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Khodadadi</title> <meta name="description" content="Search results for: Zahra Khodadadi"> <meta name="keywords" content="Zahra Khodadadi"> <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="Zahra Khodadadi"> <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> 268</div> </div> </div> </div> <h1 class="mt-3 mb-3 text-center" style="font-size:1.6rem;">Search results for: Zahra Khodadadi</h1> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">238</span> The Impact of Metacognitive Knowledge and Experience on Top Management Team Diversity and Small to Medium Enterprises Performance</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Jo%20Rhodes">Jo Rhodes</a>, <a href="https://publications.waset.org/abstracts/search?q=Peter%20Lok"> Peter Lok</a>, <a href="https://publications.waset.org/abstracts/search?q=Zahra%20Sadeghinejad"> Zahra Sadeghinejad</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The aim of this study is to determine the impact of metacognition on top management team members and firm performance based on full team integration. A survey of 1500 small to medium enterprises (SMEs) was initiated and 140 firms were obtained in this study (with response rate of 9%). The result showed that different metacognitive abilities of managers [knowledge and experience] could enhance team decision-making and problem solving, resulting in greater firm performance. This is a significant finding for SMEs because these organisations have small teams with owner leadership and entrepreneurial orientation. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=metacognition" title="metacognition">metacognition</a>, <a href="https://publications.waset.org/abstracts/search?q=behavioural%20integration" title=" behavioural integration"> behavioural integration</a>, <a href="https://publications.waset.org/abstracts/search?q=top%20management%20team%20%28TMT%29" title=" top management team (TMT)"> top management team (TMT)</a>, <a href="https://publications.waset.org/abstracts/search?q=performance" title=" performance"> performance</a> </p> <a href="https://publications.waset.org/abstracts/48113/the-impact-of-metacognitive-knowledge-and-experience-on-top-management-team-diversity-and-small-to-medium-enterprises-performance" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/48113.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">377</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">237</span> Formation of ZnS/ZnO Heterojunction for Photocatalytic Hydrogen Evolution Using Partial Oxidation and Chemical Precipitation Synthesis Methods</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Saba%20Didarataee">Saba Didarataee</a>, <a href="https://publications.waset.org/abstracts/search?q=Abbas%20Ali%20Khodadadi"> Abbas Ali Khodadadi</a>, <a href="https://publications.waset.org/abstracts/search?q=Yadollah%20Mortazavi"> Yadollah Mortazavi</a>, <a href="https://publications.waset.org/abstracts/search?q=Fatemeh%20Mousavi"> Fatemeh Mousavi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Photocatalytic water splitting is one of the most attractive alternative methods for hydrogen evolution. A variety of nanoparticle engineering techniques were introduced to improve the activity of semiconductor photocatalysts. Among these methods, heterojunction formation is an appealing method due to its ability to effectively preventing electron-hole recombination and improving photocatalytic activity. Reaching an optimal ratio of the two target semiconductors for the formation of heterojunctions is still an open question. Considering environmental issues as well as the cost and availability, ZnS and ZnO are frequently studied as potential choices. In this study, first, the ZnS nanoparticle was synthesized in a hydrothermal process; the formation of ZnS nanorods with a diameter of 14-30 nm was confirmed by field emission scanning electron microscope (FESEM). Then two different methods, partial oxidation and chemical precipitation were employed to construct ZnS/ZnO core-shell heterojunction. X-ray diffraction (XRD), BET, and diffuse reflectance spectroscopy (DRS) analysis were carried out to determine crystallite phase, surface area, and bandgap of photocatalysts. Furthermore, the temperature of oxidation was specified by a temperature programmed oxidation (TPO) and was fixed at 510℃, at which mild oxidation occurred. The bandgap was calculated by the Kubelka-Munk method and decreased by increasing oxide content from 3.53 (pure ZnS) to 3.18 (pure ZnO). The optimal samples were determined by testing the photocatalytic activity of hydrogen evolution in a quartz photoreactor with side irradiation of UVC lamps with a wavelength of 254 nm. In both procedures, it was observed that the photocatalytic activity of the ZnS/ZnO composite was sensibly higher than the pure ZnS and ZnO, which is attributed to forming a type-II heterostructure. The best ratio of oxide to sulfide was 0.24 and 0.37 in partial oxidation and chemical precipitation, respectively. The highest hydrogen evolution was 1081 µmol/gr.h, gained from partial oxidizing of ZnS nanoparticles at 510℃ for 30 minutes. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=heterostructure" title="heterostructure">heterostructure</a>, <a href="https://publications.waset.org/abstracts/search?q=hydrogen" title=" hydrogen"> hydrogen</a>, <a href="https://publications.waset.org/abstracts/search?q=partial%20oxidation" title=" partial oxidation"> partial oxidation</a>, <a href="https://publications.waset.org/abstracts/search?q=photocatalyst" title=" photocatalyst"> photocatalyst</a>, <a href="https://publications.waset.org/abstracts/search?q=water%20splitting" title=" water splitting"> water splitting</a>, <a href="https://publications.waset.org/abstracts/search?q=ZnS" title=" ZnS"> ZnS</a> </p> <a href="https://publications.waset.org/abstracts/134352/formation-of-znszno-heterojunction-for-photocatalytic-hydrogen-evolution-using-partial-oxidation-and-chemical-precipitation-synthesis-methods" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/134352.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">128</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">236</span> Exploring Corporate Governance Structure in Gulf Cooperation Council Countries</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Zahra%20A.%20Al%20Nasser">Zahra A. Al Nasser</a>, <a href="https://publications.waset.org/abstracts/search?q=Domenico%20Campa"> Domenico Campa</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper investigates board of directors and firms’ ownership structure on non-financial companies listed in Gulf Cooperation council (GCC) countries using data from 2009 to 2013. The overall result of the study is that board size and board meeting have increased over years. Additionally, all combined committee variables have improved as well as audit committee size, audit committee meeting and audit committee experience have improved over the years. Furthermore, Oman is the only country that has not shown any statistically significant change in value of its associated variables. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=corporate%20governance" title="corporate governance">corporate governance</a>, <a href="https://publications.waset.org/abstracts/search?q=GCC%20countries" title=" GCC countries"> GCC countries</a>, <a href="https://publications.waset.org/abstracts/search?q=board%20of%20directors" title=" board of directors"> board of directors</a>, <a href="https://publications.waset.org/abstracts/search?q=ownership%20structure" title=" ownership structure "> ownership structure </a> </p> <a href="https://publications.waset.org/abstracts/20883/exploring-corporate-governance-structure-in-gulf-cooperation-council-countries" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/20883.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">571</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">235</span> Survey of Rate and Causes of Literacy Preservation in Adult Newly Learners</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mohammad%20Narimani">Mohammad Narimani</a>, <a href="https://publications.waset.org/abstracts/search?q=Zahra%20Rostamoghli"> Zahra Rostamoghli</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The main objective of this study is the survey of rate and causes of literacy preservation in adult newly learners. Statistical sample consists of 384 adults who are newly learners of literacy, at 2002, who were selected by stratified sampling method. This is a correlation cross-sectional survey research, in which authors-constructed measures were used for data collection. Results of survey showed that learners' literacy preservation rate after two years was 70%, 61% and 57%, in reading, dictation and mathematic tests, respectively.Following can be noted as factors correlated with literacy preservation; repetition of subjects and learners' subjective review, access to and using the library and publications, feeling of need to and interest in educated matters, socio cultural class of learners, and literacy level of learners' family. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=literacy%20preservation" title="literacy preservation">literacy preservation</a>, <a href="https://publications.waset.org/abstracts/search?q=new%20learner" title=" new learner"> new learner</a>, <a href="https://publications.waset.org/abstracts/search?q=literacy%20improvement%20movement" title=" literacy improvement movement"> literacy improvement movement</a>, <a href="https://publications.waset.org/abstracts/search?q=mathematic%20test" title=" mathematic test"> mathematic test</a> </p> <a href="https://publications.waset.org/abstracts/27161/survey-of-rate-and-causes-of-literacy-preservation-in-adult-newly-learners" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/27161.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">478</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">234</span> Evolution of the Environmental Justice Concept</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Zahra%20Bakhtiari">Zahra Bakhtiari</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This article explores the development and evolution of the concept of environmental justice, which has shifted from being dominated by white and middle-class individuals to a civil struggle by marginalized communities against environmental injustices. Environmental justice aims to achieve equity in decision-making and policy-making related to the environment. The concept of justice in this context includes four fundamental aspects: distribution, procedure, recognition, and capabilities. Recent scholars have attempted to broaden the concept of justice to include dimensions of participation, recognition, and capabilities. Focusing on all four dimensions of environmental justice is crucial for effective planning and policy-making to address environmental issues. Ignoring any of these aspects can lead to the failure of efforts and the waste of resources. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=environmental%20justice" title="environmental justice">environmental justice</a>, <a href="https://publications.waset.org/abstracts/search?q=distribution" title=" distribution"> distribution</a>, <a href="https://publications.waset.org/abstracts/search?q=procedure" title=" procedure"> procedure</a>, <a href="https://publications.waset.org/abstracts/search?q=recognition" title=" recognition"> recognition</a>, <a href="https://publications.waset.org/abstracts/search?q=capabilities" title=" capabilities"> capabilities</a> </p> <a href="https://publications.waset.org/abstracts/163335/evolution-of-the-environmental-justice-concept" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/163335.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">93</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">233</span> Exponential Spline Solution for Singularly Perturbed Boundary Value Problems with an Uncertain-But-Bounded Parameter </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Waheed%20Zahra">Waheed Zahra</a>, <a href="https://publications.waset.org/abstracts/search?q=Mohamed%20El-Beltagy"> Mohamed El-Beltagy</a>, <a href="https://publications.waset.org/abstracts/search?q=Ashraf%20El%20Mhlawy"> Ashraf El Mhlawy</a>, <a href="https://publications.waset.org/abstracts/search?q=Reda%20Elkhadrawy"> Reda Elkhadrawy</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this paper, we consider singular perturbation reaction-diffusion boundary value problems, which contain a small uncertain perturbation parameter. To solve these problems, we propose a numerical method which is based on an exponential spline and Shishkin mesh discretization. While interval analysis principle is used to deal with the uncertain parameter, sensitivity analysis has been conducted using different methods. Numerical results are provided to show the applicability and efficiency of our method, which is ε-uniform convergence of almost second order. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=singular%20perturbation%20problem" title="singular perturbation problem">singular perturbation problem</a>, <a href="https://publications.waset.org/abstracts/search?q=shishkin%20mesh" title=" shishkin mesh"> shishkin mesh</a>, <a href="https://publications.waset.org/abstracts/search?q=two%20small%20parameters" title=" two small parameters"> two small parameters</a>, <a href="https://publications.waset.org/abstracts/search?q=exponential%20spline" title=" exponential spline"> exponential spline</a>, <a href="https://publications.waset.org/abstracts/search?q=interval%20analysis" title=" interval analysis"> interval analysis</a>, <a href="https://publications.waset.org/abstracts/search?q=sensitivity%20analysis" title=" sensitivity analysis"> sensitivity analysis</a> </p> <a href="https://publications.waset.org/abstracts/91560/exponential-spline-solution-for-singularly-perturbed-boundary-value-problems-with-an-uncertain-but-bounded-parameter" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/91560.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">274</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">232</span> Thorium Extraction with Cyanex272 Coated Magnetic Nanoparticles</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Afshin%20Shahbazi">Afshin Shahbazi</a>, <a href="https://publications.waset.org/abstracts/search?q=Hadi%20Shadi%20Naghadeh"> Hadi Shadi Naghadeh</a>, <a href="https://publications.waset.org/abstracts/search?q=Ahmad%20Khodadadi%20Darban"> Ahmad Khodadadi Darban</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In the Magnetically Assisted Chemical Separation (MACS) process, tiny ferromagnetic particles coated with solvent extractant are used to selectively separate radionuclides and hazardous metals from aqueous waste streams. The contaminant-loaded particles are then recovered from the waste solutions using a magnetic field. In the present study, Cyanex272 or C272 (bis (2,4,4-trimethylpentyl) phosphinic acid) coated magnetic particles are being evaluated for the possible application in the extraction of Thorium (IV) from nuclear waste streams. The uptake behaviour of Th(IV) from nitric acid solutions was investigated by batch studies. Adsorption of Thorium (IV) from aqueous solution onto adsorbent was investigated in a batch system. Adsorption isotherm and adsorption kinetic studies of Thorium (IV) onto nanoparticles coated Cyanex272 were carried out in a batch system. The factors influencing Thorium (IV) adsorption were investigated and described in detail, as a function of the parameters such as initial pH value, contact time, adsorbent mass, and initial Thorium (IV) concentration. Magnetically Assisted Chemical Separation (MACS) process adsorbent showed best results for the fast adsorption of Th (IV) from aqueous solution at aqueous phase acidity value of 0.5 molar. In addition, more than 80% of Th (IV) was removed within the first 2 hours, and the time required to achieve the adsorption equilibrium was only 140 minutes. Langmuir and Frendlich adsorption models were used for the mathematical description of the adsorption equilibrium. Equilibrium data agreed very well with the Langmuir model, with a maximum adsorption capacity of 48 mg.g-1. Adsorption kinetics data were tested using pseudo-first-order, pseudo-second-order and intra-particle diffusion models. Kinetic studies showed that the adsorption followed a pseudo-second-order kinetic model, indicating that the chemical adsorption was the rate-limiting step. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Thorium%20%28IV%29%20adsorption" title="Thorium (IV) adsorption">Thorium (IV) adsorption</a>, <a href="https://publications.waset.org/abstracts/search?q=MACS%20process" title=" MACS process"> MACS process</a>, <a href="https://publications.waset.org/abstracts/search?q=magnetic%20nanoparticles" title=" magnetic nanoparticles"> magnetic nanoparticles</a>, <a href="https://publications.waset.org/abstracts/search?q=Cyanex272" title=" Cyanex272"> Cyanex272</a> </p> <a href="https://publications.waset.org/abstracts/21785/thorium-extraction-with-cyanex272-coated-magnetic-nanoparticles" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/21785.