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Abd-Alhameed</title> <meta name="description" content="Search results for: Raed A. Abd-Alhameed"> <meta name="keywords" content="Raed A. Abd-Alhameed"> <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="Raed A. 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Abd-Alhameed"> <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> 20</div> </div> </div> </div> <h1 class="mt-3 mb-3 text-center" style="font-size:1.6rem;">Search results for: Raed A. Abd-Alhameed</h1> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">20</span> Factors Impact Satisfaction and Continuance Intention to Use Facebook </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Bataineh%20Abdallah">Bataineh Abdallah</a>, <a href="https://publications.waset.org/abstracts/search?q=Alabdallah%20Ghaith"> Alabdallah Ghaith</a>, <a href="https://publications.waset.org/abstracts/search?q=Alkharabshe%20Abdalhameed"> Alkharabshe Abdalhameed</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Social media is an umbrella term for different types of online communication channels. The most prominent forms can be divided into four categories: Collaborative projects (e.g. Wikipedia, comparison-shopping sites), blogs (e.g. Twitter), content communities (e.g. Youtube), social networking sites (e.g. Facebook) social media allow consumers to share their opinions, criticisms and suggestions in public. Facebook launched in 2004, initially targeted college students and later started including everyone has become the most popular sites amongst the young generation for connecting with friends and relatives and for the communication of ideas. In 2013 Facebook penetration rate reached 41.4% of the population making it the most popular social networking site in Jordan. Accordingly, the purpose of this research is to examine the impact of perceived usefulness, perceived ease of use, perceived trust, perceived enjoyment and subjective norms on users' satisfaction and continuance intention to use Facebook in Jordan. Using a structured questionnaire, the primary data was collected from 584 users who have an active Facebook accounts. Multiple regression analysis was employed to test the research model and hypotheses. The research findings indicate that perceived usefulness, perceived ease of use, perceived trust, perceived enjoyment, and subjective norms have a positive and significant effect on users' satisfaction and continuance intention to use Facebook. The findings also indicated that the strongest predictors, based on beta values, on both users' satisfaction and continuance intention to use Facebook is subjective norms and respectively, perceived enjoyment, perceived usefulness, perceived ease of us, and perceived trust. Research results, recommendations, and future research opportunities are also discussed. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=perceived%20usefulness" title="perceived usefulness">perceived usefulness</a>, <a href="https://publications.waset.org/abstracts/search?q=perceived%20ease%20of%20use" title=" perceived ease of use"> perceived ease of use</a>, <a href="https://publications.waset.org/abstracts/search?q=perceived%20trust" title=" perceived trust"> perceived trust</a>, <a href="https://publications.waset.org/abstracts/search?q=perceived%20enjoyment" title=" perceived enjoyment"> perceived enjoyment</a>, <a href="https://publications.waset.org/abstracts/search?q=perceived%20subjective%20norms" title="perceived subjective norms">perceived subjective norms</a>, <a href="https://publications.waset.org/abstracts/search?q=users%27%20satisfaction" title=" users' satisfaction"> users' satisfaction</a>, <a href="https://publications.waset.org/abstracts/search?q=continuance%20intention" title=" continuance intention"> continuance intention</a>, <a href="https://publications.waset.org/abstracts/search?q=Facebook" title="Facebook">Facebook</a> </p> <a href="https://publications.waset.org/abstracts/24080/factors-impact-satisfaction-and-continuance-intention-to-use-facebook" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/24080.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">465</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> A Design of Beam-Steerable Antenna Array for Use in Future Mobile Handsets</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Naser%20Ojaroudi%20Parchin">Naser Ojaroudi Parchin</a>, <a href="https://publications.waset.org/abstracts/search?q=Atta%20Ullah"> Atta Ullah</a>, <a href="https://publications.waset.org/abstracts/search?q=Haleh%20Jahanbakhsh%20Basherlou"> Haleh Jahanbakhsh Basherlou</a>, <a href="https://publications.waset.org/abstracts/search?q=Raed%20A.%20Abd-Alhameed"> Raed A. Abd-Alhameed</a>, <a href="https://publications.waset.org/abstracts/search?q=Peter%20S.%20Excell"> Peter S. Excell</a> </p> <p class="card-text"><strong>Abstract:</strong></p> A design of beam-steerable antenna array for the future cellular communication (5G) is presented. The proposed design contains eight elements of compact end-fire antennas arranged on the top edge of smartphone printed circuit board (PCB). Configuration of the antenna element consists of the conductive patterns on the top and bottom copper foil layers and a substrate layer with a via-hole. The simulated results including input-impedance and also fundamental radiation properties have been presented and discussed. The impedance bandwidth (S<sub>11</sub> ≤ -10 dB) of the antenna spans from 17.5 to 21 GHz (more than 3 GHz bandwidth) with a resonance at 19 GHz. The antenna exhibits end-fire (directional) radiation beams with wide-angle scanning property and could be used for the future 5G beam-forming. Furthermore, the characteristics of the array design in the vicinity of user-hand are studied. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=beam-steering" title="beam-steering">beam-steering</a>, <a href="https://publications.waset.org/abstracts/search?q=end-fire%20radiation%20mode" title=" end-fire radiation mode"> end-fire radiation mode</a>, <a href="https://publications.waset.org/abstracts/search?q=mobile-phone%20antenna" title=" mobile-phone antenna"> mobile-phone antenna</a>, <a href="https://publications.waset.org/abstracts/search?q=phased%20array" title=" phased array"> phased array</a> </p> <a href="https://publications.waset.org/abstracts/111489/a-design-of-beam-steerable-antenna-array-for-use-in-future-mobile-handsets" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/111489.