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: '912d3d8e4c98f8fc',cH: 'eZ4ZEHfwpUeUSxEs2zR9.5jp3id.8x6edLA6B8XHgHY-1739705791-1.2.1.1-TqeQUZnBPb_WZu627VwZAQsWG7gRodK6X0gizInKpoWb9MCkTKLqIsNKgBGdWF8n',cUPMDTk: "\/abstracts\/search?q=Mouhamed%20Mbouandi%20Njikam&__cf_chl_tk=iuKQ7UVugMig83AdvJ_aO0XxKv8OiVPWp.z5Cajzyks-1739705791-1.0.1.1-BksmPFpbUTBVk.3YlFY5FWWw3cZ2qoMav9CzvSyJ9EI",cFPWv: 'b',cITimeS: '1739705791',cTTimeMs: '1000',cMTimeMs: '120000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/abstracts\/search?q=Mouhamed%20Mbouandi%20Njikam&__cf_chl_f_tk=iuKQ7UVugMig83AdvJ_aO0XxKv8OiVPWp.z5Cajzyks-1739705791-1.0.1.1-BksmPFpbUTBVk.3YlFY5FWWw3cZ2qoMav9CzvSyJ9EI",md: "lp6PT7NHCUJ1y0JQT0GLfL7Lqr7FGK9floOxGDxPPRU-1739705791-1.2.1.1-jJVy6odbUvvj..7AabLTDlQg3lBBDKsAw0ghj4UbKg2pSgvfbashSrZekG1ZGK_DggYCgzwamzl8Pu71hW87oVU2KA2.uocDZZpmRPqijW6LuY_Zh1OI3LWne837MJ8rNuCZ.mbNJm11n6eYQEQFC1WpYUaV5VQVqfdu6O_ez2fXyqmxLlC_9RDrpeF7fOss9SUlsjRd3E2lccocDG_m7AbuQzM.mznal61azPzapwSPFzK3vwDZCnTwTQ.Uxa_BFTOVesyz_SGreosrlIJ5aMmykgyyqIofuxobgU_juDAfGn0vRSkx96LhrU.yzsy55BTfsyHocE1HWWS5o8IbRultDmBiCNuNUknJ4WJ8aoF.8in1tl_YC7zZCdSAcr8Yfc7zeWqUzHUKKSqmaqLBa3SeD_MiDdH6ei1n_ys.LAkayNO0vjQIP5OqNZvnXOpJI.aBUu7R4CtiQadkt.yPG945sm7Kvnnldwos2fCd2pNYQon78u8XdYom.gmFpMz.hqCZcaA.ZJg1rHji98zOrtfOLXt6rQGbcJtGOjvgmRk2m3SEj1ZAYDb5jKTWwujaEXfXF9XldwyCe_Uv6WGl6UCm0rCJN3Sr9L4uOCA9azXi7HXbdnV5Sr.QvSE3DGRc_6QZlbIjCFmy1fIQuIAsblS2HeRWJAKHADZBe_8tPuaR7f_n5ViWZIi9wKSr7ZKKsGk_oCMQnu_qB.NMbkILoziz3Lkf3zOLfX7lMmbCv5tRH9F8fwDwW.KvUKOjF4F3YvSHK7WeS.a.AIiC.dexdTS1dzIe_5V0yohnXsIaBnDTr4aVxYANVhJTvL8hd6jbUhnB.ZSj4rvVyzDYfErC8GS2AZHTKp4YP35zB8TziQT7QDbUjqurUkBjnOjXIAvG.hl0pJ5LgeETODzwS3UP4nc0dDGIlhd_4SyDG8VoPt6fRbT0KNocztqiNFWLavptV2obx4KgkTaZWY1OU83mOWxsv7bkQDanzXINTUoyfcF.7MOjyqqhDRImKvpXd60CN5pJfBFxihdRmfVmo6Cekwl5cnl08KxPHZhRla9daJCNGcKCCZBntIP4aj_miGcULzU3mta21RuGgTTLMOWqqZepKQznNgy5wPBI5RhOZQ_jx1g5lGcaPi_.7ZI8MFIFbyB1I7mX8pI6mXaRWKML3sKuSs3bY0HkoNDwTVJAV1OK5qvYdlA63v_.axluy3zuqenqD1s7q8sKenJTNo5Ka_q706D33tAhQQVlTWJIdwtSLwUqzQkvdKno8rwsFI8mAqW4b5Dc8TgbGdce9fjEh7JUXA6QEehTRPzBeKjSIJ.LWhUV62cKgNcIM7LwGNl0iIlDVCLuf9T2vZosLtEWd.ttlXj6YIZ1Y2JMPUbLeIOcLN3Wn41ccJjqdfFqSZgTy7ojgR5Qzsbh7fu6OcylGI.zHY0wWCKdnIybK00Rx9oy3kZKw73HtEmrkGLUQM0bBnMECWBmbSUg6qKTgOhKcqi6JgFGm0PBu.S.ai8Yq5BcokM_s5EUZ6FtkMDVbOJee9YeEVKFxHq5TklQNXw8kcIa8X9.vk5ERGJI9Odw.tqxfpKzn1BdDZ9St9CXBx0kuwfJaLGX77_4Ka8r70SodE8HgJkeF4zPfAid9fGhLDyIuKcKTQZCaCJqwKDkiQCeTmZsXr7QpgeBTGfQSD_OjxxxbGPewnfUSFX3GkGl_wSdiOQjony55XzAewaybQ5HIRN9utJqgFehh.2TOIW1lxdMPGOgXPI4yWLtYlcAy.c5lThpDcFD4XBKO5l0f920MtjgoJe65woWxoSqwQvNvzuO8KihwsDX91UoNG5qqO9D20Neib6uox_hp5dPdLeHEX0Rxo8MoJw0bfCXSwWbG7z54qRvUPru.j9EHjkus2azZASg61qm_SOrM7V0mYFbkf41CSBAnOQRId_zwERLhOregeP41n.uQZoZjNOJPiQGe1Y0JNKDF7lXHDdJ7uUt",mdrd: "rPjKE6O6mFB6c3PB0iUyseSuguowpIe287IQ7Dw.A2o-1739705791-1.2.1.1-I0Am8idvXVT165KQ0yB2QWFv27M5pc3Gltgc01zPoAqI5Dzobi8Fnc8oGzN5Swcu6ct7mEUyiC9yX6r.s5dTVMsXjQLSGPI0jM46AbggNPp5e7rkrlmfpt5vXPXxYWdXa3SGW9GTWtx2Ksl3U77A.ZWonLe8.4aeC7EMvuauaPewj0dpoOrMEnLx85H8zyxhsjfe1LVman3NocTYgdTdtmrp9sVdUJXzVqI2ZwM1rNDi3hdu8vvcy728cT6ndOASoDW3DqtC0VyqlI1x6KxUi.XXM2ihC5fz2EwIoEcIzVGBARsc_lr7U80NBywaJuhA_pixJDkFwr6wMdwFf.Bv5ZEk9O6GcMLxt7KxQvdyYFE84_liGF94BG.PUiG0INJM1tvGrMEYmeGmAayAZ37Yy.O7P3CZmer2CUdE12vtN3glB8_Q4iYcnjVkSSNowLZk4pPNl0Syq29oILFBZEuFhyyyBGvt52yZ.SMY2jA.b7MLGm85cD0m6qZXeQ94x0Oev6tPv.vGeezlLX7Xt0xjZeKwO9xyTPxHFtFduFsDQGX7CFQOIrgHRFI.AL2OIcM_dtHDz7mZzcS.O2KwpDKp38ESrjZ46jplPYINTcRB2mqr.t7ThuEQn4jbhZ8hKxwAZ_PmEWLOTr2G0GLBln.M7_J7t7FeWzm.NqsmpbyNLjx_GAhDU10x7U1uqkV1dEq1pVOOHXkvvxajsQvpfslwGrcnl3tdxPNaJwhT5mNXNBQvzB6AHxyyHgt1MqnFM17Rp4i2KU_JC4ZOMO_8K5GX.35kqmKfA17Re.ptH.xJ3aBHZKcFjU9I3V4K.IjAm2FF9eRhNTLHpXL2cpZjkJ4lu435vk.tl_UK._k1gisWRgbE19N08FGHO09Ccswx1Gy4E4rS6MJV1DHaMUiyLDdE4Dd3q1kcnIQ4SX7xJrpuSArzlKuxxOdeequ3VGKMeAOVa6qLmynNlbCRBQAaG8mGtNxnMpsu8K1PxeJrgQOg5ccxfmrUiK.yVmIGzHknlJs1GQ2.ea3yWXvAzEPEv_PT8kGDgvqyWe_2gyGjiFteccptjqAbkBnNbRUdzRm9ABwJi.NEP6503zUII.3PHBrK2sqD9HC2Hp.AO7WYGPufLxriz4a2Oi2sHbzdXNr32iMs32Eq5LBDJHfchk1a981bJEE6apqhTCK52NjL5D8thKtVceEpDH8jS2WWybrfIumq5XMkKJQrcKoGMQwDdYASJxwrkXokZdWX2lxKfs5z2E_j8e686nR67ravFbrjh0CwWGoImVvEALhlYR8JtsegWQnwz34UoLLyhWCdv.swOo0TbhSsifkjXt5e1zxlQiCGWsDWevRv8zRYzWydbRqCtrN7V_N1_JWBbaz4URCcpGOFKr0KfCU2bMYM2ilpfdF1ZGCVvQEVK.897Dl7JbjXWGxXSHXc._q7hlHrc6zoRyPXhFiKtJiguUYLUK64kYXFjrhNzbhlNkNJ1sZcQg1dPQGVZLIGeVqZWyXbv5MV.8N1DhfUz_9cr5XH1OLzERAqFUVO6LnK4.ftfZvpEbIpbmWfvy0CJJqriYM8X8mCZ1UXyWjiugSfd0KNg6iOnFbjllzRRbFEerp_6ScIcNK9iVuQa81cSTCKSMsoUCn0s465XwotDHjVyIceDfCnHHgZWYZB6_ec_Am9Vv9Ti76i2M2.EGQk2KVTVVoSSZ1_WTZ9tel4blxfp2uF1q2GM_AmaHM8zjTqmjDd_bXw20C6On0GxdTOaA0d5OhpMl4GUY6fqYflyNQ552KaN9xGLAAdvWPxpgaswlkWDiFrQ5crgvEukzVZ5ZdUdm28CsH02j5hXt9AlD4nNmRm5yoRktbz9CWirzpuYq_40VHGTqaMr6WWco8QzU2W.BJzzNWCXfNZZukr6H66nW.UERS.VBo2rU6G.54KN._ObScWOyYr7w983_.xpNG_m9irmSbGp5QWzVthjEmCy_oCRF7ciwac0ay8M0FKNkrgImrE3LwkEw"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=912d3d8e4c98f8fc';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=Mouhamed%20Mbouandi%20Njikam&__cf_chl_rt_tk=iuKQ7UVugMig83AdvJ_aO0XxKv8OiVPWp.z5Cajzyks-1739705791-1.0.1.1-BksmPFpbUTBVk.3YlFY5FWWw3cZ2qoMav9CzvSyJ9EI" + window._cf_chl_opt.cOgUHash);cpo.onload = function() {history.replaceState(null, null, ogU);}}document.getElementsByTagName('head')[0].appendChild(cpo);}());</script></body></html>