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Kamel</title> <meta name="description" content="Search results for: Samir Kamel"> <meta name="keywords" content="Samir Kamel"> <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="Samir Kamel" 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="Samir Kamel"> <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> 219</div> </div> </div> </div> <h1 class="mt-3 mb-3 text-center" style="font-size:1.6rem;">Search results for: Samir Kamel</h1> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">219</span> Fault-Tolerant Fuzzy Gain-Adaptive PID Control for a 2 DOF Helicopter, TRMS System</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Abderrahmen%20Bouguerra">Abderrahmen Bouguerra</a>, <a href="https://publications.waset.org/abstracts/search?q=Kamel%20Kara"> Kamel Kara</a>, <a href="https://publications.waset.org/abstracts/search?q=Djamel%20Saigaa"> Djamel Saigaa</a>, <a href="https://publications.waset.org/abstracts/search?q=Samir%20Zeghlache"> Samir Zeghlache</a>, <a href="https://publications.waset.org/abstracts/search?q=Keltoum%20Loukal"> Keltoum Loukal</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this paper, a Fault-Tolerant control of 2 DOF Helicopter (TRMS System) Based on Fuzzy Gain-Adaptive PID is presented. In particular, the introduction part of the paper presents a Fault-Tolerant Control (FTC), the first part of this paper presents a description of the mathematical model of TRMS, an adaptive PID controller is proposed for fault-tolerant control of a TRMS helicopter system in the presence of actuator faults, A fuzzy inference scheme is used to tune in real-time the controller gains, The proposed adaptive PID controller is compared with the conventional PID. The obtained results show the effectiveness of the proposed method. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=fuzzy%20control" title="fuzzy control">fuzzy control</a>, <a href="https://publications.waset.org/abstracts/search?q=gain-adaptive%20PID" title=" gain-adaptive PID"> gain-adaptive PID</a>, <a href="https://publications.waset.org/abstracts/search?q=helicopter%20model" title=" helicopter model"> helicopter model</a>, <a href="https://publications.waset.org/abstracts/search?q=PID%20control" title=" PID control"> PID control</a>, <a href="https://publications.waset.org/abstracts/search?q=TRMS%20system" title=" TRMS system"> TRMS system</a> </p> <a href="https://publications.waset.org/abstracts/21698/fault-tolerant-fuzzy-gain-adaptive-pid-control-for-a-2-dof-helicopter-trms-system" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/21698.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">485</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">218</span> Design of a Sliding Mode Control Using Nonlinear Sliding Surface and Nonlinear Observer Applied to the Trirotor Mini-Aircraft </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Samir%20Zeghlache">Samir Zeghlache</a>, <a href="https://publications.waset.org/abstracts/search?q=Abderrahmen%20Bouguerra"> Abderrahmen Bouguerra</a>, <a href="https://publications.waset.org/abstracts/search?q=Kamel%20Kara"> Kamel Kara</a>, <a href="https://publications.waset.org/abstracts/search?q=Djamel%20Saigaa"> Djamel Saigaa</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The control of the trirotor helicopter includes nonlinearities, uncertainties and external perturbations that should be considered in the design of control laws. This paper presents a control strategy for an underactuated six degrees of freedom (6 DOF) trirotor helicopter, based on the coupling of the fuzzy logic control and sliding mode control (SMC). The main purpose of this work is to eliminate the chattering phenomenon. To achieve our purpose we have used a fuzzy logic control to generate the hitting control signal, also the non linear observer is then synthesized in order to estimate the unmeasured states. Finally simulation results are included to indicate the trirotor UAV with the proposed controller can greatly alleviate the chattering effect and remain robust to the external disturbances. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=fuzzy%20sliding%20mode%20control" title="fuzzy sliding mode control">fuzzy sliding mode control</a>, <a href="https://publications.waset.org/abstracts/search?q=trirotor%20helicopter" title=" trirotor helicopter"> trirotor helicopter</a>, <a href="https://publications.waset.org/abstracts/search?q=dynamic%20modelling" title=" dynamic modelling"> dynamic modelling</a>, <a href="https://publications.waset.org/abstracts/search?q=underactuated%20systems" title=" underactuated systems "> underactuated systems </a> </p> <a href="https://publications.waset.org/abstracts/21720/design-of-a-sliding-mode-control-using-nonlinear-sliding-surface-and-nonlinear-observer-applied-to-the-trirotor-mini-aircraft" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/21720.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">534</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">217</span> Utilization and Characterizations of Olive Oil Industry By-Products</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Sawsan%20Dacrory">Sawsan Dacrory</a>, <a href="https://publications.waset.org/abstracts/search?q=Hussein%20Abou-Yousef"> Hussein Abou-Yousef</a>, <a href="https://publications.waset.org/abstracts/search?q=Samir%20Kamel"> Samir Kamel</a>, <a href="https://publications.waset.org/abstracts/search?q=Ragab%20E.%20Abou-Zeid"> Ragab E. Abou-Zeid</a>, <a href="https://publications.waset.org/abstracts/search?q=Mohamed%20S.%20Abdel-Aziz"> Mohamed S. Abdel-Aziz</a>, <a href="https://publications.waset.org/abstracts/search?q=Mohamed%20Elbadry"> Mohamed Elbadry</a> </p> <p class="card-text"><strong>Abstract:</strong></p> A considerable amount of lignocellulosic by-product could be obtained from olive pulp during olive oil extraction industry. The major constituents of the olive pulp are husks and seeds. The separation of each portion of olive pulp (seeds and husks) was carried out by water flotation where seeds were sediment in the bottom. Both seeds and husks were dignified by 15% NaOH followed by complete lignin removal by using sodium chlorite in acidic medium. The isolated holocellulose, α-cellulose, hydrogel and CMC which prepared from cellulose of both seeds and husk fractions were characterized by FTIR and SEM. The present study focused on the investigation of the chemical components of the lignocellulosic fraction of olive pulp. Biofunctionlization of hydrogel was achieved through loading of silver nanoparticles AgNPs in to the prepared hydrogel. The antimicrobial activity of the loaded silver hydrogel against G-ve, and G+ve, and candida was demonstrated. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=cellulose" title="cellulose">cellulose</a>, <a href="https://publications.waset.org/abstracts/search?q=carboxymethyle%20cellulose" title=" carboxymethyle cellulose"> carboxymethyle cellulose</a>, <a href="https://publications.waset.org/abstracts/search?q=olive%20pulp" title=" olive pulp"> olive pulp</a>, <a href="https://publications.waset.org/abstracts/search?q=hydrogel" title=" hydrogel"> hydrogel</a> </p> <a href="https://publications.waset.org/abstracts/40837/utilization-and-characterizations-of-olive-oil-industry-by-products" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/40837.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">474</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">216</span> Eco-Friendly Synthesis of Carbon Quantum Dots as an Effective Adsorbent</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Hebat%E2%80%91Allah%20S.