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">155</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> Rooted Challenges: Palestinian Refugees’ Right to Work in Lebanon</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Majd%20Owda">Majd Owda</a>, <a href="https://publications.waset.org/abstracts/search?q=Raed%20Abubadawia"> Raed Abubadawia</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Seventy-four years have passed, and the Palestinian refugees are still waiting to exercise their right of return, which was approved by the international community through dozens of international resolutions. Despite the wait, Palestinian refugees continue to suffer in many host countries. In these waiting stations, they are still deprived of many basic rights. Perhaps Lebanon is one of the most extreme waiting stations in depriving Palestinian refugees of these rights, especially the right to work. This paper attempts to identify the various Lebanese partisan and sectarian points of view that stand in the way of granting Palestinian refugees their basic rights, foremost of which is the right to work, in addition to the recent administrative attempts of the Lebanese government (2021) to grant them their basic rights. And the legal and political obstacles faced by these attempts and which have eliminated them since their launch. This paper highlights the continued need of Palestinian refugees in Lebanon for various social, political and international moves to grant them their basic rights in order to preserve human dignity, which cannot be resolved without these rights. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Palestinian%20refugees" title="Palestinian refugees">Palestinian refugees</a>, <a href="https://publications.waset.org/abstracts/search?q=Lebanon" title=" Lebanon"> Lebanon</a>, <a href="https://publications.waset.org/abstracts/search?q=labor%20law" title=" labor law"> labor law</a>, <a href="https://publications.waset.org/abstracts/search?q=right%20to%20work." title=" right to work."> right to work.</a> </p> <a href="https://publications.waset.org/abstracts/161589/rooted-challenges-palestinian-refugees-right-to-work-in-lebanon" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/161589.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">90</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">17</span> The Engineering Properties of Jordanian Marble</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mousa%20Bani%20Baker">Mousa Bani Baker</a>, <a href="https://publications.waset.org/abstracts/search?q=Raed%20Abendeh"> Raed Abendeh</a>, <a href="https://publications.waset.org/abstracts/search?q=Zaidoon%20Abu%20Salem"> Zaidoon Abu Salem</a>, <a href="https://publications.waset.org/abstracts/search?q=Hesham%20Ahmad"> Hesham Ahmad</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This research paper was commissioned to discuss the Jordanian marble, which is a non-foliated metamorphic rock composed of recrystallized carbonate minerals, most commonly calcite or dolomite. Geologists use the term "marble" to refer to metamorphosed limestone; however, stonemasons use the term more broadly to encompass unmetamorphised limestone. Marble is commonly used for sculpture and as a building material. The marble has many uses; one of them is using the white marble that has been prized for its use in sculptures since classical times. This preference has to do with its softness, relative isotropy and homogeneity, and a relative resistance to shattering. Another use of it is the construction marble which is “a stone which is composed of calcite, dolomite or serpentine which is capable of taking a polish” Marble Institute of America. This report focuses most about the marble in Jordan and its properties: rock definition, physical properties, the marble occurrences in Jordan, types of Jordanian marble and their prices and test done on this marble. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=marble" title="marble">marble</a>, <a href="https://publications.waset.org/abstracts/search?q=metamorphic" title=" metamorphic"> metamorphic</a>, <a href="https://publications.waset.org/abstracts/search?q=non-foliated" title=" non-foliated"> non-foliated</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=recrystallized" title=" recrystallized"> recrystallized</a>, <a href="https://publications.waset.org/abstracts/search?q=Moh%E2%80%99s%20hardness" title=" Moh’s hardness"> Moh’s hardness</a>, <a href="https://publications.waset.org/abstracts/search?q=abrasion" title=" abrasion"> abrasion</a>, <a href="https://publications.waset.org/abstracts/search?q=absorption" title=" absorption"> absorption</a>, <a href="https://publications.waset.org/abstracts/search?q=modulus%20of%20rupture" title=" modulus of rupture"> modulus of rupture</a>, <a href="https://publications.waset.org/abstracts/search?q=porosity" title=" porosity"> porosity</a> </p> <a href="https://publications.waset.org/abstracts/30419/the-engineering-properties-of-jordanian-marble" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/30419.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">373</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> Dual-Polarized Multi-Antenna System for Massive MIMO Cellular Communications</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Naser%20Ojaroudi%20Parchin">Naser Ojaroudi Parchin</a>, <a href="https://publications.waset.org/abstracts/search?q=Haleh%20Jahanbakhsh%20Basherlou"> Haleh Jahanbakhsh Basherlou</a>, <a href="https://publications.waset.org/abstracts/search?q=Raed%20A.%20Abd-Alhameed"> Raed A. Abd-Alhameed</a>, <a href="https://publications.waset.org/abstracts/search?q=Peter%20S.%20Excell"> Peter S. Excell</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this paper, a multiple-input/multiple-output (MIMO) antenna design with polarization and radiation pattern diversity is presented for future smartphones. The configuration of the design consists of four double-fed circular-ring antenna elements located at different edges of the printed circuit board (PCB) with an FR-4 substrate and overall dimension of 75×150 mm<sup>2</sup>. The antenna elements are fed by 50-Ohm microstrip-lines and provide polarization and radiation pattern diversity function due to the orthogonal placement of their feed lines. A good impedance bandwidth (S<sub>11</sub> ≤ -10 dB) of 3.4-3.8 GHz has been obtained for the smartphone antenna array. However, for S<sub>11</sub> ≤ -6 dB, this value is 3.25-3.95 GHz. More than 3 dB realized gain and 80% total efficiency are achieved for the single-element radiator. The presented design not only provides the required radiation coverage but also generates the polarization diversity characteristic. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=cellular%20communications" title="cellular communications">cellular communications</a>, <a href="https://publications.waset.org/abstracts/search?q=multiple-input%2Fmultiple-output%20systems" title=" multiple-input/multiple-output systems"> multiple-input/multiple-output systems</a>, <a href="https://publications.waset.org/abstracts/search?q=mobile-phone%20antenna" title=" mobile-phone antenna"> mobile-phone antenna</a>, <a href="https://publications.waset.org/abstracts/search?q=polarization%20diversity" title=" polarization diversity"> polarization diversity</a> </p> <a href="https://publications.waset.org/abstracts/111449/dual-polarized-multi-antenna-system-for-massive-mimo-cellular-communications" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/111449.