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: '9134047e0b7b820b',cH: 'WvP1L8nGfBckW42UGK_OvWHx7qd.5vTRKcCGI.tpDLE-1739776854-1.2.1.1-_oeSE1k7ecsDO5H70yPIjQDdjAuQR4YyoXyMFaM.xZQegrU69yqWS7mm.TM2kGoq',cUPMDTk: "\/abstracts\/search?q=Sa-Kil%20Kim&__cf_chl_tk=Jg44x_pASpfm5Q0aDlh1jzPWbeQP0G.dOFU0ymgxGM4-1739776854-1.0.1.1-cgMSYhi5Mo.vkuHJKAW98jkD.pgDZh.xQtznr3itgUQ",cFPWv: 'b',cITimeS: '1739776854',cTTimeMs: '1000',cMTimeMs: '120000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/abstracts\/search?q=Sa-Kil%20Kim&__cf_chl_f_tk=Jg44x_pASpfm5Q0aDlh1jzPWbeQP0G.dOFU0ymgxGM4-1739776854-1.0.1.1-cgMSYhi5Mo.vkuHJKAW98jkD.pgDZh.xQtznr3itgUQ",md: "3A2iaixm87lwLyVp9QaE45joajbD_QL3fTm2hFfoCTE-1739776854-1.2.1.1-ay_yQ7iY07iIr8ihpUUVNey7uEB2Od4tuPq9HfBPZ.tvqYr4vgIMFA4cCYcf02Z4Uz80fyMI2FnStRUyw4.YcPBnsCXWTTlKDbHi5LC4zzqrEJu9qEpHRRyAOIUEExlIvev8EzRJMqkQEb331wUEYONK5wpWF132CYF8o1dgJ8.ibXphf8NuEuSizxdsErGf_QHHcBTEk9EsGhI26bXFQ6KC7L6pW9USd1Hpcwq2AEGuXC_HUstCJeNZ19462om1ME70OY4Uo2Rh099MfOfmX.S6JzV7_03lkRaGd5_71IqWctqN0PfrrM2aH8InCTTOwu9_GC6lwfyefk_7jlhYQuIuW95wG_IWWyLRkZFRmuBsf.vkzclTcCuIrPO86.bnwpdcb72ItcRJ95eU5_0r8njm2j6FVL8jj5ihhk7gfJuJSUIdZ.s1RAEDzvWEtkEsiQWMxotB5IDLz2At8OAF2C2RW8ojGi8H07nPQGHfdXYu3qBzyk.LyLpf.D3T45MviWytUHDD63xldT9oVwnd3q8U1v6vuWri703aUa7lbF3JPNS7sgANjwHSuoLLF1_vLe5LoNFtybGN8w7n6hV1JttXO7Fdxcrrx3O2xBO.UGqBTuPv29Qk9nlereYiHglCClYzrf5rLqRgcXntxfcbcVwMkmLNuogwjgdRD5aQCdBJ1_8cq.ov1_OcE0ZQ_irF8hgCdmIJEN0iLDvghduUVgJHfUw7L6jmErA5J5Qy4PriB5py5w6tamjiQkYYcaR1rc969vLam80M9w.7P6GgGEB1wHS.7lA6I7oLGf_iP.sKDkkAvBwhDfhf1g0GcV5u3SWSLoZf7DTfSWE6HLagQz7xMkWDAoxdCy8rGFEqJVv.Wu70Y4gUwsm_6Io2B7n7.x5oWqE6cvb.6.qZALGLFvfW8jfrWqwXx1RqNgwhX5SIdkB4IrOzya5J7WnSsP08EtrDK.NTxigRE_x4iy3Q_gWMjiYPZtLJGF1nyOCaROHN.NKSLHCJVElLt3dM2j9JFRlJaWqujD83TF6kkTKyZwafLTmqRkxpKP8baw39v456bsIDfYYt0Hy9UhgPNccKpIUgLvyOjxzKeSsiEVu8iWTEQ0udI3GkfK5EGZ_v71_wy_5MGtBUhubJZKW7s6aQyo9xqcEXeIVMeBPjJiURp4rZcSjyplSb38_Twcs1OONxXJrOozfx6B.72uKQjF5m5.3B3CssrXtbq7AUTQ8NudJkpiXH540RZer4Z0c6bYCeOmZ4L3e6fj6Qu2vyt3JkMtiumSzS1TwzSQLlLhTrVrPhFOyGKgmUJ9ZjzVKtHf6IN3O6Ac73FEnRWty53KwY3s_.MlcSyKIxQornQBPaMAGb_yF.GHTNkFxRum3HmKs.OYBuLiKOggxD4GBs4VI5UI3RvkArNs1fyoTx6qMqG4HhgIGIc0nzSbB1csAuSNYruU6K3DLbm5IAtDJZ.czAMw1_o45XovlpCgxQINA_3eJEgeQ2MCSQJ0_c6ETej1nhcgWYNqwQ2mfBtR0wi0a5xGNkE2oUu7SNRrIjqMhU0Jr69PDcZbr6voqt3P.d2.2Tp9zwEg3DE6jFTHBSUdDzRcPdOJ29R.xALDV5wXBDIwSf6dD1LMv_krilykCX4Fl4X_SJ1dOptgSuoNut.OFKZYXJwuEJoykuWNk5W18bEvy3slABB.oesM8ZPpOiCz26KsVPuRI0DMHTLlWqW0RKmL5Gv6dsEXqb6hBUJnToCpayCGMC.h.pwwG9FdxP4x3T5PbIX0npMFVDylkDjBOXADcKPFJdB4Hcz4U1Y4bDsSAEtkIp1n8leLGT4XpY5xWunddoOcd1Fws3lH9CaiW3qd3LjFSQugFbQS2UCWP1LFtVn.Ml4RcBhx3jxWy4usB5u0wFp1KePrLGYSzzCEa1zVujKWmmDBXjv4PGX6SD2Q",mdrd: "uySUL72sGiIGfjBIMTmvpFmmN4jxDfCB6lZpHwTe0vg-1739776854-1.2.1.1-qlgLuQrUUeLEdIoA69ibUoKzhOv3rjK.XAhnSIps62jK1DaExBYXt_2h07cHyVLRsXkfY7P4k96jjsYoz7Co7rH0I4JfdgsbdlU9Exouhwq9uJKx3KiP1pZp60ExfCMRlSsu6R2Bj1_t.yEZApDSs0OktwCEirlvEB.tjorjzuRxec.VbdJbW6NXNEatu1.da_or0RKbA4K_8Y792A.5LvyMv3NxQMIVNWr4dtAoL6q1u0XY0WMZvKTYzHvNX4ffjipfXGUt5yAoCbcd5iQFLY7shW9KrmdC1pqqEcplD7Sty66jPdo2YefykI8nUpFjEFyDNbDifM4wpEW_.fwCEXLYGTWSqQDY2H2Nx32NYD.MHQhd1h.BFzrfJWs6wqdGcYcjrmi_DfMtcyXrbfBtvWJ3e0wz.D5cZwfURoTUnf.u9uoEhF.H0SrRSWbNCRpfhe64Aa9JLCxzuIT_Fj7IhZDo7Xs400pA2aLx5Xr53XXPMIjeHixgO_0vDVrc6SNMNEgnxWp5U8K0K_..iTiyf4lo6Zg3sKfuePJN6ig5rdJAlBq6FgIdFZ_j4N8T706H.sH94gBMzyZnVs.LiB91PO1ets3vll1CgZ6ILGdbUDcGZmvBUnuY5TXfeAsNKGS.Ce2Ux6ZHvnKGR9s5MCZ5GruRhZwrSq_2O7H.4Nfc24Ot3JyGuErlzavFqU86TzKPSXjMoH7rfLUsm.fw4MGz9FMEr2lGdu1KewEdiTFwmbmVZdVvE.grzeYmqrbIxvAG2zkrAaMVA2lpkOvf3vmimm1LviqWYkHTuWxGCZUIh2KUCegOJi3XJOYJTAdQjIWg1ElQjoNKsb_X0rS5gsCka0gnT22R1jp_zMrmg4A6jeKCHVDXe8flDL5FLpbvUnlyjxnj4p8gwWmmiHNL4uKu1HkgH5XK2k.dqlD3vy6JCzpOdkybEllNsBEIVFvWEab0fifD8H_XAxotgZGVR4L0EfgIcQMX1amtD2MKon6Eyzrb_L7UHES7MxxEANzr.kEHDwPvCL3LewKHKW90ku6KqgIvcNx4f9bobx8e8ds5taL1wjJ6vQYsUxT4dKHKpT7RjRyoSXtG2RqtgWAIFnR6RBz1SqXJQVR77cY9X9Kp20aaer6x490eh7IELur1XBtWHjUZr8lgqnSf3NH38.76HRzikI4C7Ts5opB9gNWRMjHpFH6Z59UdH8clNmRGPGwAtaWFngM52Yt5Ss.Qy3XydsijtgcPsfalH..p2ZrWsdXgFq.86Q8p4r3lQx8FhxYbuDtsaNTjUojbKIJHmb8VddPpoCmOMNua1PldVeCIJhXmS1GbSluA_VU71fLHX7iLvEt8a1DscvanvyFBs6LmYnA_5XXNyVhCxG4LNdt8PJYDYwlwIh3TfznHi2gswgU7QzNRxQBXBpuiULXTFSwMRCnHbj76ZxIEvRRlYUYwIRJgggLpul_IPD6cW.K4UBV_ZvtYICzF5oMOEc.58h5BsE9glXhmx_VVFsHiKQHbYdyBFv1zY6hQV7BdH5xHhwcK6.K8UFwr3IHpovNku.kSOhNKjSzxE7UkNqZayezVZ_Zgok6GSWN6ajrtzOQarzJUNdq49XNRDFKaRAdb_V43KjPD4_wnAloVLOhpXmmBhGfmS18If4yugNqXl6m47uq4jYo4qXSkgyel0f2xDtWGZ86TahjiqBf6gdrQcHzTJfj.0EGGCPnCL5ZGoBdZ9jaAcJ8R47nJ2E0tOo53oN2OShAsN7birRSA9XhTKXArkDXTzAM8WUmIhVDd7Y9OSoHddzYBfq24zSAGmQwMwNrvGq96wYt61tJzUqLoyb9_4sahCvN2mVIJIAiXJ14x3PWxfSyNqeOucwcloRCwV6KMCj_vrVLaInCuPSRWPYYAzfggvGsH1vr0pSpi5cs7dlfbCzdtddmvS5q7u7DN0PaJ49oA5ngfQCxRMWdPI1hYLsAtlM7ijM5uHnun82c6hzEDK9hbG3Vp52H1VUShkhGvfA"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=9134047e0b7b820b';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=Sa-Kil%20Kim&__cf_chl_rt_tk=Jg44x_pASpfm5Q0aDlh1jzPWbeQP0G.dOFU0ymgxGM4-1739776854-1.0.1.1-cgMSYhi5Mo.vkuHJKAW98jkD.pgDZh.xQtznr3itgUQ" + window._cf_chl_opt.cOgUHash);cpo.onload = function() {history.replaceState(null, null, ogU);}}document.getElementsByTagName('head')[0].appendChild(cpo);}());</script></body></html>