%20Tohamy">Hebat‑Allah S. Tohamy</a>, <a href="https://publications.waset.org/abstracts/search?q=Mohamed%20El%E2%80%91Sakhawy"> Mohamed El‑Sakhawy</a>, <a href="https://publications.waset.org/abstracts/search?q=Samir%20Kamel"> Samir Kamel</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Fluorescent carbon quantum dots (CQDs) were prepared by an economical, green, and single-step procedure based on microwave heating of urea with sugarcane bagasse (SCB), cellulose (C), or carboxymethyl cellulose (CMC). The prepared CQDs were characterized using a series of spectroscopic techniques, and they had small size, strong absorption in the UV, and excitation wavelength-dependent fluorescence. The prepared CQDs were used for Pb(II) adsorption from an aqueous solution. The removal efficiency percentages (R %) were 99.16, 96.36, and 98.48 for QCMC, QC, and QSCB. The findings validated the efficiency of CQDs synthesized from CMC, cellulose, and SCB as excellent materials for further utilization in the environmental fields of wastewater pollution detection, adsorption, and chemical sensing applications. The kinetics and isotherms studied found that all CQD isotherms fit well with the Langmuir model than Freundlich and Temkin models. According to R², the pseudo-second-order fits the adsorption of QCMC, while the first-order one fits with QC and QSCB. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=carbon%20quantum%20dots" title="carbon quantum dots">carbon quantum dots</a>, <a href="https://publications.waset.org/abstracts/search?q=graphene%20quantum%20dots" title=" graphene quantum dots"> graphene quantum dots</a>, <a href="https://publications.waset.org/abstracts/search?q=fluorescence" title=" fluorescence"> fluorescence</a>, <a href="https://publications.waset.org/abstracts/search?q=quantum%20yield" title=" quantum yield"> quantum yield</a>, <a href="https://publications.waset.org/abstracts/search?q=water%20treatment" title=" water treatment"> water treatment</a>, <a href="https://publications.waset.org/abstracts/search?q=agricultural%20wastes" title=" agricultural wastes"> agricultural wastes</a> </p> <a href="https://publications.waset.org/abstracts/157843/eco-friendly-synthesis-of-carbon-quantum-dots-as-an-effective-adsorbent" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/157843.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">132</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">215</span> Experimental Evaluation of Workability and Compressive Strength of Concrete With Sediments From Dam</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Khouadjia%20Mohamed%20Lyes%20Kamel">Khouadjia Mohamed Lyes Kamel</a>, <a href="https://publications.waset.org/abstracts/search?q=Bensalem%20Sara"> Bensalem Sara</a>, <a href="https://publications.waset.org/abstracts/search?q=Abdou%20Kamel"> Abdou Kamel</a>, <a href="https://publications.waset.org/abstracts/search?q=Belkadi%20Ahmed%20Abderraouf"> Belkadi Ahmed Abderraouf</a>, <a href="https://publications.waset.org/abstracts/search?q=Kessal%20Oussama"> Kessal Oussama</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The experimental study was conducted on sediments dredging from the dam of Bni Haroun, the most important and the largest dam in Algeria. The first phase of the work was to substitution of crushed sand with sediments to study the workability and compressive strength of ordinary concretes. The second phase of the work is to study the behavior of concrete with sediment under the effect of the freeze-thaw cycles. The results showed that the mechanical performance of concretes with sediments is better with a substitution rate of 10%. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=sediments" title="sediments">sediments</a>, <a href="https://publications.waset.org/abstracts/search?q=concrete" title=" concrete"> concrete</a>, <a href="https://publications.waset.org/abstracts/search?q=dam" title=" dam"> dam</a>, <a href="https://publications.waset.org/abstracts/search?q=workability" title=" workability"> workability</a>, <a href="https://publications.waset.org/abstracts/search?q=compressive%20strength" title=" compressive strength"> compressive strength</a>, <a href="https://publications.waset.org/abstracts/search?q=freeze-thaw%20cycles" title=" freeze-thaw cycles"> freeze-thaw cycles</a> </p> <a href="https://publications.waset.org/abstracts/160304/experimental-evaluation-of-workability-and-compressive-strength-of-concrete-with-sediments-from-dam" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/160304.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">214</span> Optimization of Passive Vibration Damping of Space Structures </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Emad%20Askar">Emad Askar</a>, <a href="https://publications.waset.org/abstracts/search?q=Eldesoky%20Elsoaly"> Eldesoky Elsoaly</a>, <a href="https://publications.waset.org/abstracts/search?q=Mohamed%20Kamel"> Mohamed Kamel</a>, <a href="https://publications.waset.org/abstracts/search?q=Hisham%20Kamel"> Hisham Kamel</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The objective of this article is to improve the passive vibration damping of solar array (SA) used in space structures, by the effective application of numerical optimization. A case study of a SA is used for demonstration. A finite element (FE) model was created and verified by experimental testing. Optimization was then conducted by implementing the FE model with the genetic algorithm, to find the optimal placement of aluminum circular patches, to suppress the first two bending mode shapes. The results were verified using experimental testing. Finally, a parametric study was conducted using the FE model where patch locations, material type, and shape were varied one at a time, and the results were compared with the optimal ones. The results clearly show that through the proper application of FE modeling and numerical optimization, passive vibration damping of space structures has been successfully achieved. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=damping%20optimization" title="damping optimization">damping optimization</a>, <a href="https://publications.waset.org/abstracts/search?q=genetic%20algorithm%20optimization" title=" genetic algorithm optimization"> genetic algorithm optimization</a>, <a href="https://publications.waset.org/abstracts/search?q=passive%20vibration%20damping" title=" passive vibration damping"> passive vibration damping</a>, <a href="https://publications.waset.org/abstracts/search?q=solar%20array%20vibration%20damping" title=" solar array vibration damping"> solar array vibration damping</a> </p> <a href="https://publications.waset.org/abstracts/61696/optimization-of-passive-vibration-damping-of-space-structures" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/61696.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">450</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">213</span> Early versus Late Percutaneous Tracheostomy in Critically Ill Adult Mechanically Ventilated Patients</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Kamel%20Abd%20Elaziz%20Mohamed">Kamel Abd Elaziz Mohamed</a>, <a href="https://publications.waset.org/abstracts/search?q=Ahmed%20Yehia%20Mousa"> Ahmed Yehia Mousa</a>, <a href="https://publications.waset.org/abstracts/search?q=Ahmed%20Samir%20ElSawy"> Ahmed Samir ElSawy</a>, <a href="https://publications.waset.org/abstracts/search?q=Adel%20Mohamed%20Saleem"> Adel Mohamed Saleem </a> </p> <p class="card-text"><strong>Abstract:</strong></p> Introduction: Critically ill patients frequently require tracheostomy to simplify long term air way management. While tracheostomy indications have remained unchanged, the timing of elective tracheostomy for the ventilated patient has been questioned. Aim of the work: This study was performed to compare the differences between early and late percutaneous dilatational tracheostomy (PDT) regarding, mechanical ventilation duration (MVD), length of ICU stay, length of hospital stay, incidence of ventilator associated pneumonia and hospital outcome. Patients and methods: Forty patients who met the inclusion criteria were randomly divided into early PDT who had the tracheostomy within the first 10 days of mechanical ventilation (MV) and the late PDT who had the tracheostomy after 10 