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">15</span> A Less Complexity Deep Learning Method for Drones Detection</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mohamad%20Kassab">Mohamad Kassab</a>, <a href="https://publications.waset.org/abstracts/search?q=Amal%20El%20Fallah%20Seghrouchni"> Amal El Fallah Seghrouchni</a>, <a href="https://publications.waset.org/abstracts/search?q=Frederic%20Barbaresco"> Frederic Barbaresco</a>, <a href="https://publications.waset.org/abstracts/search?q=Raed%20Abu%20Zitar"> Raed Abu Zitar</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Detecting objects such as drones is a challenging task as their relative size and maneuvering capabilities deceive machine learning models and cause them to misclassify drones as birds or other objects. In this work, we investigate applying several deep learning techniques to benchmark real data sets of flying drones. A deep learning paradigm is proposed for the purpose of mitigating the complexity of those systems. The proposed paradigm consists of a hybrid between the AdderNet deep learning paradigm and the Single Shot Detector (SSD) paradigm. The goal was to minimize multiplication operations numbers in the filtering layers within the proposed system and, hence, reduce complexity. Some standard machine learning technique, such as SVM, is also tested and compared to other deep learning systems. The data sets used for training and testing were either complete or filtered in order to remove the images with mall objects. The types of data were RGB or IR data. Comparisons were made between all these types, and conclusions were presented. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=drones%20detection" title="drones detection">drones detection</a>, <a href="https://publications.waset.org/abstracts/search?q=deep%20learning" title=" deep learning"> deep learning</a>, <a href="https://publications.waset.org/abstracts/search?q=birds%20versus%20drones" title=" birds versus drones"> birds versus drones</a>, <a href="https://publications.waset.org/abstracts/search?q=precision%20of%20detection" title=" precision of detection"> precision of detection</a>, <a href="https://publications.waset.org/abstracts/search?q=AdderNet" title=" AdderNet"> AdderNet</a> </p> <a href="https://publications.waset.org/abstracts/154403/a-less-complexity-deep-learning-method-for-drones-detection" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/154403.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">182</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> Fracture Pressure Predict Based on Well Logs of Depleted Reservoir in Southern Iraqi Oilfield</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Raed%20H.%20Allawi">Raed H. Allawi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Formation pressure is the most critical parameter in hydrocarbon exploration and exploitation. Specifically, predicting abnormal pressures (high formation pressures) and subnormal pressure zones can provide valuable information to minimize uncertainty for anticipated drilling challenges and risks. This study aims to interpret and delineate the pore and fracture pressure of the Mishrif reservoir in the southern Iraq Oilfield. The data required to implement this study included acoustic compression wave, gamma-ray, bulk density, and drilling events. Furthermore, supporting these models needs the pore pressure measurement from the Modular Formation Dynamics Tester (MDT). Many measured values of pore pressure were used to validate the accurate model. Using sonic velocity approaches, the mean absolute percentage error (MAPE) was about 4%. The fracture pressure results were consistent with the measurement data, actual drilling report, and events. The model's results will be a guide for successful drilling in future wells in the same oilfield. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=pore%20pressure" title="pore pressure">pore pressure</a>, <a href="https://publications.waset.org/abstracts/search?q=fracture%20pressure" title=" fracture pressure"> fracture pressure</a>, <a href="https://publications.waset.org/abstracts/search?q=overburden%20pressure" title=" overburden pressure"> overburden pressure</a>, <a href="https://publications.waset.org/abstracts/search?q=effective%20stress" title=" effective stress"> effective stress</a>, <a href="https://publications.waset.org/abstracts/search?q=drilling%20events" title=" drilling events"> drilling events</a> </p> <a href="https://publications.waset.org/abstracts/161063/fracture-pressure-predict-based-on-well-logs-of-depleted-reservoir-in-southern-iraqi-oilfield" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/161063.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">83</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> The Feasibility of Using Milled Glass Wastes in Concrete to Resist Freezing-Thawing Action</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Raed%20Abendeh">Raed Abendeh</a>, <a href="https://publications.waset.org/abstracts/search?q=Mousa%20Bani%20Baker"> Mousa Bani Baker</a>, <a href="https://publications.waset.org/abstracts/search?q=Zaydoun%20Abu%20Salem"> Zaydoun Abu Salem</a>, <a href="https://publications.waset.org/abstracts/search?q=Hesham%20Ahmad"> Hesham Ahmad</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The using of waste materials in the construction industry can reduce the dependence on the natural aggregates which are going at the end to deplete. The glass waste is generated in a huge amount which can make one of its disposal in concrete industry effective not only as a green solution but also as an advantage to enhance the performance of mechanical properties and durability of concrete. This article reports the performance of concrete specimens containing different percentages of milled glass waste as a partial replacement of cement (Powder), when they are subject to cycles of freezing and thawing. The tests were conducted on 75-mm cubes and 75 x 75 x 300-mm prisms. Compressive strength based on laboratory testing and non-destructive ultrasonic pulse velocity test were performed during the action of freezing-thawing cycles (F/T). The results revealed that the incorporation of glass waste in concrete mixtures is not only feasible but also showed generally better strength and durability performance than control concrete mixture. It may be said that the recycling of waste glass in concrete mixes is not only a disposal way, but also it can be an exploitation in concrete industry. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=durability" title="durability">durability</a>, <a href="https://publications.waset.org/abstracts/search?q=glass%20waste" title=" glass waste"> glass waste</a>, <a href="https://publications.waset.org/abstracts/search?q=freeze-thaw%20cycles" title=" freeze-thaw cycles"> freeze-thaw cycles</a>, <a href="https://publications.waset.org/abstracts/search?q=non-destructive%20test" title=" non-destructive test"> non-destructive test</a> </p> <a href="https://publications.waset.org/abstracts/31024/the-feasibility-of-using-milled-glass-wastes-in-concrete-to-resist-freezing-thawing-action" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/31024.