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">339</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">231</span> Theorical Studies on the Structural Properties of 2,3-Bis(Furan-2-Yl)Pyrazino[2,3-F][1,10]Phenanthroline Derivaties</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Zahra%20Sadeghian">Zahra Sadeghian</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper reports on the geometrical parameters optimized of the stationary point for the 2,3-Bis(furan-2-yl)pyrazino[2,3-f][1,10]phenanthroline. The calculations are performed using density functional theory (DFT) method at the B3LYP/LanL2DZ level. We determined bond lengths and bond angles values for the compound and calculate the amount of bond hybridization according to the natural bond orbital theory (NBO) too. The energy of frontier orbital (HOMO and LUMO) are computed. In addition, calculated data are accurately compared with the experimental result. This comparison show that the our theoretical data are in reasonable agreement with the experimental values. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=2" title="2">2</a>, <a href="https://publications.waset.org/abstracts/search?q=3-Bis%28furan-2-yl%29pyrazino%5B2" title="3-Bis(furan-2-yl)pyrazino[2">3-Bis(furan-2-yl)pyrazino[2</a>, <a href="https://publications.waset.org/abstracts/search?q=3-f%5D%5B1" title="3-f][1">3-f][1</a>, <a href="https://publications.waset.org/abstracts/search?q=10%5Dphenanthroline" title="10]phenanthroline">10]phenanthroline</a>, <a href="https://publications.waset.org/abstracts/search?q=density%20functional%20theory" title=" density functional theory"> density functional theory</a>, <a href="https://publications.waset.org/abstracts/search?q=theorical%20calculations" title=" theorical calculations"> theorical calculations</a>, <a href="https://publications.waset.org/abstracts/search?q=LanL2DZ%20level" title=" LanL2DZ level"> LanL2DZ level</a>, <a href="https://publications.waset.org/abstracts/search?q=B3LYP%20level" title=" B3LYP level"> B3LYP level</a> </p> <a href="https://publications.waset.org/abstracts/12220/theorical-studies-on-the-structural-properties-of-23-bisfuran-2-ylpyrazino23-f110phenanthroline-derivaties" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/12220.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">371</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">230</span> Photocatalytic Degradation of Produced Water Hydrocarbon of an Oil Field by Using Ag-Doped TiO₂ Nanoparticles</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Hamed%20Bazrafshan">Hamed Bazrafshan</a>, <a href="https://publications.waset.org/abstracts/search?q=Saeideh%20Dabirnia"> Saeideh Dabirnia</a>, <a href="https://publications.waset.org/abstracts/search?q=Zahra%20Alipour%20Tesieh"> Zahra Alipour Tesieh</a>, <a href="https://publications.waset.org/abstracts/search?q=Samaneh%20Alavi"> Samaneh Alavi</a>, <a href="https://publications.waset.org/abstracts/search?q=Bahram%20Dabir"> Bahram Dabir</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this study, the removal of pollutants of a real produced water sample from an oil reservoir (a light oil reservoir), using a photocatalytic degradation process in a cylindrical glass reactor, was investigated. Using TiO₂ and Ag-TiO₂ in slurry form, the photocatalytic degradation was studied by measuring the COD parameter, qualitative analysis, and GC-MS. At first, optimization of the parameters on photocatalytic degradation of hydrocarbon pollutants in real produced water, using TiO₂ nanoparticles as photocatalysts under UV light, was carried out applying response surface methodology. The results of the design of the experiment showed that the optimum conditions were at a catalyst concentration of 1.14 g/lit and pH of 2.67, and the percentage of COD removal was 72.65%. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=photocatalyst" title="photocatalyst">photocatalyst</a>, <a href="https://publications.waset.org/abstracts/search?q=Ag-doped" title=" Ag-doped"> Ag-doped</a>, <a href="https://publications.waset.org/abstracts/search?q=TiO%E2%82%82" title=" TiO₂"> TiO₂</a>, <a href="https://publications.waset.org/abstracts/search?q=produced%20water" title=" produced water"> produced water</a>, <a href="https://publications.waset.org/abstracts/search?q=nanoparticles" title=" nanoparticles"> nanoparticles</a> </p> <a href="https://publications.waset.org/abstracts/149150/photocatalytic-degradation-of-produced-water-hydrocarbon-of-an-oil-field-by-using-ag-doped-tio2-nanoparticles" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/149150.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">130</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">229</span> Electrical and Optical Properties of Polyaniline: Cadmium Sulphide Quantum Dots Nanocomposites</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Akhtar%20Rasool">Akhtar Rasool</a>, <a href="https://publications.waset.org/abstracts/search?q=Tasneem%20Zahra%20Rizvi"> Tasneem Zahra Rizvi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this study, a series of the cadmium sulphide quantum dots/polyaniline nanocomposites with varying compositions were prepared by in-situ polymerization technique and were characterized using X-ray diffraction and Fourier transform infrared spectroscopy. The surface morphology was studied by scanning electron microscopy. UV-Visible spectroscopy was used to find out the energy band gap of the nanoparticles and the nanocomposites. Temperature dependence of DC electrical conductivity and temperature and frequency dependence of AC conductivity were investigated to study the charge transport mechanism in the nanocomposites. DC conductivity was found to be a typical for a semiconducting behavior following Mott’s 1D variable range hoping model. The frequency dependent AC conductivity followed the universal power law. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=conducting%20polymers" title="conducting polymers">conducting polymers</a>, <a href="https://publications.waset.org/abstracts/search?q=nanocomposites" title=" nanocomposites"> nanocomposites</a>, <a href="https://publications.waset.org/abstracts/search?q=polyaniline%20composites" title=" polyaniline composites"> polyaniline composites</a>, <a href="https://publications.waset.org/abstracts/search?q=quantum%20dots" title=" quantum dots"> quantum dots</a> </p> <a href="https://publications.waset.org/abstracts/78400/electrical-and-optical-properties-of-polyaniline-cadmium-sulphide-quantum-dots-nanocomposites" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/78400.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">254</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">228</span> Total Quality Management in Algerian Manufacturing</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Nadia%20Fatima%20Zahra%20Malki">Nadia Fatima Zahra Malki</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The aim of the study is to show the role of total Quality Management on firm performance, research relied on the views of a sample managers working in the Marinel pharmaceutical company. The research aims to achieve many objectives, including increasing awareness of the concepts of Total Quality Management on Firm Performance, especially in the manufacturing firm, providing a future vision of the possibility of success, and the actual application of the Principles of Total Quality Management in the manufacturing company. The research adopted a default model was built after a review and analysis of the literature review in the context of one hypothesis's main points at the origin of a group of sub-hypotheses. The research presented a set of conclusions, and the most important of these conclusions was that there is a relationship between the Principles of TQM and Firm Performance. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=total%20quality%20management" title="total quality management">total quality management</a>, <a href="https://publications.waset.org/abstracts/search?q=competitive%20advantage" title=" competitive advantage"> competitive advantage</a>, <a href="https://publications.waset.org/abstracts/search?q=companies" title=" companies"> companies</a>, <a href="https://publications.waset.org/abstracts/search?q=objectives" title=" objectives"> objectives</a> </p> <a href="https://publications.waset.org/abstracts/185371/total-quality-management-in-algerian-manufacturing" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/185371.