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Al-Jashamy</title> <meta name="description" content="Search results for: Karim Al-Jashamy"> <meta name="keywords" content="Karim Al-Jashamy"> <meta name="viewport" content="width=device-width, initial-scale=1, minimum-scale=1, maximum-scale=1, user-scalable=no"> <meta charset="utf-8"> <link href="https://cdn.waset.org/favicon.ico" type="image/x-icon" rel="shortcut icon"> <link href="https://cdn.waset.org/static/plugins/bootstrap-4.2.1/css/bootstrap.min.css" rel="stylesheet"> <link href="https://cdn.waset.org/static/plugins/fontawesome/css/all.min.css" rel="stylesheet"> <link href="https://cdn.waset.org/static/css/site.css?v=150220211555" rel="stylesheet"> </head> <body> <header> <div class="container"> <nav class="navbar navbar-expand-lg navbar-light"> <a class="navbar-brand" href="https://waset.org"> <img src="https://cdn.waset.org/static/images/wasetc.png" alt="Open Science Research Excellence" title="Open Science Research Excellence" /> </a> <button class="d-block d-lg-none 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action="https://publications.waset.org/abstracts/search"> <div id="custom-search-input"> <div class="input-group"> <i class="fas fa-search"></i> <input type="text" class="search-query" name="q" placeholder="Author, Title, Abstract, Keywords" value="Karim Al-Jashamy"> <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> 172</div> </div> </div> </div> <h1 class="mt-3 mb-3 text-center" style="font-size:1.6rem;">Search results for: Karim Al-Jashamy</h1> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">172</span> The Impact of Teachers’ Beliefs and Perceptions about Formative Assessment in the University ESL Class Assistant Lecturer: Barzan Hadi Hama Karim University of Halabja</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Barzan%20Hadi%20Hama%20Karim">Barzan Hadi Hama Karim</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The topic of formative assessment and its implementation in Iraqi Kurdistan have not attracted the attention of researchers and educators. Teachers’ beliefs about formative assessment as well as their assessment roles have remained unexplored. This paper reports on the research results of our survey which is conducted in 20014 to examine issues relating to formative assessment in the university ESL classroom settings. The paper portrays the findings of a qualitative study on the formative assessment role and beliefs of a group of teachers of English as a Foreign Language (EFL) in the departments of English Languages in Iraqi Kurdistan universities. Participants of the study are 25 Kurdish EFL teachers from different departments of English languages. Close-ended and open-ended questionnaire is used to collect teacher’s beliefs and perceptions about the importance of formative assessment to improve the process of teaching and learning English language. The result of the study shows that teachers do not play a significant role in the assessment process because of top-down managerial approaches and educational system. The results prove that the teachers’ assessment beliefs and their key role in assessment should not be neglected. Our research papers pursued the following questions: What is the nature of formative assessment in a second language classroom setting? Do the teacher’s assessment practices reflect what she thinks about formative assessment? What are the teachers’ perceptions regarding the benefits of formative assessment for teaching and learning English language at the university level? <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=formative%20assessment" title="formative assessment">formative assessment</a>, <a href="https://publications.waset.org/abstracts/search?q=teachers%E2%80%99%20beliefs%20and%20perceptions" title=" teachers’ beliefs and perceptions"> teachers’ beliefs and perceptions</a>, <a href="https://publications.waset.org/abstracts/search?q=assessment" title=" assessment"> assessment</a>, <a href="https://publications.waset.org/abstracts/search?q=education%20reform" title=" education reform"> education reform</a>, <a href="https://publications.waset.org/abstracts/search?q=ESL" title=" ESL"> ESL</a> </p> <a href="https://publications.waset.org/abstracts/25935/the-impact-of-teachers-beliefs-and-perceptions-about-formative-assessment-in-the-university-esl-class-assistant-lecturer-barzan-hadi-hama-karim-university-of-halabja" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/25935.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">402</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">171</span> The Construct of Assessment Instrument for Value, Attitude and Professionalism among Students Faculty of Sports Science and Coaching</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ahmad%20Hashim">Ahmad Hashim</a>, <a href="https://publications.waset.org/abstracts/search?q=Thariq%20Khan%20Azizuddin%20Khan"> Thariq Khan Azizuddin Khan</a>, <a href="https://publications.waset.org/abstracts/search?q=Zulakbal%20Abd%20Karim"> Zulakbal Abd Karim</a>, <a href="https://publications.waset.org/abstracts/search?q=Nohazira%20Abdul%20Karim"> Nohazira Abdul Karim</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This research aims to obtain the validity and reliability of a survey instrument to evaluate the values, attitudes, and professionalism of sports science students, from the Faculty of Sports Science and Coaching, Universiti Pendidikan Sultan Idris (UPSI). It is a survey which is divided into two components namely first; moral, self-esteem, proactive, self-reliant and voluntary and second; ethics and professionalism. Development of the survey instrument is based on the Malaysian Education Development Plan, Higher Education Malaysia. There are 50 items prepared based on the five-point Likert scale which were tested at the pilot test level. It involved 212 research subjects selected based on random sampling. In addition, the research method applied is in the form of pre-experimental one group pre-test-post-test. Results of the analysis showed that overall field expert validity is r = .89, while the Cronbach alpha reliability correlation value of outdoor education instrument evaluation survey is r = .85. Next, this survey was tested again for construct validity using the factor analysis method for statistical analysis which would validate each item tested was supposed to be in the right component. From the analysis, results show that Bartlett's test is significant p < .05 and Kaiser-Meyer-Olkin index range is r = .87. The result showed 39 survey items are produced out of 50 items of the survey based on this factor analysis method. Research has shown that the survey instrument developed is valid and reliable to be used for the Faculty of Sports Sciences and Coaching, UPSI. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=values" title="values">values</a>, <a href="https://publications.waset.org/abstracts/search?q=attitudes" title=" attitudes"> attitudes</a>, <a href="https://publications.waset.org/abstracts/search?q=professionalism" title=" professionalism"> professionalism</a>, <a href="https://publications.waset.org/abstracts/search?q=ethics" title=" ethics"> ethics</a>, <a href="https://publications.waset.org/abstracts/search?q=professionalism" title=" professionalism"> professionalism</a> </p> <a href="https://publications.waset.org/abstracts/106346/the-construct-of-assessment-instrument-for-value-attitude-and-professionalism-among-students-faculty-of-sports-science-and-coaching" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/106346.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">170</span> Classification of Attacks Over Cloud Environment</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Karim%20Abouelmehdi">Karim Abouelmehdi</a>, <a href="https://publications.waset.org/abstracts/search?q=Loubna%20Dali"> Loubna Dali</a>, <a href="https://publications.waset.org/abstracts/search?q=Elmoutaoukkil%20Abdelmajid"> Elmoutaoukkil Abdelmajid</a>, <a href="https://publications.waset.org/abstracts/search?q=Hoda%20Elsayed"> Hoda Elsayed</a>, <a href="https://publications.waset.org/abstracts/search?q=Eladnani%20Fatiha"> Eladnani Fatiha</a>, <a href="https://publications.waset.org/abstracts/search?q=Benihssane%20Abderahim"> Benihssane Abderahim</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The security of cloud services is the concern of cloud service providers. In this paper, we will mention different classifications of cloud attacks referred by specialized organizations. Each agency has its classification of well-defined properties. The purpose is to present a high-level classification of current research in cloud computing security. This classification is organized around attack strategies and corresponding defenses. <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=classification" title=" classification"> classification</a>, <a href="https://publications.waset.org/abstracts/search?q=risk" title=" risk"> risk</a>, <a href="https://publications.waset.org/abstracts/search?q=security" title=" security"> security</a> </p> <a href="https://publications.waset.org/abstracts/31849/classification-of-attacks-over-cloud-environment" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/31849.