days of MV. On admission, demographic data and Acute Physiology and Chronic ill Health II and GCS were collected. The duration of mechanical ventilation, ICU length of stay (LOS) and hospital LOS were all calculated. Results: Total of 40 patients were randomized to either early PDT (n= 20) or late PDT (n= 20). There were no significant differences between both groups regarding demographic data or the scores: APACHE II (22.75± 7 vs 24.35 ± 8) and GCS (6.10 ±2 vs 7.10 ± 2.71). An early PDT showed fewer complications vs late procedure, however it was insignificant. There were significant differences between the two groups regarding mean (MVD) which was shorter in early PDT than the late PDT group (32.2± 10.5) vs (20.6 ± 13 days; p= 0.004). Mean ICU stay was shorter in early PDT than late PDT (21 .0± 513.4) vs (40.15 ±12.7 days; p 6 0.001). Mean hospital stay was shorter in early PDT than late PDT (34.60± 18.37) vs (55.60± 25.73 days; p=0.005). Patients with early PDT suffered less sepsis and VAP than late PDT, there was no difference regarding the mortality rate between the two groups. Conclusion: Early PDT is recommended for patients who require prolonged tracheal intubation in the ICU as outcomes like the duration of mechanical ventilation length of ICU stay and hospital stay were significantly shorter in early tracheostomy. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=intensive%20care%20unit" title="intensive care unit">intensive care unit</a>, <a href="https://publications.waset.org/abstracts/search?q=early%20PDT" title=" early PDT"> early PDT</a>, <a href="https://publications.waset.org/abstracts/search?q=late%20PDT" title=" late PDT"> late PDT</a>, <a href="https://publications.waset.org/abstracts/search?q=intubation" title=" intubation"> intubation</a> </p> <a href="https://publications.waset.org/abstracts/19548/early-versus-late-percutaneous-tracheostomy-in-critically-ill-adult-mechanically-ventilated-patients" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/19548.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">600</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">212</span> Composition and Distribution of Seabed Marine Litter Along Algerian Coast (Western Mediterranean)</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ahmed%20Inal">Ahmed Inal</a>, <a href="https://publications.waset.org/abstracts/search?q=Samir%20Rouidi"> Samir Rouidi</a>, <a href="https://publications.waset.org/abstracts/search?q=Samir%20Bachouche"> Samir Bachouche</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The present study is focused on the distribution and composition of seafloor marine litter associated to trawlable fishing areas along Algerian coast. The sampling was done with a GOC73 bottom trawl during four (04) demersal resource assessment cruises, respectively, in 2016, 2019, 2021 and 2022, carried out on board BELKACEM GRINE R/V. A total of 254 fishing hauls were sampled for the assessment of marine litter. Hauls were performed between 22 and 600 m of depth, the duration was between 30 and 60 min. All sampling was conducted during daylight. After the haul, marine litter was sorted and split from the catch. Then, according to the basis of the MEDITS protocol, litters were sorted into six different categories (plastic, rubber, metal, wood, glass and natural fiber). Thereafter, all marine litter were counted and weighed separately to the nearest 0.5 g. The results shows that the maximums of marine litter densities in the seafloor of the trawling fishing areas along Algerian coast are, respectively, 1996 item/km2 in 2016, 5164 item/km2 in 2019, 2173 item/km2 in 2021 and 7319 item/km2 in 2022. Thus, the plastic is the most abundant litter, it represent, respectively, 46% of marine litter in 2016, 67% in 2019, 69% in 2021 and 74% in 2022. Regarding the weight of the marine litter, it varies between 0.00 and 103 kg in 2016, between 0.04 and 81 kg in 2019, between 0.00 and 68 Kg in 2021 and between 0.00 and 318 kg in 2022. Thus, the maximum rate of marine litter compared to the total catch approximate, respectively, 66% in 2016, 90% in 2019, 65% in 2021 and 91% in 2022. In fact, the average loss in catch is estimated, respectively, at 7.4% in 2016, 8.4% in 2019, 5.7% in 2021 and 6.4% in 2022. However, the bathymetric and geographical variability had a significant impact on both density and weight of marine litter. Marine litter monitoring program is necessary for offering more solution proposals. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=composition" title="composition">composition</a>, <a href="https://publications.waset.org/abstracts/search?q=distribution" title=" distribution"> distribution</a>, <a href="https://publications.waset.org/abstracts/search?q=seabed" title=" seabed"> seabed</a>, <a href="https://publications.waset.org/abstracts/search?q=marine%20litter" title=" marine litter"> marine litter</a>, <a href="https://publications.waset.org/abstracts/search?q=algerian%20coast" title=" algerian coast"> algerian coast</a> </p> <a href="https://publications.waset.org/abstracts/176734/composition-and-distribution-of-seabed-marine-litter-along-algerian-coast-western-mediterranean" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/176734.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">211</span> Mean and Volatility Spillover between US Stocks Market and Crude Oil Markets</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Kamel%20Malik%20Bensafta">Kamel Malik Bensafta</a>, <a href="https://publications.waset.org/abstracts/search?q=Gervasio%20Bensafta"> Gervasio Bensafta</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The purpose of this paper is to investigate the relationship between oil prices and socks markets. The empirical analysis in this paper is conducted within the context of Multivariate GARCH models, using a transform version of the so-called BEKK parameterization. We show that mean and uncertainty of US market are transmitted to oil market and European market. We also identify an important transmission from WTI prices to Brent Prices. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=oil%20volatility" title="oil volatility">oil volatility</a>, <a href="https://publications.waset.org/abstracts/search?q=stock%20markets" title=" stock markets"> stock markets</a>, <a href="https://publications.waset.org/abstracts/search?q=MGARCH" title=" MGARCH"> MGARCH</a>, <a href="https://publications.waset.org/abstracts/search?q=transmission" title=" transmission"> transmission</a>, <a href="https://publications.waset.org/abstracts/search?q=structural%20break" title=" structural break"> structural break</a> </p> <a href="https://publications.waset.org/abstracts/10187/mean-and-volatility-spillover-between-us-stocks-market-and-crude-oil-markets" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/10187.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">485</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">210</span> Crude Oil and Stocks Markets: Prices and Uncertainty Transmission Analysis</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Kamel%20Malik%20Bensafta">Kamel Malik Bensafta</a>, <a href="https://publications.waset.org/abstracts/search?q=Gervasio%20Semedo"> Gervasio Semedo </a> </p> <p class="card-text"><strong>Abstract:</strong></p> The purpose of this paper is to investigate the relationship between oil prices and socks markets. The empirical analysis in this paper is conducted within the context of Multivariate GARCH models, using a transform version of the so-called BEKK parameterization. We show that mean and uncertainty of US market are transmitted to oil market and European market. We also identify an important transmission from WTI prices to Brent Prices. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=oil%20volatility" title="oil volatility">oil volatility</a>, <a href="https://publications.waset.org/abstracts/search?q=stock%20markets" title=" stock markets"> stock markets</a>, <a href="https://publications.waset.org/abstracts/search?q=MGARCH" title=" MGARCH"> MGARCH</a>, <a href="https://publications.waset.org/abstracts/search?q=transmission" title=" transmission"> transmission</a>, <a href="https://publications.waset.org/abstracts/search?q=structural%20break" title=" structural break"> structural break</a> </p> <a href="https://publications.waset.org/abstracts/23585/crude-oil-and-stocks-markets-prices-and-uncertainty-transmission-analysis" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/23585.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">522</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">209</span> Numerical Modeling of Storm Swells in Harbor by Boussinesq Equations Model</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mustapha%20Kamel%20Mihoubi">Mustapha Kamel Mihoubi</a>, <a href="https://publications.waset.org/abstracts/search?q=Hocine%20Dahmani"> Hocine Dahmani </a> </p> <p class="card-text"><strong>Abstract:</strong></p> The purpose of work is to study the phenomenon of agitation of storm waves at basin caused by different directions of waves relative to the current provision thrown numerical model based on the equation in shallow water using Boussinesq model MIKE 21 BW. According to the diminishing effect of penetration of a wave optimal solution will be available to be reproduced in reduced model. Another alternative arrangement throws will be proposed to reduce the agitation and the effects of the swell reflection caused by the penetration of waves in the harbor. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=agitation" title="agitation">agitation</a>, <a href="https://publications.waset.org/abstracts/search?q=Boussinesq%20equations" title=" Boussinesq equations"> Boussinesq equations</a>, <a href="https://publications.waset.org/abstracts/search?q=combination" title=" combination"> combination</a>, <a href="https://publications.waset.org/abstracts/search?q=harbor" title=" harbor"> harbor</a> </p> <a href="https://publications.waset.org/abstracts/16182/numerical-modeling-of-storm-swells-in-harbor-by-boussinesq-equations-model" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/16182.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">389</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">208</span> Study of Quantum Lasers of Random Trimer Barrier AlxGa1-xAs Superlattices</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Bentata%20Samir">Bentata Samir</a>, <a href="https://publications.waset.org/abstracts/search?q=Bendahma%20Fatima"> Bendahma Fatima</a> </p> <p class="card-text"><strong>Abstract:</strong></p> We have numerically studied the random trimer barrier AlxGa1-xAs superlattices (RTBSL). Such systems consist of two different structures randomly distributed along the growth direction, with the additional constraint that the barriers of one kind appear in triply. An explicit formula is given for evaluating the transmission coefficient of superlattices (SL's) in intentional correlated disorder. We have specially investigated the effect of aluminum concentration on the laser wavelength. We discuss the impact of the aluminum concentration associated with the structure profile on the laser wavelengths. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=superlattices" title="superlattices">superlattices</a>, <a href="https://publications.waset.org/abstracts/search?q=transfer%20matrix%20method" title=" transfer matrix method"> transfer matrix method</a>, <a href="https://publications.waset.org/abstracts/search?q=transmission%20coefficient" title=" transmission coefficient"> transmission coefficient</a>, <a href="https://publications.waset.org/abstracts/search?q=quantum%20laser" title=" quantum laser"> quantum laser</a> </p> <a href="https://publications.waset.org/abstracts/24970/study-of-quantum-lasers-of-random-trimer-barrier-alxga1-xas-superlattices" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/24970.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">490</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">207</span> Overcoming 4-to-1 Decryption Failure of the Rabin Cryptosystem</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Muhammad%20Rezal%20Kamel%20Ariffin">Muhammad Rezal Kamel Ariffin</a>, <a href="https://publications.waset.org/abstracts/search?q=Muhammad%20Asyraf%20Asbullah"> Muhammad Asyraf Asbullah</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The square root modulo problem is a known primitive in designing an asymmetric cryptosystem. It was first attempted by Rabin. Decryption failure of the Rabin cryptosystem caused by the 4-to-1 decryption output is overcome efficiently in this work. The proposed scheme to overcome the decryption failure issue (known as the AAβ-cryptosystem) is constructed using a simple mathematical structure, it has low computational requirements and would enable communication devices with low computing power to deploy secure communication procedures efficiently. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Rabin%20cryptosystem" title="Rabin cryptosystem">Rabin cryptosystem</a>, <a href="https://publications.waset.org/abstracts/search?q=4-to-1%20decryption%20failure" title=" 4-to-1 decryption failure"> 4-to-1 decryption failure</a>, <a href="https://publications.waset.org/abstracts/search?q=square%20root%20modulo%20problem" title=" square root modulo problem"> square root modulo problem</a>, <a href="https://publications.waset.org/abstracts/search?q=integer%20factorization%20problem" title=" integer factorization problem"> integer factorization problem</a> </p> <a href="https://publications.waset.org/abstracts/21804/overcoming-4-to-1-decryption-failure-of-the-rabin-cryptosystem" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/21804.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">475</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">206</span> Material Fracture Dynamic of Vertical Axis Wind Turbine Blade</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Samir%20Lecheb">Samir Lecheb</a>, <a href="https://publications.waset.org/abstracts/search?q=Ahmed%20Chellil"> Ahmed Chellil</a>, <a href="https://publications.waset.org/abstracts/search?q=Hamza%20Mechakra"> Hamza Mechakra</a>, <a href="https://publications.waset.org/abstracts/search?q=Brahim%20Safi"> Brahim Safi</a>, <a href="https://publications.waset.org/abstracts/search?q=Houcine%20Kebir"> Houcine Kebir </a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this paper we studied fracture and dynamic behavior of vertical axis wind turbine blade, the VAWT is a historical machine, it has many properties, structure, advantage, component to be able to produce the electricity. We modeled the blade design then imported to Abaqus software for analysis the modes shapes, frequencies, stress, strain, displacement and stress intensity factor SIF, after comparison we chose the idol material. Finally, the CTS test of glass epoxy reinforced polymer plates to obtain the material fracture toughness Kc. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=blade" title="blade">blade</a>, <a href="https://publications.waset.org/abstracts/search?q=crack" title=" crack"> crack</a>, <a href="https://publications.waset.org/abstracts/search?q=frequency" title=" frequency"> frequency</a>, <a href="https://publications.waset.org/abstracts/search?q=material" title=" material"> material</a>, <a href="https://publications.waset.org/abstracts/search?q=SIF" title=" SIF"> SIF</a> </p> <a href="https://publications.waset.org/abstracts/86134/material-fracture-dynamic-of-vertical-axis-wind-turbine-blade" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/86134.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">549</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">205</span> Similarity Based Membership of Elements to Uncertain Concept in Information System</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=M.