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">63</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">227</span> Nanohybride Porphyrin and Silver as an Efficient Catalyst for Oxidation of Alcohols by Tetrabutylammonium Peroxomonosulfate</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Atena%20Naeimi">Atena Naeimi</a>, <a href="https://publications.waset.org/abstracts/search?q=Asghar%20Amiri"> Asghar Amiri</a>, <a href="https://publications.waset.org/abstracts/search?q=Zahra%20Ghasemi"> Zahra Ghasemi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> A stable suspension of nanocomposite simple manganese(III) meso-tetraphenylporphyrin nanoaggregates and Ag was prepared by a host–guest procedure, in which ethanol and water are used as ‘green’ solvents. The oxidation of alcohols by tetrabutylammonium Peroxomonosulfate(TP) were efficiently enhanced with excellent selectivity under the influence of simple Mn(TPP)OAc (TPP = meso-tetraphenylporphyrin) nanoparticles. Enhanced stabilities and activities were achieved with nanostructured Mn catalysts compared to those of the individual counterparts in solution according to turnover numbers and UV/Vis studies. The title nanocatalyst facilitates a greener reaction because the reaction solvent is water and TP is safe to use. The efficiency of the oxidation system depends critically upon the steric hindrances and electronic structures of both nitrogen donor ligand sand porphyrin nanoparticles. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=oxidation" title="oxidation">oxidation</a>, <a href="https://publications.waset.org/abstracts/search?q=nanoaggregates" title=" nanoaggregates"> nanoaggregates</a>, <a href="https://publications.waset.org/abstracts/search?q=porphyrinoids" title=" porphyrinoids"> porphyrinoids</a>, <a href="https://publications.waset.org/abstracts/search?q=silver" title=" silver"> silver</a> </p> <a href="https://publications.waset.org/abstracts/38183/nanohybride-porphyrin-and-silver-as-an-efficient-catalyst-for-oxidation-of-alcohols-by-tetrabutylammonium-peroxomonosulfate" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/38183.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">296</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">226</span> An Agent-Service Oriented Framework for Online Contracts in Virtual Organizations</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Zahra%20Raeisi">Zahra Raeisi</a>, <a href="https://publications.waset.org/abstracts/search?q=Reza%20Akbari"> Reza Akbari</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Contracting is known as one of the important tasks in virtual organization creation. Contracting is a costly process in terms of time and effort. One way to cut the time and effort is conducting contract electronically. The online contracting enable us to form virtual organization (VO) dynamically. This work presents an agent-service oriented framework for online contracting in virtual organizations. The proposed framework considers the main aspects and steps of traditional contracting process and uses the efficiency of service and agent based methodologies in order to provide a flexible and efficient way to establish contracts electronically in a VO. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=service%20oriented%20architecture" title="service oriented architecture">service oriented architecture</a>, <a href="https://publications.waset.org/abstracts/search?q=online%20contracts" title=" online contracts"> online contracts</a>, <a href="https://publications.waset.org/abstracts/search?q=agent-oriented%20architecture" title=" agent-oriented architecture"> agent-oriented architecture</a>, <a href="https://publications.waset.org/abstracts/search?q=virtual%20organization" title=" virtual organization"> virtual organization</a> </p> <a href="https://publications.waset.org/abstracts/15640/an-agent-service-oriented-framework-for-online-contracts-in-virtual-organizations" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/15640.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">504</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">225</span> Total Quality Management in Companies Manufacturing</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Malki%20Nadia%20Fatima%20Zahra">Malki Nadia Fatima Zahra</a>, <a href="https://publications.waset.org/abstracts/search?q=Kellal%20Cheimaa"> Kellal Cheimaa</a>, <a href="https://publications.waset.org/abstracts/search?q=Brahimi%20Houria"> Brahimi Houria</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Aim of the study is to show the role of total Quality Management on firm performance; the research relied on the views of sample managers working in the Marinel pharmaceutical company. The research aims to achieve many objectives, including increasing awareness of the concepts of Total Quality Management on Firm Performance, especially in the manufacturing firm, providing a future vision of the possibility of success, and the actual application of the Principles of Total Quality Management in the manufacturing company. The research adopted a default model was built after a review and analysis of the literature review in the context of one hypothesis main points at the origin of a group of sub-hypotheses. The research presented a set of conclusions, and the most important of these conclusions was there is a relationship between the Principles of TQM and Firm Performance. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=total%20quality%20management" title="total quality management">total quality management</a>, <a href="https://publications.waset.org/abstracts/search?q=TQM%20dimension" title=" TQM dimension"> TQM dimension</a>, <a href="https://publications.waset.org/abstracts/search?q=firm%20performance" title=" firm performance"> firm performance</a>, <a href="https://publications.waset.org/abstracts/search?q=strategies" title=" strategies"> strategies</a> </p> <a href="https://publications.waset.org/abstracts/179411/total-quality-management-in-companies-manufacturing" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/179411.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">68</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">224</span> Feeding Habits and Condition Factor of Oreochromis niloticus in Lake Alau, Northeastern Nigeria</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Zahra%20Ali%20Lawan">Zahra Ali Lawan</a>, <a href="https://publications.waset.org/abstracts/search?q=Ali%20Abdulhakim"> Ali Abdulhakim </a> </p> <p class="card-text"><strong>Abstract:</strong></p> The stomach contents of 100 Oreochromis niloticus, sampled between April and August, 2011 in Alau Lake, northeastern Nigeria, were examined. Herbs and algae were the main contents representing 40.15%, 23.36% followed by some mud / sand components, insect parts and fish remains representing 14.60%, 13.87% and 8.03% respectively. Oreochromis niloticus was affirmed as an herbivore and a benthic feeder due to the presence of both herbs and mud/sand among its stomach content. The mean stomach fullness percentage was 70.94% and stomach emptiness was 29.06%. The average condition factor of the fishes was 1.69 with the best conditions recorded in the dry months of April and May at 1.74 and 1.94 respectively. The general trend in the condition factor for this species in this study is that relatively higher condition factors were recorded for relatively higher lengths. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=stomach%20contents" title="stomach contents">stomach contents</a>, <a href="https://publications.waset.org/abstracts/search?q=oreochromis%20niloticus" title=" oreochromis niloticus"> oreochromis niloticus</a>, <a href="https://publications.waset.org/abstracts/search?q=herbivores" title=" herbivores"> herbivores</a>, <a href="https://publications.waset.org/abstracts/search?q=Lake%20Alau" title=" Lake Alau"> Lake Alau</a> </p> <a href="https://publications.waset.org/abstracts/36608/feeding-habits-and-condition-factor-of-oreochromis-niloticus-in-lake-alau-northeastern-nigeria" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/36608.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">389</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">223</span> Functionalized PU Foam for Water Filtration</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Nidal%20H.