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">548</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">169</span> Characterization of CuO Incorporated CMOS Dielectric for Fast Switching System</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Nissar%20Mohammad%20Karim">Nissar Mohammad Karim</a>, <a href="https://publications.waset.org/abstracts/search?q=Norhayati%20Soin"> Norhayati Soin</a> </p> <p class="card-text"><strong>Abstract:</strong></p> To ensure fast switching in high-K incorporated Complementary Metal Oxide Semiconductor (CMOS) transistors, the results on the basis of d (NBTI) by incorporating SiO2 dielectric with aged samples of CuO sol-gels have been reported. Precursor ageing has been carried out for 4 days. The minimum obtained refractive index is 1.0099 which was found after 3 hours of adhesive UV curing. Obtaining a low refractive index exhibits a low dielectric constant and hence a faster system. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=refractive%20index" title="refractive index">refractive index</a>, <a href="https://publications.waset.org/abstracts/search?q=Sol-Gel" title=" Sol-Gel"> Sol-Gel</a>, <a href="https://publications.waset.org/abstracts/search?q=precursor%20aging" title=" precursor aging"> precursor aging</a>, <a href="https://publications.waset.org/abstracts/search?q=aging" title=" aging "> aging </a> </p> <a href="https://publications.waset.org/abstracts/18115/characterization-of-cuo-incorporated-cmos-dielectric-for-fast-switching-system" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/18115.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">477</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">168</span> Halotolerant Phosphates Solubilizing Bacteria Isolated from Phosphate Solid Sludge and Their Efficiency in Potassium, Zinc Solubilization, and Promoting Wheat (Triticum Durum 'karim') Germination</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=F.%20Z.%20Aliyat">F. Z. Aliyat</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20El%20Guilli"> M. El Guilli</a>, <a href="https://publications.waset.org/abstracts/search?q=L.%20Nassiri"> L. Nassiri</a>, <a href="https://publications.waset.org/abstracts/search?q=J.%20Ibijbijen"> J. Ibijbijen</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Climate change is becoming a crucial factor that can significantly impact all ecosystems. It has a negative impact on the environment in many parts of the planet. Agriculture is the main sector affected by climate change. Particularly, the salinity of agricultural soils is among the problems caused by climate change. The use of phosphate solubilizing bacteria (PSB) as a biofertilizer requires previous research on their tolerance to abiotic stress, specifically saline stress tolerance, before the formation of biofertilizers. In this context, the main goal of this research was to assess the salinity tolerance of four strains: Serratia rubidaea strain JCM1240, Enterobacter bugandensis strain 247BMC, Pantoea agglomerans strain ATCC 27155, Pseudomonas brassicacearum subsp. Neoaurantiaca strain CIP109457, which was isolated from solid phosphate sludge. Additionally, their capacity to solubilize potassium and zinc, as well as their effect on Wheat (Triticum Durum 'Karim') germination. The four PSB strains were tested for their ability to solubilize phosphate in NBRIP medium with tricalcium phosphate (TCP) as the sole source of phosphorus under salt stress. Five concentrations of NaCl were used (0%, 0.5%, 1%, 2.5%, 5%). Their phosphate solubilizing activity was estimated by the vanadate-molybdate method. The potassium and zinc solubilization has been tested qualitatively and separately on solid media with mica and zinc oxide as the only sources of potassium and zinc, respectively. The result showed that the solubilization decreases with the increase in the concentration of NaCl; all the strains solubilize the TCP even with 5% NaCl, with a significant difference among the four strains. The Serratia rubidaea strain was the most tolerant strain. In addition, the four strains solubilize the potassium and the zinc. The Serratia rubidaea strain was the most efficient. Therefore, biofertilization with PSB salt-tolerant strains could be a climate-change-preparedness strategy for agriculture in salt soil. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=bioavailability%20of%20mineral%20nutrients" title="bioavailability of mineral nutrients">bioavailability of mineral nutrients</a>, <a href="https://publications.waset.org/abstracts/search?q=phosphate%20solid%20sludge%3B%20phosphate%20solubilization" title=" phosphate solid sludge; phosphate solubilization"> phosphate solid sludge; phosphate solubilization</a>, <a href="https://publications.waset.org/abstracts/search?q=potassium%20solubilization" title=" potassium solubilization"> potassium solubilization</a>, <a href="https://publications.waset.org/abstracts/search?q=salt%20stress" title=" salt stress"> salt stress</a>, <a href="https://publications.waset.org/abstracts/search?q=zinc%20solubilization." title=" zinc solubilization."> zinc solubilization.</a> </p> <a href="https://publications.waset.org/abstracts/156937/halotolerant-phosphates-solubilizing-bacteria-isolated-from-phosphate-solid-sludge-and-their-efficiency-in-potassium-zinc-solubilization-and-promoting-wheat-triticum-durum-karim-germination" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/156937.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">85</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">167</span> Characterizing of CuO Incorporated CMOS Dielectric for Fast Switching System</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Nissar%20Mohammad%20Karim">Nissar Mohammad Karim</a>, <a href="https://publications.waset.org/abstracts/search?q=Norhayati%20Soin"> Norhayati Soin</a> </p> <p class="card-text"><strong>Abstract:</strong></p> To ensure fast switching in high-K incorporated Complementary Metal Oxide Semiconductor (CMOS) transistors, the results on the basis of d (NBTI) by incorporating SiO2 dielectric with aged samples of CuO sol-gels have been reported. Precursor ageing has been carried out for 4 days. The minimum obtained refractive index is 1.0099 which was found after 3 hours of adhesive UV curing. Obtaining a low refractive index exhibits a low dielectric constant and hence a faster system. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=refractive%20index" title="refractive index">refractive index</a>, <a href="https://publications.waset.org/abstracts/search?q=sol-gel" title=" sol-gel"> sol-gel</a>, <a href="https://publications.waset.org/abstracts/search?q=precursor%20ageing" title=" precursor ageing"> precursor ageing</a>, <a href="https://publications.waset.org/abstracts/search?q=metallurgical%20and%20materials%20engineering" title=" metallurgical and materials engineering"> metallurgical and materials engineering</a> </p> <a href="https://publications.waset.org/abstracts/16951/characterizing-of-cuo-incorporated-cmos-dielectric-for-fast-switching-system" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/16951.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">388</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">166</span> Statistical Study and Simulation of 140 Kv X– Ray Tube by Monte Carlo</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mehdi%20Homayouni">Mehdi Homayouni</a>, <a href="https://publications.waset.org/abstracts/search?q=Karim%20Adinehvand"> Karim Adinehvand</a>, <a href="https://publications.waset.org/abstracts/search?q=Bakhtiar%20Azadbakht"> Bakhtiar Azadbakht</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this study, we used Monte Carlo code (MCNP4C) that is a general method, for simulation, electron source and electric field, a disc source with 0.05 cm radius in direct of anode are used, radius of disc source show focal spot of X-ray tube that here is 0.05 cm. In this simulation, the anode is from tungsten with 18.9 g/cm3 density and angle of the anode is 18°. We simulated X-ray tube for 140 kv. For increasing of speed data acquisition, we use F5 tally. With determination the exact position of F5 tally in the program, outputs are acquired. In this spectrum the start point is about 0.02 Mev, the absorption edges are about 0.06 Mev and 0.07 Mev, and average energy is about 0.05 Mev. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=X-spectrum" title="X-spectrum">X-spectrum</a>, <a href="https://publications.waset.org/abstracts/search?q=simulation" title=" simulation"> simulation</a>, <a href="https://publications.waset.org/abstracts/search?q=Monte%20Carlo" title=" Monte Carlo"> Monte Carlo</a>, <a href="https://publications.waset.org/abstracts/search?q=tube" title=" tube"> tube</a> </p> <a href="https://publications.waset.org/abstracts/32738/statistical-study-and-simulation-of-140-kv-x-ray-tube-by-monte-carlo" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/32738.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">722</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">165</span> Simulation of 140 Kv X– Ray Tube by MCNP4C Code </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Amin%20Sahebnasagh">Amin Sahebnasagh</a>, <a href="https://publications.waset.org/abstracts/search?q=Karim%20Adinehvand"> Karim Adinehvand</a>, <a href="https://publications.waset.org/abstracts/search?q=Bakhtiar%20Azadbakht"> Bakhtiar Azadbakht</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this study, we used Monte Carlo code (MCNP4C) that is a general method, for simulation, electron source and electric field, a disc source with 0.05 cm radius in direct of anode are used, radius of disc source show focal spot of x-ray tube that here is 0.05 cm. In this simulation, anode is from tungsten with 18.9 g/cm3 density and angle of anode is 180. we simulated x-ray tube for 140 kv. For increasing of speed data acquisition we use F5 tally. With determination the exact position of F5 tally in program, outputs are acquired. In this spectrum the start point is about 0.02 Mev, the absorption edges are about 0.06 Mev and 0.07 Mev and average energy is about 0.05 Mev. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=x-spectrum" title="x-spectrum">x-spectrum</a>, <a href="https://publications.waset.org/abstracts/search?q=simulation" title=" simulation"> simulation</a>, <a href="https://publications.waset.org/abstracts/search?q=Monte%20Carlo" title=" Monte Carlo"> Monte Carlo</a>, <a href="https://publications.waset.org/abstracts/search?q=MCNP4C%20code" title=" MCNP4C code"> MCNP4C code</a> </p> <a href="https://publications.waset.org/abstracts/23579/simulation-of-140-kv-x-ray-tube-by-mcnp4c-code" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/23579.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">646</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">164</span> Reduced Complexity Iterative Solution For I/Q Imbalance Problem in DVB-T2 Systems </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Karim%20S.%20Hassan">Karim S. Hassan</a>, <a href="https://publications.waset.org/abstracts/search?q=Hisham%20M.%20Hamed"> Hisham M. Hamed</a>, <a href="https://publications.waset.org/abstracts/search?q=Yassmine%20A.%20Fahmy"> Yassmine A. Fahmy</a>, <a href="https://publications.waset.org/abstracts/search?q=Ahmed%20F.%20Shalash"> Ahmed F. Shalash</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The mismatch between in-phase and quadrature signals in Orthogonal frequency division multiplexing (OFDM) systems, such as DVB-T2, results in a severe degradation in performance. Several general solutions have been proposed in the past, but these are largely computationally intensive, leading to complex implementations. In this paper, we propose a relatively simple iterative solution, which provides good results in relatively few iterations, using fixed precision arithmetic. An additional advantage is that complex digital blocks, such as dividers and square root, are not required. Thus, the proposed solution may be implemented in relatively simple hardware. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=OFDM" title="OFDM">OFDM</a>, <a href="https://publications.waset.org/abstracts/search?q=DVB-T2" title=" DVB-T2"> DVB-T2</a>, <a href="https://publications.waset.org/abstracts/search?q=I%2FQ%20imbalance" title=" I/Q imbalance"> I/Q imbalance</a>, <a href="https://publications.waset.org/abstracts/search?q=I%2FQ%20mismatch" title=" I/Q mismatch"> I/Q mismatch</a>, <a href="https://publications.waset.org/abstracts/search?q=iterative%20method" title=" iterative method"> iterative method</a>, <a href="https://publications.waset.org/abstracts/search?q=fixed%20point" title=" fixed point"> fixed point</a>, <a href="https://publications.waset.org/abstracts/search?q=reduced%20complexity" title=" reduced complexity"> reduced complexity</a> </p> <a href="https://publications.waset.org/abstracts/1821/reduced-complexity-iterative-solution-for-iq-imbalance-problem-in-dvb-t2-systems" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/1821.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">542</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">163</span> Effect of Planting Date on Quantitative and Qualitative Characteristics of Different Bread Wheat and Durum Cultivars</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mahdi%20Nasiri%20Tabrizi">Mahdi Nasiri Tabrizi</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20Dadkhah"> A. Dadkhah</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20Khirkhah"> M. Khirkhah</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In order to study the effect of planting on yield, yield components and quality traits in bread and durum wheat varieties, a field split-plot experiment based on complete randomized design with three replications was conducted in Agricultural and Natural Resources Research Center of Razavi Khorasan located in city of Mashhad during 2013-2014. Main factor were consisted of five sowing dates (first October, fifteenth December, first March, tenth March, twentieth March) and as sub-factors consisted of different bread wheat (Bahar, Pishgam, Pishtaz, Mihan, Falat and Karim) and two durum wheat (Dena and Dehdasht). According to results of analysis variance the effect of planting date was significant on all examined traits (grain yield, biological yield, harvest index, number of grain per spike, thousands kernel weight, number of spike per square meter, plant height, the number of days to heading, the number of days to maturity, during the grain filling period, percentage of wet gluten, percentage of dry gluten, gluten index, percentage of protein). By delay in planting, majority of traits significantly decreased, except quality traits (percentage of wet gluten, percentage of dry gluten and percentage of protein). Results of means comparison showed, among planting date the highest grain yield and biological yield were related to first planting date (Octobr) with mean of production of 5/6 and 1/17 tons per hectare respectively and the highest bread quality (gluten index) with mean of 85 and percentage of protein with mean of 13% to fifth planting date also the effect of genotype was significant on all traits. The highest grain yield among of studied wheat genotypes was related to Dehdasht cultivar with an average production of 4.4 tons per hectare. The highest protein percentage and bread quality (gluten index) were related to Dehdasht cultivar with 13.4% and Falat cultivar with number of 90 respectively. The interaction between cultivar and planting date was significant on all traits and different varieties had different trend for these traits. The highest grain yield was related to first planting date (October) and Falat cultivar with an average of production of 6/7 tons per hectare while in grain yield did not show a significant different with Pishtas and Mihan cultivars also the most of gluten index (bread quality index) and protein percentage was belonged to the third planting date and Karim cultivar with 7.98 and Dena cultivar with 7.14% respectively. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=yield%20component" title="yield component">yield component</a>, <a href="https://publications.waset.org/abstracts/search?q=yield" title=" yield"> yield</a>, <a href="https://publications.waset.org/abstracts/search?q=planting%20date" title=" planting date"> planting date</a>, <a href="https://publications.waset.org/abstracts/search?q=cultivar" title=" cultivar"> cultivar</a>, <a href="https://publications.waset.org/abstracts/search?q=quality%20traits" title=" quality traits"> quality traits</a>, <a href="https://publications.waset.org/abstracts/search?q=wheat" title=" wheat "> wheat </a> </p> <a href="https://publications.waset.org/abstracts/22299/effect-of-planting-date-on-quantitative-and-qualitative-characteristics-of-different-bread-wheat-and-durum-cultivars" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/22299.