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: '917995bc496f3dad',cH: '74XuLAxhtxFRoJTCF38.9uQzxKeZmPog1bq_i8tCmNQ-1740506321-1.2.1.1-OMTSDk6lvAsDg4610N1LFovs7MiiUurCQyVQdXF9LWqgmPVXU2MVbw1adrE8OvyM',cUPMDTk: "\/abstracts\/search?q=Park%20Hong-Gun&__cf_chl_tk=2ZfKAg6Us6TUEVtcYQXyEXT.b5exQuvvb_9OO8C94tk-1740506321-1.0.1.1-V8bKwIkubt8Zbhj8C9MSaZBQirxMvfgaWLkphYhubBQ",cFPWv: 'b',cITimeS: '1740506321',cTTimeMs: '1000',cMTimeMs: '120000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/abstracts\/search?q=Park%20Hong-Gun&__cf_chl_f_tk=2ZfKAg6Us6TUEVtcYQXyEXT.b5exQuvvb_9OO8C94tk-1740506321-1.0.1.1-V8bKwIkubt8Zbhj8C9MSaZBQirxMvfgaWLkphYhubBQ",md: "WfyNpqSjyVl8Hlw2pyNkSpTTadYRe888eOUhpS3AucE-1740506321-1.2.1.1-xM_U6V6KwaSDHKYtZlAa8S7RpWVOSFf2WUxQRLEVWDyfCwrhqiZcmvqN4Ctrd_HjmKYeUtnM.AITtwg3qq5fv7o_PwmcY3BukAnUB_okkiuJ9HGDtyuXZffAMi3w9Zkc_AAre_DuD.c6Jm3jN.DwMo2ioWnxzAwpBWaJfEu8oKhGZ99QvVpNMHpURTRHRAoto8TNVH9tK1sVJHp.jujRcKcI9lhJ9ETSQOWLuGMUXubP0DFlMFRXfqWhf.O3V6ycVsZL.RT4YZnrnZSdvDRcLiTOTNOm.mtUoUKv.VQCZPl8LKrt7jcfquhAahdwl6tCGYdklLhxABpYfs0hVWbUYrFy444GdvJTd7Am2dio_g4vBEVdo0BQMxeeEGvn9jGB6ZZCvEbFD5cBvV8ZiXT7sEsoo6h8VUb1._bucK1XOUNfSkuMs4Xw9T.LzM4T.qJC3xlCthcyKq0PXvhin5LPrdC3MTdzrCiwh1Xf8pt3Bp8DBCuzF.wk.LN1yoazb9AlmzNM.XPESvKLa5u57p6Vzxzz7ONGhBw.psZ3Js.9KgHeD407TDo6Trub5KVPrGVkXtGJm4L.KqdGV8Z0iUnhTxCJWGxFombtOcjNwwYxQdolidQspyTxvkU.W6NCBmjxMERlUlKXXpH74Qq.P1LUv15xuXwCTtkTnybAcZ8o8.ZkYghyYj_619irzs5LUo7eoo0Xe7YBXP4.GWcudkavgNtZatL9ZHEVhZiuhBoWy0VOIM1WHYe8hNYMAkzmTL3ieHdoOA9COzDHNRX.mPYrRczZ4_Lt_g9I5ebYIzUgxPGL_XO.XV49fku0q6v0OtkWRZIsj3L0lINE8TR7o84ccm45mfTtLm8y3f5OFFKEQwOtm1N4wfmpHP6YWEyOF8Fj3u7I9Fo8NlS_iGABBLE4Kuz4bKNSQFUHSGllHExNciRNKmmLDaoN8cKArWTi48qQr49dtHL.NmJ1kQSKf91LEqamWqek3SoG_5aLp2Ww9OWqCFRE50.A7mLcpICmT35LKGWwZCC0Ep3WIEDjHsPTKUHJHPYqCr14tM4VQbdmrt7Ako9kLveEThgIih9jDrorDvJYLuKgb7Dpv0zs3clHbLAem3S.XZ4ZvRbKPf1NKGmLf.Jw.Fy9txUxmuiZYQt3EBLpD_xR.5r4yz8Lxr3dNz1cLZUEA.DAu_ft6nbalumy4QbxiufBdmyOg.0FnYDXT297ZZ3WwH6GZ9MAFngW24APNm8_DIGjJBbogMtJ738ciLBjxybhwN_tA7FNcpxzbBVZ3qneJja3VrQJNUdQtQ95DB6MGs_TE7xxyHU_Sll2qT6ESbYVUjTHXadrST.IdBqQy.ClIIolPlESSjKJswRRK.sfkWV7N5XD54B878XVFxDMI2Qn1IIX3S15s3prBcF4JvBeuxi_zyeU.tp_.g3vBj_N_oF9Ni6BhiXy9GSurxIyXKyzFG6s.oiFFCxi0v7EgjrlKtbG7.aBr.8Nxgke9M1hLrv9Uo5k5kpsu4N67zG_ukxNLq_37oe6DFLYlHD0TBnvu6w39AEbByE.QMx4BzYg_B1ZFmt7tEYVe4ILeY_qKJHz5ASAsJBPwFHLSrXpoq2toKFZZQ6UuXJM2m6sf1jUE2NuhWIfCUOyQliqeyFQRnq17kD95sH9zoLu62p6UysfxEZThazz2OzMnqQZp_IO1nclHq7UJjtlgN5IvXI.4WXIOffYfFXctqPhAP.60WBhPJvPN1KY.ifRJjQZqcO0bg7ENDJlsEaoKpctNFF08QClWNrRCiGGv86CeCvDHTgshG2tG7NidtM.Sr0kSG7isbEab2v9HbW5v8jpYMWN1LdfPqCbsLM5rf6GTuwu3vJNzPt1NtYGgS.cs_Gt_LFpg.IDqm.g2yJcsCyq05osW6gOjlLdBijZNz711CKUTDEf74VvHirozRWSY8_134INP9Ip3Xz4E475j5Y",mdrd: "q_H3qtgZMzpg4LbHPgYcXMJti8kiwzHWbHHfABWH6S4-1740506321-1.2.1.1-8P0CSJJgw1EocRK3PGIwWLt57HbcXW61E3TQ41zLPth5keprOs.cdGJtEP6oAdOELSgGWRTaIhbVPV9ioY4CY0o9FhvWojlqfPs7aTqrtuK_PC1n83q8_9X5Q5k0e35J8r0wjYHLFOEU51.6RqPTNyClJFsymf_lq.T3_LPthFJ9bJaXDduNSeUZtLohvaF0Or9Vqe9ipQE_oWQHz7_oray3yC8nw4QcsXSOvc3ZYUhw9HypWh6d.btiz1Ydiyi_HOfwjl13WpURFYsRrKM3dUeU_OICHgEtxBtYHp1H0TFPXJLkEN8WGPmJ9ZioDI0QyU1zPyvntBTzZjwZTBZTlNFxkLwJGRdNhG2pd7SPYbI9T9VXfL3lBYyAgjLu4096n5Ri8goel4pa3GGOiEDmC7KBkg.XNTTlZL8XFCCGcGUMDKwKPdqKa5uJHLNG2f09M7fMhmo8XECM.7Pjk.rhfp0vfIP5EJ0dFEZoCc90Wn3o11MPFxIPsYzVtfR4bSaCAje42sH1LjEjrw1JM_orv20jyZNlzprN5v_r5UAfQ0QKSA9cK2CTfW1c6BL8Aft1fkL2x3LKJPTjAiCaOPfThdwptC_cwCjVO7FbrRyzAcjRrxNgMqDo1QNztqwnJZys1YAxEq9JlUKo3VxgdVHbI2tv323eH7gc9ACM9EmUR61GGTWSM4IYASmTuNQvtWI9nmK7sb5zFGMsIOoJCZrJwqoOOkYl0MchdSwquUnnwqhZ00tz0yDNAlKJEQH1rLnP_rrxMjSAwU4nIJw2VoDM.B421_kesv65H8Jk9V06JFRwpGHc2PkkIh3TWIRmqGMafru76BEyf1NCTvpZb41cwKi7XUfnsqL.Odg1ueswLBKkHRVwEp3BDrTxwp3Lll4JmgWNZw21P9j2DPm6H.92tgrZIAPNGYdyH2fWwyVgXFCVuA.2_.awnjZQR1QFyCkau2UA3FpI21HFo_e3I1gys8yR0eznweLBhMmHwZ2W0R5BXtKJYkhxu63knwDTqEAwKB.E518I1NPd9GfXaHCbwcZgYVpP4MHd3mm0W5XCaXCA97RCzWzUmktVaTn2fYWzypHk7OsKCYWKQt2QCSK3_vlOvCig2m0RQ3QoLKSW_DeHpw0c357ckFA1.HQyZp.gPlnZaSOOGaVHWgqYz.1C6YIvKRZt2FXIIypKegrPyBj_7r3tCzNJTyRBuvCFTQ0wFUMZu6CfrDIq1yRd4LGsaofDejL62anaFWs6H1s1Iibmb3SMvEmYaT2NA_H6jhqekm.Yh3p66Kh53hlt1hwPNAZEx0oeojzyQqmdq0wtqJHaHgW5ImnKOk35ADma5zm71GnRkxElLrv1_Hq4bsS9ZcKqNWENKq0uelHOV9ihdWcDTfVdpyI.8VnEs5Ptv0.phfLn27FSwNpstQOkD4RRI.4lzS2mKk81qEFZg.dX3kAYlNe.ykxHxb3ZfVEmRsc012KPw_hphM8tHTsgT_C2WH15.63iZe__yuGIN2qB7QbOGkqEgJdovLF.CQC_1RqPSVcH369P2TlijSuq38ydyiA18fH.3kN3pL5CG4SfQPwwC65jEWfbvn.op8qGyK_Hm3k3W6c3li.lhjTxorhoX5OQwhim7uSe_nR9h2v.FSRZ1TWNuuNqixM4IPZj7LPUVMAlydOr.MUMgPkUSTVR444E0gJTMGUIwP7knGFTsOt8PBMOgR81ZYPE7WU8C.vc2whOnkcax39zTJJVXXbuosGr4bj4NUr1qckszLhJ.p0G6kYm3IoOpr._0UOIxYC6LamyqsgX0rq9hJ9heTlcLGVHUjJQv.dAsqnaKNo41MRlB2iCh0c_p2DEGapbqLVTZO6lEfUulyxoMNevj9WoZpicRWF_RPExsqvsj_YKUzQ5.BBJqDdno2iZqhPi9A04gTUc6w0W9wpL_x9zuTgnO_GnAIBzBxA8WDqDg6ByNmQ0yn.E3lenDbV3yeiuf_HF"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=917995bc496f3dad';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=Park%20Hong-Gun&__cf_chl_rt_tk=2ZfKAg6Us6TUEVtcYQXyEXT.b5exQuvvb_9OO8C94tk-1740506321-1.0.1.1-V8bKwIkubt8Zbhj8C9MSaZBQirxMvfgaWLkphYhubBQ" + window._cf_chl_opt.cOgUHash);cpo.onload = function() {history.replaceState(null, null, ogU);}}document.getElementsByTagName('head')[0].appendChild(cpo);}());</script></body></html>