Search results for: Zuo Dunwen

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Dunwen</title> <meta name="description" content="Search results for: Zuo Dunwen"> <meta name="keywords" content="Zuo Dunwen"> <meta name="viewport" content="width=device-width, initial-scale=1, minimum-scale=1, maximum-scale=1, user-scalable=no"> <meta charset="utf-8"> <link href="https://cdn.waset.org/favicon.ico" type="image/x-icon" rel="shortcut icon"> <link href="https://cdn.waset.org/static/plugins/bootstrap-4.2.1/css/bootstrap.min.css" rel="stylesheet"> <link href="https://cdn.waset.org/static/plugins/fontawesome/css/all.min.css" rel="stylesheet"> <link href="https://cdn.waset.org/static/css/site.css?v=150220211555" rel="stylesheet"> </head> <body> <header> <div class="container"> <nav class="navbar navbar-expand-lg navbar-light"> <a class="navbar-brand" href="https://waset.org"> <img src="https://cdn.waset.org/static/images/wasetc.png" alt="Open Science Research Excellence" title="Open Science Research Excellence" /> </a> <button class="d-block d-lg-none navbar-toggler ml-auto" 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id="custom-search-input"> <div class="input-group"> <i class="fas fa-search"></i> <input type="text" class="search-query" name="q" placeholder="Author, Title, Abstract, Keywords" value="Zuo Dunwen"> <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> 7</div> </div> </div> </div> <h1 class="mt-3 mb-3 text-center" style="font-size:1.6rem;">Search results for: Zuo Dunwen</h1> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">7</span> Property of Diamond Coated Tools for Lapping Single-Crystal Sapphire Wafer</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Feng%20Wei">Feng Wei</a>, <a href="https://publications.waset.org/abstracts/search?q=Lu%20Wenzhuang"> Lu Wenzhuang</a>, <a href="https://publications.waset.org/abstracts/search?q=Cai%20Wenjun"> Cai Wenjun</a>, <a href="https://publications.waset.org/abstracts/search?q=Yu%20Yaping"> Yu Yaping</a>, <a href="https://publications.waset.org/abstracts/search?q=Basnet%20Rabin"> Basnet Rabin</a>, <a href="https://publications.waset.org/abstracts/search?q=Zuo%20Dunwen"> Zuo Dunwen</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Diamond coatings were prepared on cemented carbide by hot filament chemical vapor deposition (HFCVD) method. Lapping experiment of single-crystal sapphire wafer was carried out using the prepared diamond coated tools. The diamond coatings and machined surface of the sapphire wafer were evaluated by SEM, laser confocal microscope and Raman spectrum. The results indicate that the lapping sapphire chips are small irregular debris and long thread-like debris. There is graphitization of diamond crystal during the lapping process. A low surface roughness can be obtained using a spherical grain diamond coated tool. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=lapping" title="lapping">lapping</a>, <a href="https://publications.waset.org/abstracts/search?q=nano-micro%20crystalline%20diamond%20coating" title=" nano-micro crystalline diamond coating"> nano-micro crystalline diamond coating</a>, <a href="https://publications.waset.org/abstracts/search?q=Raman%20spectrum" title=" Raman spectrum"> Raman spectrum</a>, <a href="https://publications.waset.org/abstracts/search?q=sapphire" title=" sapphire"> sapphire</a> </p> <a href="https://publications.waset.org/abstracts/21218/property-of-diamond-coated-tools-for-lapping-single-crystal-sapphire-wafer" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/21218.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">493</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">6</span> Experimental Study on Slicing of Sapphire with Fixed Abrasive Diamond Wire Saw</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mengjun%20Zhang">Mengjun Zhang</a>, <a href="https://publications.waset.org/abstracts/search?q=Yuli%20Sun"> Yuli Sun</a>, <a href="https://publications.waset.org/abstracts/search?q=Dunwen%20Zuo"> Dunwen Zuo</a>, <a href="https://publications.waset.org/abstracts/search?q=Chunxiang%20Xie"> Chunxiang Xie</a>, <a href="https://publications.waset.org/abstracts/search?q=Chunming%20Zhang"> Chunming Zhang</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Experimental study on slicing of sapphire with fixed abrasive diamond wire saw was conducted in this paper. The process parameters were optimized through orthogonal experiment of three factors and four levels. The effects of wire speed, feed speed and tension pressure on the surface roughness were analyzed. Surface roughness in cutting direction and feed direction were both detected. The results show that feed speed plays the most significant role on the surface roughness of sliced sapphire followed by wire speed and tension pressure. The optimized process parameters are as follows: wire speed 1.9 m/s, feed speed 0.187 mm/min and tension pressure 0.18 MPa. In the end, the results were verified by analysis of variance. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=fixed%20abrasive" title="fixed abrasive">fixed abrasive</a>, <a href="https://publications.waset.org/abstracts/search?q=diamond%20wire%20saw" title=" diamond wire saw"> diamond wire saw</a>, <a href="https://publications.waset.org/abstracts/search?q=slicing" title=" slicing"> slicing</a>, <a href="https://publications.waset.org/abstracts/search?q=sapphire" title=" sapphire"> sapphire</a>, <a href="https://publications.waset.org/abstracts/search?q=orthogonal%20experiment" title=" orthogonal experiment"> orthogonal experiment</a> </p> <a href="https://publications.waset.org/abstracts/19615/experimental-study-on-slicing-of-sapphire-with-fixed-abrasive-diamond-wire-saw" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/19615.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">460</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">5</span> The Effect of Tool Type on Surface Morphology of FSJ Joint</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Yongfang%20Deng">Yongfang Deng</a>, <a href="https://publications.waset.org/abstracts/search?q=Dunwen%20Zuo"> Dunwen Zuo</a> </p> <p class="card-text"><strong>Abstract:</strong></p> An attempt is made here to join 2024 aluminum alloy plate by friction stir joining (FSJ) using different types of tools. Joint surface morphology was observed, and both arc line spacing and flash were measured. Study is carried out on the effect of pin, shoulder and eccentricity of the tool on the surface topography of the joint and the formation of the joint surface topography is analyzed. It is found that, eccentric squeezing action of the tool is the mainly motive power to form arc lines contour and flash structure. Little flash appears in the advancing side but with severe deformation, while the flash in the retreating side is heavy but with soft deformation. The pin of tool has a deep impact on the flash on the advancing side of the joints. Shoulder can widen the arc lines, refine arcs structure, reduce flash in the retreat side, but will increase the flash in the advancing side. Increasing the amount of eccentricity, it has litter effect on the arc line spacing but will destroy the arc lines morphology in the joint surface and promote the formation of filamentous flash structure in the joint. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=FSJ" title="FSJ">FSJ</a>, <a href="https://publications.waset.org/abstracts/search?q=surface%20morphology" title=" surface morphology"> surface morphology</a>, <a href="https://publications.waset.org/abstracts/search?q=tool" title=" tool"> tool</a>, <a href="https://publications.waset.org/abstracts/search?q=joint" title=" joint "> joint </a> </p> <a href="https://publications.waset.org/abstracts/29621/the-effect-of-tool-type-on-surface-morphology-of-fsj-joint" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/29621.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">363</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">4</span> Effect of Chemical Additive on Fixed Abrasive Polishing of LBO Crystal with Non-Water Based Slurry</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Jun%20Li">Jun Li</a>, <a href="https://publications.waset.org/abstracts/search?q=Wenze%20Wang"> Wenze Wang</a>, <a href="https://publications.waset.org/abstracts/search?q=Zhanggui%20Hu"> Zhanggui Hu</a>, <a href="https://publications.waset.org/abstracts/search?q=Yongwei%20Zhu"> Yongwei Zhu</a>, <a href="https://publications.waset.org/abstracts/search?q=Dunwen%20Zuo"> Dunwen Zuo</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Non-water based fixed abrasive polishing was adopted to manufacture LBO crystal for nano precision surface quality because of its deliquescent. Ethyl alcohol was selected as the non-water based slurry solvent and ethanediamine, lactic acid, hydrogen peroxide were add in the slurry as a chemical additive, respectively. Effect of different additives with non-water based slurry on material removal rate, surface topography, microscopic appearances and surface roughness were investigated in fixed abrasive polishing of LBO crystal. The results show the best surface quality of LBO crystal with surface roughness Sa 8.2 nm and small damages was obtained by non-water based slurry with lactic acid. Non-water based fixed abrasive polishing can achieve nano precision surface quality of LBO crystal with high material removal. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=non-water%20based%20slurry" title="non-water based slurry">non-water based slurry</a>, <a href="https://publications.waset.org/abstracts/search?q=LBO%20crystal" title=" LBO crystal"> LBO crystal</a>, <a href="https://publications.waset.org/abstracts/search?q=fixed%20abrasive%20polishing" title=" fixed abrasive polishing"> fixed abrasive polishing</a>, <a href="https://publications.waset.org/abstracts/search?q=surface%20roughness" title=" surface roughness"> surface roughness</a> </p> <a href="https://publications.waset.org/abstracts/20129/effect-of-chemical-additive-on-fixed-abrasive-polishing-of-lbo-crystal-with-non-water-based-slurry" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/20129.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">3</span> Cutting Performance of BDD Coating on WC-Co Tools</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Feng%20Xu">Feng Xu</a>, <a href="https://publications.waset.org/abstracts/search?q=Zhaozhi%20Liu"> Zhaozhi Liu</a>, <a href="https://publications.waset.org/abstracts/search?q=Junhua%20Xu"> Junhua Xu</a>, <a href="https://publications.waset.org/abstracts/search?q=Xiaolong%20Tang"> Xiaolong Tang</a>, <a href="https://publications.waset.org/abstracts/search?q=Dunwen%20Zuo"> Dunwen Zuo</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Chemical vapor deposition (CVD) diamond coated cutting tool has excellent cutting performance, it is the most ideal tool for the processing of nonferrous metals and alloys, composites, nonmetallic materials and other difficult-to-machine materials efficiently and accurately. Depositing CVD diamond coating on the cemented carbide with high cobalt content can improve its toughness and strength, therefore, it is very important to research on the preparation technology and cutting properties of CVD diamond coated cemented carbide cutting tool with high cobalt content. The preparation technology of boron-doped diamond (BDD) coating has been studied and the coated drills were prepared. BDD coating were deposited on the drills by using the optimized parameters and the SEM results show that there are no cracks or collapses in the coating. Cutting tests with the prepared drills against the silumin and aluminum base printed circuit board (PCB) have been studied. The results show that the wear amount of the coated drill is small and the machined surface has a better precision. The coating does not come off during the test, which shows good adhesion and cutting performance of the drill. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=cemented%20carbide%20with%20high%20cobalt%20content" title="cemented carbide with high cobalt content">cemented carbide with high cobalt content</a>, <a href="https://publications.waset.org/abstracts/search?q=CVD%20boron-doped%20diamond" title=" CVD boron-doped diamond"> CVD boron-doped diamond</a>, <a href="https://publications.waset.org/abstracts/search?q=cutting%20test" title=" cutting test"> cutting test</a>, <a href="https://publications.waset.org/abstracts/search?q=drill" title=" drill"> drill</a> </p> <a href="https://publications.waset.org/abstracts/23174/cutting-performance-of-bdd-coating-on-wc-co-tools" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/23174.