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">376</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> Discrete Group Search Optimizer for the Travelling Salesman Problem</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Raed%20Alnajjar">Raed Alnajjar</a>, <a href="https://publications.waset.org/abstracts/search?q=Mohd%20Zakree"> Mohd Zakree</a>, <a href="https://publications.waset.org/abstracts/search?q=Ahmad%20Nazri"> Ahmad Nazri</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this study, we apply Discrete Group Search Optimizer (DGSO) for solving Traveling Salesman Problem (TSP). The DGSO is a nature inspired optimization algorithm that imitates the animal behavior, especially animal searching behavior. The proposed DGSO uses a vector representation and some discrete operators, such as destruction, construction, differential evolution, swap and insert. The TSP is a well-known hard combinatorial optimization problem, which seeks to find the shortest path among numbers of cities. The performance of the proposed DGSO is evaluated and tested on benchmark instances which listed in LIBTSP dataset. The experimental results show that the performance of the proposed DGSO is comparable with the other methods in the state of the art for some instances. The results show that DGSO outperform Ant Colony System (ACS) in some instances whilst outperform other metaheuristic in most instances. In addition to that, the new results obtained a number of optimal solutions and some best known results. DGSO was able to obtain feasible and good quality solution across all dataset. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=discrete%20group%20search%20optimizer%20%28DGSO%29%3B%20Travelling%20salesman%20problem%20%28TSP%29%3B%20Variable%20neighborhood%20search%28VNS%29" title="discrete group search optimizer (DGSO); Travelling salesman problem (TSP); Variable neighborhood search(VNS)">discrete group search optimizer (DGSO); Travelling salesman problem (TSP); Variable neighborhood search(VNS)</a> </p> <a href="https://publications.waset.org/abstracts/36200/discrete-group-search-optimizer-for-the-travelling-salesman-problem" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/36200.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">11</span> Improving Automotive Efficiency through Lean Management Tools: A Case Study</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Raed%20El-Khalil">Raed El-Khalil</a>, <a href="https://publications.waset.org/abstracts/search?q=Hussein%20Zeaiter"> Hussein Zeaiter</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Managing and improving efficiency in the current highly competitive global automotive industry demands that companies adopt leaner and more flexible systems. During the past 20 years the domestic automotive industry in North America has been focusing on establishing new management strategies in order to meet market demands. 98The lean management process also known as Toyota Manufacturing Process (TPS) or lean manufacturing encompasses tools and techniques that were established in order to provide the best quality product with the fastest lead time at the lowest cost. The following paper presents a study that focused on improving labor efficiency at one of the Big Three (Ford, GM, Chrysler LLC) domestic automotive facility in North America. The objective of the study was to utilize several lean management tools in order to optimize the efficiency and utilization levels at the “Pre-Marriage” chassis area in a truck manufacturing and assembly facility. Utilizing three different lean tools (i.e. Standardization of work, 7 Wastes, and 5S) this research was able to improve efficiency by 51%, utilization by 246%, and reduce operations by 14%. The return on investment calculated based on the improvements made was 284%. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=lean%20manufacturing" title="lean manufacturing">lean manufacturing</a>, <a href="https://publications.waset.org/abstracts/search?q=standardized%20work" title=" standardized work"> standardized work</a>, <a href="https://publications.waset.org/abstracts/search?q=operation%20efficiency" title=" operation efficiency"> operation efficiency</a>, <a href="https://publications.waset.org/abstracts/search?q=utilization" title=" utilization"> utilization</a> </p> <a href="https://publications.waset.org/abstracts/20548/improving-automotive-efficiency-through-lean-management-tools-a-case-study" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/20548.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">519</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> Effect of Social Network Ties on Virtual Organization Success: Mediate Role of Knowledge Sharing Behaviors: An Empirical Study in Tourism Sector Firms in Jordan </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Raed%20Hanandeh">Raed Hanandeh</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This empirical study examines how knowledge sharing behaviors mediate the effect Technology-driven strategy on virtual organization success in Jordanian tourism sector firms. The results reveal that Social network ties are positively related to web knowledge seeking, web knowledge contributing and interactive system, but negatively related to accidental knowledge leakage. Furthermore, all types of knowledge sharing behavior are positively related to virtual organization success. Data collected from 23 firms. The total number of questionnaires mailed, 250 questionnaires were delivered. 214 were considered valid out of 241 Responses were received. The findings provide evidence that knowledge sharing behavior play a mediating role between Social network ties and virtual organization success and show that, web knowledge seeking, web knowledge contributing and interactive system playing an important impact on virtual organization success through knowledge sharing behaviors. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=social%20network%20ties" title="social network ties">social network ties</a>, <a href="https://publications.waset.org/abstracts/search?q=virtual%20organization%20success" title=" virtual organization success"> virtual organization success</a>, <a href="https://publications.waset.org/abstracts/search?q=knowledge%20sharing%20behaviors" title=" knowledge sharing behaviors"> knowledge sharing behaviors</a>, <a href="https://publications.waset.org/abstracts/search?q=web%20knowledge" title=" web knowledge"> web knowledge</a> </p> <a href="https://publications.waset.org/abstracts/59541/effect-of-social-network-ties-on-virtual-organization-success-mediate-role-of-knowledge-sharing-behaviors-an-empirical-study-in-tourism-sector-firms-in-jordan" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/59541.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">273</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">9</span> Measurement and Analysis of Radiation Doses to Radiosensitive Organs from CT Examination of the Cervical Spine Using Radiochromic Films and Monte Carlo Simulation Based Software</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Khaled%20Soliman">Khaled Soliman</a>, <a href="https://publications.waset.org/abstracts/search?q=Abdullah%20Alrushoud"> Abdullah Alrushoud</a>, <a href="https://publications.waset.org/abstracts/search?q=Abdulrahman%20Alkhalifah"> Abdulrahman Alkhalifah</a>, <a href="https://publications.waset.org/abstracts/search?q=Raed%20Albathi"> Raed Albathi</a>, <a href="https://publications.waset.org/abstracts/search?q=Salman%20Altymiat"> Salman Altymiat</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Radiation dose received by patients undergoing Computed Tomography (CT) examination of the cervical spine was evaluated using Gafchromic XR-QA2 films and CT-EXPO software (ver. 2.3), in order to document our clinical dose values and to compare our results with other benchmarks reported in the current literature. Radiochromic films were recently used as practical dosimetry tool that provides dose profile information not available using the standard ionisation chamber routinely used in CT dosimetry. We have developed an in-house program to use the films in order to calculate the Entrance Dose Length Product (EDLP) in (mGy.cm) and to relate the EDLP to various organ doses calculated using the CT-EXPO software. We also calculated conversion factor in (mSv/mGy.cm) relating the EDLP to the effective dose (ED) from the examination using CT-EXPO software. Variability among different types of CT scanners and dose modulation methods are reported from at least three major CT brands available at our medical institution. Our work describes the dosimetry method and results are reported. The method can be used as in-vivo dosimetry method. But this work only reports results obtained from adult female anthropomorphic Phantom studies. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=CT%20dosimetry" title="CT dosimetry">CT dosimetry</a>, <a href="https://publications.waset.org/abstracts/search?q=gafchromic%20films" title=" gafchromic films"> gafchromic films</a>, <a href="https://publications.waset.org/abstracts/search?q=XR-QA2" title=" XR-QA2"> XR-QA2</a>, <a href="https://publications.waset.org/abstracts/search?q=CT-Expo%20software" title=" CT-Expo software"> CT-Expo software</a> </p> <a href="https://publications.waset.org/abstracts/37882/measurement-and-analysis-of-radiation-doses-to-radiosensitive-organs-from-ct-examination-of-the-cervical-spine-using-radiochromic-films-and-monte-carlo-simulation-based-software" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/37882.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">471</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> Wellbore Stability Evaluation of Ratawi Shale Formation</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Raed%20Hameed%20Allawi">Raed Hameed Allawi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Wellbore instability problems are considered the majority challenge for several wells in the Ratawi shale formation. However, it results in non-productive (NPT) time and increased well-drilling expenditures. This work aims to construct an integrated mechanical earth model (MEM) to predict the wellbore failure and design optimum mud weight to improve the drilling efficiency of future wells. The MEM was based on field data, including open-hole wireline logging and measurement data. Several failure criteria were applied in this work, including Modified Lade, Mogi-Coulomb, and Mohr-Coulomb that utilized to calculate the proper mud weight and practical drilling paths and orientations. Results showed that the leading cause of wellbore instability problems was inadequate mud weight. Moreover, some improper drilling practices and heterogeneity of Ratawi formation were additional causes of the increased risk of wellbore instability. Therefore, the suitable mud weight for safe drilling in the Ratawi shale formation should be 11.5-13.5 ppg. Furthermore, the mud weight should be increased as required depending on the trajectory of the planned well. The outcome of this study is as practical tools to reduce non-productive time and well costs and design future neighboring deviated wells to get high drilling efficiency. In addition, the current results serve as a reference for similar fields in that region because of the lacking of published studies regarding wellbore instability problems of the Ratawi Formation in southern Iraqi oilfields. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=wellbore%20stability" title="wellbore stability">wellbore stability</a>, <a href="https://publications.waset.org/abstracts/search?q=hole%20collapse" title=" hole collapse"> hole collapse</a>, <a href="https://publications.waset.org/abstracts/search?q=horizontal%20stress" title=" horizontal stress"> horizontal stress</a>, <a href="https://publications.waset.org/abstracts/search?q=MEM" title=" MEM"> MEM</a>, <a href="https://publications.waset.org/abstracts/search?q=mud%20window" title=" mud window"> mud window</a> </p> <a href="https://publications.waset.org/abstracts/159169/wellbore-stability-evaluation-of-ratawi-shale-formation" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/159169.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">191</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">7</span> Factors Affecting the Adoption of Cloud Business Intelligence among Healthcare Sector: A Case Study of Saudi Arabia</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Raed%20Alsufyani">Raed Alsufyani</a>, <a href="https://publications.waset.org/abstracts/search?q=Hissam%20Tawfik"> Hissam Tawfik</a>, <a href="https://publications.waset.org/abstracts/search?q=Victor%20Chang"> Victor Chang</a>, <a href="https://publications.waset.org/abstracts/search?q=Muthu%20Ramachandran"> Muthu Ramachandran</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This study investigates the factors that influence the decision by players in the healthcare sector to embrace Cloud Business Intelligence Technology with a focus on healthcare organizations in Saudi Arabia. To bring this matter into perspective, this study primarily considers the Technology-Organization-Environment (TOE) framework and the Human Organization-Technology (HOT) fit model. A survey was hypothetically designed based on literature review and was carried out online. Quantitative data obtained was processed from descriptive and one-way frequency statistics to inferential and regression analysis. Data were analysed to establish factors that influence the decision to adopt Cloud Business intelligence technology in the healthcare sector. The implication of the identified factors was measured, and all assumptions were tested. 66.70% of participants in healthcare organization backed the intention to adopt cloud business intelligence system. 99.4% of these participants considered security concerns and privacy risk have been the most significant factors in the adoption of cloud Business Intelligence (CBI) system. Through regression analysis hypothesis testing point that usefulness, service quality, relative advantage, IT infrastructure preparedness, organization structure; vendor support, perceived technical competence, government support, and top management support positively and significantly influence the adoption of (CBI) system. The paper presents quantitative phase that is a part of an on-going project. The project will be based on the consequences learned from this study. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=cloud%20computing" title="cloud computing">cloud computing</a>, <a href="https://publications.waset.org/abstracts/search?q=business%20intelligence" title=" business intelligence"> business intelligence</a>, <a href="https://publications.waset.org/abstracts/search?q=HOT-fit%20model" title=" HOT-fit model"> HOT-fit model</a>, <a href="https://publications.waset.org/abstracts/search?q=TOE" title=" TOE"> TOE</a>, <a href="https://publications.waset.org/abstracts/search?q=healthcare%20and%20innovation%20adoption" title=" healthcare and innovation adoption"> healthcare and innovation adoption</a> </p> <a href="https://publications.waset.org/abstracts/86309/factors-affecting-the-adoption-of-cloud-business-intelligence-among-healthcare-sector-a-case-study-of-saudi-arabia" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/86309.