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,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIzMiIgaGVpZ2h0PSIzMiIgZmlsbD0ibm9uZSI+PHBhdGggZmlsbD0iI0IyMEYwMyIgZD0iTTE2IDNhMTMgMTMgMCAxIDAgMTMgMTNBMTMuMDE1IDEzLjAxNSAwIDAgMCAxNiAzbTAgMjRhMTEgMTEgMCAxIDEgMTEtMTEgMTEuMDEgMTEuMDEgMCAwIDEtMTEgMTEiLz48cGF0aCBmaWxsPSIjQjIwRjAzIiBkPSJNMTcuMDM4IDE4LjYxNUgxNC44N0wxNC41NjMgOS41aDIuNzgzem0tMS4wODQgMS40MjdxLjY2IDAgMS4wNTcuMzg4LjQwNy4zODkuNDA3Ljk5NCAwIC41OTYtLjQwNy45ODQtLjM5Ny4zOS0xLjA1Ny4zODktLjY1IDAtMS4wNTYtLjM4OS0uMzk4LS4zODktLjM5OC0uOTg0IDAtLjU5Ny4zOTgtLjk4NS40MDYtLjM5NyAxLjA1Ni0uMzk3Ii8+PC9zdmc+);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: '9136de083f365cde',cH: 'MHJm4fGflzagAXOvSJJUCmzBxtP98.EHRDwsUtNb3iE-1739806736-1.2.1.1-SQZKqr_D0WB6OGKJx3DJvMjtVP3fYIwVvMUStUkKsLCds3YVpLnyopaKsrdpdki9',cUPMDTk: "\/abstracts\/search?q=Zhen%20Wu&__cf_chl_tk=9WbrICGB7di4F.g_NViBvTIXj6fqW__tEgamTYlfD94-1739806736-1.0.1.1-ktJmO0ROmw2JZ3rTzIPCLlc_H5zpR4gFFudP7.gif1c",cFPWv: 'g',cITimeS: '1739806736',cTTimeMs: '1000',cMTimeMs: '120000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/abstracts\/search?q=Zhen%20Wu&__cf_chl_f_tk=9WbrICGB7di4F.g_NViBvTIXj6fqW__tEgamTYlfD94-1739806736-1.0.1.1-ktJmO0ROmw2JZ3rTzIPCLlc_H5zpR4gFFudP7.gif1c",md: "FnAONRtTLzJJ4hFavztVTbXzemm89VajPPpE1ZHuA94-1739806736-1.2.1.1-QTP1diG2ZPKmX1Mm6XYMCDAx5iqZjYDGHBYP4WomUhh0FmC0H.xlgm93qsTeJzDseUfUvge58ZnCvY605h8q3cxziY3fYUUW7w3fYpAreT1w0EZSyNrw.2ETNatJcqaxvsTZiXSisJnABI2.Qnjj7aRrcgoUZXYdBnwiMkJympqlXzZ8ErKkfJoXwU4jJlyDsz2IOTocAuX.zdm4ybNetIUa6EKRlXzsWXFO_kZexoP299fyyVWIA1Kva_GSCwQDlC8ipF_TtjBX1Dsv_A14AQ12shbtZkc_580V7e_xah9ah0ABNcblqNpYSOyjcMtXbg10MWJdIRDsa1NGBYX2mHWyfzsgx.pcUXloMWi4UYeoJMkctEDKiT8fi.3wZD5FFOUp4_SUoqarFp0evLrnbva8fqU2VlXBhrHgw4sPZ.skaAJMeZDmrRGrC929ul6h3XUtZor_yPE3fSzOic2azGukLLrAbPXR_jmXWro8FXiH.iZSOw2l1SVxOcqD5rwZBiH06bQLGZ0_U9h8B06zDSgAAfGNXiUHLjt_gDCV7JotBlEdwYvKlSfOeH7pad5p1TlRPjEty4OMd61pMV8aWz1500