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: '91353f1138445fc2',cH: 'SkApPGaRk90rh76MrN8vSBX3vlV_tE9l.I6IFf.q9Bo-1739789739-1.2.1.1-vzT5nTQh97ZMqVQin9Is6J8pkEU9QIW7OaRfRCjsDktcgz2m3zanLj1bC20JBiGf',cUPMDTk: "\/abstracts\/27947.pdf?__cf_chl_tk=Bdvr.Q3QARJzb_TllRe7YtnwAqCYZfGDfUXiAEBatZY-1739789739-1.0.1.1-eVZ6kiwiI2yzIz.o_6anwMdR7mNN5pqVWgt5RAMt7z8",cFPWv: 'b',cITimeS: '1739789739',cTTimeMs: '1000',cMTimeMs: '120000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/abstracts\/27947.pdf?__cf_chl_f_tk=Bdvr.Q3QARJzb_TllRe7YtnwAqCYZfGDfUXiAEBatZY-1739789739-1.0.1.1-eVZ6kiwiI2yzIz.o_6anwMdR7mNN5pqVWgt5RAMt7z8",md: "embJKyPu5Aybj5gccGJZNqVGwKVJr97P9nx3fRYXsbw-1739789739-1.2.1.1-BLV.eMmt9Sv5u_vHXvnzu4Dj_PtTUaqMXyH9_9ksqTx_M10n86zw6qOJxVbkr63FDqMbLq3fUE8h9OEEfP7FfEn5Fy.hXokRjNt8yPGaSe6IXpGH1NSejkewbuOwQC9KnXne3xG3xR5xUfIGkAOwsOFHerLtgX15dQhiS2YCytqphUNV2k4SJr8pKhDPi7fw6F.tWiDZKbaFRhoDxeTgg2ykVIN4spj6WRNGcs3OHMV3Cirf_VpzvWF4DcxcQ8.ocm1lAwr0RJlJNTiOv0hbEwOUSFu3XV5tRtsNWS.9KgeNCqHAC3onT76SEE3.1S7vK2Wmppfzd9_Xc3GauCFcdYeOS4Q2AXxZTpV185jVceNOSm56hBvDkqkcRFAZaAYGEaYb9LSIJu9Wx.QSygWMbYQ7nryLpGsrIcTsbSYUDBndzSqF0R8rD8Iez24R6.VFuXvkorS6.ib_gSUZRDotIHckjvc7yHXOTofKww5oXFTCLoSlCGRmuo4RHfP86WxDh7bu6dGrKS4FvEInic0w5RUpQp8DRJ9IzPCVu_Wdj6pUxHjAAKmTBk1vaMbsUwo_yI3wc0xQZHNSKO5FH9NoevZX9xRzzjJwYe7yBfFaCVdqZyMLEceAyrdldl.2YOPmG4Hk5Xl6T4Kw3NcS2xPB7EIUD8wNB0dMP1P6aZAIJlMTbghf.ohKxHgCvwSyzcsVZ5EVOckHmKWyZB4_H2.ZdHUv3dnCAzh93nc6p1vZlILTwIH8IPFHOYXdNB.LfnhZFpJbjaw_MnS9XFqTrD3MgwnjCJ3v8ldcEPwvVo_sc9mRqQdHytGfCtW5MbAhYHGfpl8P0NuS9JiR3XbPMgR1zKBq8AzcL5BJwgr65MHLcOiZYc6vbMpy.r_7ABOXyWLcDVvztR_JoIebM5LI76i6IBR0.s692in6ViD3_5k0nDrnEGTG0fnUiX7_WAzlfjx75j8CPsCnx1IcB80NOLokXAFFsPDYTt_W1.yCxEbmUPqnIyLI34nZ2rARXoXZ7zouCNul7eOG9za3M74OdGHOyF7CVe26VaF4EyODNZyaIT4XQd6_fY_9u86XqfL05b_iPPHteetHXzRRAb.FEC.Qr1_TeOn.M5aeXuOux2ParPbEpd57DHdm7NBC5SSPG5pEyIFewYh5M1hPnI_lx325w1CZBYajqn8kDEk8X23wci1Awf6687HT6tVXH4gjeJBRe5Tm5wrcZkXIN8tFEN30_S_uD959MF0_Zec8RPN1JobpqPA7PRzuXhM1RGBn_uAhvViKk6Joc81yviNzm.lpSOkGb4qpBNeX6Mc3zXFMu76kxNRvKIkbNZ9tIqWEh7zJ7vsnBMUqnmi9gmWeSBfJP_da28K4heJYn1XHlQVmj4Im0eiGGr7cXdV2MiefzCrLsAFvEQm7..dAEXxA4HbICzQVukuwvLcoW3KTdX77i5GAXmHzOpPgU_X2cjXvNSP9b9V_eaJHSOQu0Fs8EKeNL80SUwYE9yKRvkyBiHnsjMGUNq_r3_T46tBNUfZe1wWGJpYO9ReS4ZknS7Xj206K.hVUZ_FJlRnZKu4YAQnW93y84XjStfwxHDm7UKyZa0iOnSe5HNpp9J8O_f6rhGsP8utRQjOjnRBe1KwBR1rGBVOXSXrWhSk6L4YcRuqv2ZAjz75AOibYqItjRyYNYx8VFDzSunamhQAX6sUrC9czpx78f7j2o7M1RHrSIiCJg1lqX8Ut6VKtLl8_JdU1G8Sj4Dor4WAGcl0Zkz1oOwvqNCSRqrAkVlVMtO3v8rb07lQclI.pSAQ3pGzgwV3EqtjXKXP6UEEGUyj0Ehv4KhrRLtSPkJofXmBl2_VQuuyiz6wEP.yl9vl.IT7rrQ9ZIHhs1hP_oavtlI_8hV.yvSFMGGFL1yYRwUyA9Qj9iy86qCMU",mdrd: "x5sgjCNjw9xHzWiiHL_OKqPgL4zRX0_ZvyFOBKsBRgE-1739789739-1.2.1.1-L.h0e6FxyyBM.aouskmDsn_P7txwrnK70TQs4rp_o6qQ_tcrAg09qH7Q1ono8VTr3jpTNO2q01GowjtCe64JVpb0QoTNQ0p1q0XpeU2.0wUWL0fLPienp96Ido8dt.VERZv8hAC2w5BvwvN5DpFl8tokH7qbXZ.0t92AE0j8YpLVYhaTF3s5oww2Ga56ZMMn5VTbh9dtfOOaoLeIKC2RNctkoQ4YKZYy.qeYsVr3VOwMaNCt7z0qwpOoPnWZiz19ESPtZQSpZMCOYpo11U7oPAZ4dXxnX0GWoSd4KyVKmibPMN_F0fd_eZ3nIcLu6DqMKCBf47ESZGIwq7rj3YWZKn6WNockiiVQZCLk4f_0PExR2wlzZ7DzuUGIJc_79yb_LvSinbQHwMtimzuQn0dImoe0_jv0EqRbaTZFcndOQFAiNI8hQuQkaaMNJV._BCgYHoPYZC.6USIqMj6zHX3ooGno_GUnWO9cN.P9PLJTCJuLPrOzAREq1w6YhWoyojJx9R2On4qnwqSUqiFYhKQy8TKS2cHmkgAiEQ2_BiqvMQXo40ygSFZlbtbREYIdvC714zkXBE0YARQTs6vhNb95eWiZWsjtIFrzy7HgsVsye94cVAlividH5toVv_6imYJ8qvUu4CvtdydE0jMU6CO2RvvBJVpbKxNUW0RtvexFy9KH0c7_RpYy2cZe9ubs3EBMfsXvOpxlTKDmzA4YPvYWCeHt4gZLaVj_Dk1YiNx6AOyfsE0ymqWjevKnP4ZrrFQI_g587wkkKGASvH3X.XI3f87.trJaXB.0mvhX6cRhTg8QYkhk0hfC4RDYAYU4dVEKNU2MPRhzVdYyd6v3HAvNiYTOCKpPo2hil0zIQ3xmvP9rEasd3F81ypXNKS0Hzus.yjTKiW6.lXB6svusdpdoxuVLGGHY.vygsyvfu4I_HY3amNSnwuHp2VV5IHFzVWhkFC_dELbFStS2okG._gR99o.za4U57ODLvylcLnTgwbEr6n52Tq.X313D2mywwNLPboZGSp4Fco2E56ZhZPkOPmwt424WPYH3NI5CgQuuYzP7sobifl.PHSnbOlSt2YbXaeC4pw8S8SXqDzUE8webbkxdNpSPAX0_ojKpauIKoaxZafTCntHUyuEilzD3RKgCxTZbQRHfNifI95QbYlSRipJavCZnUSmHDeB1W.qfjVbS_zlQS.NCYAv.AN3s5OYJhgEn_ufaxfuJG7ImONMcgTgsMcvr0OOk3m5BFYbbfoCst1pWeC.dwro4eoapryqj04hQiZnnc8d_aANOb4OANbKN4P.T5kNDP09yclfl2yOb6o46gAr4r9v7aR1r39Bo797M0qKEi5TVW.Waf0UUyMDfMb9rmK5.XVUWiv5xpkOMWeUF2tKutLCdBVHW9GPbmApZ0aCkaCuBpc864Dxs9BfVhwfTtdR4BczXbKlrJ.sUh1Jrkd6bFJJuMgz7_8QQcrVf.2nL2rZD3RJGlYUPusvV800M55XLdqVCmjFYuahWQHuSfyCUHPbkZ2vXXc1jsNriHnz6ejRexbegQS4wkyay9VAweioC7NAJCSSxW060z2H_4YaQg5T9hWZF_uXuaymivI9.gDp60YhCBOaNLaApgSsIk.2kbomFbw0Gbjt23T3cclu9yobp8FQtXRbEgkg0eddN3bBQeJuJ0E5meNyEDnxH_07Ob4R8KBjlg8od7.1mZxcrRNG44Ec2gx.MwC1BWPl6YJhRlObdU.WKxTTXBFCFa3iCliozTFet4_Rv32ikxxryfAg5k51L28bzRdtBLRLgVLknfA2EH4UmibRCU22pZUsxE4g9q2MeEHogusmOYbGVHAsL2RAGUWuV6UYwqe5.s4a3JyD6loYhGlryf8VWi4TF_4dmxfHjm0lk899AF8ToaJRxkQ4MwVX9IChzVosvSvUdjgjKJ.xQXGgBBTcVzHnWHgiCZp5D7PXAWF7HZw3bLm.eo_90V3R6F3SbI9DqKh81ws8D89Zkaw"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=91353f1138445fc2';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\/27947.pdf?__cf_chl_rt_tk=Bdvr.Q3QARJzb_TllRe7YtnwAqCYZfGDfUXiAEBatZY-1739789739-1.0.1.1-eVZ6kiwiI2yzIz.o_6anwMdR7mNN5pqVWgt5RAMt7z8" + window._cf_chl_opt.cOgUHash);cpo.onload = function() {history.replaceState(null, null, ogU);}}document.getElementsByTagName('head')[0].appendChild(cpo);}());</script></body></html>