%20Abu-Zahra">Nidal H. Abu-Zahra</a>, <a href="https://publications.waset.org/abstracts/search?q=Subhashini%20Gunashekar"> Subhashini Gunashekar</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Polyurethane foam is functionalized with Sulfonic acid groups to remove lead ions (Pb2+) from drinking water through a action exchange process. The synthesis is based on addition polymerization of the -NCO groups of an isocyanine with the –OH groups of a polio to form the urethane. Toluene-diisocyanateis reacted with Polypropylene glycol to form a linear pre-polymer, which is further polymerized using a chain extender, N, N-bis(2-hydorxyethyl)-2-aminoethane-sulfonic acid (BES). BES acts as a functional group site to exchange Pb2+ ions. A set of experiments was designed to study the effect of various processing parameters on the performance of the synthesized foam. The maximum Pb2+ ion exchange capacity of the foam was found to be 47ppb/g from a 100ppb Pb2+ solution over a period of 60 minutes. A multistage batch filtration process increased the lead removal to 50-54ppb/3g of foam over a period of 90 minutes. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=adsorption" title="adsorption">adsorption</a>, <a href="https://publications.waset.org/abstracts/search?q=functionalized" title=" functionalized"> functionalized</a>, <a href="https://publications.waset.org/abstracts/search?q=ion%20exchange" title=" ion exchange"> ion exchange</a>, <a href="https://publications.waset.org/abstracts/search?q=polyurethane" title=" polyurethane"> polyurethane</a>, <a href="https://publications.waset.org/abstracts/search?q=sulfonic" title=" sulfonic"> sulfonic</a> </p> <a href="https://publications.waset.org/abstracts/3776/functionalized-pu-foam-for-water-filtration" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/3776.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">244</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">222</span> Pregnancy through the Lens of Iranian Women with HIV: A Qualitative</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Zahra%20BehboodiI-Moghadam">Zahra BehboodiI-Moghadam</a>, <a href="https://publications.waset.org/abstracts/search?q=Zohre%20Khalajinia"> Zohre Khalajinia</a>, <a href="https://publications.waset.org/abstracts/search?q=Ali%20Reza%20Nikbakht%20Nasrabadi"> Ali Reza Nikbakht Nasrabadi</a>, <a href="https://publications.waset.org/abstracts/search?q=Minoo%20Mohraz"> Minoo Mohraz </a> </p> <p class="card-text"><strong>Abstract:</strong></p> The purpose of our study was to explore and describe the experiences of pregnant women with HIV in Iran. A qualitative exploratory study with conventional content analysis was used. Twelve pregnant women with HIV who referred to perinatal care at the Imam Khomeini Hospital Behavioral Diseases Consultation: Center in Tehran were recruited to participate in in-depth interviews. The average age of the participants was 32.5 years. Four main themes were extracted from the data: “fear and hope, “stigma and discrimination, “marital life stability” and “trust”. The findings reveal the pregnant women living with HIV are vulnerable and need professional support. Improving the knowledge of healthcare professionals especially midwifes on pregnancy complications for women with HIV is crucial in order to provide high-quality care to pregnant women with HIV-positive. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=HIV" title="HIV">HIV</a>, <a href="https://publications.waset.org/abstracts/search?q=pregnancy" title=" pregnancy"> pregnancy</a>, <a href="https://publications.waset.org/abstracts/search?q=content%20analysis" title=" content analysis"> content analysis</a>, <a href="https://publications.waset.org/abstracts/search?q=experiences" title=" experiences"> experiences</a>, <a href="https://publications.waset.org/abstracts/search?q=Iran" title=" Iran"> Iran</a>, <a href="https://publications.waset.org/abstracts/search?q=qualitative%20research" title=" qualitative research"> qualitative research</a> </p> <a href="https://publications.waset.org/abstracts/15977/pregnancy-through-the-lens-of-iranian-women-with-hiv-a-qualitative" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/15977.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">472</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">221</span> Determination of Heavy Metals (Cd, Pb, Hg, Cu, Fe, Mn, Al, As, Ni and Zn) in 6 Important Commercial Fish Species in North of Hormoz Strait</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Majid%20Afkhami">Majid Afkhami</a>, <a href="https://publications.waset.org/abstracts/search?q=Maryam%20Ehsanpour"> Maryam Ehsanpour</a>, <a href="https://publications.waset.org/abstracts/search?q=Zahra%20Khoshnood"> Zahra Khoshnood </a> </p> <p class="card-text"><strong>Abstract:</strong></p> The concentrations of 10 heavy metals (Cd, Pb, Hg, Cu, Fe, Mn, Al, As, Ni, Zn) were measured in muscle, gill and liver of 6 species from Hormoz Strait in north coast of Persian Gulf in 12 months (April 2009 – March 2010). All samples were analyzed three times for Cd, Pb, Cu, Fe, Mn, Al, As, Ni, Zn by inductively coupled plasma-atomic emission spectrometry (ICP-AES) and for Hg by LECO AMA254 Advanced Mercury Analyzer. Results of this study showed that iron had the highest concentration (total mean concentration) in all species, followed by Zn, Cu, Ni, Al, Pb, Mn, Cd, Hg and lowest concentration in three tissues was As. In addition, the accumulation of metals was species-dependent, and was higher in Scomberomorous commerson and Scomberomorous guttatus (p<0.05) and the lowest concentration was record in Pampus argenteus (p<0.05). <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Persian%20Gulf" title="Persian Gulf">Persian Gulf</a>, <a href="https://publications.waset.org/abstracts/search?q=heavy%20metals" title=" heavy metals"> heavy metals</a>, <a href="https://publications.waset.org/abstracts/search?q=Hormoz%20strait" title=" Hormoz strait"> Hormoz strait</a>, <a href="https://publications.waset.org/abstracts/search?q=Scomberomorous%20guttatus" title=" Scomberomorous guttatus"> Scomberomorous guttatus</a>, <a href="https://publications.waset.org/abstracts/search?q=Scomberomorous%20commerson" title=" Scomberomorous commerson"> Scomberomorous commerson</a>, <a href="https://publications.waset.org/abstracts/search?q=Pampus%20argenteus" title=" Pampus argenteus"> Pampus argenteus</a> </p> <a href="https://publications.waset.org/abstracts/14326/determination-of-heavy-metals-cd-pb-hg-cu-fe-mn-al-as-ni-and-zn-in-6-important-commercial-fish-species-in-north-of-hormoz-strait" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/14326.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">660</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">220</span> Enhanced Thermal Properties of Rigid PVC Foams Using Fly Ash</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Nidal%20H.%20Abu-Zahra">Nidal H. Abu-Zahra</a>, <a href="https://publications.waset.org/abstracts/search?q=Parisa%20Khoshnoud"> Parisa Khoshnoud</a>, <a href="https://publications.waset.org/abstracts/search?q=Murtatha%20Jamel"> Murtatha Jamel</a>, <a href="https://publications.waset.org/abstracts/search?q=Subhashini%20Gunashekar"> Subhashini Gunashekar </a> </p> <p class="card-text"><strong>Abstract:</strong></p> PVC foam-fly ash composites (PVC-FA) are characterized for their structural, morphological, mechanical and thermal properties. The tensile strength of the composites increased modestly with higher fly ash loading, while there was a significant increase in the elastic modulus for the same composites. On the other hand, a decrease in elongation at UTS was observed upon increasing fly ash content due to increased rigidity of the composites. Similarly, the flexural modulus increased as the fly ash loading increased, where the composites containing 25 phr fly ash showed the highest flexural strength. Thermal properties of PVC-fly ash composites were determined by Thermo Gravimetric Analysis (TGA). The micro structural properties were studied by Scanning Electron Microscopy (SEM). SEM results confirm that fly ash particles were mechanically interlocked in PVC matrix with good inter facial interaction with the matrix. Particle agglomeration and debonding was observed in samples containing higher amounts of fly ash. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=PVC%20foam" title="PVC foam">PVC foam</a>, <a href="https://publications.waset.org/abstracts/search?q=polyvinyl%20chloride" title=" polyvinyl chloride"> polyvinyl chloride</a>, <a href="https://publications.waset.org/abstracts/search?q=rigid%20PVC" title=" rigid PVC"> rigid PVC</a>, <a href="https://publications.waset.org/abstracts/search?q=fly%20ash%20composites" title=" fly ash composites"> fly ash composites</a>, <a href="https://publications.waset.org/abstracts/search?q=polymer%20composites" title=" polymer composites"> polymer composites</a> </p> <a href="https://publications.waset.org/abstracts/18474/enhanced-thermal-properties-of-rigid-pvc-foams-using-fly-ash" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/18474.