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: '9134002e58f04a08',cH: '2rZ8SvzveZ3k9e3dhzBXA1OtGyaKF9CuS1DDhoVZMMc-1739776678-1.2.1.1-_Y8XarXhCCCGh.aJnHzxo4sKC86wxMOgJi2nzyPviNz7e97NDAF5b3xaI8WUZtnl',cUPMDTk: "\/abstracts\/search?q=Hany%20Mostafa&__cf_chl_tk=5VJfuzqNILLfWBbDkz53.YWgZR7z57ecIyeDln.fITY-1739776678-1.0.1.1-qPM5KSKcgl1Q9TFox1mZzjoWiSSSUlqYjDYj1F5RPDQ",cFPWv: 'b',cITimeS: '1739776678',cTTimeMs: '1000',cMTimeMs: '120000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/abstracts\/search?q=Hany%20Mostafa&__cf_chl_f_tk=5VJfuzqNILLfWBbDkz53.YWgZR7z57ecIyeDln.fITY-1739776678-1.0.1.1-qPM5KSKcgl1Q9TFox1mZzjoWiSSSUlqYjDYj1F5RPDQ",md: "mj2nx7t8U3zawmsbORv0a2PKLoe3l8UpB3ioSzxOXGE-1739776678-1.2.1.1-hyZ8P95_C6gzTeSdTvnYAh1urBc4zUuG4LrQtjYQb6qFYaKGhp6Ejcd4tt4yfOPW8EE6FyZXYgBTxFH16exkBf0EvCIbUbvnr8f8jV8V2pXFAbRAIGNBdLgiCy3JbD0bxYHlpmMAPGrHIX8GFz6.PYR0sCx_HPRZm_6MBUGIkMdAanzvZYr34twhrFK40NKHBkcCkNLL96_Mq.iho7Hq.x7f2PWEejtcDAccBXix0wJyFXdeqQs5z1h75ebpBa80Z7CEU2pi0pt2r160mXLplER9AEDJlRFb5ysrV4ydndkezMr5HbCPl8oYtTUMJH8qFTNqAbqpj5F8xfo.4Z4gfFf_AkbPCtU4FxhXudakCVK1h_qiz2ttjg7z8zKVPpco4KjT3tBU4z9H01lUBpk0nvO1lE6eVZFnjLArb_R8Gr00bJBDDBDOnKQoZbLvYraP_6csTBGcw_sC_RT7MX6Kk8delMM6NE2hQQvdxTxs_S1a9RiFlhpm_Zn6x5dqAH_ZyjOzqra1ddgztwEgHZyitY7EWtj7fXV6zesunnyNFojfQn1vQTwXrk8Bwt.9ZgWjQ1nXpJL6ngpohUK6ihxy4S9ZKXdvKztMQ16.4Q40oskD1ltEj9vj9ly6dgctmG2JyNVqTYGJ6KOdIkNf2iXSHIPRkRa2O5hazAuketco8NU0qyvaY7LB31BtS8YH36T_BhpfL4bgQ99kpUMxS8EIRn5yr_QR0vmNuHTHQqyaqHyP3gLsjz.Xv9sR5E9Wy89GR237lkCcWhCmNZtH_1LRlgtjUIE1Pq3gG115adwI6HtAttq5BSFti6F1c3wTiuR9crc9K6hilYjJOq2qddHVvRj1fGGHSGkU62tjj8BIBBY4.WMYx3wmowtR3S1CxpIzvnbZKbN_74M3nT4RVQSNll_06jTeJ7maNxOyqSRLpjzydEOFvaZyYhwm.rxcEyrkX_W055MkvdDmTfNNnvmekbvYrrSp0PWn9X28g19DKF2pv_vlwWjE22yxCnUY3lisdOkEaTmpie4xg7nA6RsJpqcCuu6dSrSc6EwB4Xqj39mYwqTONiTd8RmGEEk1vLHjp8oM1aQi7b.UjigKZLkCS21NTiAp_GRGPAHZ40BA.mOvl6rO4D1H_zhGP6VuIm5h3b6NxRAcgRtjpZ6mfVTdMK5i57KHjtsJE.sYVDQHbQMJqc.RFCVUdLVmtZ6iAX87fImFS_fSKGtlMqQYPJtrto3hUptJtb9shlcoxVV.pDIPKrwD7q38GpcBcyfyrKfjgpuCqVaLAM6sfAMG5pcIQNaA5vp.SpZgfpD8cTtUarHxmmIxG5dPvShxsiQ.WxPjpIkiCxS2UUYRFsu0pq5pGux_rNVyvjDedDBObZdmdC24GFSt94gYchrWn3pkv0GaEXw6L4S2x551mT.o8mRDmc69UfKuCc7.t9eh_M4z46R0T0.c7srXR_CeO8kyNxHYhqxFg7mLflkPpj4akVbvzrQ5JabrXWtpe5kpm_5A.cy1QKdgLOlcwJ6gWzYkbgof9fdgS5FidO16vhYnr1Al3z8cfcx0pneunCHcrKvh4EC6R11xhcNeU9pwQ94P2Bph8odkxvG0QFuOhc0C3USozENXYg7O8XPlJl3kRchSZJQw0Awd7CPkqCyrt0FZVb8edf0BZ0g65ysa75._0vjHX7jLNL6c7hcCV1YafGXPyNn52QOvwV4kibYsEa_BTyU1O4ZVVmp2OCdpyWtLpYVPEvcr.jbIbeGxwwnvwuljhFzmmstAKDFb7uN1YkcHQFyDGQR5XBt.xQ5fmHhkz4oKzI6eDpTHeaiZ9w3lhYhvbfDJUGXec7fJD3wyEtZyFgedh15KEQimR69YGlZT1UtV4u21wF5GQoAmLWR0jgoW51m9VZkJbHk19LALxg.hcntZW9lnBtbTFlo64AwfND9eV_y7JI2QOUKjKFXli9r0YDI",mdrd: "Aq2MqVNl25S6JaHKxFG0IMwc3_cRMeBjl32h7nne0ho-1739776678-1.2.1.1-rXjHThYMCDJkyGS_3vwXrH.WTyr9zt8naoGOLNtLRaMnXb7zlg_3iJFSdk0HQqGgZZEt_RVmNLk0q.p6xN_9JWEVOvU7h951MdxR.Rcn04PpzwgrTikv6XbKJobDp70JfSdKxrT4ezRMV6ol7BiirtlSUHssaL4qcWneOJXJpHEPPd9vzkwu3HHjdOCicXaQoc49Hqor_NrVG3hx.AzI3_3vbTe0QPccP7alquZW_moVL_zheemRrx.BrYhcj.dEw5t9OWuxqPEhMbi6rScRxGtzDDroK1J_wQYCIvM_xIrMDq.JrXWdIYCnUmuhuYrRXq7H1sEBQqUpHCi6yJP4.3KETjXs388GiJw1e5TQINj9u2ne4QDYToydf9wqELaIEebOvogr1Ub_K23MtfxjluSaXL2yg7v3wh9wUDW3r7_cvtUKTqK880epvWPma9FZMOGmVM2bp7AQBXfMzNH4W59no.CMDwPZAXFbdroa6A6ySCXBr8.PgBXYxDzC8uNghCd1.qKbQhG8yskpoGkEw5sLXqGXUQHvpPEN6Ce3eOsVfMKU3oh4D76UiRZRpQsbV4Z13h3uvZ5si17D3xuuutI4vsH8vmK_ewozjwPjbXSFhIoEW8kmjaBZSxmdUgnYtSTl9jXMKU0y4Db..oCO.r7RCJkDRzJ4m8Z4xFWYZCQPnidL1ox8vJJw38iEbuEZQU3B7_X71gVQEOYOjlJ8oRKwokCljn1XiPOSPs8e8qcOa8ewsoJBpV0o_OEPG3b9E2thPYex_D5aNQ3oS29v51Sm_DLVxmHJOptRlDapbO.o7.ahO_xUjGYSrOm1RccpdtlSlg1pUMUEioNPEy0OYoNTXY60fPIvWuZ5s2QazP7ThA1CAoNiloy1lRbmy7cSl_FQE.aEjZw1pDC3LMC8gUx2z1AeUefNQkb7HYNaOkpLXiEXHn.QmLHb548i_DX7sb7lEKfT20T3nIbLU5HM89yXD4SCFTxR6iL1hx3qAdrT5p1rDImNm7077olfHK0otTQByQi.ZrwjJJOTwPIf0WKeZqVQ9DFkxe0ofAUYvUl2NS9.OEVw9OoEMAzLCgmQrz9M5zebFSvuv2unFwRPlSbyC8vD5NULaU_9eL6ACEbBCcXdah8af.TYlogYVLob7mZn7YnR22plZXEMgH6tzD49ZUcZ6s1x24QZGbzSYOyPSOb3gA83vO4wsRedZ3ggfwVqQgoqRThfeVAZIPYQ8htgb.TFC8NZJJ3dkqAvAMOfUZdcBrwlaYXWfMB7PFdBz_Lxr4dxe0.6yrNKEerU4084YICrdJF8y1GLflHT1Y9mPLyMZQdWNkRh4vuINjGBF8a81rKBiHNLOOj853FYtxMmwQCN_uN_gFffrfKRo5xrc1y4Txj8_qm_S30oW7tZu6PstNn8QmJq2Z7ps6lV2Y7fm9RXJhvB9nIYPmgcvsYgQtxHrLs4AqFM3gh2P5nXHUvBp4TqeGPncrWlLFsExhXL6sFEHP1Aq65Phqv6QlXqQlzAZcrffkWpk2_S28fmYBkfhGmwQ5akJG9hvo.uv8CBlx.zDWZSjRwd2AM28VvlzA2rT1sR.74wT5pdigjpUpw7VrP4bM2ZUvL7emvNA4sc5d7CdpVKLwf.oj5RZCIgHlrYOGIq8Z0p7tgwDPX7fcwme7pcESRbivJSBdtZ1WnOga1nR3ikeEWUHRbuHde_TvKXe7doQrVAbUEOum0GFc5YSRDKm7Tm1CzQPrm7cmwJxR8SlE16atreLY8rHrM7umfp8Qn.2w7upMmJgQPC7gj4FEuE0PPQOk4i29OqExuv4L5PpTeFaMHEWVIesp0iug00Bu6KMlcS1xv.BRNjXpOBceQVFZclhMvL0F9tfkN9fm881Hpi1XubiIVRFychq71AsoGx8Q5lKfamsmXunUt6nZMB6IwhF1ftS8R7wiVMlrqCEsTNxt6NAExP0v2zhNXJ.g3YjvYUhFmO0.lM"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=9134002e58f04a08';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=Hany%20Mostafa&__cf_chl_rt_tk=5VJfuzqNILLfWBbDkz53.YWgZR7z57ecIyeDln.fITY-1739776678-1.0.1.1-qPM5KSKcgl1Q9TFox1mZzjoWiSSSUlqYjDYj1F5RPDQ" + window._cf_chl_opt.cOgUHash);cpo.onload = function() {history.replaceState(null, null, ogU);}}document.getElementsByTagName('head')[0].appendChild(cpo);}());</script></body></html>