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,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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: '9134cd852ddcfdea',cH: 'udONlzJUrO.cpEpc3ghzWXOqIlTz.yAyGuioZ8WgOik-1739785088-1.2.1.1-5U_BpJAhH_rENka8I3LkxuQ_AnJzkDNf1i1lCO2W4mede8xfsnY1qI2WzAyoB0dM',cUPMDTk: "\/abstracts\/search?q=Amira%20Khelil&__cf_chl_tk=vp9sjHhsNUaUVAuuc9t3JO13AIOXA8N2KYujX9RKrQs-1739785088-1.0.1.1-f1BHmeliKxe4vRCN6uxKMTpNmEZZ8OybVsnYx_RJQLk",cFPWv: 'b',cITimeS: '1739785088',cTTimeMs: '1000',cMTimeMs: '120000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/abstracts\/search?q=Amira%20Khelil&__cf_chl_f_tk=vp9sjHhsNUaUVAuuc9t3JO13AIOXA8N2KYujX9RKrQs-1739785088-1.0.1.1-f1BHmeliKxe4vRCN6uxKMTpNmEZZ8OybVsnYx_RJQLk",md: "3RVyvpBkqKS8.kKva5GtOYDEHoBqufpW1xXzUu5o5_4-1739785088-1.2.1.1-hKvOLJpuWoSXZ0OZ5ubZkM8Pk4m6G1F7pFiTy8cPSMqdIVjdtPwvJhCOZ4Y7q38WlcuPTIIaEjcvKZLF7cnZY0Ia2yAwv6y80JmI9aEXIPWw2PgNwFcETkJYY6PQ9JPyhMJ8UtKat93.5VJ_gh49UAdt6KhJhTnwKMWwoSipPASZx0QPO8WuuCTlAmSbg_dsnj0alPrXEPqlp_GUyatKTDNN7blRnDIUcJ81U2gM2fYYUIABtOjWedyunGD2Qc6r8.RIXXeN3mZ1nC9zNHNcph5ipK2ENNRH8Qyk62vm7FouiAGD3OD3mgVwROOsXzWUzYJzjXFrvwTd320UDikBzuaWNqKFctF6lPqpOW8hRaFLbRbHiRoVKTPjFsYW9KG1XhUqAqTZws70SHAfSmZ0RXgvD624Kw2VUmKWZBULdDPzbQxyFzLrULcRD1YvtVgucDoFDTngtJLmrhJ6tf._OxUuhtbqEq748DU_INFFKt5re.zCtcGY95gwn4v5Iovfa7ZTSnlcikvO4twdjixvNxXpB.n6RMNq6cTKwGEB9Anh8UJZJA.SFB6ojvZh7J0kWxaGpRfvnR0vgddLwJhYduqkGSyxfk.bUZWOpUy9iA2Xsr8_wqhNRLsf4_i6w82k6wSEIlOWo2RWb7tmjS.UaDeqjlNPHQx4txTmFCt.QFvGUGMTugVJEPgu77eCYiDWOYMyjYrJsYP.w95lNnzQ6LhDQTAKXbyxanUaaDN_w1qahb9dSH2zoR81B0K9IqNgkqlwE8344QuC9rsDAwtPdcufxW4UbE4PHZ781mJR73lnkhm.AYcVQWR9cvn86HdshE54QR7TS53LCiNPmvDpAq5cExEgtsHA1V8HMw4ovlimtveUFfXKppVNRVfjV5kw5JLHjVhLLMqyvYMiAJJwDkqHwZxIts7SCuP6K2piT2eAvsqjuwIfp3DKqhbnZYItNB7PXI53Dx9ySrX8Hus0ZAbIy3Goehs4LctoYOiJb9tFQ3NZ2.6rJP4Y2rItpFrhxUnR8w7zxbI5pefDeNHmiAnuKC9M1GAYYDGHl_SFldF5EGI8E4SusfimJpXvT_2TZ22iRN1LaUp7E7qQtOw3ybIxpF5K6ofov.tnku6NEzr2jUpETZT85vLvPlfgdcWyJ9XeAAXyCvBQIIf7pwWHkrE4oxM0b_f_dO68o7F8ikrtYTLRoFgxerhSNAcKEYmmP.sS5Fck0Tsb2z.DgNnl.RDSBUH9BY6KoSWlT.vatLzsVFKxuL_uScxafP93mPwM.n8DzK1mKAiiHuBsD.qxMZI3aNklRpFO4z3cyBtjLgIfH_L1VHK9refHRn3BoZpPviAO63nu2Zmhi2rRy8hJ4j1IJiOWdgGEmCu28y_3kSZzvWt___cFfTAEAopzZL824tSNbFbS8t7eioyB1ooiTiJ7jyFY27Pdhhb_UJxpUW7sapaguAZIYVj3rdzOs2psZPOCMBNEBoOAt4c_F8Ay0Vd2jV1d2Ab2XWyDhAsXpQ4KviseesBnOKRGB7wi6HqmFPHbQyMbJcNoBIjx_ol3_rGyy1NV2VVLM4aCMnpScDjRpjRG0t3MSK62Z_TBbzKW4cG9yw6Gp8lw8ktshqT80PWNaP71587YDBASCjKXBsr86l81NOY.t_8zubPnLXDjsTgbuWiHwsdjQzXs8vwkgeegWG0Gh7ZEetSo8R.GgKJ4RxRtKzdeJMIDTKl9Wa7JIoWYFMHW81WZXFsL0sA2i6TMXaAe7297LvUTg1vrDMsIl3eTdnmkd8hWFgOe7QADyqLq8cnoqH69rHpeGdIM_uZSQaqyhVGjwV7oR2E8Kjw4ToqjHaszNNrAx1c_igCnLwIr2PK_8tSpRH3isLlSVBDS6EN13vOC0Jlk8qcBKsCNxPZZS2ABna1YiHIeDbUw0PKqwPAUfQlgnmfLocW_YNocjm3BlzRl5XaBhzSZ37g",mdrd: "IPTUe3yHcpWg1dmkEACvNboLPlYejXnzYkxDJtj1aLg-1739785088-1.2.1.1-eHT6OJKOZEKNjp3w_5H9J86m92r4F5RHLJGTRiwhvoLuLYfSMKXVPnAuR7sVwwrxhQt5vrmVAQ2SuNNaTtW_1ToESpkpBIYvQqJ9SLEJ2tPIiSuxvIvFY8XDNChB5RxlsGYk1FfwAzoBA5WtzRIigzkN8gGVhqqzeSUnjLaJ_5rGrF7_y68HmWYaUHgYG4oPq1KjLcQp7Y7Uj8XB52x29QtwxCLxKrw5acoIAgjtA6SKbAqOz4YqQQIx6eMezVtgMy987axyEkQOriVT95.InJpiqyVlTR70W3nR.TSMWJWFKnyzTXVgmgninjFZXpnx3XjPUzscYWeAh6rmqaCKK_nafypaKKaQzbzb40oBovrAJeg6R2jcsoej7mFUKdBX001zLZPvAQ_8XnAjXStw.c2_yHEQlV.0vwo80YOTWbjta0AdUMfgFYBaPRwvsc4vTKwDm1MResi2C5FBXCAco5Nxl2uSKF7QhX46up4wu.cH.DhQFYiJ0ZXMV5B_2b7tIl_uf5PpKR3kDcwu.3pPCBVCkglt8p2Q6boDsbL43fPQVjh8tzGTANMjndqmYxbC5orQQSzNfGKC8V1NDDk2IqviDC1qCCZRNz5s4uFQ6koZSP.tE9cfncfyL.39HB928j3_st1Wch7_gNIVb46w_QcFTKvdrw0yrYIdyPVPiIKeThOW2xgXUAcb6TlIY8YDm7.XqsRmHBYHy8elKJO6N4urSfsWEmvxItULBe9KLzbqi67wjiNgR3t0xnvpdmljWARD8uxpBNCCLK.j5Px0NGde98x.x1zne_eAgeXn_UjP3rqZVx6MdOI3fnyrcUtlUaV5WlHz0D7UJtkd8oPaFkkH_Nm5sAZfK19z0tqFJpxIvPUkRIUHoS8yPrIrR1ecRIrjZRUljsGscJo7MunidnVDaWhzH8fVaNLblfSHQv4qUBhnomROG1ZbLLIYa2RTm3iyWqXk2YIPMyo.f3uSuDTjOJbgEtq_3OsxFxCluj1l4tdC5luxPcox4dn6lW6NcSzDq7XRie6Yk5cddDmabJpwZzi2Gfi7CYkZzZf7El6pQQj7jcq.TUzsxW.eFDLeLp_T7QC8NW8KeH5q4d1a9bJaQ7KIOaRT8n5DQfl5aWGa8Q3s_tpVgaqwmSLiW9zBkn88Q9NQI0qJty8yRy_wIUJDYoKwQJ1CPMraKsNiuEgX3y78yyWkflGcx5dMRgDi9OvhYi90C4MLL3E4vW2Vpi8VSPwfa6l7BCMRzp4wLYV2.fDCdMsFzUcY50TRxMCyrxuhTC_C0N4f2YnesbWlzTePETYby0xpn25zE.PU3kqOh97DC3a2nPWwhJpfUrhE_dT5NLWDed14QOp9mftVh4ApC3AcITo56XSLELnh4Jrg9jP2M.6zqXRq.W4wY4qlByK3gAT1WekIjQjHrgjEadzHeQXI5zxA8cc18TW5LRiTaxMV9KCosk4yiqV8ra2DJZySk9teHL2tI5RaVLsX6y1L5ma.4MzoiKkGfAcIoTtLaBgI4F3a6H8Shq_qYfrKXmnl9dITzY9C4E1nqLjT8iKcS97iZcDflasXThvZ6p.PzKmZeRnCdZF0N9sWavDlKHClZf5duvVuGwP7sktgzowkYVgcmrMpznQlVIk7NS1I3LPOKV_mNj1QPrJHiXDuo1P4G75SmqguAZ095TPHVmA9ihboijvzOsVUgcdttIcIPkZlscJ0iWWoLWF.DhaEm3HkovhQ6tHF44w4fuCC9SIJXuu0Ax1LQ3xnKeF4jWbQUB.WhZTUnov4VJTQ.7zJ7O2URlG9VxpvGTl9U7aws5wX3GnbTlXa3ONKVXHRW7UtVikT3YtW7mgUXYFWthL83hFbIQr_RyTO.ph9kxpv6BOA2F9HmnT_N1tb7ob1h1ttdpj1hRz8Bczu5LYMQjgg_Afr6IHtHStMMylcee8YAthWvnU_xD_b0JwXNqs5mPzYfU_JBxhehBqzLSHVSaLQ"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=9134cd852ddcfdea';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=Amira%20Khelil&__cf_chl_rt_tk=vp9sjHhsNUaUVAuuc9t3JO13AIOXA8N2KYujX9RKrQs-1739785088-1.0.1.1-f1BHmeliKxe4vRCN6uxKMTpNmEZZ8OybVsnYx_RJQLk" + window._cf_chl_opt.cOgUHash);cpo.onload = function() {history.replaceState(null, null, ogU);}}document.getElementsByTagName('head')[0].appendChild(cpo);}());</script></body></html>