CINXE.COM
Just a moment...
<!DOCTYPE html><html lang="en-US"><head><title>Just a moment...</title><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><meta http-equiv="X-UA-Compatible" content="IE=Edge"><meta name="robots" content="noindex,nofollow"><meta name="viewport" content="width=device-width,initial-scale=1"><style>*{box-sizing:border-box;margin:0;padding:0}html{line-height:1.15;-webkit-text-size-adjust:100%;color:#313131;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,Noto Sans,sans-serif,Apple Color Emoji,Segoe UI Emoji,Segoe UI Symbol,Noto Color Emoji}body{display:flex;flex-direction:column;height:100vh;min-height:100vh}.main-content{margin:8rem auto;max-width:60rem;padding-left:1.5rem}@media (width <= 720px){.main-content{margin-top:4rem}}.h2{font-size:1.5rem;font-weight:500;line-height:2.25rem}@media (width <= 720px){.h2{font-size:1.25rem;line-height:1.5rem}}#challenge-error-text{background-image:url(data:image/svg+xml;base64,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);background-repeat:no-repeat;background-size:contain;padding-left:34px}@media (prefers-color-scheme:dark){body{background-color:#222;color:#d9d9d9}}</style><meta http-equiv="refresh" content="120"></head><body class="no-js"><div class="main-wrapper" role="main"><div class="main-content"><noscript><div class="h2"><span id="challenge-error-text">Enable JavaScript and cookies to continue</span></div></noscript></div></div><script>(function(){window._cf_chl_opt={cvId: '3',cZone: "publications.waset.org",cType: 'non-interactive',cRay: '9136b4137a945cd6',cH: 'l2KEAiAwe72vi93gdBZ.i68oD1RPSqwtf0HWF7p9ukY-1739805018-1.2.1.1-kC7o45VNqkZalMpeSp70js_5AcPozjhJ.wjFID5qg_JYtVM0mCc8vH477P3CglKr',cUPMDTk: "\/abstracts\/search?q=statics&__cf_chl_tk=ndKg_9N6B2bIxBwV3wc_Etwt4MOWEaV.oO0vVvVxV0c-1739805018-1.0.1.1-OLlOt25fT9XYEccfevulhjeGwzTjpYkqi42V2rJQwdc",cFPWv: 'b',cITimeS: '1739805018',cTTimeMs: '1000',cMTimeMs: '120000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/abstracts\/search?q=statics&__cf_chl_f_tk=ndKg_9N6B2bIxBwV3wc_Etwt4MOWEaV.oO0vVvVxV0c-1739805018-1.0.1.1-OLlOt25fT9XYEccfevulhjeGwzTjpYkqi42V2rJQwdc",md: "sXsi7WRUT7EKh2W2.oy.Z6GQcBYJMQFlv9mZSn8W7vg-1739805018-1.2.1.1-ym79JIIxc5248eoKkmSfahJ0G3ki0IDoKyvbLBRtI6r6UOPqdFjvV13vJ0Y6sJnihT.PHAwy64SokvHOFi3tpl_FfyXpmnPwai6pRusZy4d_nP9V1KUBvdnjFAPPciblnOgCRBYAEgt5DdVs9SfapC_sVYOcjnlgkvUvcujNeRWda0PIOAW95Pa7wA0gAJwuVpKHglcJvKP_zj0jplcwq7y2Cdy.t7nQ51F3IEvusfmrFU2tcRwvKToY_7Roai3iboxI.w37otvQkzw7G7BbnUnqbW57QwFneXC9Vtc3XKDMU97JLm2sTvbX1zlIH6G43OdIATyWJNOPJGBPrdpbw208mm5y7Jnmup00dETHickV5nUefKn78PaJlh.sXjIt_nYLQdONmbIQ9xKS7DIz5o3jIIg0Bpw1th43MKDX4SSyV5rCu4zHOpTXW5cGbp.ouueVhZxY5QXRGSkf4PW0w3FRqSrX7CGMYBS8CV95ozEfEv3dlnjld_qe4jMNcQvQz8dzsAPezBNQgElDRxvCIYRLMtv.o3QRDaHwOJQfke41RHU4gjZ8XmzPYnxlfHIn9KJXQHamIKoEF9gd6PR63JYINDOyc9UbwYfTpxJg1PKkb.9AL7jqYZa8ym6ha8rVjmiJ7pxvcap83qxi6csNJsYNQijSiWQAhlvqYsykKXmsP_2u3xxPxmWRCsQ.1grquByirx3yvTfbdvQf7ScAnLkRwBdiZaZp62LT9EwbGUqscj7KTQOb9pCUNrMzB58f5tULgMfzx1zxAh_lLELVrPeYsvxgjA4zLJL4YbGhu0V5gyia3MybBClKZzlyCUKJKos7xvKL9BgP3dVEmp_Fl1BCmFoyeirZACUtqpq1VYrsmH6D3x12DSzCEmrj7U11v2_B7yH6Wa86s.l8DLqaF7jfGDRDABs3CikfbMCUyH8ELI8tLhu.CRvhmS9AvmlQjcrpzKUVUnbMk_LEmh.4j0IzYruKveIwT72cfuNZWmkRihOrc70TLuhtsTQByeisBppKkoxdrgcVvwPUxw8h_WYMPZDWfnc59GIHe5s6TL22nQTYGOVoCVHMjX9MWBOixPrOGB37DcFIUXqHYixgbUZ93R3LcDq0mIq0Tjvd8vFgF_Ts2nR8KmS4b1WsUmci.Fsze6ILkveSThRDV0dxpRhYD8ZHlvAjBVSLMYPxNBgqsLGDv1xUiOL2Qki.Plnumb9bbCmN0hy2cubFto0jhiYWbzB0e.0gGJn09nL6DTb.bqXDg9vO59K6bUEx76vGzqz.yUppIYNKe2mdWkyYTFqtP1NrTmLsSvqOwL1.ep7UNhZj7Hd.4Tf1Pol6TkJMJtgQ29BNA_6aVw7mKwNm6OEb8kivyzvet9QlAdEBXRtp879vKPyJqX62FidtCD90dTYwH4W9WlMrckFUXps5jAu2Z4IRKwlqyh8anpThHGSZNI9RrObV4T5OJXFVFZx2lGiJLRBupj3VaaZ30SNUk61MeVrAntsCryX.aAv7SKsY3vAV9PlJnOejmF1YLY6eN12psWV.oh5Mf9auqJcfR9dIPOUXcalaUmAIZYVJbgLdFsxDWsoq3JOYeYIM8cbyCgfJeLBjcbyV.g8ysgHrRMMK6l5_7f00GoGYpkzoWV7MvviRIwjKSNd6pH_0eo8wEibmXK5J96dUJ5Z.gt75qWQo5OHYivhZ0Yx7ZcQMHgYh29lA5DbdO0EKFu1wAGtbAfRkg_mb.Ye90QHq9ITYGqzEDD8RKRLT927FMjQvDrXD4NxdeUDbNFKv3SgphVX1MDnfzp0PN.E2eeijpBVtL1N1iJfPmv9tn9PmVqOy42QK8Ks.HNjwc6C9S7wgjEtscaYWWsx8pLhCaPx_M8_UzAeVIBGbyJ80ZD3exykfsYGq2QWgpzzQlHOzTwnSRh2Pfk5u3Crgy_p0sx7fXQwibA",mdrd: "pJVIGDxNKr3jvOnypQa_Gp_.aqqLDe0AQbtkggY5o1Y-1739805018-1.2.1.1-N8UpewnZsKCp9O2pkM2JswvZoB11fvOKZ9Q6e1RhH1hH.2w12a_FOevmeMeByHgPzSr1lLBHdQxm9D3LBL09S34GcWO1D4jKZcn5oXLkvc1Y_ZI5f5kufbx0cBzw2gvyaNVQpX2zT7QA75fhulgfGyoLtD_i4KSB6.rUlo0qIAFC7iVQXjpjsc7ESpBv9_AlItBUCsAXWxsk7pJKqZm8aeX98.e1ic9CnlMk.UDo9OsIH3u9wg0RN6gbStkUyBPN7UHOsXPLg8_Sk6ca8MKiXNVAXsgGHHfMY_LXIHSFaTzN18XBVZcRIc04TZ4oKajwzBL_Mn1xpV6rXFIGeGTAhYPtyscPsBat7iAORWHpq0umaUNGwAl8krdTS2x_D8UiwsDPi9bnVBkt9ZT8WdpX20ZT6C5DkgJu8LZ41a61dhr.Ou7wCQyVHIj71AjLn3WC4z9XvrZiBny3UhdMSS19pFD7D7AIq65vtKc.00OfLEYcKfIkNwQ6sJe34ENJg973v1dj5GCpyzEhkI5wsmazTWJpLutMoP9f8JK8TR6ifhO7R7JPSg93CVG.5mqt0IaitmBwaudjBT3lwNONanmHM_6DrN9e8kqxoOscm8cGvFk2h9vyJs1YOPaUDgAxPWQYNlOxeZKkWzUQABYx60.btFw8b9Ado5jo9I9MmI.AmVbm2la9n5ljVjq6J6jDpe30KV.w2NFsUtLXi3Pr_yG6EIV.MC4UyZngPW1ADjGsHczUbx4pjetClqEdo9abv16XjThhiMFwX9i0qkBCSJAIOjMEpEUt6IrgrI_Iwvd_bvnorjOf0F53kys6ePlhtnCZhBPJrjblLYwFW59qVRJdMlqP9oATP6a8HrysAvhnoXvtIBNfuzr8WKRRHdU6d6i.5C8cZwt2MvPLbkH5OI2zt1I8tAMUrawcUJMTayVBg4I9IBo91r6YXVLC.Dz5iaKGvswMrKN5ZTzOU.tCZoS8J7O0Du1qLU0ZaZjTPuMnDpHKEQlAjoinhUITisov2.1RnPa5pvnuUikNZjkx63B0jjHFlve0mrMzic9z6RVww82mvvKH0lB1x2VA7nJ4ZQMyQBCl9WRZ6Rq3OWI4NmxigN5gXYvR9i5g82cCmKrPOjcE1ewhdT.OTg3RmC2nNR6hnNuHpEXJcnFJAWsQHVrcEW_UrKyJJESok2IbAJAI.M19L94g4W1ecvjYL_YqS8QuRY9Neb.vj3xhlXFi9Wrfn_rpP4lSSkAyhvyfY27zMWqh9Cc9juWWyR5MC4jqWlIWwLBB6KHSqN_SJGUkGQCDd.JB_kw1nxjAtqbzlPHVFuCgkLgzZpZ596l9yKOt98tb5.Y_vfYI7WSVM.5L8xI71ucaFGKQjM8h_FwBv_YCZRIXfPEi3.y9YgqtnT_47.OQiEoYHLBSPHg4nSEqHzQ21T17FUFUhv6OajN83UNG6lS35m7H9qQR.ZQD_nixfBjL_QXAtkdEzoKZZNUhKjjBBue1cYuzGioPYom3Ocab.VvS9FihiADWqPYWTTfMWFmtGWQHXaFXRunYzA6Ojl2QxtdvNzz3F4LtaWZHPLHJr89GSOXQ344HFmyhK7wlk4YpimgncX9wj2L_7aotlelHK6CAw4oK3jpW0af44SEPS.ay._T2ExT7KsoH.e70Jm4eMQ3DdPks.Pg2FLMCm0pagq9C18009f9ShGkwCsKUAzZfv1htOK_sCOrVyVTzOwg.B2jnUe8Hu0ROCIV7Ib2_BC3x1.a4EDoT6AOFormMYNxSDpUq9_DvW0S2THHgrndV0GyAPqIc9XWEA7HT_HvQM6LRZRC6hhAV14ZGx25oA7Plxc6JWIZcKqXY1koS7L7Se9.cWTM6hhMTWR8wQVhhMKnkqHlwjAns4cusYJW1ssldiV24FJAaYNflm52M7dInemu6KbotoRe_ybWgeBXgZhfA41wX1gByYrc9AGHM1ySM_TrCoTNT3BEst8wB01uX"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=9136b4137a945cd6';window._cf_chl_opt.cOgUHash = location.hash === '' && location.href.indexOf('#') !== -1 ? '#' : location.hash;window._cf_chl_opt.cOgUQuery = location.search === '' && location.href.slice(0, location.href.length - window._cf_chl_opt.cOgUHash.length).indexOf('?') !== -1 ? '?' : location.search;if (window.history && window.history.replaceState) {var ogU = location.pathname + window._cf_chl_opt.cOgUQuery + window._cf_chl_opt.cOgUHash;history.replaceState(null, null, "\/abstracts\/search?q=statics&__cf_chl_rt_tk=ndKg_9N6B2bIxBwV3wc_Etwt4MOWEaV.oO0vVvVxV0c-1739805018-1.0.1.1-OLlOt25fT9XYEccfevulhjeGwzTjpYkqi42V2rJQwdc" + window._cf_chl_opt.cOgUHash);cpo.onload = function() {history.replaceState(null, null, ogU);}}document.getElementsByTagName('head')[0].appendChild(cpo);}());</script></body></html>