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">390</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">219</span> Enhancing Power Conversion Efficiency of P3HT/PCBM Polymer Solar Cells</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Nidal%20H.%20Abu-Zahra">Nidal H. Abu-Zahra</a>, <a href="https://publications.waset.org/abstracts/search?q=Mahmoud%20Algazzar"> Mahmoud Algazzar</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this research, n-dodecylthiol was added to P3HT/PC70BM polymer solar cells to improve the crystallinity of P3HT and enhance the phase separation of P3HT/PC70BM. The improved crystallinity of P3HT/PC70BM doped with 0-5% by volume of n-dodecylthiol resulted in improving the power conversion efficiency of polymer solar cells by 33%. In addition, thermal annealing of the P3HT/PC70MB/n-dodecylthiolcompound showed further improvement in crystallinity with n-dodecylthiol concentration up to 2%. The highest power conversion efficiency of 3.21% was achieved with polymer crystallites size L of 11.2nm, after annealing at 150°C for 30 minutes under a vacuum atmosphere. The smaller crystallite size suggests a shorter path of the charge carriers between P3HT backbones, which could be beneficial to getting a higher short circuit current in the devices made with the additive. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=n-dodecylthiol" title="n-dodecylthiol">n-dodecylthiol</a>, <a href="https://publications.waset.org/abstracts/search?q=congugated%20PSC" title=" congugated PSC"> congugated PSC</a>, <a href="https://publications.waset.org/abstracts/search?q=P3HT%2FPCBM" title=" P3HT/PCBM"> P3HT/PCBM</a>, <a href="https://publications.waset.org/abstracts/search?q=polymer%20solar%20cells" title=" polymer solar cells"> polymer solar cells</a> </p> <a href="https://publications.waset.org/abstracts/3778/enhancing-power-conversion-efficiency-of-p3htpcbm-polymer-solar-cells" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/3778.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">283</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">218</span> The Impact of Online Advertising on Consumer Purchase Behaviour Based on Malaysian Organizations</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Naser%20Zourikalatehsamad">Naser Zourikalatehsamad</a>, <a href="https://publications.waset.org/abstracts/search?q=Seyed%20Abdorreza%20Payambarpour"> Seyed Abdorreza Payambarpour</a>, <a href="https://publications.waset.org/abstracts/search?q=Ibrahim%20Alwashali"> Ibrahim Alwashali</a>, <a href="https://publications.waset.org/abstracts/search?q=Zahra%20Abdolkarimi"> Zahra Abdolkarimi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The paper aims to evaluate the effect of online advertising on consumer purchase behavior in Malaysian organizations. The paper has potential to extend and refine theory. A survey was distributed among Students of UTM university during the winter 2014 and 160 responses were collected. Regression analysis was used to test the hypothesized relationships of the model. Result shows that the predictors (cost saving factor, convenience factor and customized product or services) have positive impact on intention to continue seeking online advertising. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=consumer%20purchase" title="consumer purchase">consumer purchase</a>, <a href="https://publications.waset.org/abstracts/search?q=convenience" title=" convenience"> convenience</a>, <a href="https://publications.waset.org/abstracts/search?q=customized%20product" title=" customized product"> customized product</a>, <a href="https://publications.waset.org/abstracts/search?q=cost%20saving" title=" cost saving"> cost saving</a>, <a href="https://publications.waset.org/abstracts/search?q=customization" title=" customization"> customization</a>, <a href="https://publications.waset.org/abstracts/search?q=flow%20theory" title=" flow theory"> flow theory</a>, <a href="https://publications.waset.org/abstracts/search?q=mass%20communication" title=" mass communication"> mass communication</a>, <a href="https://publications.waset.org/abstracts/search?q=online%20advertising%20ads" title=" online advertising ads"> online advertising ads</a>, <a href="https://publications.waset.org/abstracts/search?q=online%20advertising%20measurement" title=" online advertising measurement"> online advertising measurement</a>, <a href="https://publications.waset.org/abstracts/search?q=online%20advertising%20mechanism" title=" online advertising mechanism"> online advertising mechanism</a>, <a href="https://publications.waset.org/abstracts/search?q=online%20intelligence%20system" title=" online intelligence system"> online intelligence system</a>, <a href="https://publications.waset.org/abstracts/search?q=self-confidence" title=" self-confidence"> self-confidence</a>, <a href="https://publications.waset.org/abstracts/search?q=willingness%20to%20purchase" title=" willingness to purchase "> willingness to purchase </a> </p> <a href="https://publications.waset.org/abstracts/37191/the-impact-of-online-advertising-on-consumer-purchase-behaviour-based-on-malaysian-organizations" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/37191.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">481</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">217</span> Characterization of 3D Printed Re-Entrant Chiral Auxetic Geometries</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Tatheer%20Zahra">Tatheer Zahra</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Auxetic materials have counteractive properties due to re-entrant geometry that enables them to possess Negative Poisson’s Ratio (NPR). These materials have better energy absorbing and shock resistance capabilities as compared to conventional positive Poisson’s ratio materials. The re-entrant geometry can be created through 3D printing for convenient application of these materials. This paper investigates the mechanical properties of 3D printed chiral auxetic geometries of various sizes. Small scale samples were printed using an ordinary 3D printer and were tested under compression and tension to ascertain their strength and deformation characteristics. A maximum NPR of -9 was obtained under compression and tension. The re-entrant chiral cell size has been shown to affect the mechanical properties of the re-entrant chiral auxetics. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=auxetic%20materials" title="auxetic materials">auxetic materials</a>, <a href="https://publications.waset.org/abstracts/search?q=3D%20printing" title=" 3D printing"> 3D printing</a>, <a href="https://publications.waset.org/abstracts/search?q=Negative%20Poisson%E2%80%99s%20Ratio" title=" Negative Poisson’s Ratio"> Negative Poisson’s Ratio</a>, <a href="https://publications.waset.org/abstracts/search?q=re-entrant%20chiral%20auxetics" title=" re-entrant chiral auxetics"> re-entrant chiral auxetics</a> </p> <a href="https://publications.waset.org/abstracts/135218/characterization-of-3d-printed-re-entrant-chiral-auxetic-geometries" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/135218.