to chosen skins an important rigidity with an optimal fibers concentration and a great enhance in convergence to analytical results in the sandwich model for the reason of the crucial core role as transverse shear absorber. Thus, a resistant sandwich beam is elaborated from a face-sheet constituted from two layers of previous skins with fibers oriented in 60° and an epoxy core; concerned beam has a longitudinal elastic modulus of 54 Gpa (gigapascal) that equals to the analytical value by a negligible error of 2%. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=fibers%20orientation" title="fibers orientation">fibers orientation</a>, <a href="https://publications.waset.org/abstracts/search?q=fibers%20volume%20ratio" title=" fibers volume ratio"> fibers volume ratio</a>, <a href="https://publications.waset.org/abstracts/search?q=longitudinal%20elastic%20modulus" title=" longitudinal elastic modulus"> longitudinal elastic modulus</a>, <a href="https://publications.waset.org/abstracts/search?q=sandwich%20beam" title=" sandwich beam"> sandwich beam</a> </p> <a href="https://publications.waset.org/abstracts/128431/numerical-study-of-elastic-performances-of-sandwich-beam-with-carbon-fibre-reinforced-skins" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/128431.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">168</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">7</span> From Sampling to Sustainable Phosphate Recovery from Mine Waste Rock Piles</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Hicham%20Amar">Hicham Amar</a>, <a href="https://publications.waset.org/abstracts/search?q=Mustapha%20El%20Ghorfi"> Mustapha El Ghorfi</a>, <a href="https://publications.waset.org/abstracts/search?q=Yassine%20Taha"> Yassine Taha</a>, <a href="https://publications.waset.org/abstracts/search?q=Abdellatif%20Elghali"> Abdellatif Elghali</a>, <a href="https://publications.waset.org/abstracts/search?q=Rachid%20Hakkou"> Rachid Hakkou</a>, <a href="https://publications.waset.org/abstracts/search?q=Mostafa%20Benzaazoua"> Mostafa Benzaazoua</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Phosphate mine waste rock (PMWR) generated during ore extraction is continuously increasing, resulting in a significant environmental footprint. The main objectives of this study consist of i) elaboration of the sampling strategy of PMWR piles, ii) a mineralogical and chemical characterization of PMWR piles, and iii) 3D block model creation to evaluate the potential valorization of the existing PMWR. Destructive drilling using reverse circulation from 13 drills was used to collect samples for chemical (X-ray fluorescence analysis) and mineralogical assays. The 3D block model was created based on the data set, including chemical data of the realized drills using Datamine RM software. The optical microscopy observations showed that the sandy phosphate from drills in the PMWR piles is characterized by the abundance of carbonate fluorapatite with the presence of calcite, dolomite, and quartz. The mean grade of composite samples was around 19.5±2.7% for P₂O₅. The mean grade of P₂O₅ exhibited an increasing tendency by depth profile from bottom to top of PMWR piles. 3D block model generated with chemical data confirmed the tendency of the mean grades’ variation and may allow a potential selective extraction according to %P₂O₅. The 3D block model of P₂O₅ grade is an efficient sampling approach that confirmed the variation of P₂O₅ grade. This integrated approach for PMWR management will be a helpful tool for decision-making to recover the residual phosphate, adopting the circular economy and sustainability in the phosphate mining industry. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=3D%20modelling" title="3D modelling">3D modelling</a>, <a href="https://publications.waset.org/abstracts/search?q=reverse%20circulation%20drilling" title=" reverse circulation drilling"> reverse circulation drilling</a>, <a href="https://publications.waset.org/abstracts/search?q=circular%20economy" title=" circular economy"> circular economy</a>, <a href="https://publications.waset.org/abstracts/search?q=phosphate%20mine%20waste%20rock" title=" phosphate mine waste rock"> phosphate mine waste rock</a>, <a href="https://publications.waset.org/abstracts/search?q=sampling" title=" sampling"> sampling</a> </p> <a href="https://publications.waset.org/abstracts/172201/from-sampling-to-sustainable-phosphate-recovery-from-mine-waste-rock-piles" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/172201.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">77</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">6</span> Advanced Bio-Composite Materials Based on Biopolymer Blends and Cellulose Nanocrystals</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Zineb%20Kassab">Zineb Kassab</a>, <a href="https://publications.waset.org/abstracts/search?q=Nassima%20El%20Miri"> Nassima El Miri</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20Aboulkas"> A. Aboulkas</a>, <a href="https://publications.waset.org/abstracts/search?q=Abdellatif%20Barakat"> Abdellatif Barakat</a>, <a href="https://publications.waset.org/abstracts/search?q=Mounir%20El%20Achaby"> Mounir El Achaby</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Recently, more attention has been given to biopolymers with a focus on sustainable development and environmental preservation. Following this tendency, the attempt has been made to replace polymers derived from petroleum with superior biodegradable polymers (biopolymers). In this context, biopolymers are considered potential replacements for conventional plastic materials. However, some of their properties must be improved for better competitiveness, especially regarding