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">169</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> Modeling the Reliability of a Fuel Cell and the Influence of Mechanical Aspects on the Production of Electrical Energy</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Raed%20Kouta">Raed Kouta</a> </p> <p class="card-text"><strong>Abstract:</strong></p> A fuel cell is a multi-physical system. Its electrical performance depends on chemical, electrochemical, fluid, and mechanical parameters. Many studies focus on physical and chemical aspects. Our study contributes to the evaluation of the influence of mechanical aspects on the performance of a fuel cell. This study is carried out as part of a reliability approach. Reliability modeling allows to consider the uncertainties of the incoming parameters and the probabilistic modeling of the outgoing parameters. The fuel cell studied is the one often used in land, sea, or air transport. This is the Low-Temperature Proton Exchange Membrane Fuel Cell (PEMFC). This battery can provide the required power level. One of the main scientific and technical challenges in mastering the design and production of a fuel cell is to know its behavior in its actual operating environment. The study proposes to highlight the influence on the production of electrical energy: Mechanical design and manufacturing parameters and their uncertainties (Young module, GDL porosity, permeability, etc.). The influence of the geometry of the bipolar plates is also considered. An experimental design is proposed with two types of materials as well as three geometric shapes for three joining pressures. Other experimental designs are also proposed for studying the influence of uncertainties of mechanical parameters on cell performance. - Mechanical (static, dynamic) and thermal (tightening - compression, vibrations (road rolling and tests on vibration-climatic bench, etc.) loads. This study is also carried out according to an experimental scheme on a fuel cell system for vibration loads recorded on a vehicle test track with three temperatures and three expected performance levels. The work will improve the coupling between mechanical, physical, and chemical phenomena. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=fuel%20cell" title="fuel cell">fuel cell</a>, <a href="https://publications.waset.org/abstracts/search?q=mechanic" title=" mechanic"> mechanic</a>, <a href="https://publications.waset.org/abstracts/search?q=reliability" title=" reliability"> reliability</a>, <a href="https://publications.waset.org/abstracts/search?q=uncertainties" title=" uncertainties"> uncertainties</a> </p> <a href="https://publications.waset.org/abstracts/118909/modeling-the-reliability-of-a-fuel-cell-and-the-influence-of-mechanical-aspects-on-the-production-of-electrical-energy" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/118909.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">188</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> Towards Sustainable Construction in the United Arab Emirates: Challenges and Opportunities</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Yousef%20Alqaryouti">Yousef Alqaryouti</a>, <a href="https://publications.waset.org/abstracts/search?q=Mariam%20Al%20Suwaidi"> Mariam Al Suwaidi</a>, <a href="https://publications.waset.org/abstracts/search?q=Raed%20Mohmood%20AlKhuwaildi"> Raed Mohmood AlKhuwaildi</a>, <a href="https://publications.waset.org/abstracts/search?q=Hind%20Kolthoum"> Hind Kolthoum</a>, <a href="https://publications.waset.org/abstracts/search?q=Issa%20Youssef"> Issa Youssef</a>, <a href="https://publications.waset.org/abstracts/search?q=Mohammed%20Al%20Imam"> Mohammed Al Imam</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The UAE has experienced rapid economic growth due to its mature oil production industry, leading to a surge in urbanization and infrastructure development in the construction sector. Sustainable development practices are becoming increasingly important, and the UAE government has taken proactive measures to promote them, including the introduction of sustainable building codes, energy-efficient technologies, and renewable energy sources. Initiatives such as the Masdar City project and the Emirates Green Building Council further demonstrate the government's commitment to a cleaner and healthier environment. By adopting sustainable practices, the UAE can reduce its carbon footprint, lessen its reliance on fossil fuels, and achieve cost savings in the long run. The purpose of this paper is to conduct a thorough review of the current state of sustainability in the construction industry of the UAE. Our research methodology includes a local market survey and qualitative observational analysis of executed housing construction projects by the Mohammed Bin Rashid Housing Establishment. The market survey assesses eleven different challenging factors that affect sustainable construction project delivery. The qualitative observational research is based on data collected from three projects, including construction progress, bill of quantity, and construction program. The study concludes that addressing these challenges requires a collaborative team approach, incentivized contracts, traditional project management practices, an integrated project team, and an increase in sustainability awareness among stakeholders. The recommendations proposed in this study aim to promote and improve the application of sustainability in the UAE's construction industry for the future. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=sustainability" title="sustainability">sustainability</a>, <a href="https://publications.waset.org/abstracts/search?q=construction" title=" construction"> construction</a>, <a href="https://publications.waset.org/abstracts/search?q=challenges" title=" challenges"> challenges</a>, <a href="https://publications.waset.org/abstracts/search?q=opportunities" title=" opportunities"> opportunities</a>, <a href="https://publications.waset.org/abstracts/search?q=case%20study" title=" case study"> case study</a>, <a href="https://publications.waset.org/abstracts/search?q=market%20survey" title=" market survey"> market survey</a> </p> <a href="https://publications.waset.org/abstracts/181140/towards-sustainable-construction-in-the-united-arab-emirates-challenges-and-opportunities" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/181140.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">56</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">4</span> Isolation Enhancement of Compact Dual-Band Printed Multiple Input Multiple Output Antenna for WLAN Applications</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Adham%20M.%20Salah">Adham M. Salah</a>, <a href="https://publications.waset.org/abstracts/search?q=Tariq%20A.%20Nagem"> Tariq A. Nagem</a>, <a href="https://publications.waset.org/abstracts/search?q=Raed%20A.%20Abd-Alhameed"> Raed A. Abd-Alhameed</a>, <a href="https://publications.waset.org/abstracts/search?q=James%20M.