CINXE.COM
Just a moment...
<!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: '9134f6c4383efd02',cH: 'U1dG3PoOEbUUfFAkKurVHzc7B7WylU8hYLF7yViZXTI-1739786778-1.2.1.1-AQ5VjrruFGhEXYAIW8w12ec75gzh6O3NoNi.uN3ELnzG3FtIWIxb7qAIW6wPxX1K',cUPMDTk: "\/abstracts\/search?q=Kun%20Chen&__cf_chl_tk=7pN2OYUBr4jVma.XWw86Zfxl4P8ulYAgnas3rMLmHqU-1739786778-1.0.1.1-rv7ACrWR_I86cqCcdKX9.O2PlYCPaXlAjpNVJUKbQGQ",cFPWv: 'b',cITimeS: '1739786778',cTTimeMs: '1000',cMTimeMs: '120000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/abstracts\/search?q=Kun%20Chen&__cf_chl_f_tk=7pN2OYUBr4jVma.XWw86Zfxl4P8ulYAgnas3rMLmHqU-1739786778-1.0.1.1-rv7ACrWR_I86cqCcdKX9.O2PlYCPaXlAjpNVJUKbQGQ",md: "83VwEmcem5Kv9h48BTeKR4VQoHfXfF069P3O0WSPUfQ-1739786778-1.2.1.1-ifOh5_Xxp84RdxasDVr857llcXyG8RJaXthTpxMPISfIAP3mDBKzhkYzHtidvxvtTjOWvpmPxY7xvw8uYs1pBdx5s5PbBLQ8Ujksoy23MjM6X_Ctw5qtBqRzpYupEzInyBvBOhxo4Zi5IAuI8UyJbVnynajYooYIaLeTrB.SYfgHEN5TCnwPjZQItWG4K3B8YPPs7Dic_edm_FkqZ4za0TvX2gMAexvPhqn2DtRXez5UOFwsTd7TrWum5B7ZYWviHORIsfCLMaz9EwwVEHbzvn7FTiGgAPeVfIFOQQXFa.4JrTZrwnKVzqdHa8m_Ms1OiI3z1awe_CNtc8iXPKjEgXnWUUqPl0aImg57AuCGoVZ__EeyLq_3qjD2NGH9aQhudL7aHuSbRmNvL56Mwu0JhTvoWaovic0SA8e0TpwhUsPRT.7wOA8imOWQwfI1bfELiSuCcSUPuB3ek7X_NFVEMz2NM29p2Bj.IY3VG2McOeCrB0p4leKzCjXX5j6Twh6kikaXpl05bPifnIbcwNy3wS6zaXGuMAbLSJYz7sbaM59p0OJIbLXrajx_NwqkGbvoBTK4JII5idhzoYF3wSTntzvaxpok4xMmx5Ys_J.j0i0e_41DNsPveq.dYYliZRYq7U56dskaRKOxkumAtMY_CT20fwb4B2G.kxnr.ce5V2Gi2sqkf4fV9dpq3gUTaQo44CUPeCBheNBZE9cU4pk7M2qlNZRuQsOiz1g7uz0KIZNYrd86vEnbi6JA.R_n0tEXhiMVhfEe5uAyFws3CQBZpLt1XAdwb12bjQZekgDsoS__LDCblazNScQgXrqTIbfTAmdrGQMWayYp1jgc55EUHbmqVY5zzNgXT8P5mdAiflm4Gt3XhEVZMJ9jrpXvDabS0FX7itHMCM7Twv5v3CdLC8tbcBABTfDg24d1.kqEl6tJVnKL8NxRmUV89SJuBdqtWn9lRVEZAx7ney9jspy5GVZ394g5bJCRWXblV3sxg9yzmgGbtrp_v73K2PksyuqoNMrDXo3co9TLI60gF6wB1H.iCL_c1m.D1bCxJhI9RYkKwvlJVySDy4Ei.HUcYwTnmYHy0CXRbG5MlqXB5ThD9okwU1YIfmAvTdalIzPjxY518VzccYN3WkpCgwXJnu7rejitZcWgNJtVI0zSCCGFPQsWPziwO.7hUbAeWMR8G02wduS.XMO71ZnpvJLS8tjJuq3N6HcSE45uRL.ubzCJaHHWhogVVIqdvgSxGxxKltgicFN.UnLkDe5Yw11dkeNyCNhD02yQTTsBTY0u01wP94LQJzPtlHD24tDRhWW88wAunU2XeTscrboQm4y3_brgTnROOtuJtKbwyl2o4Vc9zlbBHHoVYaSzqyMIEiVbhD6LnA_66W9sVejYuqetoZZL3aXwSLrzDnHBg6PZpTk3O_vduXVixbMJy2eY5a5uvGeGheIQJsX3kqJwmVoEtW5vCNExHEXSeCHaYFitWnFo.S7JO6DFZ7O_rnX3_iq.F8eD7pf5pR2yqf96LHWKiYZy4NCU3gPaVG5dYG8V8JxLISKTkkPNFpU5TlEm3yQVUjuvERKlCsgECQJpRDAFpQBvSGJPWjSW_ASaMLihK2XXJCupDb9P4mmYhJSAQKPMztdJYnuxb2sSn4Wx7S6dwptX8GFXxwX_0MLRP3D1LKV22EH6Cn.nvPWNWmMAYwFEaAGa9v_2U9jWbah8tllU857y9U4wBVKUG7G88owcTgNroeeURh8J_oAPx8PMB66xNnHU1QIItU5NWKutCmbsRgitxGbTEVYGb7dSacvvGBE0mLRCON538E6KNJP66bkq0MQyADVsRfgqNLVAKnrUSxqU5.kHfmSYbV0mAEHZm4zpB3uRa9Fw9u3eTU4BbT.1wx_lDOlYSZM3zUAti.N9b.onsYxPLK3x4pcjjkwEWXt5Rw",mdrd: "7apExAsJU0q7N0ZR4FGYFUthJclW5DOSJPOgDNEL7JM-1739786778-1.2.1.1-ZWeO_KSmi61a3MWetNuG9f4hVKaUMat5FayweTO34hU18u1Ka7XMWSOJMneWtUVTuKhRIGe9ngbhAoXfouOSb0FdWzoyW8.1vfKeKqs1cKVBeTZqWtunwZrylfFBMtx4BH1wgPWtjE3W5JK4XQCjAYNTE5hVrXheoL1MJyIaMH6atStX5JECNXzdAsma1vhm4ZDLrQuldaGj1mi54ZYg8rpeOXpObIpuHbk.tB6GyHWHP2v_kuOiMCqodMdC_XjVOdS3kU694dxRPkOB9pw5msk1tRxjmhs.3Ax9OtJTp2Y7LhOT2TZQJ3JaBDhKCNDstXqTqNf2Fvy.8bmS3ff5DPK8rvLnJChvYOFCEIsduJ_3Q1qaDOg2buMlfxhCnIj234pYflMpHPnqeA0.ijQ2s6zNHm7F9hQ3UuCMovHenGfr0B7wPpe5RsgeYFr56E.xWwHB4c7yrL.aBMwb1qMpWAwcM4YUB7SgFwj8WyeaLZrCuEAJpUELJsCaT2SKhqc4WmqAF8nnxwPgD5w4EHp2r.oCr8XQckHPP_IPSB91Y3qYvHL_hDT.Z.AL9MN75V.goZ5ZAyGln.I1v.2ZULp.6vuggk1e0FyUPDPc9dfPF52V4_UO05I.C3EUZaur4bGT96t7Z84UsnB6wyL.rmOmOmRRpnjHRcNR4HtfeUVKWNt927r6a4_Om9jttOmobHOOueaBaXLzGd00K1sE3xcxd.I20NPL0U2GbqWiS2ueAxKcywN0JQdPjFhibNqwUkNJLaGOtqkMl9AXPwUPZoe3P1Yz2GQk.owN.TAfHXELh8waOkiX2n8ey1p4kojC2Gp_28s6dLZ2NaRhg2P.UfxEEkqrWXQ3m07v6rLlzwJuaL7wQ7s0USDZ9IH57xR_oUQtPFQ64RBH6tTtVGNtTOi_D4o8x1yM3Lp17UQrLWeoxPK4B0pKvGbsKsgXAtuWBrdUKJQT7aXCLN1wZdSFO47kqK4V0mPDevHsK7Et0fxVL6UYHOetsuO.wnUvQblI60w1envncyi.CyP65xT858P3zHP51UNrUBSrFDzDfuEODdyM7wWwNE9EWB9JwhAfmn6ZkBMVFqiXS1OatcaOyTGUD9a2d9vQv_Uq4MnkmA_aZm.7f27lU3n4QiFvCNWX513dLlKZJBLdYWgf6nzOHDOYHpF3EHjk.AwIREO8n0rJOJgMPa6sQDuC4qQFBwJemcDfsFbCUknUshfnPE9ORrDmT_8Z7k9PJ7KsjrHdFW.Me1c.pDwQsTW.avtR3MMG55MKthBSNLQ3N.Dr0auA.vKOEy5_IqQKup83syVjMCuZ_fhIDMbDG4M5wVhlyPfzbp8.7dhitB5dZIMevOOHJ3Jj7eqrbS6VOXeCght2YC7gr7vVsih_fEnIk_sWFc7FDcdfuqjjizfidvX.qYIvrorAZVlqqpwN6bUy9sMqkotdCYlgPz1hzv7ShXESp12Wjn3jRoRSqVq.JfZV7sP4OqjA.NdX_1UIc0mIlIfR4XP82T0WY08BQ.dqHhrg2tBC13.DHooIw5wUj51wT_6Hjn0gVPoKX3rUWX_Ld.EGu7_c_qLFeK0Htqy6d3MK84Wi0Tq4d6cTmogkOMd.2XghOZYqNCCxY_ViFUJUIWnTUNk72Qj9..YpKQHGZ3i0QMcfTaMxloQ.JalVTvJucFCSm9JBz3L62VyqpmgZapHnEAYp7shJCIsGnCj.jJx36iUdISbJ_v5gSU3hslsDhQbxFlpwheX4rRDrXZfQVFUI2H84bzbTqIq.TXrjpc73zC5TM0.I8O8jKKv1z50KMdoG4Hx_m_O6AmSWZeHcuWaw7GZLUBmOHiD8TT3ZG5uE5yE8WLF3iqarBvD99U3ut_cpD9Vj1toBkXZJ4Ce5J_PRjlhpzgC_zd.dyXQaKLBXwFEcsSCJ4kHTt1l9oHMw9O33gCs5I_4_0imvERyBQ86TLY0DOko8b1T5LnnwqUtkVb.RU.rY"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=9134f6c4383efd02';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=Kun%20Chen&__cf_chl_rt_tk=7pN2OYUBr4jVma.XWw86Zfxl4P8ulYAgnas3rMLmHqU-1739786778-1.0.1.1-rv7ACrWR_I86cqCcdKX9.O2PlYCPaXlAjpNVJUKbQGQ" + window._cf_chl_opt.cOgUHash);cpo.onload = function() {history.replaceState(null, null, ogU);}}document.getElementsByTagName('head')[0].appendChild(cpo);}());</script></body></html>