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: '914a55dbab1f406a',cH: '2J5v6V88kE.s_29ozJ93nOwprYDOTmYPkkyaJoMD6f8-1740010874-1.2.1.1-i4A1K7U8iqSXmo0IE8mFXu677h.N_tM3TTg61YALw8ltWlRs3AGhHINFRYafmQze',cUPMDTk: "\/abstracts\/search?q=Ui-Cheol%20Shin&__cf_chl_tk=KXc2HG1JhEplrgctyz_1FrpbB6hzuBycZDkXsvdq_G8-1740010874-1.0.1.1-jCJa6YGiKaoKP6A0fwXvopyQQpKdkrXGbR9Tbur_Pl4",cFPWv: 'g',cITimeS: '1740010874',cTTimeMs: '1000',cMTimeMs: '120000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "unsupported-browser",fa: "\/abstracts\/search?q=Ui-Cheol%20Shin&__cf_chl_f_tk=KXc2HG1JhEplrgctyz_1FrpbB6hzuBycZDkXsvdq_G8-1740010874-1.0.1.1-jCJa6YGiKaoKP6A0fwXvopyQQpKdkrXGbR9Tbur_Pl4",md: "TS4DBaqAj8p5oRsZgshYSkUNL2j1cLIGnPp7DC88.Q0-1740010874-1.2.1.1-KZ8Hf9YHpX1WF4SxAki2xzAt5r6sPcm_KeixXkA7.ChcCT4dCeC7_nREpuShk.D8speb4HvaGcQeDafT6ftNd6blWoYBt3geVF174r3Oy71QLJXPvZtt.MDxRIRY83kivfKoe4.wobmkbZMURL9tiPUnuJ_Wcc3ZoC2qPA8foWqpngYOKVtaQitLlFi5_Dww2.NYIqPeZMvifAl.TdgA7._w6mZFdb8dMB9T.lSJH_fd7Oh5rnq65Q86SxX2i7adJmrjCHXzsFO7.S70oIAYIVMsT1_YRln0yBfGReQQyyzWQYa34_nVNIUJ.xrPFvk6ATxUkSFJNJzRYfoDiNdTP6l0DJAImVlekdLqAytkorVq4ng20EjwjX4cfIlRMIgPyRbhKK.hVvRmQG9estfijYJ61d6PR58bRDABv34iU0rGKtHdaokGao72SeT5ujxR9q2rn3c7bZi56HakROwf7Fe.qtaoyPVgoyLJL65.kpQQpRuH19ZmJAZFNGPiUlULVh17HdnKqRzH1ujT0OU4jPvxy31YTTN1V17ZFxK3Dxgt1OuT_rIyGosNeMWzJeC3Kb44.bRjy0fACSmw8jbur6oAncRoWwXEpbEKTVXIsbVqB8o7DfMEE5v5CfLOeyyVzco93pBdWer40hE5ZUovvrNngsqgsKeRbSOpoS7luHiBGtJ5Ya7_N7Va.8wAtZOomtNFj2XTvecO.VT1Ar8ym8RjqevS76JdJGX0sFWnulxHCjHIfqg594yRgUt8JKX43SM5V7j5rezNNC0qczjGuFsand_FzNusZUMfRAphcbB1nCNZ8LrIKElwewmFbT81A3waCY3ECc65K3ulIcAe9nuICb9AjghiqxbHXBni_voJfM6JJs0cP83xCf95WKy0SVMTT_z3I4_l.i0CsdFPvsJUXeoPL5U8Z1GzSRUiaJJFWVrcBFF2bOD97ihp8L8gYtwXpcn_5CR7H4oVo0Ytavt_c9JgeCzpALYRPbnTuGQwz8dwYkKSrhZE6Vl7PGjyY_q_r09EmppRrvKYXKhlMDq6wbzS9BUHCylhnAujWHS_sBSqT8rhnMvsU2POs4RWEC4RSfOqb2ZGznY2SIu44pRbe1yOyzL23zHXDTS8uOP5np7KPGTnO3EaGVj3THRe34plOBhJKUZKQlNBXVL14UZnTCXvNQvXDi0Q0Dd75bXjQYyKw2XgZ98fIZzA0d90G6zYYMk5eUhuf_eBhoVvU6zhX74J5TuvDYSFwe0AT7XLOp5_27BjYDUciFKF0ZbwJTUPLPlMDVyMq06o_4DDQMKJMv2vYzAvb6mpVWHfFgdAZNRiUv.GmPEDQ.heN97L3uIBrcrrsYGaz_kgs1OxkQ6AEwKdSF1HU3nmuuzMuuhZv759FjKpbbY5aTaKJMsXBNIVT5FYEQlvNjoOV.f7p5RAeVO2Xkp97tVcdn4dXdF7NrNYfWamPQUrNy_uts4N8nJ73C5FBUfnKoHk7L6FFI2CZ8sfRbujM6uNT_tu142HQxKaSAMxYmIVBugyzsYicbManyOKu.aaXUUmc9q6L1FJ6CcS91iKB.YnGIAwZdeIzOvjebs3QjPDjfz5T7qz89WAfu7f7nawXGaDMhHnE0s05F_FURINE0_htRB65Jn.4_UfVlX3mvNIGkTijV.GYKigdtJn5UNO0cHkFjzzTkCpCFBFI7cIWGali8f4Ah4EQ41dMd5b8rEXMjIwQt95U_WdNLqayKuWlVo8AOEdVnIB6NG8_ZjTUnHu7HvZlinO88FjjmzDVqTNSwqZ2hii4h6Bf3k7w5y4sgN1n96g4hXnwQ5v7QDE98wL8vW6aBldCPQTgOdxG_BjrR3If5SgSqJmYKV9yVYOT1bRngcgpxFzaP6yS7.zNHZ1b7T99Joz6rjNnOh_ZtIG7cqSaCveOmAufJ8RAiOGFIb_ZpgzpfrcYMuojARxdPRcgJicroY",mdrd: "T6uQ20R7PziHZ9MReAKSbWCst5JkMi5NwsuAM.a2Qs8-1740010874-1.2.1.1-FSmCJcKbaodN_L2YydfdGA0.n5XpyUW..3roALtghew.DH.DrMhQI.eyozh2tsn1ZQ4McXBJr4hJO.E2zQT3x40Du3Sgv9.g3pCwWMNLybQfjkzuOj0bbbQhv3lbZSFaNplyEXvk0t8JGnwGKqYcrrmQZRmJ4JrMSSPcdPvh236CTTdsp_xgFc9ayMp1RQ0t4qlbWapQg4jJNpJmDbeGx51omAn40zFLxZoi0L0cqkOnDaqayqnueFyoPfOmA_iKslkD1HHDaa6AXl.FFWRG3W1R4P5jNRcTHV3jBWSVugRHpaGx9GG9ddLBi0WoS1.acR6936rd5frvP.9ZhpCLi6SDO84wPA8odYN881QAW5TwezLHN1HhDb23fX9XaFZ2gb7zNKgsf9kFXvIWTTfpDnLqpMZ1LI3sriXzOpwKjqbx7P7bRiYuZQhL.PGfCumMjX1MzTAnSofm.K2B.Vl63XXHweQu9PukRPK5GHA4LVmbFSPMTvY.y7rXaYI9TP.LJ6aGYJeD9mSUtdMT6QwFEYj3McdQvFQ4E2FzyiM1sU.A6AJ571PUHK4a8IHl.wewzArWv9JVZysbFhAamSNrnUE5fCI78NVpWNWu8mhTlkuPlUDTAJk.qB0l8oyUtx1MCl7auAF30d_Nv2P1RK.WIAWGgHDVjI0vrajJCs2sHgqTgWkbKp95TK9H9a1XS6ggrv0oL_5vBjKCIwQu5rqoL6r9IVVf_YVwi.DyeSByXW0jO3cKkTfTb0B0Miglt9B.9pkWpjPj5iOdOZgVhHvC1Blsr71WRE0kIjcZFLegxIaeLizrRppQWHBv_gTvAU0qbEQRD1j2gBSV459YM_pf94pONyT1dvpkK.ZEoMFYNU1cQcGzfmVkc1UkJ3YqUH3GNHjt_xzjWe1HBZzHk5YsudXngFupitk1.hDwkb.NKvjxXL3Guw4OrK9MHLuO5sQGxALW0nrCHg6Wu1zfhItjXFcmMBsd.inukYgPcy1hbSP1sFmo57DjHzoCHMh62kgNmWAu7109q4Ec9vtxUuRIYvlWWerua.1m5orcxyk3_4XfTl_Lf57pEZOQfoD8Chc_Jtp4lpfZCoSS0V9aCraHgr5Gki8Fgf.oI1A9oOIRa.1zY8nD_xNooPZaDGrQP5HamMQXEpxqTL4aOaG2Qw2ntjfR3cuT_DOK6kvUCkA0PiByl9EMurIHHTXyyKSzM82rb1OxX1ueNoAatOTfO3V.9pUiMBj9KRNTEkJJ_fHr0WmStohatFHfK9jpmJ2n6acsAKi7YU3p8wzpUWJKSb3oJjlRlWrTXx8_W9SwFTTxbFIWQUSUHZnZS7vI.7iOMNIEsPFmOo.kGneJXPjwYlBxoJqd6uiVW9uBHLxdR2eUqW1_72PijkiyVcV3Ep3IXgZxb82nJlsuFVEtCqJrwYu4HagHZdobOWfdmkmURdFrywGsadgkoXLVE4uvSeFbcT7qxGeNrBnyYbfk5EKPqBaRNbJUtKMPztoWF2zAZnRFc1IlVt2K11OJyLdWI9PL9SmON3.RqFde2mWxPQgBj6YKX436xgjY6d6.3o7CpbJuqTgKBHE485TZYBltVUNDWTwhj1_7HZ0AO6xseufJnHMVo07G_dYWarcqFye9RuT7LuH12AIhuTbBTgfZYu1E5pBqn53DVJdjrOzeStrqgu8Mn7K4cojsmUs2PzqM7_ixud6KJD50U1wkQjBCZNI1_AMKxTZKxOglNfrz0gXhUzsN02Udr8Xqo4kjCzOpEP7fPAFSI6AHhSHsfjX5sF2b02eUxFxhEFmjWiMUWXsnkeUYqU4.iD2pTQmCUY2JOso4YX7cpJ.gOUb5BO8Y0pk1xlTazcWEjRifdS8jjyybB33s7K7z.jVR4rKahhMlwcLVCml0rO5Uvl6Q7f5WzOdSlj1nJlu87u0c4SflFtN0xv7LUK6kgZTMQSa4tZkx.eDSh3U5nA6WIADGhFG_P4xcmB4YrFFdenlCxQFXJPVqGMWWJQ"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=914a55dbab1f406a';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=Ui-Cheol%20Shin&__cf_chl_rt_tk=KXc2HG1JhEplrgctyz_1FrpbB6hzuBycZDkXsvdq_G8-1740010874-1.0.1.1-jCJa6YGiKaoKP6A0fwXvopyQQpKdkrXGbR9Tbur_Pl4" + window._cf_chl_opt.cOgUHash);cpo.onload = function() {history.replaceState(null, null, ogU);}}document.getElementsByTagName('head')[0].appendChild(cpo);}());</script></body></html>