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Search results for: A. Shabani
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Shabani"> <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> 9</div> </div> </div> </div> <h1 class="mt-3 mb-3 text-center" style="font-size:1.6rem;">Search results for: A. Shabani</h1> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">9</span> The Proof of Two Conjectures Related to Pell-s Equation x2 −Dy2 = ± 4</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=Armend%20Sh.%20Shabani">Armend Sh. Shabani</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Let D ≠ 1 be a positive non-square integer. In this paper are given the proofs for two conjectures related to Pell-s equation x2 -Dy2 = ± 4, proposed by A. Tekcan. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Pell%27s%20equation" title="Pell's equation">Pell's equation</a>, <a href="https://publications.waset.org/search?q=solutions%20of%20Pell%27s%20equation." title=" solutions of Pell's equation."> solutions of Pell's equation.</a> </p> <a href="https://publications.waset.org/14954/the-proof-of-two-conjectures-related-to-pell-s-equation-x2-dy2-4" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/14954/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/14954/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/14954/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/14954/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/14954/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/14954/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/14954/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/14954/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/14954/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/14954/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/14954.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">1238</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">8</span> New Complexes of Nickel (II) Using 4-Hydroxy-2-Oxo-2H-Chromene-3-Carboxamide as Ligand</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=Dije%20Dehari">Dije Dehari</a>, <a href="https://publications.waset.org/search?q=Ahmed%20Jashari"> Ahmed Jashari</a>, <a href="https://publications.waset.org/search?q=Shefket%20Dehari"> Shefket Dehari</a>, <a href="https://publications.waset.org/search?q=Agim%20Shabani"> Agim Shabani</a> </p> <p class="card-text"><strong>Abstract:</strong></p> <p>New complexes of nickel (II) have been synthesized in the reaction mixture of nickel (II) acetate and 4-hydroxy-2-oxo-2<em>H</em>-chromene-3-carboxamide. Bis(4-hydroxy-2-oxo-2<em>H</em>-chromene-3-carboxamidato-O,O)nickel (II) and diaquabis(4-hydroxy-2-oxo-2H-chromene-3-carboxamidato-O,O)nickel (II) were characterized by elemental analysis, IR spectroscopy and ESI mass spectrometry. Elemental analysis and mass spectrometry data of the complexes suggests the stoichiometry of 1:2 (metal-ligand).</p> <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Nickel%20complexes" title="Nickel complexes">Nickel complexes</a>, <a href="https://publications.waset.org/search?q=4-hydroxy-2-oxo-2H-chromene-3-carboxamide" title=" 4-hydroxy-2-oxo-2H-chromene-3-carboxamide"> 4-hydroxy-2-oxo-2H-chromene-3-carboxamide</a>, <a href="https://publications.waset.org/search?q=IR%20spectroscopy" title=" IR spectroscopy"> IR spectroscopy</a>, <a href="https://publications.waset.org/search?q=mass%20spectrometry." title=" mass spectrometry. "> mass spectrometry. </a> </p> <a href="https://publications.waset.org/16900/new-complexes-of-nickel-ii-using-4-hydroxy-2-oxo-2h-chromene-3-carboxamide-as-ligand" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/16900/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/16900/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/16900/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/16900/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/16900/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/16900/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/16900/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/16900/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/16900/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/16900/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/16900.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">2231</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">7</span> Energy Savings in Pumps</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=N.%20Dizadji">N. Dizadji</a>, <a href="https://publications.waset.org/search?q=P.%20Entezar"> P. Entezar</a>, <a href="https://publications.waset.org/search?q=A.%20Shabani"> A. Shabani</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This study presents energy saving in general-purpose pumps widely used in industrial applications. Such pumps are normally driven by a constant-speed electrical motor which in most applications must support varying load conditions. This is equivalent to saying the loading conditions mismatch the designed optimal energy consumption requirements of the intended application thus resulting in substantial energy losses. In the held experiments it was indicated that combination of mechanical and electrical speed drives can contribute to lower energy consumption in the pump without negatively distorting the required performance indices of a typical centrifugal pump at substantially lower energy consumption. The registered energy savings were recorded to be within the 15-40% margin. It was also indicated that although VSDs are installed at a cost, the financial burden is balanced against the earnings resulting from the associated energy savings. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Industrial%20motors" title="Industrial motors">Industrial motors</a>, <a href="https://publications.waset.org/search?q=Pumps" title=" Pumps"> Pumps</a>, <a href="https://publications.waset.org/search?q=Energy%20consumption" title=" Energy consumption"> Energy consumption</a>, <a href="https://publications.waset.org/search?q=Energy%20savings" title=" Energy savings"> Energy savings</a>, <a href="https://publications.waset.org/search?q=Variable%20speed%20drive." title=" Variable speed drive."> Variable speed drive.