%20Kamel%20El-Sayed">M. Kamel El-Sayed</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The process of determining the degree of membership for an element to an uncertain concept has been found in many ways, using equivalence and symmetry relations in information systems. In the case of similarity, these methods did not take into account the degree of symmetry between elements. In this paper, we use a new definition for finding the membership based on the degree of symmetry. We provide an example to clarify the suggested methods and compare it with previous methods. This method opens the door to more accurate decisions in information systems. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=information%20system" title="information system">information system</a>, <a href="https://publications.waset.org/abstracts/search?q=uncertain%20concept" title=" uncertain concept"> uncertain concept</a>, <a href="https://publications.waset.org/abstracts/search?q=membership%20function" title=" membership function"> membership function</a>, <a href="https://publications.waset.org/abstracts/search?q=similarity%20relation" title=" similarity relation"> similarity relation</a>, <a href="https://publications.waset.org/abstracts/search?q=degree%20of%20similarity" title=" degree of similarity"> degree of similarity</a> </p> <a href="https://publications.waset.org/abstracts/88086/similarity-based-membership-of-elements-to-uncertain-concept-in-information-system" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/88086.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">223</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">204</span> Combination of Topology and Rough Set for Analysis of Power System Control</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=M.%20Kamel%20El-Sayed">M. Kamel El-Sayed</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this research, we have linked the concept of rough set and topological structure to the creation of a new topological structure that assists in the analysis of the information systems of some electrical engineering issues. We used non-specific information whose boundaries do not have an empty set in the top topological structure is rough set. It is characterized by the fact that it does not contain a large number of elements and facilitates the establishment of rules. We used this structure in reducing the specifications of electrical information systems. We have provided a detailed example of this method illustrating the steps used. This method opens the door to obtaining multiple topologies, each of which uses one of the non-defined groups (rough set) in the overall information system. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=electrical%20engineering" title="electrical engineering">electrical engineering</a>, <a href="https://publications.waset.org/abstracts/search?q=information%20system" title=" information system"> information system</a>, <a href="https://publications.waset.org/abstracts/search?q=rough%20set" title=" rough set"> rough set</a>, <a href="https://publications.waset.org/abstracts/search?q=rough%20topology" title=" rough topology"> rough topology</a>, <a href="https://publications.waset.org/abstracts/search?q=topology" title=" topology"> topology</a> </p> <a href="https://publications.waset.org/abstracts/88084/combination-of-topology-and-rough-set-for-analysis-of-power-system-control" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/88084.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">453</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">203</span> Contribution of Algerians Local Materials on the Compressive Strengths of Concrete: Experimental and Numerical Study</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mohamed%20Lyes%20Kamel%20Khouadjia">Mohamed Lyes Kamel Khouadjia</a>, <a href="https://publications.waset.org/abstracts/search?q=Bouzidi%20Mezghiche"> Bouzidi Mezghiche</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The evolution in the civil engineering and carried out more consumption of aggregates and particularly the sand. Due to the depletion of natural reserves of sand, it is necessary to focus on the use of local materials such as crushed sand, river sand and dune sand, mineral additions. The aim of this work is to improve the state of knowledge on the compressive strengths of crushed sands with several mixtures (dune sand, river sand, pozzolan, and slag). The obtained results were compared with numerical results obtained with the software Béton Lab Pro 3. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=crushed%20sand" title="crushed sand">crushed sand</a>, <a href="https://publications.waset.org/abstracts/search?q=river%20sand" title=" river sand"> river sand</a>, <a href="https://publications.waset.org/abstracts/search?q=dune%20sand" title=" dune sand"> dune sand</a>, <a href="https://publications.waset.org/abstracts/search?q=pouzzolan" title=" pouzzolan"> pouzzolan</a>, <a href="https://publications.waset.org/abstracts/search?q=slag" title=" slag"> slag</a>, <a href="https://publications.waset.org/abstracts/search?q=compressive%20strengths" title=" compressive strengths"> compressive strengths</a>, <a href="https://publications.waset.org/abstracts/search?q=B%C3%A9ton%20Lab%20Pro%203" title=" Béton Lab Pro 3"> Béton Lab Pro 3</a> </p> <a href="https://publications.waset.org/abstracts/32109/contribution-of-algerians-local-materials-on-the-compressive-strengths-of-concrete-experimental-and-numerical-study" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/32109.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">324</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">202</span> Numerical Wave Solutions for Nonlinear Coupled Equations Using Sinc-Collocation Method</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Kamel%20Al-Khaled">Kamel Al-Khaled</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this paper, numerical solutions for the nonlinear coupled Korteweg-de Vries, (abbreviated as KdV) equations are calculated by Sinc-collocation method. This approach is based on a global collocation method using Sinc basis functions. First, discretizing time derivative of the KdV equations by a classic finite difference formula, while the space derivatives are approximated by a $\theta-$weighted scheme. Sinc functions are used to solve these two equations. Soliton solutions are constructed to show the nature of the solution. The numerical results are shown to demonstrate the efficiency of the newly proposed method. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Nonlinear%20coupled%20KdV%20equations" title="Nonlinear coupled KdV equations">Nonlinear coupled KdV equations</a>, <a href="https://publications.waset.org/abstracts/search?q=Soliton%20solutions" title=" Soliton solutions"> Soliton solutions</a>, <a href="https://publications.waset.org/abstracts/search?q=Sinc-collocation%20method" title=" Sinc-collocation method"> Sinc-collocation method</a>, <a href="https://publications.waset.org/abstracts/search?q=Sinc%20functions" title=" Sinc functions"> Sinc functions</a> </p> <a href="https://publications.waset.org/abstracts/23564/numerical-wave-solutions-for-nonlinear-coupled-equations-using-sinc-collocation-method" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/23564.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">524</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">201</span> Novel Microstrip MIMO Antenna for 3G/4G Applications</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Sandro%20Samir%20Nasief">Sandro Samir Nasief</a>, <a href="https://publications.waset.org/abstracts/search?q=Hussein%20Hamed%20Ghouz"> Hussein Hamed Ghouz</a>, <a href="https://publications.waset.org/abstracts/search?q=Mohamed%20Fathy"> Mohamed Fathy</a> </p> <p class="card-text"><strong>Abstract:</strong></p> A compact ultra-wide band micro-strip MIMO antenna is introduced. The antenna consists of two elements each of size 24X24 mm2 (square millimetre) while the total MIMO size is 58X24 mm2 after the spacing between MIMO elements and adding a decouple circuit. The first one covers from 3.29 to 6.9 GHZ using digital ground and the second antenna covers from 8.76 to 13.27 GHZ using defective ground. This type of antenna is used for 3G and 4G applications. The introduction for the antenna structure and the parametric study (reflection coefficients, gain, coupling and decoupling) will be introduced. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=micro-strip%20antenna" title="micro-strip antenna">micro-strip antenna</a>, <a href="https://publications.waset.org/abstracts/search?q=MIMO" title=" MIMO"> MIMO</a>, <a href="https://publications.waset.org/abstracts/search?q=digital%20ground" title=" digital ground"> digital ground</a>, <a href="https://publications.waset.org/abstracts/search?q=defective%20ground" title=" defective ground"> defective ground</a>, <a href="https://publications.waset.org/abstracts/search?q=decouple%20circuit" title=" decouple circuit"> decouple circuit</a>, <a href="https://publications.waset.org/abstracts/search?q=bandwidth" title=" bandwidth"> bandwidth</a> </p> <a href="https://publications.waset.org/abstracts/4377/novel-microstrip-mimo-antenna-for-3g4g-applications" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/4377.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">365</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">200</span> Mirror of Princes as a Literary Genre in Classic Arabic Literature</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Samir%20Kittaniy">Samir Kittaniy</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The “Mirrors of Princes” is considered one of the most important literary types in Arabic and Islamic heritage. The term can be found in various types of “Adab”. The paper deals with the phrase: “Mirrors of princes” itself, showing its nature and the extent of its spread among researchers. Thus, the article relates to one of the main cultural pillars of the literary heritage. Creative individuals within the framework of this type of “Adab” have viewed the rulers as the ultimate goal they try to reach in their classification efforts, with the aim of educating, entertaining and amusing. Most literary classifications were submitted as a gift to the rulers, in an attempt to get closer to them. Pragmatic moral and political advices were among the most prominent issues to gain the approval of rulers. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Islam" title="Islam">Islam</a>, <a href="https://publications.waset.org/abstracts/search?q=Arabic" title=" Arabic"> Arabic</a>, <a href="https://publications.waset.org/abstracts/search?q=literature" title=" literature"> literature</a>, <a href="https://publications.waset.org/abstracts/search?q=Middle%20East" title=" Middle East"> Middle East</a>, <a href="https://publications.waset.org/abstracts/search?q=mirrors%20of%20princes" title=" mirrors of princes"> mirrors of princes</a> </p> <a href="https://publications.waset.org/abstracts/18146/mirror-of-princes-as-a-literary-genre-in-classic-arabic-literature" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/18146.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">522</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">199</span> Study of the Thermomechanical Behavior of a Concrete Element</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Douhi%20Reda%20Bouabdellah">Douhi Reda Bouabdellah</a>, <a href="https://publications.waset.org/abstracts/search?q=Khalafi%20Hamid"> Khalafi Hamid</a>, <a href="https://publications.waset.org/abstracts/search?q=Belamri%20Samir"> Belamri Samir</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The desire to improve the safety of nuclear reactor containment has revealed the need for data on the thermo mechanical behavior of concrete in case of accident during which the concrete is exposed to high temperatures. The aim of the present work is to study the influence of high temperature on the behavior of ordinary concrete specimens loaded by an effort of compression. A thermal model is developed by discretization volume elements (CASTEM). The results of different simulations, combined with other findings help to bring a physical phenomenon explanation Thermo mechanical concrete structures, which allowed to obtain the variation of the stresses anywhere in point or node and each subsequent temperature different directions X, Y and Z. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=concrete" title="concrete">concrete</a>, <a href="https://publications.waset.org/abstracts/search?q=thermic-gradient" title=" thermic-gradient"> thermic-gradient</a>, <a href="https://publications.waset.org/abstracts/search?q=fire%20resistant" title=" fire resistant"> fire resistant</a>, <a href="https://publications.waset.org/abstracts/search?q=simulation%20by%20CASTEM" title=" simulation by CASTEM"> simulation by CASTEM</a>, <a href="https://publications.waset.org/abstracts/search?q=mechanical%20strength" title=" mechanical strength"> mechanical strength</a> </p> <a href="https://publications.waset.org/abstracts/56980/study-of-the-thermomechanical-behavior-of-a-concrete-element" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/56980.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">308</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">198</span> Polyphenol and Antimicrobial Activity in Olive Oil from Algeria</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Kamel%20Zemour">Kamel Zemour</a>, <a href="https://publications.waset.org/abstracts/search?q=Kada%20Mohamed%20Amine%20Chouhim"> Kada Mohamed Amine Chouhim</a>, <a href="https://publications.waset.org/abstracts/search?q=Mohamed%20Mairif"> Mohamed Mairif</a>, <a href="https://publications.waset.org/abstracts/search?q=Tadj%20Eddine%20Adda%20Ardjan"> Tadj Eddine Adda Ardjan</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Many recent studies show the positive effect of phenolic compounds in olive oil on health. They are known for their biological properties, where they have shown potential activity as an antioxidant, anti-inflammatory, and antimicrobial agents. However, this characteristic is rarely studied in olive oil from different regions of Algeria. Different samples collected from the western region of Algeria were evaluated for their polyphenol content, antioxidant activity, and antimicrobial effect. The obtained results demonstrated that this oil is rich in polyphenols and revealed high antimicrobial activity against Staphylococcus aureus and Escherichia coli. Finally, this study has highlighted the nutritional and pharmaceutical importance of olive oil grown in Algeria. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=olive%20oil" title="olive oil">olive oil</a>, <a href="https://publications.waset.org/abstracts/search?q=polyphenols" title=" polyphenols"> polyphenols</a>, <a href="https://publications.waset.org/abstracts/search?q=antioxidant%20activity" title=" antioxidant activity"> antioxidant activity</a>, <a href="https://publications.waset.org/abstracts/search?q=antimicrobial%20activity" title=" antimicrobial activity"> antimicrobial activity</a> </p> <a href="https://publications.waset.org/abstracts/159649/polyphenol-and-antimicrobial-activity-in-olive-oil-from-algeria" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/159649.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">151</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">197</span> Effect of the Aluminium Concentration on the Laser Wavelength of Random Trimer Barrier AlxGa1-xAs Superlattices</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Samir%20Bentata">Samir Bentata</a>, <a href="https://publications.waset.org/abstracts/search?q=Fatima%20Bendahma"> Fatima Bendahma</a> </p> <p class="card-text"><strong>Abstract:</strong></p> We have numerically investigated the effect of Aluminium concentration on the the laser wavelength of random trimer barrier AlxGa1-xAs superlattices (RTBSL). Such systems consist of two different structures randomly distributed along the growth direction, with the additional constraint that the barriers of one kind appear in triply. An explicit formula is given for evaluating the transmission coefficient of superlattices (SL's) with intentional correlated disorder. The method is based on Airy function formalism and the transfer-matrix technique. We discuss the impact of the Aluminium concentration associate to the structure profile on the laser wavelengths. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=superlattices" title="superlattices">superlattices</a>, <a href="https://publications.waset.org/abstracts/search?q=correlated%20disorder" title=" correlated disorder"> correlated disorder</a>, <a href="https://publications.waset.org/abstracts/search?q=transmission%20coefficient" title=" transmission coefficient"> transmission coefficient</a>, <a href="https://publications.waset.org/abstracts/search?q=laser%20wavelength" title=" laser wavelength "> laser wavelength </a> </p> <a href="https://publications.waset.org/abstracts/15343/effect-of-the-aluminium-concentration-on-the-laser-wavelength-of-random-trimer-barrier-alxga1-xas-superlattices" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/15343.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">336</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">196</span> Anomaly Detection Based on System Log Data</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=M.%20Kamel">M. Kamel</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20Hoayek"> A. Hoayek</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20Batton-Hubert"> M. Batton-Hubert</a> </p> <p class="card-text"><strong>Abstract:</strong></p> With the increase of network virtualization and the disparity of vendors, the continuous monitoring and detection of anomalies cannot rely on static rules. An advanced analytical methodology is needed to discriminate between ordinary events and unusual anomalies. In this paper, we focus on log data (textual data), which is a crucial source of information for network performance. Then, we introduce an algorithm used as a pipeline to help with the pretreatment of such data, group it into patterns, and dynamically label each pattern as an anomaly or not. Such tools will provide users and experts with continuous real-time logs monitoring capability to detect anomalies and failures in the underlying system that can affect performance. An application of real-world data illustrates the algorithm. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=logs" title="logs">logs</a>, <a href="https://publications.waset.org/abstracts/search?q=anomaly%20detection" title=" anomaly detection"> anomaly detection</a>, <a href="https://publications.waset.org/abstracts/search?q=ML" title=" ML"> ML</a>, <a href="https://publications.waset.org/abstracts/search?q=scoring" title=" scoring"> scoring</a>, <a href="https://publications.waset.org/abstracts/search?q=NLP" title=" NLP"> NLP</a> </p> <a href="https://publications.waset.org/abstracts/162951/anomaly-detection-based-on-system-log-data" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/162951.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">195</span> The Study of γ- Radiolysis of 1.2.4-Trichlorobenzene in Methanol Solution</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Samir%20Karimov">Samir Karimov</a>, <a href="https://publications.waset.org/abstracts/search?q=Elshad%20Abdullayev"> Elshad Abdullayev</a>, <a href="https://publications.waset.org/abstracts/search?q=Muslum%20Gurbanov"> Muslum Gurbanov</a> </p> <p class="card-text"><strong>Abstract:</strong></p> As one of the γ-radiolysis products of hexachlorocyclohexane and hexachlorobenzene, the study of 1.4 g/L concentrated 1,2,4-trichlorobenzene (TCB) in methanol solution has been irradiated at 0-209.3 kGy dose of γ-radiation and the results have been studied via GC-MS. At maximum radiation dose of 209.3 kGy 91.38% of TCB has converted into different organic compounds, such as 1,4-, 1,3- and 1,2- dichlorobenzenes (DCB), chlorobenzene, toluene, benzene and other chlorinated and non-chlorinated compounds. The variation of compounds formed by γ-radiolysis depends on the nature of solvent and radiation dose. One of the frequently identified radiolysis products of TCB in different organic solvents - 1,4-DCB studied quantitatively with external standard. The concentration of DCB increases by increasing absorbed radiation dose to approximately 131.8 kGy, then at higher doses with its conversion into chlorobenzene, it decreases. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=%CE%B3-radiolysis" title="γ-radiolysis">γ-radiolysis</a>, <a href="https://publications.waset.org/abstracts/search?q=chlorinated%20pesticides" title=" chlorinated pesticides"> chlorinated pesticides</a>, <a href="https://publications.waset.org/abstracts/search?q=radiation%20dose" title=" radiation dose"> radiation dose</a>, <a href="https://publications.waset.org/abstracts/search?q=dechlorination" title=" dechlorination"> dechlorination</a> </p> <a href="https://publications.waset.org/abstracts/155160/the-study-of-gh-radiolysis-of-124-trichlorobenzene-in-methanol-solution" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/155160.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">111</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">194</span> Mineralogical Characterization and Petrographic Classification of the Soil of Casablanca City</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=I.%20Fahi">I. Fahi</a>, <a href="https://publications.waset.org/abstracts/search?q=T.%20Remmal"> T. Remmal</a>, <a href="https://publications.waset.org/abstracts/search?q=F.%20El%20Kamel"> F. El Kamel</a>, <a href="https://publications.waset.org/abstracts/search?q=B.%20Ayoub"> B. Ayoub</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The treatment of the geotechnical database of the region of Casablanca was difficult to achieve due to the heterogeneity of the nomenclature of the lithological formations composing its soil. It appears necessary to harmonize the nomenclature of the facies and to produce cartographic documents useful for construction projects and studies before any investment program. To achieve this, more than 600 surveys made by the Public Laboratory for Testing and Studies (LPEE) in the agglomeration of Casablanca, were studied. Moreover, some local observations were made in different places of the metropolis. Each survey was the subject of a sheet containing lithological succession, macro and microscopic description of petrographic facies with photographic illustration, as well as measurements of geomechanical tests. In addition, an X-ray diffraction analysis was made in order to characterize the surficial formations of the region. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Casablanca" title="Casablanca">Casablanca</a>, <a href="https://publications.waset.org/abstracts/search?q=guidebook" title=" guidebook"> guidebook</a>, <a href="https://publications.waset.org/abstracts/search?q=petrography" title=" petrography"> petrography</a>, <a href="https://publications.waset.org/abstracts/search?q=soil" title=" soil"> soil</a> </p> <a href="https://publications.waset.org/abstracts/64065/mineralogical-characterization-and-petrographic-classification-of-the-soil-of-casablanca-city" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/64065.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">193</span> Analytical Soliton Solutions of the Fractional Jaulent-Miodek System</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Sajeda%20Elbashabsheh">Sajeda Elbashabsheh</a>, <a href="https://publications.waset.org/abstracts/search?q=Kamel%20Al-Khaled"> Kamel Al-Khaled</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper applies a modified Laplace Adomian decomposition method to solve the time-fractional JaulentMiodek system. The method produce convergent series solutions with easily compatible components. This paper considers the Caputo fractional derivative. The effectiveness and applicability of the method are demonstrated by comparing its results with those of prior studies. Results are presented in tables and figures. These solutions might be imperative and significant for the explanation of some practical physical phenomena. All computations and figures in the work are done using MATHEMATICA. The numerical results demonstrate that the current methods are effective, reliable, and simple to i implement for nonlinear fractional partial differential equations. