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: '9136ed274d783e1e',cH: '2MoilgElapkN__tXTaUzy4Akwd6ZQu5hB4MYyEA1gao-1739807356-1.2.1.1-GcbNkecXjghKs_l.fTq1_ov3r0qb7yEARfImMN6zDYTYpyaKs_0C8aDzef8AHG5H',cUPMDTk: "\/abstracts\/search?q=Nelson%20Lay&__cf_chl_tk=rTa2zzh9qRoldg7Y3tev9yfJbp9XoDs1p3b0te7s5CA-1739807356-1.0.1.1-I5gPZT6xk0rHupcZCNgauV_oREEd_xb7fvj8JBDW7_g",cFPWv: 'g',cITimeS: '1739807356',cTTimeMs: '1000',cMTimeMs: '120000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/abstracts\/search?q=Nelson%20Lay&__cf_chl_f_tk=rTa2zzh9qRoldg7Y3tev9yfJbp9XoDs1p3b0te7s5CA-1739807356-1.0.1.1-I5gPZT6xk0rHupcZCNgauV_oREEd_xb7fvj8JBDW7_g",md: "zgrAHsnH_aY8_cUsjT3hBek0I6OeyAbwz4s867CZ3mE-1739807356-1.2.1.1-rqo4w3k1W6wpzQOazmVPxIS3nmEx9qxH0qJnsyAQ.e.pUCLW3CLTqSQ5Jmj6KHXCT3UgihyjjS0kOeedex8E69lrcnT8smObzOLKmmj77Fs3Tr7a0za7JAkgSek1VBXdHChHWVEGgXTDeKXPzd9o7SNsw4cTsLInVGAnXTYVr0npRh5QjPcifa5YSyqhFQDvRQGuAv8KeKmulXDnsPH56rwnjjZ_oHrO.djCxIag27g7Tw46rwIx9HBxhT89aROJMZ18UUhz27_Pg8d2hRr4I.YXSMW5R_xURfx.0uhBRnRL9ssrs8asPN3lg9rf1VsYeJsaZ3DDedJno1Znm6a_Ea66F18AvqJ.StwaiUfA4TXTPfMWB6j5tHQR4lGbcnuuc4ybFMekyyB44QeV1McNUJiDR93KJzsfFi2hVhzppB5Mesr8fuQQKmp8c72NPuPADnppK15dlAVQ6GkMRjwuh3c15kqaCTAIU1L0ghcCFsbhQ7CEocbcKy1vIdR86uabN.NYF0ps5a7vHKX3yKGNiKdWdj0tsqJXN_EowaCXe25MH2NtGc.348aWCL7NH_6K2wFaeaWSWWYSZhv4FoRKiHlXkxmiGT6iKl9Dt3VteUkPyQSYr9zS0liwGJbIF.orCWaseTE3T3IKrc.wLw81IqizJZt332j_a4exFT3hrhBPEgOarvPgmeKOaaGP9754.Kej7TsbHAYPEAg5hKOiiFDMFyhng1RMOrlO8h4FGGNRXTk6EDoxZ65sFj2qnAm7ZKP5dkXQ5_ikDVucjZsvc2OmSzak.X0TH5b1HDCV6ISkdzaElJyQB7LIXcQZOM_TX4lY0oTr2m.i1fZXQzPWaqEgG9gE8W4SolrLn5bQFTNHOcyoa3Sb5mj67j8MpyJTirAUpOXydVw6nmMfKsmx09tnCPE5xW9Ywx6A4stVI.7t7jPY2BKzbNDAuH5Ih2Xge9Ov4hPZgGnwvd9F4mbwfO1ism52MWMFYHK88fwVhLtLMpBBdhJOdaQJ6yjJRzXqcx4HcBqS_6XCSmk4bszzWFIe8Q_dNbWhN6wNP_LeSii1wj.A9ybQ1IHLwz4wLr6HtFP.ecJK7MdVpDTpeuje0UpXyPD1kvyNfSBWoFEJrKfamUsGMRIKTo3ZWUu6aoHYgLDiASAiQI1wwl6WeJ5QA5ewa6P1uYnIDIA0_m7cHVAnujpcTEeifDxaAksqLawgjm6gUiD8GprPOfp8urqapl.6UIfo_Yxwamuk6qGTOtnVd6pSzMnCC3uJdhmXxACAUSqD8FR_34di1GLn85ErYIk9kf_nIEUbuYo4fMvHupkuW6bV3ZPGTLqmvM_D7DHqMDCwkcbI4Q.6ZvNXCa1T4pQUKjSUAOkelkLnOyYgR6nJJhQZGbAmE0y7FhsNjOzMRmdGKaIPG8VNC2VHwib5_Jw1oQYhovHwa.fTRpHF8ZHazG7obv5wzT.ENq_hVTDNAfCTZ2XK68eAoD0Rjjs03OfSZcAHKhav4eheIoVv4hdJR0llAuTHG4GGKtgL3BSmVzQXh5VX4LjUcyAcGw5ChrFXWcKdE4tjP.Q6w.rJcYtrmQGL6Om077Sf.SyWaJTUrgi69rr80Sg.eQ7Uj_EYlu1bAqLPAbHvjdpFQYG9fB1Mz7Bl1r1AoxHUtJmqECwhpdlRz4_WLguUDOHDmeXvwlVyzxwI8Y1zt8mkylS_qlhQKQZT6reSoAUz_gTR6s_zPWnXXs9jh8SWUyEMkDZpz.Q65xSUwJD5DNlIaJDkyRTUf3.iQnmOyj.oSty6UruznGF6Tlm_KsK.MxNnwUV1gC7Pg6W1GZEzr0secQuPuVNTzU8LZVW_5Wl.FagvIe8iJKUbodbaAFhVMtIaUddcRfnb.kRjqPSYQtCxMhgJmy8yWj1tEp1HlH.3rbU6PksBr77oaBGGRRjUa0cnFIY9WQ",mdrd: "gmCORvr9kWjCwys.z67KO_ygcoK.cpcYS.uniMyU7T4-1739807356-1.2.1.1-Fj.L6ONTCTiHNUj0dPM_7hSuoPWeZzsagl2qh6ZAFbzqC4XrMty0TRjpdKVE7TRmj.GtHYjkxRsyaDMr30KXcAY25Cw0oCMZRZ3FmxGGrHGbpUUpEonGcuna7dBkhCM7w646azL3f3jq91tWiiBeZ0jNS5z6nuGwVx15L5.XbFKZznGb5EDP046pvq6L65xa25v194Itc8ovRlzoOxp8bagWx7vIsOHkxlYCD1HmHZ.D3jI8NqGEvZfzJDXXiKGJ3hdHE4bAudWWHigHLX_RilsIZZ15JNpL5gt9auCEzHWf1lNoS0qouICMI5mgHG.IyU.IBswdMDJV2G8Id.KpRq364te686bdAcJRxB66pak2LTax74ELffnod_6ipD6Bqdbj2CBIGAQt9TWR9dP30l.lBcvYg55LxZcFLdPWxMKYgFV3U_veOVNIRt9W7DfV64KCtO5gj5bmL1_LgpZhKjYyhXSqnp_qpw4FPy0PXYH_XK7.nGnckEuubjlsOeKd7dFO.V1rE.bjlVqXQatdBU4IaG7JR9vAxvozPZyIwr1wgnBFS0vINl9SeRCu2kNPNQoIEq20S0m92l.imA6VMO21YOiDBSihQSzGwkkottOHjFReXdBSpRJLndn5xNJfZpsCNSJHbiGxE74y6h6M_ZijxdNQPTPI67tmsbK4Ufelxi5MA_gdaREi1BsK7fU.8W_ml9kOXKXLSSp2128HBtTvoVyRAIPZ3GBk5h5s8VQ4VUD.WnOizYWFHi6y_ZAyQK1GA1EmwiGsY1j7vuCtx4cQ8aB5PYxgOkiLLF0E7YOfGbxWIPosCILc1aKhxZROf5EbPmT2T0_aruGxj33z4VnV8A2z6n9aKI.dZUA0CpTZ2.iCrxy2knajUF7i0vHiRkz3VEwUUVuOg9ayV09EkQQQBPkmdURqic_OxBFhfBUM.FpBGjDN8eajus75qx3uBAPeRicJw32wUyzVc31J6F4HtyjjL93ds2bKLXPqo5NHE8Aj9ACWuKpuN7X5y8j8sBbzkBblNGPea4FqLQ.zZkmhXc1BrMz8M70Y0jFO_CSDUKlpkupN7iXZYYXMg9UuaP6yqoZVwaXbGEwSIv6_ICfA3h6s6Yu7W6W9Y0fIBw35iFHe_Hv4tu2IOEfmggumB77AktDjYN5Qj9ibtzh_jPdNwMVfZbFppJvVfTkrSIgAZYRVRumX2_hvCp6PNVb7YW8mE6LHAGkrPwgb9M.6bR8Da8ehmZF9Whl5ZGRK6hw8UzKZOW3Ak73iOP6S8lSqylj_.b3TtU2DsFAzNEWXzknSOkrU.xsAOJg903vuwaTNB1r.5AorOr06CRU3bPnnYAlnzFGmSN_I1soc3xiQs9kYDRHFkbH2oPJk.hCzPGM_JNw17dLmdPQ9YS26np3vChnajFpzA_5bTDGPeioXdsXhcZmMWjwMRBeRALuW4L1oj8I81l7iWbIkjJme5ABFG.8Kfh5txQPfeft9pknoz9gEIEnFzkgpgbOsLgvvzV3krCbyBPTcjagEaXzDJvVj1p9SsxjK1VBcoFIlZPW65dDpQdiZCMwhTiO3X0nbCwUv5O2CXOsJfFsfrr5tSBmwLy2xlm3Q_32BuOaEWnGmoAH6qmpvL6jf6H68SLQJRnDzhN4sZ50TE4Cfi78s2qTMvgS9PqPmauXJZvyPzVfMAHw5zg7qiDr4gIFGleisE2D4nbIlZZdXXIXtLAC4kKuvl9IbUkfiL0GqXU.3Yvy_MWRpzSk5l_mU0DTx8zNSXrYw2XF4wPjziAA_4B3VL8c4IMhwPSR4gZsB5UjjkfWrM_UYUcNC7Y1avIwXzOHu88_6TKWCu3wSoPjOjdeRehw8BVOaZ7QAIhD0dIkmqyEfilumPhiywsgr1S8MBN8GVXwcDwiUlIilwbLldm8oi7K9aiLa8_Q72TTUeMQb.htmQpR.oCTo3pYB0XFWnco75RUoqoTs8WyyT.yuIE37DgTY3uKcA5B2watHFgfHS1ujPQ"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=9136ed274d783e1e';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=Nelson%20Lay&__cf_chl_rt_tk=rTa2zzh9qRoldg7Y3tev9yfJbp9XoDs1p3b0te7s5CA-1739807356-1.0.1.1-I5gPZT6xk0rHupcZCNgauV_oREEd_xb7fvj8JBDW7_g" + window._cf_chl_opt.cOgUHash);cpo.onload = function() {history.replaceState(null, null, ogU);}}document.getElementsByTagName('head')[0].appendChild(cpo);}());</script></body></html>