CINXE.COM

<!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,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIzMiIgaGVpZ2h0PSIzMiIgZmlsbD0ibm9uZSI+PHBhdGggZmlsbD0iI0IyMEYwMyIgZD0iTTE2IDNhMTMgMTMgMCAxIDAgMTMgMTNBMTMuMDE1IDEzLjAxNSAwIDAgMCAxNiAzbTAgMjRhMTEgMTEgMCAxIDEgMTEtMTEgMTEuMDEgMTEuMDEgMCAwIDEtMTEgMTEiLz48cGF0aCBmaWxsPSIjQjIwRjAzIiBkPSJNMTcuMDM4IDE4LjYxNUgxNC44N0wxNC41NjMgOS41aDIuNzgzem0tMS4wODQgMS40MjdxLjY2IDAgMS4wNTcuMzg4LjQwNy4zODkuNDA3Ljk5NCAwIC41OTYtLjQwNy45ODQtLjM5Ny4zOS0xLjA1Ny4zODktLjY1IDAtMS4wNTYtLjM4OS0uMzk4LS4zODktLjM5OC0uOTg0IDAtLjU5Ny4zOTgtLjk4NS40MDYtLjM5NyAxLjA1Ni0uMzk3Ii8+PC9zdmc+);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: '9135185e4f91d083',cH: 'jflVmihzOQgSRiIvsim5brAF1xQACKkHMhTD9JkXLb0-1739788154-1.2.1.1-eH9gYsYAy.q1MnQcwYWmrrPDp2oiQm_vKu7vHLlCORx6h9fyVoCOYZAIMlLVaGBe',cUPMDTk: "\/abstracts\/search?q=Ayman%20Taha&__cf_chl_tk=uS2.GbjqmBWGkSjmH2vkb4cblPmQI5VHQ4reub2KsPs-1739788154-1.0.1.1-zTaVRDpYNI3VFggDJRNF8rfaFHeOaVPM8_59lx108kE",cFPWv: 'b',cITimeS: '1739788154',cTTimeMs: '1000',cMTimeMs: '120000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/abstracts\/search?q=Ayman%20Taha&__cf_chl_f_tk=uS2.GbjqmBWGkSjmH2vkb4cblPmQI5VHQ4reub2KsPs-1739788154-1.0.1.1-zTaVRDpYNI3VFggDJRNF8rfaFHeOaVPM8_59lx108kE",md: "wMuNpn834syhEnuPHPInTQyOAjFEuu8vcTWElQGEz.k-1739788154-1.2.1.1-j1kv9yqRTeRA8_wS9DtWCbENOCmj4i4DTroQErUGpU1DTtKmZpsl9VydrJtoylBiYpxEzFdO4Guf2I6YOJVMfVoOFCUCePzets39Ghpbf0bLPkAE_oeVP0E5isqPVqKQmnrrpzQz6A70DLLGHGjiNb3SXIUfd8TKoKP0pmbiBFn83wCi9JU8zaCep0tRz9BF4sMn3jbz3OSMDDU6IKay_sdazG7tEFXFNHqp.Ne0wO9.ZCE68L_gAlwS0oCOpA17HLYILlwbzj76MbWl.8RVU678wuttYvHfYRPJ6qlB2OxY9o09bBob6._dYIQVq.2drnECsxOYibKGr7M8JZaBSyez52DJIxUHe4ViqR8mPozjKmSJqyaXfCUTErkscNnNF0xr7Ze9Iwuv1XBiDSESd1J4GQwneg7FucQyv6hqOoBE06rViGXSOszT8gtJk9MZhQx.Ox0hA1pUSU75rs7QEPs.m7hwLAnK_WLS7I05jHDwWMrRbKg.x2R1BTpT1UfEH349aNP730UcJhH_.i9qtbVkBMbKZzx8ekvUau_wAlaMpXTs0sO8763kCY8p24BC6dhJpU_zZto.nEUzfOxnAsyTcn7Frs67fJX9NrrID42PEGGtx3xVLWe5Zb.y8d6F6Y.AtVpvR8Hh4K.lGJtNB3GL0Z3newfrOVvLtlrt931ds64688hC3gQdXbKQtnAv7N4Zn0hSCjW0pWRCJPI80quCklzOsL.to.fCB7mAVb95Zj0Dax76S3_z.DzBjK_EP.fwzF8Z7qwB6eTnzbTSw1BUr6nw9t8ePMBOObtbWHh0qkQYAkDWX9ahgmlptT12wqumsindhXMzl9Rr1mrVW0ncdC2VjpnNeGXppY6pALkOG5Zvwx5DeHgaay1yqCoZPA2ycjTquDfDIYYT937g4wazgcMtzhBHf55zERVp70XlIBM7uCHtLjPSi2WLTQTQQpcXItNujZa6cjHS2LPukzr.bys1_5NA648EuW5tJRMaCeIsC.V_m2wFSLHmNk8XXWyPDjQ.jhGGlYzI4u7pnzvbS9EI6bDHJ_zxnsQJttmBAXcUZO9kXth7t4wsnm_u9MHvkbFN3g6LQB8LPeEOIQByPg4ZgnX.AlDDbzRC7hLlZp8g3CoRQC9dy2_tSc6SdERJdsWYn2O14i2AAfY7q1Fzoi.3tcm74Azd9wWhKl39yvluOwGSa4et.oTgR1Duotkk_IoqrK0_C91OWYHknxfvLZLjQ1CHrUQOqDOkzHR8ha.bNdFb90Y1OVmPPzldcq9RLz_6sjDFOMBDwvxgfnw.lZB56B8LJtFEeUQd7x6ktskfCOsZmiNWHq3P3yg2wY1w.NZZIT5ZluW0Y29lEgpMUCUhiENJW6Xim3MIFsv92TerOxikNzLCgCHsQmLEWA4qvXnGocLi7lO39sYt7_wSAvyKIlEG6okFavgQXcUq1edkuF.ddGemXV57K_jHoBLqx5uK7FiUvD3nOJ9r4iVx.g48mEXr5QXKJFlByIWE9gYJV.n2oCopHexXA2ZTx.4m4pcfgzc06ACpJ0o5QPLa5T_HRw3dBQruGLqyqA5smg1GElxDALsnLjIjbPtdGUTFxoe7O6VqepKOCGYsylBmrDoO4yrF_Mvq312taL5X5pCyHvToZC8C5Rr0F1EUKrryq5jLXFEZ8xFl8uZhh4219w4x0whhUjiVuKcoK3edrDlrHlDSVcPDcT7bXSBJPtKuH8S1Wvpt_rpuFqOsR791raWdDJmrdqjKeNd9g4DISemnYoqHIVEOhPAbvO0kQOLvLmgYssfP.pwD4iDx2hD2l0ECVJO_Bc8OJ2HWkzrniqwMsYBz8jF6dzWSA1Y8X4GY9KZJBjLGnjq68Od823YUqcBvCiIYMQVacO0OO5nygxdOqKGHnlPm9GmhVP0Rr_ViZHhuLNkeMjmWPS5a8Q",mdrd: "h1Qbs0cg_elgCGmCsOePGUfjsSNwzqwcgtsiVCb_qe8-1739788154-1.2.1.1-ddg.2eAVmTvdAD94m3ptjOpvGXJ49Ks4BCRrk0_wXI2iFHz8X4y_eLkKXw7deWnLLW2N5IM0BavTWHoWo6j24dTls0gfJgcw4RbFJhSZpOJFfD6iwe3JUA1lIMHJEOUjnsYMQVNyIqn4pdKYdq8Ypm9clqTCHthcPc1aNDU9kYcgyzMRi0J0sIgE6aEDdJBo1JBl8P4cYSSlxLW9emsLjAjFdqIwLb.oVqu3esl3KGTz3CaI2ymbQ1wyRof1WmT55gdzTkzei6qLr2jK1.KChykcUeroYjrwO7oIbL9JWnUsgfZYGYls_JSFf3X5muAUTnF7j8gaunXhxEtIFi37J0AIO6G65WV3eiq.bpmzi.3FNthfd_SFa2MLOyl9_tYBTKavTH285BMufi9P7TlGUIH1V5rbHi9IbHjxaO9mtliQvemVrgxj3q4CHuwVX..JatAbZhtMW.8zR6aW3pR_gDwi8vGr7d_tKLU9sIIr5KTSsxCJs5ANNdbJe1Rh55lMIFPbJjlAEn.VDa7LsdR_QPL28Sy6oCFG2fE51wKTPOnHgjzB2VRKm_VqxgEB7lD2Tm5LVyPOx5KA_T3oIAur5G1zilvTFJ6JM39nQNseGc1wUWtnLOZ1Z.bTdT125SQMX3LlIsayIiqYoIYQ.LtaK2b49i8CdGUdVasLEJkQ4tF3ZIpIoI3wgvZHtVhW9nO9decp5wDgYvI9zUrb6PX1jTJX1hJEugI5gQN8vdRssMrrX9duEFCevnhIQ5UfPkJxloQgeUor3hh_vMFKRXDlgjznS.zlm_buwYj6L7ri4FUkICiWLRXiOIgD8760o8dywX4pUs1PuP3CmzOV7Ey3po7mp0JMCmXH9WAmCV_auvcTGNPcdUiZSJ2Nde.TySjMvL6PEKhOUXZM1CHSrWqAFykpzetChFWYLHczUWYZ8R6sTTsOGZUitb4GplOPbmoWBOSB0YsmlG1WcKDj2kWzfSPrDqOM0dlYEgJMQ2Iuc982NpY14QTO79Rkej6arfLxxH5h.2cCErA02Ftu1OvT8s495lU7Acypobo2pleG2RURF9mYci.Wgp6DpBbxc5GfaDUNH0TctAaekJMRD01yzjnPL1afXPQUeVaInaFILTljy5Vwq2c4MHQOtUK6IBZSTiGGDUyBMKldZ6tc1pGTkPF.lh6rT4Tzombz2.xJBJ786.Qmi.BBS6qL4PO4KBX15g4p15cnIOpxEFvxjOBwDDks8foVco7Jq5iDDtFY1rchEA2b04OUm.iJVpshStz55M9uej6DcIiZQyUqaVKO3Fd0zm5TvV2KgzcRoQgY1uC6U.kom7BvwtB_T4oKL5Koj0OzEepYe8pd2e1KFJKOqfxO76scdhM_RT4mJMTBoiexbbSobKuXiRcruJEwPgIkE5xTwu98mJ7oixWckLHxLiAoCgB35GG0lwSGI0eUFhcywjhaDymmj4fwOPkHNWJNt9mHdTGRBFtpiZ3sKzL2o4M2n1yXav6YFUyl5e.U9FzG7gQQic_qYwdp7ygEExsTRA.vACBxrP_BERtsBAtpsfzSH9LopKqS3BrcHSwnmCLNjNESONGhmFL43nCr1U_GjRUMhE99HYrlpbh21YgjQmsO6JdISEK_tcdqiwgbIYdA1F.pNgbRWPmO9StsNBo.fuxw0G4h3XTWcVPm8YK6RNM0q0.u0F.elrA1yTUV6Nz7u1DhDWxSKLc7G5gDrEutMKY2TCqZZZyZTkeMN5hFaOLFo4ZvINle38BwY0_nS2cNMzeeJtLkJOVscRXumJa0eed9A0578DvIcO.Sc1p9aguotvj5vHyg62p_bWapwcZt3g_kHsbF8Je4GUJ6o3wwJmDFCAt4sbUVx6K_GMw46E4sHCi6JHZlFgyOuwInDmkbxfgKPfJ.tlBlR32q.2qCPc0_9aJ7Zazy7vNARy4N_vM9ofMpr.IcNSXuw3OlEvLey6BiBY1RACx_70vgwPuJ"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=9135185e4f91d083';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=Ayman%20Taha&__cf_chl_rt_tk=uS2.GbjqmBWGkSjmH2vkb4cblPmQI5VHQ4reub2KsPs-1739788154-1.0.1.1-zTaVRDpYNI3VFggDJRNF8rfaFHeOaVPM8_59lx108kE" + window._cf_chl_opt.cOgUHash);cpo.onload = function() {history.replaceState(null, null, ogU);}}document.getElementsByTagName('head')[0].appendChild(cpo);}());</script></body></html>