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">440</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">2</span> Preparation and Cutting Performance of Boron-Doped Diamond Coating on Cemented Carbide Cutting Tools with High Cobalt Content</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Zhaozhi%20Liu">Zhaozhi Liu</a>, <a href="https://publications.waset.org/abstracts/search?q=Feng%20Xu"> Feng Xu</a>, <a href="https://publications.waset.org/abstracts/search?q=Junhua%20Xu"> Junhua Xu</a>, <a href="https://publications.waset.org/abstracts/search?q=Xiaolong%20Tang"> Xiaolong Tang</a>, <a href="https://publications.waset.org/abstracts/search?q=Ying%20Liu"> Ying Liu</a>, <a href="https://publications.waset.org/abstracts/search?q=Dunwen%20Zuo"> Dunwen Zuo</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Chemical vapor deposition (CVD) diamond coated cutting tool has excellent cutting performance, it is the most ideal tool for the processing of nonferrous metals and alloys, composites, nonmetallic materials and other difficult-to-machine materials efficiently and accurately. Depositing CVD diamond coating on the cemented carbide with high cobalt content can improve its toughness and strength, therefore, it is very important to research on the preparation technology and cutting properties of CVD diamond coated cemented carbide cutting tool with high cobalt content. The preparation technology of boron-doped diamond (BDD) coating has been studied and the coated drills were prepared. BDD coating were deposited on the drills by using the optimized parameters and the SEM results show that there are no cracks or collapses in the coating. Cutting tests with the prepared drills against the silumin and aluminum base printed circuit board (PCB) have been studied. The results show that the wear amount of the coated drill is small and the machined surface has a better precision. The coating does not come off during the test, which shows good adhesion and cutting performance of the drill. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=cemented%20carbide%20with%20high%20cobalt%20content" title="cemented carbide with high cobalt content">cemented carbide with high cobalt content</a>, <a href="https://publications.waset.org/abstracts/search?q=CVD%20boron-doped%20diamond" title=" CVD boron-doped diamond"> CVD boron-doped diamond</a>, <a href="https://publications.waset.org/abstracts/search?q=cutting%20test" title=" cutting test"> cutting test</a>, <a href="https://publications.waset.org/abstracts/search?q=drill" title=" drill"> drill</a> </p> <a href="https://publications.waset.org/abstracts/20081/preparation-and-cutting-performance-of-boron-doped-diamond-coating-on-cemented-carbide-cutting-tools-with-high-cobalt-content" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/20081.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">420</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1</span> The Effect of Main Factors on Forces during FSJ Processing of AA2024 Aluminum</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Dunwen%20Zuo">Dunwen Zuo</a>, <a href="https://publications.waset.org/abstracts/search?q=Yongfang%20Deng"> Yongfang Deng</a>, <a href="https://publications.waset.org/abstracts/search?q=Bo%20Song"> Bo Song</a> </p> <p class="card-text"><strong>Abstract:</strong></p> An attempt is made here to measure the forces of three directions, under conditions of different feed speeds, different tilt angles of tool and without or with the pin on the tool, by using octagonal ring dynamometer in the AA2024 aluminum FSJ (Friction Stir Joining) process, and investigate how four main factors influence forces in the FSJ process. It is found that, high feed speed lead to small feed force and small lateral force, but high feed speed leads to large feed force in the stable joining stage of process. As the rotational speed increasing, the time of axial force drop from the maximum to the minimum required increased in the push-up process. In the stable joining stage, the rotational speed has little effect on the feed force; large rotational speed leads to small lateral force and axial force. The maximum axial force increases as the tilt angle of tool increases at the downward movement stage. At the moment of start feeding, as tilt angle of tool increases, the amplitudes of the axial force increasing become large. In the stable joining stage, with the increase of tilt angle of tool, the axial force is increased, the lateral force is decreased, and the feed force almost unchanged. The tool with pin will decrease axial force in the downward movement stage. The feed force and lateral force will increase, but the axial force will reduced in the stable joining stage by using the tool with pin compare to by using the tool without pin. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=FSJ" title="FSJ">FSJ</a>, <a href="https://publications.waset.org/abstracts/search?q=force%20factor" title=" force factor"> force factor</a>, <a href="https://publications.waset.org/abstracts/search?q=AA2024%20aluminum" title=" AA2024 aluminum"> AA2024 aluminum</a>, <a href="https://publications.waset.org/abstracts/search?q=friction%20stir%20joining" title=" friction stir joining"> friction stir joining</a> </p> <a href="https://publications.waset.org/abstracts/22273/the-effect-of-main-factors-on-forces-during-fsj-processing-of-aa2024-aluminum" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/22273.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">489</span> </span> </div> </div> </div> </main> <footer> <div id="infolinks" class="pt-3 pb-2"> <div class="container"> <div style="background-color:#f5f5f5;" class="p-3"> <div class="row"> <div class="col-md-2"> <ul class="list-unstyled"> About <li><a href="https://waset.org/page/support">About Us</a></li> <li><a href="https://waset.org/page/support#legal-information">Legal</a></li> <li><a target="_blank" rel="nofollow" href="https://publications.waset.org/static/files/WASET-16th-foundational-anniversary.pdf">WASET celebrates its 16th foundational anniversary</a></li> </ul> </div> <div class="col-md-2"> <ul class="list-unstyled"> Account <li><a href="https://waset.org/profile">My Account</a></li> </ul> </div> <div class="col-md-2"> <ul class="list-unstyled"> Explore <li><a href="https://waset.org/disciplines">Disciplines</a></li> <li><a href="https://waset.org/conferences">Conferences</a></li> <li><a href="https://waset.org/conference-programs">Conference Program</a></li> <li><a href="https://waset.org/committees">Committees</a></li> <li><a href="https://publications.waset.org">Publications</a></li> </ul> </div> <div class="col-md-2"> <ul class="list-unstyled"> Research <li><a href="https://publications.waset.org/abstracts">Abstracts</a></li> <li><a href="https://publications.waset.org">Periodicals</a></li> <li><a href="https://publications.waset.org/archive">Archive</a></li> </ul> </div> <div class="col-md-2"> <ul class="list-unstyled"> Open Science <li><a target="_blank" rel="nofollow" href="https://publications.waset.org/static/files/Open-Science-Philosophy.pdf">Open Science Philosophy</a></li> <li><a target="_blank" rel="nofollow" href="https://publications.waset.org/static/files/Open-Science-Award.pdf">Open Science Award</a></li> <li><a target="_blank" rel="nofollow" href="https://publications.waset.org/static/files/Open-Society-Open-Science-and-Open-Innovation.pdf">Open Innovation</a></li> <li><a target="_blank" rel="nofollow" href="https://publications.waset.org/static/files/Postdoctoral-Fellowship-Award.pdf">Postdoctoral Fellowship Award</a></li> <li><a target="_blank" rel="nofollow" href="https://publications.waset.org/static/files/Scholarly-Research-Review.pdf">Scholarly Research Review</a></li> </ul> </div> <div class="col-md-2"> <ul class="list-unstyled"> Support <li><a href="https://waset.org/page/support">Support</a></li> <li><a href="https://waset.org/profile/messages/create">Contact Us</a></li> <li><a href="https://waset.org/profile/messages/create">Report Abuse</a></li> </ul> </div> </div> </div> </div> </div> <div class="container text-center"> <hr style="margin-top:0;margin-bottom:.3rem;"> <a href="https://creativecommons.org/licenses/by/4.0/" target="_blank" class="text-muted small">Creative Commons Attribution 4.0 International License</a> <div id="copy" class="mt-2">© 2024 World Academy of Science, Engineering and Technology</div> </div> </footer> <a href="javascript:" id="return-to-top"><i class="fas fa-arrow-up"></i></a> <div class="modal" id="modal-template"> <div class="modal-dialog"> <div class="modal-content"> <div class="row m-0 mt-1"> <div class="col-md-12"> <button type="button" class="close" data-dismiss="modal" aria-label="Close"><span aria-hidden="true">×</span></button> </div> </div> <div class="modal-body"></div> </div> </div> </div> <script src="https://cdn.waset.org/static/plugins/jquery-3.3.1.min.js"></script> <script src="https://cdn.waset.org/static/plugins/bootstrap-4.2.1/js/bootstrap.bundle.min.js"></script> <script src="https://cdn.waset.org/static/js/site.js?v=150220211556"></script> <script> jQuery(document).ready(function() { /*jQuery.get("https://publications.waset.org/xhr/user-menu", function (response) { jQuery('#mainNavMenu').append(response); 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