</a> </p> <a href="https://publications.waset.org/15410/energy-savings-in-pumps" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/15410/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/15410/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/15410/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/15410/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/15410/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/15410/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/15410/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/15410/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/15410/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/15410/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/15410.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">2094</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">6</span> Reconfiguration of Deregulated Distribution Network for Minimizing Energy Supply Cost by using Multi-Objective BGA</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=H.%20Kazemi%20Karegar">H. Kazemi Karegar</a>, <a href="https://publications.waset.org/search?q=S.%20Jalilzadeh"> S. Jalilzadeh</a>, <a href="https://publications.waset.org/search?q=V.%20Nabaei"> V. Nabaei</a>, <a href="https://publications.waset.org/search?q=A.%20Shabani"> A. Shabani</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this paper, the problem of finding the optimal topological configuration of a deregulated distribution network is considered. The new features of this paper are proposing a multiobjective function and its application on deregulated distribution networks for finding the optimal configuration. The multi-objective function will be defined for minimizing total Energy Supply Costs (ESC) and energy losses subject to load flow constraints. The optimal configuration will be obtained by using Binary Genetic Algorithm (BGA).The proposed method has been tested to analyze a sample and a practical distribution networks. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Binary%20Genetic%20Algorithm" title="Binary Genetic Algorithm">Binary Genetic Algorithm</a>, <a href="https://publications.waset.org/search?q=Deregulated%0ADistribution%20Network" title=" Deregulated Distribution Network"> Deregulated Distribution Network</a>, <a href="https://publications.waset.org/search?q=Minimizing%20Cost" title=" Minimizing Cost"> Minimizing Cost</a>, <a href="https://publications.waset.org/search?q=Reconfiguration." title=" Reconfiguration."> Reconfiguration.</a> </p> <a href="https://publications.waset.org/12405/reconfiguration-of-deregulated-distribution-network-for-minimizing-energy-supply-cost-by-using-multi-objective-bga" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/12405/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/12405/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/12405/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/12405/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/12405/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/12405/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/12405/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/12405/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/12405/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/12405/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/12405.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">1412</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">5</span> GEP Considering Purchase Prices, Profits of IPPs and Reliability Criteria Using Hybrid GA and PSO</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=H.%20Shayeghi">H. Shayeghi</a>, <a href="https://publications.waset.org/search?q=H.%20Hosseini"> H. Hosseini</a>, <a href="https://publications.waset.org/search?q=A.%20Shabani"> A. Shabani</a>, <a href="https://publications.waset.org/search?q=M.%20Mahdavi"> M. Mahdavi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> <p>In this paper, optimal generation expansion planning (GEP) is investigated considering purchase prices, profits of independent power producers (IPPs) and reliability criteria using a new method based on hybrid coded Genetic Algorithm (GA) and Particle Swarm Optimization (PSO). In this approach, optimal purchase price of each IPP is obtained by HCGA and reliability criteria are calculated by PSO technique. It should be noted that reliability criteria and the rate of carbon dioxide (CO2) emission have been considered as constraints of the GEP problem. Finally, the proposed method has been tested on the case study system. The results evaluation show that the proposed method can simply obtain optimal purchase prices of IPPs and is a fast method for calculation of reliability criteria in expansion planning. Also, considering the optimal purchase prices and profits of IPPs in generation expansion planning are caused that the expansion costs are decreased and the problem is solved more exactly.</p> <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=GEP%20Problem" title="GEP Problem">GEP Problem</a>, <a href="https://publications.waset.org/search?q=IPPs" title=" IPPs"> IPPs</a>, <a href="https://publications.waset.org/search?q=Reliability%20Criteria" title=" Reliability Criteria"> Reliability Criteria</a>, <a href="https://publications.waset.org/search?q=GA" title=" GA"> GA</a>, <a href="https://publications.waset.org/search?q=PSO." title=" PSO."> PSO.</a> </p> <a href="https://publications.waset.org/9125/gep-considering-purchase-prices-profits-of-ipps-and-reliability-criteria-using-hybrid-ga-and-pso" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/9125/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/9125/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/9125/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/9125/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/9125/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/9125/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/9125/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/9125/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/9125/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/9125/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/9125.