%20Noras"> James M. Noras</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Recently, the demand for wireless communications systems to cover more than one frequency band (multi-band) with high data rate has been increased for both fixed and mobile services. Multiple Input Multiple Output (MIMO) technology is one of the significant solutions for attaining these requirements and to achieve the maximum channel capacity of the wireless communications systems. The main issue associated with MIMO antennas especially in portable devices is the compact space between the radiating elements which leads to limit the physical separation between them. This issue exacerbates the performance of the MIMO antennas by increasing the mutual coupling between the radiating elements. In other words, the mutual coupling will be stronger if the radiating elements of the MIMO antenna are closer. This paper presents a low–profile dual-band (2×1) MIMO antenna that works at 2.4GHz, 5.3GHz and 5.8GHz for wireless local area networks (WLAN) applications. A neutralization line (NL) technique for enhancing the isolation has been used by introducing a strip line with a length of λg/4 at the isolation frequency (2.4GHz) between the radiating elements. The overall dimensions of the antenna are 33.5 x 36 x 1.6 mm³. The fabricated prototype shows a good agreement between the simulated and measured results. The antenna impedance bandwidths are 2.38–2.75 GHz and 4.4–6 GHz for the lower and upper band respectively; the reflection coefficient and mutual coupling are better than -25 dB in both lower and higher bands. The MIMO antenna performance characteristics are reported in terms of the scattering parameters, envelope correlation coefficient (ECC), total active reflection coefficient, capacity loss, antenna gain, and radiation patterns. Analysis of these characteristics indicates that the design is appropriate for the WLAN terminal applications. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=ECC" title="ECC">ECC</a>, <a href="https://publications.waset.org/abstracts/search?q=neutralization%20line" title=" neutralization line"> neutralization line</a>, <a href="https://publications.waset.org/abstracts/search?q=MIMO%20antenna" title=" MIMO antenna"> MIMO antenna</a>, <a href="https://publications.waset.org/abstracts/search?q=multi-band" title=" multi-band"> multi-band</a>, <a href="https://publications.waset.org/abstracts/search?q=mutual%20coupling" title=" mutual coupling"> mutual coupling</a>, <a href="https://publications.waset.org/abstracts/search?q=WLAN" title=" WLAN"> WLAN</a> </p> <a href="https://publications.waset.org/abstracts/105683/isolation-enhancement-of-compact-dual-band-printed-multiple-input-multiple-output-antenna-for-wlan-applications" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/105683.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">133</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">3</span> Development of Solid Electrolytes Based on Networked Cellulose</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Boor%20Singh%20Lalia">Boor Singh Lalia</a>, <a href="https://publications.waset.org/abstracts/search?q=Yarjan%20Abdul%20Samad"> Yarjan Abdul Samad</a>, <a href="https://publications.waset.org/abstracts/search?q=Raed%20Hashaikeh"> Raed Hashaikeh</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Three different kinds of solid polymer electrolytes were prepared using polyethylene oxide (PEO) as a base polymer, networked cellulose (NC) as a physical support and LiClO4 as a conductive salt for the electrolytes. Networked cellulose, a modified form of cellulose, is a biodegradable and environmentally friendly additive which provides a strong fibrous networked support for structural stability of the electrolytes. Although the PEO/NC/LiClO4 electrolyte retains its structural integrity and mechanical properties at 100oC as compared to pristine PEO-based polymer electrolytes, it suffers from poor ionic conductivity. To improve the room temperature conductivity of the electrolyte, PEO is replaced by the polyethylene glycol (PEG) which is a liquid phase that provides high mobility for Li+ ions transport in the electrolyte. PEG/NC/LiClO4 shows improvement in ionic conductivity compared to PEO/NC/LiClO4 at room temperature, but it is brittle and tends to form cracks during processing. An advanced solid polymer electrolyte with optimum ionic conductivity and mechanical properties is developed by using a ternary system: TEGDME/PEO/NC+LiClO4. At room temperature, this electrolyte exhibits an ionic conductivity to the order of 10-5 S/cm, which is very high compared to that of the PEO/LiClO4 electrolyte. Pristine PEO electrolytes start melting at 65 °C and completely lose its mechanical strength. Dynamic mechanical analysis of TEGDME: PEO: NC (70:20:10 wt%) showed an improvement of storage modulus as compared to the pristine PEO in the 60–120 °C temperature range. Also, with an addition of NC, the electrolyte retains its mechanical integrity at 100 oC which is beneficial for Li-ion battery operation at high temperatures. Differential scanning calorimetry (DSC) and thermal gravimetry analysis (TGA) studies revealed that the ternary polymer electrolyte is thermally stable in the lithium ion battery operational temperature range. As-prepared polymer electrolyte was used to assemble LiFePO4/ TEGDME/PEO/NC+LiClO4/Li half cells and their electrochemical performance was studied via cyclic voltammetry and charge-discharge cycling. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=solid%20polymer%20electrolyte" title="solid polymer electrolyte">solid polymer electrolyte</a>, <a href="https://publications.waset.org/abstracts/search?q=ionic%20conductivity" title=" ionic conductivity"> ionic conductivity</a>, <a href="https://publications.waset.org/abstracts/search?q=mechanical%20properties" title=" mechanical properties"> mechanical properties</a>, <a href="https://publications.waset.org/abstracts/search?q=lithium%20ion%20batteries" title=" lithium ion batteries"> lithium ion batteries</a>, <a href="https://publications.waset.org/abstracts/search?q=cyclic%20voltammetry" title=" cyclic voltammetry"> cyclic voltammetry</a> </p> <a href="https://publications.waset.org/abstracts/22354/development-of-solid-electrolytes-based-on-networked-cellulose" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/22354.