their mechanical, thermal and barrier properties. Bio-nanocomposite technology using nanofillers has already been proven as an effective way to produce new materials with specific properties and high performances. With the emergence of nanostructured bio-composite materials, incorporating elongated rod-like cellulose nanocrystals (CNC) has attracted more and more attention in the field of nanotechnology. This study is aimed to develop bio-composite films of biopolymer matrices [Carboxymethyle cellulose (CMC), Starch (ST), Chitosan (CS) and Polyvinyl alcohol (PVA)] reinforced with cellulose nanocrystals (CNC) using the solution casting method. The CNC were extracted at a nanometric scale from lignocellulosic fibers via sulfuric acid hydrolysis and then characterized using X-ray diffraction (XRD), thermogravimetric analysis (TGA), confocal microscopy, infrared spectroscopy (IR), atomic force and transmission electron microscopies (AFM and TEM) techniques. The as extracted CNC were used as a reinforcing phase to produce a variety of bio-composite films at different CNC loading (0.5-10 wt %) with specific properties. The rheological properties of film-forming solutions (FFS) of bio-composites were studied, and their relation to the casting process was evaluated. Then, the structural, optical transparency, water vapor permeability, thermal stability and mechanical properties of all prepared bio-composite films were evaluated and studied in this report. The high performances of these bio-composite films are expected to have potential in biomaterials or packaging applications. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=biopolymer%20composites" title="biopolymer composites">biopolymer composites</a>, <a href="https://publications.waset.org/abstracts/search?q=cellulose%20nanocrystals" title=" cellulose nanocrystals"> cellulose nanocrystals</a>, <a href="https://publications.waset.org/abstracts/search?q=food%20packaging" title=" food packaging"> food packaging</a>, <a href="https://publications.waset.org/abstracts/search?q=lignocellulosic%20fibers" title=" lignocellulosic fibers"> lignocellulosic fibers</a> </p> <a href="https://publications.waset.org/abstracts/72734/advanced-bio-composite-materials-based-on-biopolymer-blends-and-cellulose-nanocrystals" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/72734.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">240</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">5</span> Geostatistical Models to Correct Salinity of Soils from Landsat Satellite Sensor: Application to the Oran Region, Algeria</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Dehni%20Abdellatif">Dehni Abdellatif</a>, <a href="https://publications.waset.org/abstracts/search?q=Lounis%20Mourad"> Lounis Mourad</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The new approach of applied spatial geostatistics in materials sciences, agriculture accuracy, agricultural statistics, permitted an apprehension of managing and monitoring the water and groundwater qualities in a relationship with salt-affected soil. The anterior experiences concerning data acquisition, spatial-preparation studies on optical and multispectral data has facilitated the integration of correction models of electrical conductivity related with soils temperature (horizons of soils). For tomography apprehension, this physical parameter has been extracted from calibration of the thermal band (LANDSAT ETM+6) with a radiometric correction. Our study area is Oran region (Northern West of Algeria). Different spectral indices are determined such as salinity and sodicity index, the Combined Spectral Reflectance Index (CSRI), Normalized Difference Vegetation Index (NDVI), emissivity, Albedo, and Sodium Adsorption Ratio (SAR). The approach of geostatistical modeling of electrical conductivity (salinity), appears to be a useful decision support system for estimating corrected electrical resistivity related to the temperature of surface soils, according to the conversion models by substitution, the reference temperature at 25°C (where hydrochemical data are collected with this constraint). The Brightness temperatures extracted from satellite reflectance (LANDSAT ETM+) are used in consistency models to estimate electrical resistivity. The confusions that arise from the effects of salt stress and water stress removed followed by seasonal application of the geostatistical analysis in Geographic Information System (GIS) techniques investigation and monitoring the variation of the electrical conductivity in the alluvial aquifer of Es-Sénia for the salt-affected soil. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=geostatistical%20modelling" title="geostatistical modelling">geostatistical modelling</a>, <a href="https://publications.waset.org/abstracts/search?q=landsat" title=" landsat"> landsat</a>, <a href="https://publications.waset.org/abstracts/search?q=brightness%20temperature" title=" brightness temperature"> brightness temperature</a>, <a href="https://publications.waset.org/abstracts/search?q=conductivity" title=" conductivity"> conductivity</a> </p> <a href="https://publications.waset.org/abstracts/24098/geostatistical-models-to-correct-salinity-of-soils-from-landsat-satellite-sensor-application-to-the-oran-region-algeria" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/24098.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">440</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=Abdellatif%20Aitheda&page=2">2</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=Abdellatif%20Aitheda&page=2" rel="next">&rsaquo;</a></li> </ul> </div> </main> <footer> <div id="infolinks" class="pt-3 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