M7E6UDz6ste.JHHPDnGvV57upbDSJisWaya3eZjJjES9pl0xvqRKB2ULiHOq5WyxC7HCQW618Uv.HbAGwTKNMltHd2sznr4OstORph21Glvvaxgee8srDi3mHRNOJuVUy8GiL8ksL.bJUlFiQqVB9JuA_5kH0DBiWV3iYQS950T81uEzUuyDcI7cnBti0L6826cK82C9NtcFgJbEnHPKzWCLdasL0MpxWPwvNEoxhI6c4bgmrD_EOD9T6vCkaWayO6eebFWHKDf2QOZc65_trTUQRkb7hLggetlYYEco1Bqioyv4_s4IYSF.BVGqAo16UlRqCQJIic98qIDWjkxspq4IJV3zSagio.ysxpYxcw968m406rS5DacltoETd8zW4iPoi5PeOZ_h012kpIMvCeiexZwUVojc.nIy1F4ZsyUD5A2YxTys.Ja47YymBsA3hL0fp0GMD6TKoZBToKsrKkIZUJxfAjt.A6Tx.cMo2hPYjGJLNQEbRXGdQ0RpZk0PBwGB0fRXPLkLkNX8s5AeBufTtPTXQUEurpZZYvTBfPCc5pmmcJM9s.u7z4gjT0oidJIRkPXb9kGbUn_eg0SkgsgT.9wdbECxjsFDpODUMjc0nNzXkii6EE1Kr286ueoBvWTC9YjnjiyMzfJVs6VgoV74juNWFCVlr2O6vxAPWjw97oBY_y6TGkAb0.cTHE_jEOWpw0t_NJ5OOkBTnolf7A2sSWj2mGFCzjx_a3kwq7Vz.qDMMCmgHcqLprbCllhPrFVkqFTelFKbVQ0G32gYz2RfWDKWCoFE1usorNtk.BQl_D2EFz40ArK5SJhyXebtQ3hza8jFd9O5wffQ4ICbbZ_F0jVruqQAx0Cx3agprN9wtE.iSkwaDmh3IRt8MbnGfa5c5K16e.E21k5eFhYhZPEcwaNeAwqnZXZL2O2Ckb50TO5nqypFBhEN382PMt8bXPGTXRuqUTMNjNsTObEYFHONb6r3Q3sHRbkJj_76DbVHNi_w1JWEEwZePiuqvLgdNw_t67Z3Ug9cSvgBs2k1T7KoUTosZaEgofdLbmX3d7vj.3efhE4f5hjmAto6pTHBjF_0YSk18M3B936A3y9xjwq7xvVy6H6FCpAN39A1nVcTxkAGR768m_LE5X55ptF1ijeyoyndDBLDWecav5LNaQXrYfYc4wg8vbE93HDZLHDt9TdJkd1QGGKjbZFxTRZYSavsxyp7LgqgTyO3Vyy6C.FWqpdz7_fKcAcsTSFfEtmiC8Q0.DOE7kD3MHHviMnhJBirJjXSmr2WBQokr0eKyj3xbBmaBXpdbERawFppa3rk_DLL.RrvIv718Gnw",mdrd: "3nepmmtHdPB0lSDyWG3ftW2prHCthKFDGgAtvqajsTQ-1739806736-1.2.1.1-QAlu9FfKHJsff4XC4lx.2v.uNkDBzANQh_ePrMDUL2KzHsvOmSzo9gNgmaNxuaWhFxlcGJoVLCSuW6YpzMT5rh.mipFXAIRqhmKjC_DqjlRw.OFSUAmbRis89AMSd_DY4f9P.RWPHyJtxM4uoVI9ZSr6aaZGcZHZF6nf6MdzzJcvr_JNfnzGtKW3MZIuCbmNPZ0Kj11oMOLuLsedKuFOmXZU88YbL6uom3Bmf.Vt2u4Ovrza4yU_RnBquYeEbl8bK6_QmAfIix6FMPXBGO3FPf47RjXEPNTWC_dJXOXEIipBdp2VvD8xjSqrV8RLNsNww3_rO5jxdlxC0rOG3ZZaBILvQ4KoVzcOAYZOC4zObtdc6H_LMouZfk7l0kiUQhuhLVl8i9jz_s5O8XA92Ch4aqxCov6P35Vsa67rh6KHTcWVCys3XuwYqt2nggCbsLKc1rJtILnpGDr3hn11xcNK6641ItHboqK.n54.em4LCAwLZXP44Uf8yeZv2t26