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">430</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">162</span> Proposal for an Inspection Tool for Damaged Structures after Disasters</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Karim%20Akkouche">Karim Akkouche</a>, <a href="https://publications.waset.org/abstracts/search?q=Amine%20Nekmouche"> Amine Nekmouche</a>, <a href="https://publications.waset.org/abstracts/search?q=Leyla%20Bouzid"> Leyla Bouzid</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This study focuses on the development of a multifunctional Expert System (ES) called post-seismic damage inspection tool (PSDIT), a powerful tool which allows the evaluation, the processing, and the archiving of the collected data stock after earthquakes. PSDIT can be operated by two user types; an ordinary user (ingineer, expert, or architect) for the damage visual inspection and an administrative user for updating the knowledge and / or for adding or removing the ordinary user. The knowledge acquisition is driven by a hierarchical knowledge model, the Information from investigation reports and those acquired through feedback from expert / engineer questionnaires are part. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=.disaster" title=".disaster">.disaster</a>, <a href="https://publications.waset.org/abstracts/search?q=damaged%20structures" title=" damaged structures"> damaged structures</a>, <a href="https://publications.waset.org/abstracts/search?q=damage%20assessment" title=" damage assessment"> damage assessment</a>, <a href="https://publications.waset.org/abstracts/search?q=expert%20system" title=" expert system"> expert system</a> </p> <a href="https://publications.waset.org/abstracts/164875/proposal-for-an-inspection-tool-for-damaged-structures-after-disasters" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/164875.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">82</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">161</span> Epistemic Uncertainty Analysis of Queue with Vacations</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Baya%20Takhedmit">Baya Takhedmit</a>, <a href="https://publications.waset.org/abstracts/search?q=Karim%20Abbas"> Karim Abbas</a>, <a href="https://publications.waset.org/abstracts/search?q=Sofiane%20Ouazine"> Sofiane Ouazine</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The vacations queues are often employed to model many real situations such as computer systems, communication networks, manufacturing and production systems, transportation systems and so forth. These queueing models are solved at fixed parameters values. However, the parameter values themselves are determined from a finite number of observations and hence have uncertainty associated with them (epistemic uncertainty). In this paper, we consider the M/G/1/N queue with server vacation and exhaustive discipline where we assume that the vacation parameter values have uncertainty. We use the Taylor series expansions approach to estimate the expectation and variance of model output, due to epistemic uncertainties in the model input parameters. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=epistemic%20uncertainty" title="epistemic uncertainty">epistemic uncertainty</a>, <a href="https://publications.waset.org/abstracts/search?q=M%2FG%2F1%2FN%20queue%20with%20vacations" title=" M/G/1/N queue with vacations"> M/G/1/N queue with vacations</a>, <a href="https://publications.waset.org/abstracts/search?q=non-parametric%20sensitivity%20analysis" title=" non-parametric sensitivity analysis"> non-parametric sensitivity analysis</a>, <a href="https://publications.waset.org/abstracts/search?q=Taylor%20series%20expansion" title=" Taylor series expansion"> Taylor series expansion</a> </p> <a href="https://publications.waset.org/abstracts/63375/epistemic-uncertainty-analysis-of-queue-with-vacations" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/63375.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">433</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">160</span> Proposal of a Damage Inspection Tool After Earthquakes: Case of Algerian Buildings</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Akkouche%20Karim">Akkouche Karim</a>, <a href="https://publications.waset.org/abstracts/search?q=Nekmouche%20Aghiles"> Nekmouche Aghiles</a>, <a href="https://publications.waset.org/abstracts/search?q=Bouzid%20Leyla"> Bouzid Leyla</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This study focuses on the development of a multifunctional Expert System (ES) called post-seismic damage inspection tool (PSDIT), a powerful tool which allows the evaluation, the processing and the archiving of the collected data stock after earthquakes. PSDIT can be operated by two user types; an ordinary user (engineer, expert or architect) for the damage visual inspection and an administrative user for updating the knowledge and / or for adding or removing the ordinary user. The knowledge acquisition is driven by a hierarchical knowledge model, the Information from investigation reports and those acquired through feedback from expert / engineer questionnaires are part. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=buildings" title="buildings">buildings</a>, <a href="https://publications.waset.org/abstracts/search?q=earthquake" title=" earthquake"> earthquake</a>, <a href="https://publications.waset.org/abstracts/search?q=seismic%20damage" title=" seismic damage"> seismic damage</a>, <a href="https://publications.waset.org/abstracts/search?q=damage%20assessment" title=" damage assessment"> damage assessment</a>, <a href="https://publications.waset.org/abstracts/search?q=expert%20system" title=" expert system"> expert system</a> </p> <a href="https://publications.waset.org/abstracts/165520/proposal-of-a-damage-inspection-tool-after-earthquakes-case-of-algerian-buildings" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/165520.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">87</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">159</span> A Comparison of TLD Measurements to MIRD Estimates of the Dose to the Ovaries and Uterus from Tc-99m in Liver </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Karim%20Adinehvand">Karim Adinehvand</a>, <a href="https://publications.waset.org/abstracts/search?q=Bakhtiar%20Azadbakht"> Bakhtiar Azadbakht</a>, <a href="https://publications.waset.org/abstracts/search?q=Amin%20Sahebnasagh"> Amin Sahebnasagh</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Relation to high absorption fraction of Tc SESTAMIBI by internal organs in heart scan, and these organs are near to generation organs (Ovaries and uterus). In this study, Liver is specified as source organ. Method: we have set amount of absorbed fraction radiopharmaceutical in position of Liver in RANDO-phantom in form of elliptical surfaces, then absorbed dose to ovaries and uterus measured by TLD-100 that had set at position of these organs in RANDO-phantom. Calculation had done by MIRD method. Results from direct measurement and MIRD method are too similar. The absorbed dose to uterus and ovaries for Rest are 26.05µGyMBq-1, 17.23µGyMBq-1 and for Stress are 2.04µGyMBq-1, 1.35µGyMBq-1 respectively. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=absorbed%20dose" title="absorbed dose">absorbed dose</a>, <a href="https://publications.waset.org/abstracts/search?q=TLD" title=" TLD"> TLD</a>, <a href="https://publications.waset.org/abstracts/search?q=MIRD" title=" MIRD"> MIRD</a>, <a href="https://publications.waset.org/abstracts/search?q=RANDO-phantom" title=" RANDO-phantom"> RANDO-phantom</a>, <a href="https://publications.waset.org/abstracts/search?q=Tc-99m" title=" Tc-99m"> Tc-99m</a> </p> <a href="https://publications.waset.org/abstracts/23101/a-comparison-of-tld-measurements-to-mird-estimates-of-the-dose-to-the-ovaries-and-uterus-from-tc-99m-in-liver" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/23101.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">565</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">158</span> Parallel Querying of Distributed Ontologies with Shared Vocabulary</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Sharjeel%20Aslam">Sharjeel Aslam</a>, <a href="https://publications.waset.org/abstracts/search?q=Vassil%20Vassilev"> Vassil Vassilev</a>, <a href="https://publications.waset.org/abstracts/search?q=Karim%20Ouazzane"> Karim Ouazzane</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Ontologies and various semantic repositories became a convenient approach for implementing model-driven architectures of distributed systems on the Web. SPARQL is the standard query language for querying such. However, although SPARQL is well-established standard for querying semantic repositories in RDF and OWL format and there are commonly used APIs which supports it, like Jena for Java, its parallel option is not incorporated in them. This article presents a complete framework consisting of an object algebra for parallel RDF and an index-based implementation of the parallel query engine capable of dealing with the distributed RDF ontologies which share common vocabulary. It has been implemented in Java, and for validation of the algorithms has been applied to the problem of organizing virtual exhibitions on the Web. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=distributed%20ontologies" title="distributed ontologies">distributed ontologies</a>, <a href="https://publications.waset.org/abstracts/search?q=parallel%20querying" title=" parallel querying"> parallel querying</a>, <a href="https://publications.waset.org/abstracts/search?q=semantic%20indexing" title=" semantic indexing"> semantic indexing</a>, <a href="https://publications.waset.org/abstracts/search?q=shared%20vocabulary" title=" shared vocabulary"> shared vocabulary</a>, <a href="https://publications.waset.org/abstracts/search?q=SPARQL" title=" SPARQL"> SPARQL</a> </p> <a href="https://publications.waset.org/abstracts/105046/parallel-querying-of-distributed-ontologies-with-shared-vocabulary" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/105046.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">204</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">157</span> Cryptocurrency Crime: Behaviors of Malicious Smart Contracts in Blockchain</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Malaw%20Ndiaye">Malaw Ndiaye</a>, <a href="https://publications.waset.org/abstracts/search?q=Karim%20Konate"> Karim Konate</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Blockchain and smart contracts can be used to facilitate almost any financial transaction. Thanks to these smart contracts, the settlement of dividends and coupons could be automated. The blockchain would allow all these transactions to be saved in a single ledger rather than in many databases through many organizations as is currently the case. Smart contracts have become lucrative and profitable targets for attackers because they can hold a large amount of money. This paper takes stock of cryptocurrency crime by assessing attacks due to smart contracts and the cost of losses. These losses are often the result of two types of malicious contracts: vulnerable contracts and criminal smart contracts. Studying the behavior of malicious contracts allows us to understand the root causes and consequences of attacks and the defense capabilities that exist although they do not definitively solve the crime problem. It makes it possible to approach new defense perspectives which will be concretized in future work. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=blockchain" title="blockchain">blockchain</a>, <a href="https://publications.waset.org/abstracts/search?q=malicious%20smart%20contracts" title=" malicious smart contracts"> malicious smart contracts</a>, <a href="https://publications.waset.org/abstracts/search?q=crypto-currency" title=" crypto-currency"> crypto-currency</a>, <a href="https://publications.waset.org/abstracts/search?q=crimes" title=" crimes"> crimes</a>, <a href="https://publications.waset.org/abstracts/search?q=attacks" title=" attacks"> attacks</a> </p> <a href="https://publications.waset.org/abstracts/135277/cryptocurrency-crime-behaviors-of-malicious-smart-contracts-in-blockchain" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/135277.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">275</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">156</span> Customers’ Acceptability of Islamic Banking: Employees’ Perspective in Peshawar</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Tahira%20Imtiaz">Tahira Imtiaz</a>, <a href="https://publications.waset.org/abstracts/search?q=Karim%20Ullah"> Karim Ullah</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper aims to incorporate the banks employees’ perspective on acceptability of Islamic banking by the customers of Peshawar. A qualitative approach is adopted for which six in-depth interviews with employees of Islamic banks are conducted. The employees were asked to share their experience regarding customers’ acceptance attitude towards acceptability of Islamic banking. Collected data was analyzed through thematic analysis technique and its synthesis with the current literature. Through data analysis a theoretical framework is developed, which highlights the factors which drive customers towards Islamic banking, as witnessed by the employees. The practical implication of analyzed data evident that a new model could be developed on the basis of four determinants of human preference namely: inner satisfaction, time, faith and market forces. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=customers%E2%80%99%20attraction" title="customers’ attraction">customers’ attraction</a>, <a href="https://publications.waset.org/abstracts/search?q=employees%E2%80%99%20perspective" title=" employees’ perspective"> employees’ perspective</a>, <a href="https://publications.waset.org/abstracts/search?q=Islamic%20banking" title=" Islamic banking"> Islamic banking</a>, <a href="https://publications.waset.org/abstracts/search?q=Riba" title=" Riba"> Riba</a> </p> <a href="https://publications.waset.org/abstracts/49687/customers-acceptability-of-islamic-banking-employees-perspective-in-peshawar" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/49687.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">333</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">155</span> Iraqi Media Entrepreneurs across Social Media: Factors and Challenges</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ahmed%20Omar%20Bali">Ahmed Omar Bali</a>, <a href="https://publications.waset.org/abstracts/search?q=Sherko%20%20Jabar"> Sherko Jabar</a>, <a href="https://publications.waset.org/abstracts/search?q=Hazhar%20Jalal"> Hazhar Jalal</a>, <a href="https://publications.waset.org/abstracts/search?q=Mahdi%20Sofi-Karim"> Mahdi Sofi-Karim</a> </p> <p class="card-text"><strong>Abstract:</strong></p> For a long while in Iraq, media organizations were owned by political parties, particularly the ruling parties, because media traditional organizations required big capital and human resources. This paper has examined the dynamics of Iraqi media market transformation with emphasizing on factors that help to merge media entrepreneurs and digital media firms which target audience on social media. A qualitative method was adopted in this study using open, in-depth interviews with 19 media entrepreneurs and three managers of media firms. The study revealed that relative freedom and advanced communication technologies have encouraged media entrepreneurs to drive the new media on producing short videos and broadcast them on social media which has become popular among media consumers. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=media%20entrepreneur" title="media entrepreneur">media entrepreneur</a>, <a href="https://publications.waset.org/abstracts/search?q=Iraq" title=" Iraq"> Iraq</a>, <a href="https://publications.waset.org/abstracts/search?q=journalists" title=" journalists"> journalists</a>, <a href="https://publications.waset.org/abstracts/search?q=media%20technicians" title=" media technicians"> media technicians</a>, <a href="https://publications.waset.org/abstracts/search?q=digital%20media%20firms" title=" digital media firms"> digital media firms</a>, <a href="https://publications.waset.org/abstracts/search?q=media%20market" title=" media market"> media market</a> </p> <a href="https://publications.waset.org/abstracts/119420/iraqi-media-entrepreneurs-across-social-media-factors-and-challenges" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/119420.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">305</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">154</span> Study of the Behavior of Bolted Joints with and Without Reinforcement</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Karim%20Akkouche">Karim Akkouche</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Many methods have been developed for characterizing the behavior of bolted joints. However, in the presence of a certain model of stiffeners, no orientation was given in relation to their modeling. To this end, multitude of coarse errors can arise in the reproduction of the propagation of efforts and in representation of the modes of deformations. Considering these particularities, a numerical investigation was carried out in our laboratory. In this paper we will present a comparative study between three types of assemblies. A non-linear 3D modeling was chosen, given that it takes into consideration geometric and material non-linearity, using the Finite Element calculation code ABAQUS. Initially, we evaluated the influence of the presence of each stiffener on the "global" behavior of the assemblies, this by analyzing their Moment-Rotation curves, also by referring to the classification system proposed by NF EN 1993- 1.8 which is based on the resisting moment Mj-Rd and the initial stiffness Sj.int. In a second step, we evaluated the "local" behavior of their components by referring to the stress-strain curves. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=assembly" title="assembly">assembly</a>, <a href="https://publications.waset.org/abstracts/search?q=post-beam" title=" post-beam"> post-beam</a>, <a href="https://publications.waset.org/abstracts/search?q=end%20plate" title=" end plate"> end plate</a>, <a href="https://publications.waset.org/abstracts/search?q=nonlinearity" title=" nonlinearity"> nonlinearity</a> </p> <a href="https://publications.waset.org/abstracts/166116/study-of-the-behavior-of-bolted-joints-with-and-without-reinforcement" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/166116.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">74</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">153</span> Social Innovation Rediscovered: An Analysis of Empirical Research</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Imen%20Douzi">Imen Douzi</a>, <a href="https://publications.waset.org/abstracts/search?q=Karim%20Ben%20Kahla"> Karim Ben Kahla</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In spite of the growing attention for social innovation, it is still considered to be in a stage of infancy with minimal progress in theory development. Upon examining the field of study, one would have to conclude that, over the past two decades, academic research has focused primarily on establishing a conceptual foundation. This has resulted in a considerable stream of conceptual papers which have outnumbered empirical articles. Nevertheless, despite its growing popularity, scholars and practitioners are far from reaching a consensus as to what social innovation actually means which resulted in competing definitions and approaches within the field of social innovation and lack of unifying conceptual framework. This paper reviews empirical research studies on social innovation, classifies them along three dimensions and summarizes research findings for each of these dimensions. Preliminary to the analysis of empirical researches, an overview of different perspectives of social innovation is presented. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=analysis%20of%20empirical%20research" title="analysis of empirical research">analysis of empirical research</a>, <a href="https://publications.waset.org/abstracts/search?q=definition" title=" definition"> definition</a>, <a href="https://publications.waset.org/abstracts/search?q=empirical%20research" title=" empirical research"> empirical research</a>, <a href="https://publications.waset.org/abstracts/search?q=social%20innovation%20perspectives" title=" social innovation perspectives"> social innovation perspectives</a> </p> <a href="https://publications.waset.org/abstracts/38783/social-innovation-rediscovered-an-analysis-of-empirical-research" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/38783.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">384</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">152</span> Enhanced Bit Error Rate in Visible Light Communication: A New LED Hexagonal Array Distribution</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Karim%20Matter">Karim Matter</a>, <a href="https://publications.waset.org/abstracts/search?q=Heba%20Fayed"> Heba Fayed</a>, <a href="https://publications.waset.org/abstracts/search?q=Ahmed%20Abd-Elaziz"> Ahmed Abd-Elaziz</a>, <a href="https://publications.waset.org/abstracts/search?q=Moustafa%20Hussein"> Moustafa Hussein</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Due to the exponential growth of mobile devices and wireless services, a huge demand for radiofrequency has increased. The presence of several frequencies causes interference between cells, which must be minimized to get the lower Bit Error Rate (BER). For this reason, it is of great interest to use visible light communication (VLC). This paper suggests a VLC system that decreases the BER by applying a new LED distribution with a hexagonal shape using a Frequency Reuse (FR) concept to mitigate the interference between the reused frequencies inside the hexagonal shape. The BER is measured in two scenarios, Line of Sight (LoS) and Non-Line of Sight (Non-LoS), for each technique that we used. The recommended values of BER in the proposed model for Soft Frequency Reuse (SFR) in the case of Los at 4, 8, and 10 dB signal to noise ratio (SNR), are 3.6×10⁻⁶, 6.03×10⁻¹³, and 2.66×10⁻¹⁸, respectively. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=visible%20light%20communication%20%28VLC%29" title="visible light communication (VLC)">visible light communication (VLC)</a>, <a href="https://publications.waset.org/abstracts/search?q=field%20of%20view%20%28FoV%29" title=" field of view (FoV)"> field of view (FoV)</a>, <a href="https://publications.waset.org/abstracts/search?q=hexagonal%20array" title=" hexagonal array"> hexagonal array</a>, <a href="https://publications.waset.org/abstracts/search?q=frequency%20reuse" title=" frequency reuse"> frequency reuse</a> </p> <a href="https://publications.waset.org/abstracts/146526/enhanced-bit-error-rate-in-visible-light-communication-a-new-led-hexagonal-array-distribution" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/146526.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">160</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">151</span> Effect on Nutritional and Antioxidant Properties of Yellow Alkaline Noodles Substituted with Different Levels of Mangosteen (Garcinia Mangostana) Pericarp Powder</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mardiana%20Ahamad%20Zabidi">Mardiana Ahamad Zabidi</a>, <a href="https://publications.waset.org/abstracts/search?q=Nurain%20Abdul%20Karim"> Nurain Abdul Karim</a>, <a href="https://publications.waset.org/abstracts/search?q=Nur%20Shazrinna%20Sazali"> Nur Shazrinna Sazali</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Mangosteen (Garcinia mangostana) pericarp is considered as agricultural waste and not fully utilized in food products. It is widely reported that mangosteen pericarp contains high antioxidant properties. The objective of this study is to develop novel yellow alkaline noodle (YAN) substituted with different levels of mangosteen pericarp powder (MPP). YAN formulation was substituted with different levels of MPP (0%, 5%, 10% and 15%). The effect on nutritional and antioxidant properties were evaluated. Higher substitution levels of MPP resulted in significant increase (p < 0.05) of ash, fibre, specific mineral elements, and antioxidant properties (total phenolic, total flavonoid, anthocyanin and DPPH) than control sample. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=antioxidant%20properties" title="antioxidant properties">antioxidant properties</a>, <a href="https://publications.waset.org/abstracts/search?q=Mangosteen%20pericarp" title=" Mangosteen pericarp"> Mangosteen pericarp</a>, <a href="https://publications.waset.org/abstracts/search?q=proximate%20composition" title=" proximate composition"> proximate composition</a>, <a href="https://publications.waset.org/abstracts/search?q=yellow%20alkaline%20noodle" title=" yellow alkaline noodle"> yellow alkaline noodle</a> </p> <a href="https://publications.waset.org/abstracts/25244/effect-on-nutritional-and-antioxidant-properties-of-yellow-alkaline-noodles-substituted-with-different-levels-of-mangosteen-garcinia-mangostana-pericarp-powder" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/25244.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">431</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">150</span> Assessment of Noise Pollution in the City of Biskra, Algeria</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Tallal%20Abdel%20Karim%20Bouzir">Tallal Abdel Karim Bouzir</a>, <a href="https://publications.waset.org/abstracts/search?q=Nourdinne%20Zemmouri"> Nourdinne Zemmouri</a>, <a href="https://publications.waset.org/abstracts/search?q=Djihed%20Berkouk"> Djihed Berkouk</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this research, a quantitative assessment of the urban sound environment of the city of Biskra, Algeria, was conducted. To determine the quality of the soundscape based on in-situ measurement, using a Landtek SL5868P sound level meter in 47 points, which have been identified to represent the whole city. The result shows that the urban noise level varies from 55.3 dB to 75.8 dB during the weekdays and from 51.7 dB to 74.3 dB during the weekend. On the other hand, we can also note that 70.20% of the results of the weekday measurements and 55.30% of the results of the weekend measurements have levels of sound intensity that exceed the levels allowed by Algerian law and the recommendations of the World Health Organization. These very high urban noise levels affect the quality of life, the acoustic comfort and may even pose multiple risks to people's health. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=road%20traffic" title="road traffic">road traffic</a>, <a href="https://publications.waset.org/abstracts/search?q=noise%20pollution" title=" noise pollution"> noise pollution</a>, <a href="https://publications.waset.org/abstracts/search?q=sound%20intensity" title=" sound intensity"> sound intensity</a>, <a href="https://publications.waset.org/abstracts/search?q=public%20health" title=" public health"> public health</a> </p> <a href="https://publications.waset.org/abstracts/80083/assessment-of-noise-pollution-in-the-city-of-biskra-algeria" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/80083.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">267</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">149</span> Application of Nanofiltration Membrane for River Nile Water Treatment in Egypt</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Tarek%20S.%20Jamil">Tarek S. Jamil</a>, <a href="https://publications.waset.org/abstracts/search?q=Ahmed%20M.%20Shaban"> Ahmed M. Shaban</a>, <a href="https://publications.waset.org/abstracts/search?q=Eman%20S.%20Mansor"> Eman S. Mansor</a>, <a href="https://publications.waset.org/abstracts/search?q=Ahmed%20A.%20Karim"> Ahmed A. Karim</a>, <a href="https://publications.waset.org/abstracts/search?q=Azza%20M.%20Abdel%20Aty"> Azza M. Abdel Aty</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this manuscript, 35 m³/d NF unit was designed and applied for surface water treatment of river Nile water. Intake of Embaba drinking water treatment plant was selected to install that unit at since; it has the lowest water quality index value through the examined 6 sites in greater Cairo area. The optimized operating conditions were feed and permeate flow, 40 and 7 m³/d, feed pressure 2.68 bar and flux rate 37.7 l/m2.h. The permeate water was drinkable according to Egyptian Ministerial decree 458/2007 for the tested parameters (physic-chemical, heavy metals, organic, algal, bacteriological and parasitological). Single and double sand filters were used as pretreatment for NF membranes, but continuous clogging for sand filters moved us to use UF membrane as pretreatment for NF membrane. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=River%20Nile" title="River Nile">River Nile</a>, <a href="https://publications.waset.org/abstracts/search?q=NF%20membrane" title=" NF membrane"> NF membrane</a>, <a href="https://publications.waset.org/abstracts/search?q=pretreatment" title=" pretreatment"> pretreatment</a>, <a href="https://publications.waset.org/abstracts/search?q=UF%20membrane" title=" UF membrane"> UF membrane</a>, <a href="https://publications.waset.org/abstracts/search?q=water%20quality" title=" water quality"> water quality</a> </p> <a href="https://publications.waset.org/abstracts/61649/application-of-nanofiltration-membrane-for-river-nile-water-treatment-in-egypt" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/61649.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">708</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">148</span> Professionals’ Collaboration on Strengthening the Teaching of History </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=L.%20B.%20Ni">L. B. Ni</a>, <a href="https://publications.waset.org/abstracts/search?q=N.%20S.%20Bt%20Rohadi"> N. S. Bt Rohadi</a>, <a href="https://publications.waset.org/abstracts/search?q=H.%20Bt%20Alfana"> H. Bt Alfana</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20S.%20Bin%20Ali%20Hassan"> A. S. Bin Ali Hassan</a>, <a href="https://publications.waset.org/abstracts/search?q=J.%20Bin%20Karim"> J. Bin Karim</a>, <a href="https://publications.waset.org/abstracts/search?q=C.%20Bt%20Rasin"> C. Bt Rasin</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper discusses the shared effort of teaching history in K-12 schools, community colleges, four-year colleges and universities to develop students' understanding of the history and habits of thought history. This study presents and discusses the problems of K-12 schools in colleges and universities, and the establishment of secondary school principals. This study also shows that the changing nature of practice can define new trends and affect the history professional in the classroom. There are many problems that historians and teachers of college faculty share in the history of high school teachers. History teachers can and should do better to get students in the classroom. History provides valuable insights into the information and embedded solid-state analysis models that are conflicting on the planet and are quickly changing exceptionally valuable. The survey results can reflect the history teaching in Malaysia. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=history%20issue" title="history issue">history issue</a>, <a href="https://publications.waset.org/abstracts/search?q=history%20teaching" title=" history teaching"> history teaching</a>, <a href="https://publications.waset.org/abstracts/search?q=school-university%20collaboration" title=" school-university collaboration"> school-university collaboration</a>, <a href="https://publications.waset.org/abstracts/search?q=history%20profession" title=" history profession"> history profession</a> </p> <a href="https://publications.waset.org/abstracts/61541/professionals-collaboration-on-strengthening-the-teaching-of-history" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/61541.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">357</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">147</span> Synthesis of Dispersion-Compensating Triangular Lattice Index-Guiding Photonic Crystal Fibers Using the Directed Tabu Search Method</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=F.%20Karim">F. Karim</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this paper, triangular lattice index-guiding photonic crystal fibers (PCFs) are synthesized to compensate the chromatic dispersion of a single mode fiber (SMF-28) for an 80 km optical link operating at 1.55 µm, by using the directed tabu search algorithm. Hole-to-hole distance, circular air-hole diameter, solid-core diameter, ring number and PCF length parameters are optimized for this purpose. Three Synthesized PCFs with different physical parameters are compared in terms of their objective functions values, residual dispersions and compensation ratios. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=triangular%20lattice%20index-guiding%20photonic%20crystal%20fiber" title="triangular lattice index-guiding photonic crystal fiber">triangular lattice index-guiding photonic crystal fiber</a>, <a href="https://publications.waset.org/abstracts/search?q=dispersion%20compensation" title=" dispersion compensation"> dispersion compensation</a>, <a href="https://publications.waset.org/abstracts/search?q=directed%20tabu%20search" title=" directed tabu search"> directed tabu search</a>, <a href="https://publications.waset.org/abstracts/search?q=synthesis" title=" synthesis"> synthesis</a> </p> <a href="https://publications.waset.org/abstracts/39125/synthesis-of-dispersion-compensating-triangular-lattice-index-guiding-photonic-crystal-fibers-using-the-directed-tabu-search-method" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/39125.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">432</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">146</span> Plate-Laminated Slotted-Waveguide Fed 2×3 Planar Inverted F Antenna Array</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Badar%20Muneer">Badar Muneer</a>, <a href="https://publications.waset.org/abstracts/search?q=Waseem%20Shabir"> Waseem Shabir</a>, <a href="https://publications.waset.org/abstracts/search?q=Faisal%20Karim%20Shaikh"> Faisal Karim Shaikh</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Substrate Integrated waveguide based 6-element array of Planar Inverted F antenna (PIFA) has been presented and analyzed parametrically in this paper. The antenna is fed with coupled transverse slots on a plate laminated waveguide cavity to ensure wide bandwidth and simplicity of feeding network. The two-layer structure has one layer dedicated for feeding network and the top layer dedicated for radiating elements. It has been demonstrated that the presented feeding technique for feeding such class of array antennas can be far simple in structure and miniaturized in size when it comes to designing large phased array antenna systems. A good return loss and standing wave ratio of 2:1 has been achieved while maintaining properties of typical PIFA. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=feeding%20network" title="feeding network">feeding network</a>, <a href="https://publications.waset.org/abstracts/search?q=laminated%20waveguide" title=" laminated waveguide"> laminated waveguide</a>, <a href="https://publications.waset.org/abstracts/search?q=PIFA" title=" PIFA"> PIFA</a>, <a href="https://publications.waset.org/abstracts/search?q=transverse%20slots" title=" transverse slots"> transverse slots</a> </p> <a href="https://publications.waset.org/abstracts/63475/plate-laminated-slotted-waveguide-fed-23-planar-inverted-f-antenna-array" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/63475.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">311</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">145</span> Role of Community Participation in Sustainability of Projects: A Multiple Case Study of Developmental Projects in Khyber Pakhtunkhwa, Pakistan</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Sajid%20Ali%20Khan">Sajid Ali Khan</a>, <a href="https://publications.waset.org/abstracts/search?q=Karim%20Ullah"> Karim Ullah</a>, <a href="https://publications.waset.org/abstracts/search?q=Usman%20Ghani"> Usman Ghani</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Community participation is the collaboration of project beneficiaries; voluntarily or because of some incentives or persuasion agree to put effort and work with development projects. Sustainability of projects is the ability to maintain its services, operations, and other benefits during its anticipated time. This study investigated the dynamics of community participation and its contribution to the sustainability of projects. In multiple case-study designs with semi-structured questionnaires and interviews, this study analyzes community participation with the help of individual case analysis followed by cross-case analysis in the RAHA & CDLD developmental project. Finally, the study outcomes are linked with the specified literature in order to comprehend the phenomena. The findings of the study suggest an Analytical framework developed by the current study covering different barriers and enablers to community participation and its implications. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=community%20participation" title="community participation">community participation</a>, <a href="https://publications.waset.org/abstracts/search?q=enablers" title=" enablers"> enablers</a>, <a href="https://publications.waset.org/abstracts/search?q=barriers" title=" barriers"> barriers</a>, <a href="https://publications.waset.org/abstracts/search?q=project%20sustainability" title=" project sustainability"> project sustainability</a> </p> <a href="https://publications.waset.org/abstracts/155370/role-of-community-participation-in-sustainability-of-projects-a-multiple-case-study-of-developmental-projects-in-khyber-pakhtunkhwa-pakistan" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/155370.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">248</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">144</span> Adsorption Studies of Methane on Zeolite NaX, LiX, KX at High Pressures</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=El%20Hadi%20Zouaoui">El Hadi Zouaoui</a>, <a href="https://publications.waset.org/abstracts/search?q=Djamel%20Nibou"> Djamel Nibou</a>, <a href="https://publications.waset.org/abstracts/search?q=Mohamed%20Haddouche"> Mohamed Haddouche</a>, <a href="https://publications.waset.org/abstracts/search?q=Wan%20Azlina%20Wan%20Ab%20Karim%20Ghani"> Wan Azlina Wan Ab Karim Ghani</a>, <a href="https://publications.waset.org/abstracts/search?q=Samira%20Amokrane"> Samira Amokrane</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this study, CH₄ adsorption isotherms on NaX or Faujasite X and exchanged zeolites with Li⁺(LiX), and K⁺(KX) at different temperatures (298, 308, 323 and 353 K) has been investigated, using high pressure (3 MPa (30 bar)) thermo-gravimetric analyser. The experimental results were then validated using several isothermal kinetics models, namely Langmuir, Toth, and Marczewski-Jaroniec, followed by a calculation of the error coefficients between the experimental and theoretical results. It was found that the CH₄ adsorption isotherms are characterized by a strong increase in adsorption at low pressure and a tendency towards a high pressure limit value Qₘₐₓ. The size and position of the exchanged cations, the spherical shape of methane, the specific surface, and the volume of the pores revealed the most important influence parameters for this study. These results revealed that the experimentation and the modeling, well correlated with Marczewski-Jaroniec, Toth, and gave the best results whatever the temperature and the material used. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=CH%E2%82%84%20adsorption" title="CH₄ adsorption">CH₄ adsorption</a>, <a href="https://publications.waset.org/abstracts/search?q=exchange%20cations" title=" exchange cations"> exchange cations</a>, <a href="https://publications.waset.org/abstracts/search?q=exchanged%20zeolite" title=" exchanged zeolite"> exchanged zeolite</a>, <a href="https://publications.waset.org/abstracts/search?q=isotherm%20study" title=" isotherm study"> isotherm study</a>, <a href="https://publications.waset.org/abstracts/search?q=NaX%20zeolite" title=" NaX zeolite"> NaX zeolite</a> </p> <a href="https://publications.waset.org/abstracts/128144/adsorption-studies-of-methane-on-zeolite-nax-lix-kx-at-high-pressures" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/128144.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">249</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">143</span> PDDA: Priority-Based, Dynamic Data Aggregation Approach for Sensor-Based Big Data Framework</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Lutful%20Karim">Lutful Karim</a>, <a href="https://publications.waset.org/abstracts/search?q=Mohammed%20S.%20Al-kahtani"> Mohammed S. Al-kahtani</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Sensors are being used in various applications such as agriculture, health monitoring, air and water pollution monitoring, traffic monitoring and control and hence, play the vital role in the growth of big data. However, sensors collect redundant data. Thus, aggregating and filtering sensors data are significantly important to design an efficient big data framework. Current researches do not focus on aggregating and filtering data at multiple layers of sensor-based big data framework. Thus, this paper introduces (i) three layers data aggregation and framework for big data and (ii) a priority-based, dynamic data aggregation scheme (PDDA) for the lowest layer at sensors. Simulation results show that the PDDA outperforms existing tree and cluster-based data aggregation scheme in terms of overall network energy consumptions and end-to-end data transmission delay. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=big%20data" title="big data">big data</a>, <a href="https://publications.waset.org/abstracts/search?q=clustering" title=" clustering"> clustering</a>, <a href="https://publications.waset.org/abstracts/search?q=tree%20topology" title=" tree topology"> tree topology</a>, <a href="https://publications.waset.org/abstracts/search?q=data%20aggregation" title=" data aggregation"> data aggregation</a>, <a href="https://publications.waset.org/abstracts/search?q=sensor%20networks" title=" sensor networks"> sensor networks</a> </p> <a href="https://publications.waset.org/abstracts/47419/pdda-priority-based-dynamic-data-aggregation-approach-for-sensor-based-big-data-framework" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/47419.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">346</span> </span> </div> </div> <ul class="pagination"> <li class="page-item disabled"><span class="page-link">&lsaquo;</span></li> <li class="page-item active"><span class="page-link">1</span></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=Karim%20Al-Jashamy&page=2">2</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=Karim%20Al-Jashamy&page=3">3</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=Karim%20Al-Jashamy&page=4">4</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=Karim%20Al-Jashamy&page=5">5</a></li> <li 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