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">1432</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">4</span> Increase of Peroxidase Activity of Haptoglobin (2-2)-Hemoglobin at Pathologic Temperature and Presence of Antibiotics</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=M%20Tayari">M Tayari</a>, <a href="https://publications.waset.org/search?q=SZ%20Moosavi-nejad"> SZ Moosavi-nejad</a>, <a href="https://publications.waset.org/search?q=A%20Shabani"> A Shabani</a>, <a href="https://publications.waset.org/search?q=M%20Rezaei%20Tavirani"> M Rezaei Tavirani</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Free Hemoglobin promotes the accumulation of hydroxyl radicals by the heme iron, which can react with endogenous hydrogen peroxide to produce free radicals which may cause severe oxidative cell damage. Haptoglobin binds to Hemoglobin strongly and Haptoglobin-Hemoglobin binding is irreversible. Peroxidase activity of Haptoglobin(2-2)-Hemoglobin complex was assayed by following increase of absorption of produced tetraguaiacol as the second substrate of Haptoglobin-Hemoglobin complex at 470 nm and 42°C by UV-Vis spectrophotometer. The results have shown that peroxidase activity of Haptoglobin(2-2)-Hemoglobin complex is modulated via homotropic effect of hydrogen peroxide as allostric substrate. On the other hand antioxidant property of Haptoglobin(2- 2)-Hemoglobin was increased via heterotropic effect of the two drugs (especially ampicillin) on peroxidase activity of the complex. Both drugs also have mild effect on quality of homotropic property of peroxidase activity of Haptoglobin(2-2)-Hemoglobin complex. Therefore, in vitro studies show that the two drugs may help Hp-Hb complex to remove hydrogen peroxide from serum at pathologic temperature ature (42 C). <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Haptoglobin" title="Haptoglobin">Haptoglobin</a>, <a href="https://publications.waset.org/search?q=Hemoglobin" title=" Hemoglobin"> Hemoglobin</a>, <a href="https://publications.waset.org/search?q=Antioxidant" title=" Antioxidant"> Antioxidant</a>, <a href="https://publications.waset.org/search?q=Antibiotics." title=" Antibiotics."> Antibiotics.</a> </p> <a href="https://publications.waset.org/13545/increase-of-peroxidase-activity-of-haptoglobin-2-2-hemoglobin-at-pathologic-temperature-and-presence-of-antibiotics" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/13545/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/13545/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/13545/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/13545/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/13545/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/13545/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/13545/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/13545/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/13545/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/13545/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/13545.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">2272</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">3</span> International Student Recruitment in Higher Education: A Comparative Study of the Countries in the Middle East</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=Ali%20Arabkheradmand">Ali Arabkheradmand</a>, <a href="https://publications.waset.org/search?q=Enayat%20A.%20Shabani"> Enayat A. Shabani</a>, <a href="https://publications.waset.org/search?q=Shabnam%20Ranjbar%20Nikkhoo"> Shabnam Ranjbar Nikkhoo</a> </p> <p class="card-text"><strong>Abstract:</strong></p> <p>Historical and ancestral bonds of the countries in the Middle East have led to similarities in culture and context of their societies. In addition, economical resources, such as the oil industry, have generally been an integrative point in the region. Higher education of a country is influenced by different national and international factors and, regarding the mentioned bonds, it is inviting to study the development of the countries of the Middle East in higher education and draw some practical implications which can be used in the educational policymaking of the region. This review includes a data analysis on the population of international students in the countries of the Middle East. As its second objective, a review study on the successful countries, that is, those which host the highest number of international students, and the strategies they have developed to reach this state among the countries of the region, has been conducted. Suggestions are made as to the strategies in higher education systems of these countries which could prove useful and practical in the development of internationalization of higher education in the region, specifically with regard to the recruitment of international students.</p> <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Internationalization%20of%20Higher%20Education" title="Internationalization of Higher Education">Internationalization of Higher Education</a>, <a href="https://publications.waset.org/search?q=International%20Student%20Recruitment" title=" International Student Recruitment"> International Student Recruitment</a>, <a href="https://publications.waset.org/search?q=Countries%20of%20the%20Middle%20East." title=" Countries of the Middle East."> Countries of the Middle East.</a> </p> <a href="https://publications.waset.org/9999667/international-student-recruitment-in-higher-education-a-comparative-study-of-the-countries-in-the-middle-east" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/9999667/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/9999667/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/9999667/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/9999667/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/9999667/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/9999667/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/9999667/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/9999667/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/9999667/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/9999667/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/9999667.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">2256</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">2</span> An Experimental and Numerical Investigation on Gas Hydrate Plug Flow in the Inclined Pipes and Bends</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=M.%20M.%20Shabani">M. M. Shabani</a>, <a href="https://publications.waset.org/search?q=O.