IwqHl2f64nlf4OAscjL91zTZ7pXvGjcIWOw_2mGW7kVk5zBxWb5pMBqcksduz0QBYHK2bGtuA98DZuK2gZbUpKDanrCzRv3Jremth0nzUwLQj9SKRgSP3AgrKEPNLduTS6cfg2M0cyVD4ldpYjiwhrvrphpImN6gcNuHoDRj7biwatS_IDBWv26wUSB81Lsy5mwFhU3Efbv8LuYuqyGNOSLGEdaTp8lzllJ5Mw0Sf8zWcWQXOGHaciwJxogs4H5f5D6btMVCt6WDg64TntmRTrun54IZR3a5_GlmPHgQW5TA0mQSE_RKoE2KIm2MgoQ85hEvA8BtFkqxjDQdVmZ.vQ5A0DIGZ8zUvrJU7dfHM5QEFDVcFzlLRM7f1FADJSbmQIJ3mn9HoYFG7yfpKmAfwVo9DJyfD0I_rkFvkbV0ET9M6_P1luX0XQ5hfVLxSwNQwxECcSsZjkIV.uqJp3Qb.O4ofj4FmIXAaf4g.CndWhbH9U6Ge6sNoRRHJikxnQQaIBx8T14h0IVCIwg0GxjK9b..hnFAtn4Ry.0skKS0Qy2Ewh_T7ISU47hqNKd9xT63BkBATR8mP8KjzKXjDLxRdRNieIIw16djMSID5eEMy.y7Vreo9n6g3BdJLY1WCfbQVK6a02Evesk1C2Ff90vskPnP7IeMOxi.bAz_v0ghpf.1QFt8MI046b5d5l8i1rLv8vNnHJylD2Fm4HZ6BFOgioOK.7ktoNXx2cln0ykLaIjZ_SSHstKVDmd_9mjNtyBz566xgbYyn_6g2zM8SMzZ0WSK5RgjWc5cvsr8E0vx4WgT3EzuFma3zMj5YBUjCMqbDPgR9GSlHbe7YbXoyoNca_Paz_tcJQyOiYQcn.YTLhTxDqx0BjfH4KOQ6X1FLdcZUmI.cHIjzm7TBUv3mFVLpBlFydfGF8XJyrLYZbLDTU3rwhGO_oWjq7reywpfmDmY9Y65UUshKuky7IPCElX_sjzpGQap_5vlV0EMhHFsm8QXxj.eJs6MzQO5FGqvTp5rn9GcoAk7I7l7hACQ05FccQlnOTCvv_Et7YxxO6GPsx29rqMkOX86opK6YxgUpIo8RggswiKv4kFh1j8QoaG7cEoWFML6NNqjMeIugaeLIl13vjkW5BjJDUx98iuY.3Pd7Q98Xn.dORbJxPnFAUiZftN6JehKSfEKEQqYbi1lb5BXtN5OWNDOSDa77ZjiyqookrKYLMuQJhOLctOTuJfy874Ua8on9oPdQQttWU25KrjEsvWzdAJBEaxw9gLtSEo9K3RR8PPpn1D6et2Klt1DeTU52AqoRZ2FlGiYqfcYC9z9JDlEihw5kaBo8soHBiR_de_3tbT6CbM_qXuhVwgJeqDZO2YE8asyHXO64GasQpEhCMlS6NAPcRA8akMw2Iy8Hg51juEasbVdUvsX6KOxrmCTgTtA6dRPmCygK772CN9fTsYyVeyxK2JRzRGpCR8f6oln"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=9136de083f365cde';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=Zhen%20Wu&__cf_chl_rt_tk=9WbrICGB7di4F.g_NViBvTIXj6fqW__tEgamTYlfD94-1739806736-1.0.1.1-ktJmO0ROmw2JZ3rTzIPCLlc_H5zpR4gFFudP7.gif1c" + window._cf_chl_opt.cOgUHash);cpo.onload = function() {history.replaceState(null, null, ogU);}}document.getElementsByTagName('head')[0].appendChild(cpo);}());</script></body></html>