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=approximate%20solutions" title="approximate solutions">approximate solutions</a>, <a href="https://publications.waset.org/abstracts/search?q=Jaulent-Miodek%20system" title=" Jaulent-Miodek system"> Jaulent-Miodek system</a>, <a href="https://publications.waset.org/abstracts/search?q=Adomian%20decomposition%20method" title=" Adomian decomposition method"> Adomian decomposition method</a>, <a href="https://publications.waset.org/abstracts/search?q=solitons" title=" solitons"> solitons</a> </p> <a href="https://publications.waset.org/abstracts/186620/analytical-soliton-solutions-of-the-fractional-jaulent-miodek-system" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/186620.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">44</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">192</span> Ballistic Transport in One-Dimensional Random Dimer Photonic Crystals </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Samira%20Cherid">Samira Cherid</a>, <a href="https://publications.waset.org/abstracts/search?q=Samir%20Bentata"> Samir Bentata</a>, <a href="https://publications.waset.org/abstracts/search?q=F.%20Zahira%20Meghoufel"> F. Zahira Meghoufel</a>, <a href="https://publications.waset.org/abstracts/search?q=Sabria%20Terkhi"> Sabria Terkhi</a>, <a href="https://publications.waset.org/abstracts/search?q=Yamina%20Sefir"> Yamina Sefir</a>, <a href="https://publications.waset.org/abstracts/search?q=Fatima%20Bendahma"> Fatima Bendahma</a>, <a href="https://publications.waset.org/abstracts/search?q=Bouabdellah%20Bouadjemi"> Bouabdellah Bouadjemi</a>, <a href="https://publications.waset.org/abstracts/search?q=Ali%20Z.%20Itouni"> Ali Z. Itouni</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this work, we examined the propagation of light in one-dimensional systems is examined by means of the random dimer model. The introduction of defect elements, randomly in the studied system, breaks down the Anderson localization and provides a set of propagating delocalized modes at the corresponding conventional dimer resonances. However, tuning suitably the defect dimer resonance on the host ones (or vice versa), the transmission magnitudes can be enhanced providing the optimized ballistic transmission regime as an average response. Hence, ballistic optical filters can be conceived at desired wavelengths. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=photonic%20crystals" title="photonic crystals">photonic crystals</a>, <a href="https://publications.waset.org/abstracts/search?q=random%20dimer%20model" title=" random dimer model"> random dimer model</a>, <a href="https://publications.waset.org/abstracts/search?q=ballistic%20resonance" title=" ballistic resonance"> ballistic resonance</a>, <a href="https://publications.waset.org/abstracts/search?q=localization%20and%20transmission" title=" localization and transmission "> localization and transmission </a> </p> <a href="https://publications.waset.org/abstracts/33452/ballistic-transport-in-one-dimensional-random-dimer-photonic-crystals" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/33452.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">529</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">191</span> Simulation and Experimental of Solid Mixing of Free Flowing Material Using Solid Works in V-Blender</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Amina%20Bouhaouche">Amina Bouhaouche</a>, <a href="https://publications.waset.org/abstracts/search?q=Zineb%20Kaoua"> Zineb Kaoua</a>, <a href="https://publications.waset.org/abstracts/search?q=Lila%20Lahreche"> Lila Lahreche</a>, <a href="https://publications.waset.org/abstracts/search?q=Sid%20Ali%20Kaoua"> Sid Ali Kaoua</a>, <a href="https://publications.waset.org/abstracts/search?q=Kamel%20Daoud"> Kamel Daoud</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The objective of this study is to present a novel approach for analyzing the solid dispersion and mixing performance by a numerical simulation method using solid works software of a monodisperse particles for a large span of time reached 20 minutes. To assure the viability of a numerical simulation, an experimental study of a binary mixture of monodiperse particles taken as free flowing material in a V blender was developed on the basis of relative standard deviation curves, and the arrangement of the particles in the vessel. The experimental results were discussed and compared to the numerical simulation results. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=non-cohesive%20material" title="non-cohesive material">non-cohesive material</a>, <a href="https://publications.waset.org/abstracts/search?q=solid%20mixing" title=" solid mixing"> solid mixing</a>, <a href="https://publications.waset.org/abstracts/search?q=solid%20works" title=" solid works"> solid works</a>, <a href="https://publications.waset.org/abstracts/search?q=v-blender" title=" v-blender"> v-blender</a> </p> <a href="https://publications.waset.org/abstracts/38632/simulation-and-experimental-of-solid-mixing-of-free-flowing-material-using-solid-works-in-v-blender" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/38632.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">190</span> New Security Approach of Confidential Resources in Hybrid Clouds</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Haythem%20Yahyaoui">Haythem Yahyaoui</a>, <a href="https://publications.waset.org/abstracts/search?q=Samir%20Moalla"> Samir Moalla</a>, <a href="https://publications.waset.org/abstracts/search?q=Mounir%20Bouden"> Mounir Bouden</a>, <a href="https://publications.waset.org/abstracts/search?q=Skander%20ghorbel"> Skander ghorbel</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Nowadays, Cloud environments are becoming a need for companies, this new technology gives the opportunities to access to the data anywhere and anytime, also an optimized and secured access to the resources and gives more security for the data which stored in the platform, however, some companies do not trust Cloud providers, in their point of view, providers can access and modify some confidential data such as bank accounts, many works have been done in this context, they conclude that encryption methods realized by providers ensure the confidentiality, although, they forgot that Cloud providers can decrypt the confidential resources. The best solution here is to apply some modifications on the data before sending them to the Cloud in the objective to make them unreadable. This work aims on enhancing the quality of service of providers and improving the trust of the customers. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=cloud" title="cloud">cloud</a>, <a href="https://publications.waset.org/abstracts/search?q=confidentiality" title=" confidentiality"> confidentiality</a>, <a href="https://publications.waset.org/abstracts/search?q=cryptography" title=" cryptography"> cryptography</a>, <a href="https://publications.waset.org/abstracts/search?q=security%20issues" title=" security issues"> security issues</a>, <a href="https://publications.waset.org/abstracts/search?q=trust%20issues" title=" trust issues"> trust issues</a> </p> <a href="https://publications.waset.org/abstracts/30035/new-security-approach-of-confidential-resources-in-hybrid-clouds" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/30035.pdf" target="_blank" class="btn btn-primary 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