%20J.%20Nydal"> O. J. Nydal</a>, <a href="https://publications.waset.org/search?q=R.%20Larsen"> R. Larsen</a> </p> <p class="card-text"><strong>Abstract:</strong></p> <p>Gas hydrates can agglomerate and block multiphase oil and gas pipelines when water is present at hydrate forming conditions. Using "Cold Flow Technology", the aim is to condition gas hydrates so that they can be transported as a slurry mixture without a risk of agglomeration. During the pipeline shut down however, hydrate particles may settle in bends and build hydrate plugs. An experimental setup has been designed and constructed to study the flow of such plugs at start up operations. Experiments have been performed using model fluid and model hydrate particles. The propagations of initial plugs in a bend were recorded with impedance probes along the pipe. The experimental results show a dispersion of the plug front. A peak in pressure drop was also recorded when the plugs were passing the bend. The evolutions of the plugs have been simulated by numerical integration of the incompressible mass balance equations, with an imposed mixture velocity. The slip between particles and carrier fluid has been calculated using a drag relation together with a particle-fluid force balance.</p> <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Cold%20Flow%20Technology" title="Cold Flow Technology">Cold Flow Technology</a>, <a href="https://publications.waset.org/search?q=Gas%20Hydrate%20Plug%20Flow%0D%0AExperiments" title=" Gas Hydrate Plug Flow Experiments"> Gas Hydrate Plug Flow Experiments</a>, <a href="https://publications.waset.org/search?q=One%20Dimensional%20Incompressible%20Two%20Fluid%20Model" title=" One Dimensional Incompressible Two Fluid Model"> One Dimensional Incompressible Two Fluid Model</a>, <a href="https://publications.waset.org/search?q=Slurry%20Flow%20in%20Inclined%20Pipes%20and%20Bends" title=" Slurry Flow in Inclined Pipes and Bends"> Slurry Flow in Inclined Pipes and Bends</a>, <a href="https://publications.waset.org/search?q=Transient%20Slurry%20Flow." title=" Transient Slurry Flow."> Transient Slurry Flow.</a> </p> <a href="https://publications.waset.org/3063/an-experimental-and-numerical-investigation-on-gas-hydrate-plug-flow-in-the-inclined-pipes-and-bends" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/3063/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/3063/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/3063/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/3063/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/3063/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/3063/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/3063/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/3063/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/3063/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/3063/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/3063.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">2114</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1</span> Feasibility Investigation of Near Infrared Spectrometry for Particle Size Estimation of Nano Structures</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=A.%20Bagheri%20Garmarudi">A. Bagheri Garmarudi</a>, <a href="https://publications.waset.org/search?q=M.%20Khanmohammadi"> M. Khanmohammadi</a>, <a href="https://publications.waset.org/search?q=N.%20Khoddami"> N. Khoddami</a>, <a href="https://publications.waset.org/search?q=K.%20Shabani"> K. Shabani</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Determination of nano particle size is substantial since the nano particle size exerts a significant effect on various properties of nano materials. Accordingly, proposing non-destructive, accurate and rapid techniques for this aim is of high interest. There are some conventional techniques to investigate the morphology and grain size of nano particles such as scanning electron microscopy (SEM), atomic force microscopy (AFM) and X-ray diffractometry (XRD). Vibrational spectroscopy is utilized to characterize different compounds and applied for evaluation of the average particle size based on relationship between particle size and near infrared spectra [1,4] , but it has never been applied in quantitative morphological analysis of nano materials. So far, the potential application of nearinfrared (NIR) spectroscopy with its ability in rapid analysis of powdered materials with minimal sample preparation, has been suggested for particle size determination of powdered pharmaceuticals. The relationship between particle size and diffuse reflectance (DR) spectra in near infrared region has been applied to introduce a method for estimation of particle size. Back propagation artificial neural network (BP-ANN) as a nonlinear model was applied to estimate average particle size based on near infrared diffuse reflectance spectra. Thirty five different nano TiO2 samples with different particle size were analyzed by DR-FTNIR spectrometry and the obtained data were processed by BP- ANN. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=near%20infrared" title="near infrared">near infrared</a>, <a href="https://publications.waset.org/search?q=particle%20size" title=" particle size"> particle size</a>, <a href="https://publications.waset.org/search?q=chemometrics" title=" chemometrics"> chemometrics</a>, <a href="https://publications.waset.org/search?q=neuralnetwork" title=" neuralnetwork"> neuralnetwork</a>, <a href="https://publications.waset.org/search?q=nano%20structure." title=" nano structure."> nano structure.</a> </p> <a href="https://publications.waset.org/880/feasibility-investigation-of-near-infrared-spectrometry-for-particle-size-estimation-of-nano-structures" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/880/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/880/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/880/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/880/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/880/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/880/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/880/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/880/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/880/xml" target="_blank" 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