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">429</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">2</span> Dynamic Reliability for a Complex System and Process: Application on Offshore Platform in Mozambique</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Raed%20KOUTA">Raed KOUTA</a>, <a href="https://publications.waset.org/abstracts/search?q=Jos%C3%A9-Alcebiades-Ernesto%20HLUNGUANE"> José-Alcebiades-Ernesto HLUNGUANE</a>, <a href="https://publications.waset.org/abstracts/search?q=Eric%20Ch%C3%A2tele"> Eric Châtele</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The search for and exploitation of new fossil energy resources is taking place in the context of the gradual depletion of existing deposits. Despite the adoption of international targets to combat global warming, the demand for fuels continues to grow, contradicting the movement towards an energy-efficient society. The increase in the share of offshore in global hydrocarbon production tends to compensate for the depletion of terrestrial reserves, thus constituting a major challenge for the players in the sector. Through the economic potential it represents, and the energy independence it provides, offshore exploitation is also a challenge for States such as Mozambique, which have large maritime areas and whose environmental wealth must be considered. The exploitation of new reserves on economically viable terms depends on available technologies. The development of deep and ultra-deep offshore requires significant research and development efforts. Progress has also been made in managing the multiple risks inherent in this activity. Our study proposes a reliability approach to develop products and processes designed to live at sea. Indeed, the context of an offshore platform requires highly reliable solutions to overcome the difficulties of access to the system for regular maintenance and quick repairs and which must resist deterioration and degradation processes. One of the characteristics of failures that we consider is the actual conditions of use that are considered 'extreme.' These conditions depend on time and the interactions between the different causes. These are the two factors that give the degradation process its dynamic character, hence the need to develop dynamic reliability models. Our work highlights mathematical models that can explicitly manage interactions between components and process variables. These models are accompanied by numerical resolution methods that help to structure a dynamic reliability approach in a physical and probabilistic context. The application developed makes it possible to evaluate the reliability, availability, and maintainability of a floating storage and unloading platform for liquefied natural gas production. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=dynamic%20reliability" title="dynamic reliability">dynamic reliability</a>, <a href="https://publications.waset.org/abstracts/search?q=offshore%20plateform" title=" offshore plateform"> offshore plateform</a>, <a href="https://publications.waset.org/abstracts/search?q=stochastic%20process" title=" stochastic process"> stochastic process</a>, <a href="https://publications.waset.org/abstracts/search?q=uncertainties" title=" uncertainties"> uncertainties</a> </p> <a href="https://publications.waset.org/abstracts/118930/dynamic-reliability-for-a-complex-system-and-process-application-on-offshore-platform-in-mozambique" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/118930.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">120</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">1</span> Social and Economic Challenges of Adopting Sustainable Urban Development in Developing Economy: A Stakeholder's Perception</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Raed%20Fawzi%20Mohammed%20Ameen">Raed Fawzi Mohammed Ameen</a>, <a href="https://publications.waset.org/abstracts/search?q=Haider%20I.%20Alyasari"> Haider I. Alyasari</a>, <a href="https://publications.waset.org/abstracts/search?q=Maryam%20Altaweel"> Maryam Altaweel </a> </p> <p class="card-text"><strong>Abstract:</strong></p> Due to rapid urbanization, developing countries faced significant urban challenges that accompanied the population growth such as the inability to provide adequate housing; sustain human and community's health and wellbeing; ensure the safety in urban areas; the prevalence corruption; lack of jobs; and a shortage of investment. The destruction, degradation, and lack of planning are acute in countries such as Iraq that have suffered for more than four decades because of war and international sanctions, resulting in severe damages to the ecology sector, social utilities, housing, infrastructure, as well as the disruption of the economic sector. Many of significant urban development, housing, and regeneration projects are currently underway in different regions in Iraq, labelled as a means to reform the environmental, social, and economic sectors. However, most often with absence of public participation. Hence, there is an urgent need for understanding public perception, especially of urban socio-economic challenges, which represents a crucial concern for many planners, designers, and policy-makers in order to develop effective policies in addition to increasing their participation. The aim of this study is to investigate stakeholder perceptions of the socio-economic challenges of urban development and their priorities in the all Iraqi provinces. A nationwide questionnaire has been conducted (N = 643) across Iraq, using 19- item structured questionnaire where the stakeholder’s perspectives were collected on a 5-point Likert-type scale. The indicators were identified through deep investigation in previous studies. Principal component analysis (PCA) and statistical tests were utilized to the collected responses in order to investigate the linkage between the perceptions of socio- economic challenges and demographic factors. A high value of internal consistency and reliability of the instrument has been achieved (Cronbach’s alpha= 0.867). Five principal components have been identified, namely: economic, cultural aspects, design context, employment, security and housing demands. The item ‘safety of public places' was ranked as the most important, followed by the items 'minimize unplanned housing', and ‘provision of affordable housing’, respectively. Promote high-rise housing from the housing demands group, was ranked the lowest component between all indicators. 'Using sustainable local materials in construction' item had the second lowest mean score. The results also illustrate a link between deficiencies in the social and economic infrastructure because of the destruction and degradation caused by political instability in Iraq in the last few decades. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=public%20participation%20in%20development" title="public participation in development">public participation in development</a>, <a href="https://publications.waset.org/abstracts/search?q=socio-economic%20challenges" title=" socio-economic challenges"> socio-economic challenges</a>, <a href="https://publications.waset.org/abstracts/search?q=urban%20development" title=" urban development"> urban development</a>, <a href="https://publications.waset.org/abstracts/search?q=urban%20sustainability" title=" urban sustainability"> urban sustainability</a> </p> <a href="https://publications.waset.org/abstracts/95548/social-and-economic-challenges-of-adopting-sustainable-urban-development-in-developing-economy-a-stakeholders-perception" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/95548.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">135</span> </span> </div> </div> </div> </main> <footer> <div id="infolinks" class="pt-3 pb-2"> <div class="container"> <div style="background-color:#f5f5f5;" class="p-3"> <div class="row"> <div class="col-md-2"> <ul class="list-unstyled"> About <li><a href="https://waset.org/page/support">About Us</a></li> <li><a href="https://waset.org/page/support#legal-information">Legal</a></li> <li><a target="_blank" rel="nofollow" href="https://publications.waset.org/static/files/WASET-16th-foundational-anniversary.pdf">WASET celebrates its 16th foundational 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