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: '9136169aff8c3d95',cH: 'iffOeCPo7c9P9CwTYrafG6GELeqinrnOBMA_4vW4H6Y-1739798568-1.2.1.1-zLuN4epCEa8lmfpXS94rm8jl53N13mbo7pEjUtHpIrTFhZqCeaouNnDmpmLcjXru',cUPMDTk: "\/abstracts\/search?q=Nicholas%20Sehube&__cf_chl_tk=B.G4pScqvnehL7AFccpdX9Mi9fXep0I8vBaNGt5yqVY-1739798568-1.0.1.1-5XVlaPAjogmbw.xoWf6jwvF5TahRh5mtGlia6wmmxhw",cFPWv: 'b',cITimeS: '1739798568',cTTimeMs: '1000',cMTimeMs: '120000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/abstracts\/search?q=Nicholas%20Sehube&__cf_chl_f_tk=B.G4pScqvnehL7AFccpdX9Mi9fXep0I8vBaNGt5yqVY-1739798568-1.0.1.1-5XVlaPAjogmbw.xoWf6jwvF5TahRh5mtGlia6wmmxhw",md: "R5wSBqc2668hUVcpCKWd8xNWxZpS712p16LV0ZEUKbY-1739798568-1.2.1.1-khe7EZhNVFgyRu1EF7e1KjgjPbnl0FiQy8zS.SBwyJahb5ip4HlsBVbt0lLSXSaGGOvEtTUumja9kbhCn31AQmTO5ZZbxpOwNebc4CwtVOogmtHAHetvQqpvMkWVkp7GnaN8mcy4PcpfptLfMU8jARE3Af7oqHwfPbdwF2cBvUmUq00gEZWaGsSk9mJyJOjaoS2QMWy83PEvVqmW5hcbWVpOfXj0ijhRLp8PyJpwid3H.zbAOnSAL4BzSArZALBkJ82jfpIPSusUE8GyaQgUJELCVLTUuMQxVa5XFPvElLssfnez4Lb4tflGHeqU5yXt5jCIKtW06Tax0dlyvl44oQbxmP9p3Eh499Sjz1d8AxTZ.Kimf.nq956PDaEPVkEBYRgYocUE5DgzuVH_ToGHXK52O1hM9JHPXbeTfV6jqP6P1WpoCl7onoVcMVODpW4WZlTRB.7UJiP1iDf4x1vNr.M9s1cgYxRqtfzsqtBVxTQcDdJFy7l5Yjmns.TEPCBwxF061KH0eJSOIDSic3_sVLqn1BVZL2y7aqCDYKnBG3yMkJEkwpKNEYbsaIijESXwkPMwirYtM.4QUb6nfClIj.UcA98b.TCpxJAHqHQGAYQqIkxqvKes4QaQzZCAjc52I2S4NxPDzx10MB7CDz2y_S8jYsMpcEM8s6SViPHimOFshPr9A19Oxz6aOSk_6r8zks2w0VhFPnnUMWH1_mjiQ9w9Iol6FpQbFhC1uBW97JTOsXIYgG0mxl0nca1ScuRAZj1wk9toe9_oojKvUM.vtEF2jPxhaRvy2zemnJstZ9Z01o_KbdQmrQInNL_c61FkcHcjGgYR3cbGoviMfUZRvxI1hXk6epL8YRJmz0nD6Y6JxSjKJ78u.wcPun4szrdG822U04Z5BnFjOWBBMl_opKJGZv4JxXzq7A.kBEOY4JQyTWsXo8FTr1Ux4jKIkCkypJmKjQBYHEI5sk87o3fli0JqMjUek1Jhsf5duyqRmVhllGpWalhpbZGllEyqb2Uj9t1N3k1_3djOk9w8ALpKp7ekyq1Vnz8oFgSV4LZJm6PCTd6Hv1azQGhuDuxzs0RuiWwM4vs1gt.i2xyseWR5PSr5LuIycTARnaCezKso8td8C__KdX54CXAodVvxsSLsRO3ECvfGXY8zomKEpka8p1LhwuqfMz5_g5f86cwvKnCb1mu5qzwOm4aSscZ4iOAT0ffr9r2VWumS0M.6l98qVcqJAbAzN8k98SFfSKvUbmr63PfrgUbTgpaKKbr7Vs2x5Gp2yPoUgFLlcdXEnaXGJQ6bsnvaXLAWqSBxTj7w4nJJfEDRQUi3YmhxiP8eMBxX83El4W_Z93Nnt6jH6u03MR3sRd1SLIrEr9mbkJH8r94wFEsvr52vaMMmV3mfkypzcB0QlwPe7hRF2kLcqEdHUSteK5Hyn8_dEQvV3nwIh_7xPEevA1XKywt8yJhL3CibxCpOEReaWP1l2BLrh7LRnP9qCk_yd8LUZR79pEl2mHJpEcC_2oV_OUtgHLwLCNaVOxjunxUbrnj9AL96diSBHcIp12teHMyxj78AwfU7UTCzGz0P74x4pegY.X10plhvWOHnlAxae4jS1S1gqHREhw8BJb8bMeeoutMinK2Bp9lzXGGRFGK1eu4y5JawxIjfEFnAFdC5N6GMd4B.qz_FKyy8T0ctPl2LdBTh3Tt_dDhxFd00OuOIgLhKZmzi.faiJNhATXeRmBqMdxZfX0.aZYIHdWonTbVqqm28poZxM8GtNfOvbiYiR0n3Jm34CmULCMYFraG0j4GYNUeBvbfxo_CQoGGq_R4jxfIfP7xgXDyzOYHzja_QJl3PmVDjzxJtG1ckjkey_hiY00ESubuKm_ldTXtKFaMDgG_.QhDNfG3ZP_4J5sktpCZPvEmjU4uHcDIsilIwvz444ivTeKTHniwFAKNCHX.G8VncBe2OQTg",mdrd: "Jx3F7S3ZWLDQAw.dKnuC6yvE5poKuTDWkwZXwxQIxvI-1739798568-1.2.1.1-TOSSE5jFPq1oMP_1p28n0WMhhkQMJmKff9IhPRpxmLCF4mSbJ.sPOkv87wFoQr6OGT08knrBg43Vhnsjhi7DUtROtPL3xMpLlsmbkn1e3gV082gVmVl8cKjlo_lQ82PQIXtbzUWsUr4SE3w._105uRL0uucwr86kLV0eAHSqqp5hZgqwh1dvPTrGF_cg1LevbEHcIyJvO6trPJon3epz8UYChE0XqITuvv5CciCT0lEQ2OyA0oPKHU_gK4FEJHNqhf0sO1MVxB55DBu6EktcVu6u1Rm5juM5IcnovBViQWFEYLycHdrNAShti3Xy1AajLwA8u_lSw1u1BfdEK8fxnXLQBApjfrpq6T6ho6YffvfdmBBSCVOt30herZ5gtoclMYhYguWYlsE4913BXG.wbstelFd0t73eownSxJpZYfu7x23xlwA.HswMdUR08n_bBESyBFD8JXKp5t9ONuNysDO7WX.1p3o_bZL5ke7c43Z7ZP3cvrawE_b39oQXXZLdQvodCCUL8CQzCUFbAtcIGpsQFV3S5Azfa2MyVobtmbogpfFey0VrUvdP1xVUVHmFn.ArC8sVQvNBqsp91b.agxfolqBqhPNqrWJexC.tDgDOOI2aM2YSh1nACbqCU5WVuuCqVTAWZCEQSUQqHhaaAqozfE1dVN3LvzNy6xhf9b7El6HiWErf__LyjKwNOhjFP1YKoqavWMdmJLubtR0isUmTbnWFTgLEblzn8z2zBzmBRxxO1tva_Wka0yNGjeTk4Fj50PmGHsF82e1fUaxtQiw__AautRfXhUe5SpcoztKACIka6pJPVMyycgCmM9iR5mYTYhbyUs2v6TfCcW_erh.Ia3TyU2mvXKnk1IYS7QVTJxILWrK1sWW9ew8azW83W7i6Xrtd.KwTV.uRm73l8Y5ydellG7RaSlJUCMpBhZq90nVR6ICv01eS1.qQ7_J4ve6fhyZMJMK.oinAA4kqlWOmAUa7.SkpkWby_CD8E.QJasaL6ci5rZMNxu98pFT5H8EjHipOBfRWXjsHIutcTgqHz51NfP1LDb22p0YYEiFS4QM3oBKMqA8Y4yk1VaeJqazGDsi1wicexjMYneu3bVDhKpxxLRWvpQGnRLKpxEqi.0_GwgnWrLmT.gdQLG4OXzIUgL8yiYDl01GI56VUmcb2F1XZGPKJ0evB0xKcjYBEqF3JcYGBOopHGZWNnqGj184jP3slvnh_ZgsQ1V7mBZ54YHxE90Vu9eVaSLpssOeoZ9zmgbTtBUb9K2AMZLmrLgrk.Od89_TxOMXpuNO7zvj_rdF.z2t_4FZyZnhaB8Wy.vN_MR5msDBUuhyOR7XK2SZGesuKlnlQ9DEnGKQhEmgcNGiU.q190nZfO5q3DkrKFIMVDrTkBBO_7Ck7iAF6GLU8mg_gxCPeJlxp7f84LloSJGwdt0wQQSdFK5YjpOge4.TRKNWR97sOkrl_IFGVT7.9uGRaFShdAzefbB5Zo07iAczN5MjrjskI5ClACpYgZOW.gIRBsEFZSuQfK_PneB1NfbTzHPcVjftGFvvDEd4j8J6BY47kzoabozEBPgS8Uid9ZKwxFS_c8cn78aTTQjnlUfWWvg8jSi5NWNrJ1lDH_JJWLazYix1Qe8BeV6nnopmcr40gKtfncQPyGM6clcGsRDB2OinKfqF.bNgib7TrALqSxiXQXNbdGa6WZ3IKi1DH_ahf0wAykPmUGaTJmfz.QzxP_a6zvfRWK15IVxCP4uJyDbaFeDigjObJJBW9WGVd9nbeOLJ4fiUpq6_B8Jmyfrft2bG1ZF2V3cBXkUvLbtrNHYix6_85uVzmjGM7EEOYeTLAcpQ1C5wOgm1B_fBzgAuvq5oKwU2DoqGJqiQ7eMMuD978v82XbEtpSzq_0yxH6ZkUqntXU17wosEgecxQEad6Rk3aoiUC0B2SYY1E35CVWFNF2dZZuEzyKZZrrp0QGagdeXv7AGwrDHtKE80nuKvzVhVG2.p_aEspgw"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=9136169aff8c3d95';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=Nicholas%20Sehube&__cf_chl_rt_tk=B.G4pScqvnehL7AFccpdX9Mi9fXep0I8vBaNGt5yqVY-1739798568-1.0.1.1-5XVlaPAjogmbw.xoWf6jwvF5TahRh5mtGlia6wmmxhw" + window._cf_chl_opt.cOgUHash);cpo.onload = function() {history.replaceState(null, null, ogU);}}document.getElementsByTagName('head')[0].appendChild(cpo);}());</script></body></html>