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">123</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">216</span> The Role of Accounting in the Run-Added Tax in Iran</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Zahra%20Karimi">Zahra Karimi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Money is not the only medium of economic exchanges, but also affects the national identity of citizens and national sovereignty of the government. Hence, money can be used as a tool to strengthen the national and political identity of nations. In other words, the value of the national currency can be affecting citizen’s view to the economic situation of their country and national identity. Government with the maintenance of the value of the national currency must increase the confidence of its citizens into national currency and prevents that "currency substitution phenomenon" occurred and people turn to foreign currencies. Hence, this article intends to explain the zeros elimination from the national currency and study of experience of other countries and discussion history analyzed benefits and harms of zeroes elimination from the national currency, And then to evaluate the effect or lack of effect of removing of zeros from the national currency on inflation answer the question whether it is appropriate and on time to delete three zeros from the Riyal of Iran is or not? <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=zeros%20elimination%20from%20the%20national%20currency" title="zeros elimination from the national currency">zeros elimination from the national currency</a>, <a href="https://publications.waset.org/abstracts/search?q=value%20of%20the%20national%20currency" title=" value of the national currency"> value of the national currency</a>, <a href="https://publications.waset.org/abstracts/search?q=Riyal" title=" Riyal"> Riyal</a>, <a href="https://publications.waset.org/abstracts/search?q=inflation" title=" inflation"> inflation</a>, <a href="https://publications.waset.org/abstracts/search?q=Iran" title=" Iran"> Iran</a>, <a href="https://publications.waset.org/abstracts/search?q=money" title=" money"> money</a>, <a href="https://publications.waset.org/abstracts/search?q=government" title=" government"> government</a> </p> <a href="https://publications.waset.org/abstracts/19873/the-role-of-accounting-in-the-run-added-tax-in-iran" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/19873.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">538</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">215</span> Energy Management System Based on Voltage Fluctuations Minimization for Droop-Controlled Islanded Microgrid</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Zahra%20Majd">Zahra Majd</a>, <a href="https://publications.waset.org/abstracts/search?q=Mohsen%20Kalantar"> Mohsen Kalantar</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Power management and voltage regulation is one of the most important issues in microgrid (MG) control and scheduling. This paper proposes a multiobjective scheduling formulation that consists of active power costs, voltage fluctuations summation, and technical constraints of MG. Furthermore, load flow and reserve constraints are considered to achieve proper voltage regulation. A modified Jacobian matrix is presented for calculating voltage variations and Mont Carlo simulation is used for generating and reducing scenarios. To convert the problem to a mixed integer linear program, a linearization procedure for nonlinear equations is presented. The proposed model is applied to a typical low-voltage MG and two different cases are investigated. The results show the effectiveness of the proposed model. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=microgrid" title="microgrid">microgrid</a>, <a href="https://publications.waset.org/abstracts/search?q=energy%20management%20system" title=" energy management system"> energy management system</a>, <a href="https://publications.waset.org/abstracts/search?q=voltage%20fluctuations" title=" voltage fluctuations"> voltage fluctuations</a>, <a href="https://publications.waset.org/abstracts/search?q=modified%20Jacobian%20matrix" title=" modified Jacobian matrix"> modified Jacobian matrix</a> </p> <a href="https://publications.waset.org/abstracts/168897/energy-management-system-based-on-voltage-fluctuations-minimization-for-droop-controlled-islanded-microgrid" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/168897.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">91</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">214</span> Comparative Study of Ecological City Criteria in Traditional Iranian Cities</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Zahra%20Yazdani%20Paraii">Zahra Yazdani Paraii</a>, <a href="https://publications.waset.org/abstracts/search?q=Zohreh%20Yazdani%20Paraei"> Zohreh Yazdani Paraei</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Many urban designers and planners have been involved in the design of environmentally friendly or nature adaptable urban development models due to increase in urban populations in the recent century, limitation on natural resources, climate change, and lack of enough water and food. Ecological city is one of the latest models proposed to accomplish the latter goal. In this work, the existing establishing indicators of the ecological city are used regarding energy, water, land use and transportation issues. The model is used to compare the function of traditional settlements of Iran. The result of investigation shows that the specifications and functions of the traditional settlements of Iran fit well into the ecological city model. It is found that the inhabitants of the old cities and villages in Iran had founded ecological cities based on their knowledge of the environment and its natural opportunities and limitations. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=ecological%20city" title="ecological city">ecological city</a>, <a href="https://publications.waset.org/abstracts/search?q=traditional%20city" title=" traditional city"> traditional city</a>, <a href="https://publications.waset.org/abstracts/search?q=urban%20design" title=" urban design"> urban design</a>, <a href="https://publications.waset.org/abstracts/search?q=environment" title=" environment"> environment</a> </p> <a href="https://publications.waset.org/abstracts/79141/comparative-study-of-ecological-city-criteria-in-traditional-iranian-cities" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/79141.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">253</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">213</span> Mercury Detection in Two Fishes from the Persian Gulf</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Zahra%20Khoshnood">Zahra Khoshnood</a>, <a href="https://publications.waset.org/abstracts/search?q=Mehdi%20Kazaie"> Mehdi Kazaie</a>, <a href="https://publications.waset.org/abstracts/search?q=Sajedeh%20Neisi"> Sajedeh Neisi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In 2013, 24 fish samples were taken from two fishery regions in the north of Persian Gulf near the Iranian coastal lines. The two flatfishes were Yellofin seabream (Acanthopagrus latus) and Longtail tuna (Thannus tonggol). We analyzed total Hg concentration of liver and muscle tissues by Mercury Analyzer (model LECO AMA 254). The average concentration of total Hg in edible Muscle tissue of deep-Flounder was measured in Bandar-Abbas and was found to be 18.92 and it was 10.19 µg.g-1 in Bandar-Lengeh. The corresponding values for Oriental sole were 8.47 and 0.08 µg.g-1. The average concentration of Hg in liver tissue of deep-Flounder, in Bandar-Abbas was 25.49 and that in Bandar-Lengeh was 12.52 µg.g-1.the values for Oriental sole were 11.88 and 3.2 µg.g-1 in Bandar-Abbas and Bandar-Lengeh, respectively. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=mercury" title="mercury">mercury</a>, <a href="https://publications.waset.org/abstracts/search?q=Acanthopagrus%20latus" title=" Acanthopagrus latus"> Acanthopagrus latus</a>, <a href="https://publications.waset.org/abstracts/search?q=Thannus%20tonggol" title=" Thannus tonggol"> Thannus tonggol</a>, <a href="https://publications.waset.org/abstracts/search?q=Persian%20Gulf" title=" Persian Gulf "> Persian Gulf </a> </p> <a href="https://publications.waset.org/abstracts/14674/mercury-detection-in-two-fishes-from-the-persian-gulf" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/14674.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">603</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">212</span> The Study of Indigenous Communities in Sefidkuh Makran, the Showcase of Prehistoric Societies in the 21st Century, Based on Ethnoarchaeological Studies</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Hossein%20Vahedi">Hossein Vahedi</a>, <a href="https://publications.waset.org/abstracts/search?q=Zahra%20Soleymani%20Fard"> Zahra Soleymani Fard</a> </p> <p class="card-text"><strong>Abstract:</strong></p> SefidKuh area in Baluchistan, Iran, is one of the impossible areas which the focused archeological investigations have not been on it. In the Sefidkuh area, there are colonies as if they were stopped in the Neolithic and Chalcolithic ages. These colonies exhibit culturally specific behaviors, which their study can reveal much of the cultural nature of the Neolithic, Chalcolithic inhabitants of the region. In the villages of this area, still, circular architecture is used in different types. The political management of the villages in the region is also the responsibility of Khan, whose characteristics can be compared to the prehistoric era. These people's livelihoods include hunting, animal husbandry, horticulture, and limited crop storage. Residents of Sefidkuh use the exchange of goods to obtain needed supplies that they themselves cannot produce. In this area, there are central location villages that are quite similar to the cluster model, and the Great Khan leads the surrounding villages. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=archaeology" title="archaeology">archaeology</a>, <a href="https://publications.waset.org/abstracts/search?q=social%20structure" title=" social structure"> social structure</a>, <a href="https://publications.waset.org/abstracts/search?q=neolithic" title=" neolithic"> neolithic</a>, <a href="https://publications.waset.org/abstracts/search?q=chalcolithic" title=" chalcolithic"> chalcolithic</a>, <a href="https://publications.waset.org/abstracts/search?q=Sefidkuh" title=" Sefidkuh"> Sefidkuh</a>, <a href="https://publications.waset.org/abstracts/search?q=Baluchistan" title=" Baluchistan"> Baluchistan</a> </p> <a href="https://publications.waset.org/abstracts/154623/the-study-of-indigenous-communities-in-sefidkuh-makran-the-showcase-of-prehistoric-societies-in-the-21st-century-based-on-ethnoarchaeological-studies" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/154623.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">118</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">211</span> The Role of Information and Communication Technology in Achieving Competitive Advantage</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Malki%20Fatima%20Zahra%20Nadia">Malki Fatima Zahra Nadia</a>, <a href="https://publications.waset.org/abstracts/search?q=Kellal%20Chaimaa"> Kellal Chaimaa</a>, <a href="https://publications.waset.org/abstracts/search?q=Brahimi%20Houria"> Brahimi Houria</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The world has undergone a big dramatic transformations as a result of the liberalization of the economy. Which lead to intensity of competition between economic institutions under the slogan “ Survival of the fittest”.in the line with these changes, it is imperative for Organizations to adopt the philosophy of applying ICT in the era of globalization in order to survive and sustain in the local and international markets.and even the Algerian economic institutions are concerned in what witnessed by the international institutions,especially after Algeria adopted the policy of trade openness.And from this point, it was the start of the study, that aims at identifying the role of ICT in achieving competitive advantage in the economic institutions according to an analytical study of Mobilis Telecom in Algeria city, and then the analysis of the results by SPSS edition 24.To sum up, i have come to the conclusion that ICT has effectively contributed to the achievement of competitive advantage, and that the value of organizations today lies in the extent to which they use ICT’s which make it gain speed, efficiency, and the quality of its operations especially in the competitive competition. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=ICT" title="ICT">ICT</a>, <a href="https://publications.waset.org/abstracts/search?q=company" title=" company"> company</a>, <a href="https://publications.waset.org/abstracts/search?q=competitive%20advantage" title=" competitive advantage"> competitive advantage</a>, <a href="https://publications.waset.org/abstracts/search?q=competitive%20strategie" title=" competitive strategie"> competitive strategie</a> </p> <a href="https://publications.waset.org/abstracts/179602/the-role-of-information-and-communication-technology-in-achieving-competitive-advantage" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/179602.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">63</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">210</span> Childhood Obesity: Future Direction and Education Priorities</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Zahra%20Ranjbar">Zahra Ranjbar</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Interpretive structural modeling (ISM) is a well-established methodology for identifying relationships among specific variables, which define a problem or an issue. In this study most important variables that have critical role in children obesity problem were introduce by ISM questionnaire technique and their relationships were determine. Our findings suggested that sedentary activities are top level variables and school teachers and administrators, public education and scientific collaborations are bottom level variables in children obesity problem. Control of dietary, Physical education program, parents, government and motivation strategies variables are depend to other variables. They are very sensitive to external variables. Also, physical education program, parents, government, motivation, school teachers and administrators, public education and collaboration variables have strong driving power. They are linkage factors; it means that they can be effective on children obesity problem directly. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=ISM" title="ISM">ISM</a>, <a href="https://publications.waset.org/abstracts/search?q=variable" title=" variable"> variable</a>, <a href="https://publications.waset.org/abstracts/search?q=obesity" title=" obesity"> obesity</a>, <a href="https://publications.waset.org/abstracts/search?q=physical%20education" title=" physical education"> physical education</a>, <a href="https://publications.waset.org/abstracts/search?q=children" title=" children"> children</a> </p> <a href="https://publications.waset.org/abstracts/20302/childhood-obesity-future-direction-and-education-priorities" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/20302.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">456</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">209</span> Enhanced Dimensional Stability of Rigid PVC Foams Using Glass Fibers</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Nidal%20H.%20Abu-Zahra">Nidal H. Abu-Zahra</a>, <a href="https://publications.waset.org/abstracts/search?q=Murtatha%20M.%20Jamel"> Murtatha M. Jamel</a>, <a href="https://publications.waset.org/abstracts/search?q=Parisa%20Khoshnoud"> Parisa Khoshnoud</a>, <a href="https://publications.waset.org/abstracts/search?q=Subhashini%20Gunashekar"> Subhashini Gunashekar</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Two types of glass fibers having different lengths (1/16" and 1/32") were added into rigid PVC foams to enhance the dimensional stability of extruded rigid Polyvinyl Chloride (PVC) foam at different concentrations (0-20 phr) using a single screw profile extruder. PVC foam-glass fiber composites (PVC-GF) were characterized for their dimensional stability, structural, thermal, and mechanical properties. Experimental results show that the dimensional stability, heat resistance, and storage modulus were enhanced without compromising the tensile and flexural strengths of the composites. Overall, foam composites which were prepared with longer glass fibers exhibit better mechanical and thermal properties than those prepared with shorter glass fibers due to higher interlocking between the fibers and the foam cells, which result in better load distribution in the matrix. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=polyvinyl%20chloride" title="polyvinyl chloride">polyvinyl chloride</a>, <a href="https://publications.waset.org/abstracts/search?q=PVC%20foam" title=" PVC foam"> PVC foam</a>, <a href="https://publications.waset.org/abstracts/search?q=PVC%20composites" title=" PVC composites"> PVC composites</a>, <a href="https://publications.waset.org/abstracts/search?q=polymer%20composites" title=" polymer composites"> polymer composites</a>, <a href="https://publications.waset.org/abstracts/search?q=glass%20fiber%20composites" title=" glass fiber composites"> glass fiber composites</a>, <a href="https://publications.waset.org/abstracts/search?q=reinforced%20polymers" title=" reinforced polymers"> reinforced polymers</a> </p> <a href="https://publications.waset.org/abstracts/18461/enhanced-dimensional-stability-of-rigid-pvc-foams-using-glass-fibers" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/18461.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">396</span> </span> </div> </div> <ul class="pagination"> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=Zahra%20Khodadadi&page=1" rel="prev">&lsaquo;</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=Zahra%20Khodadadi&page=1">1</a></li> <li class="page-item active"><span class="page-link">2</span></li> <li class="page-item"><a class="page-link" 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