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: '9133f85ccc583fb9',cH: '5FTOHrQhDFkYLF8aKjVL5S1J.eUY.36tjXvrLYxWWCQ-1739776357-1.2.1.1-3VECu4amVukbm0e_BgHaolO77J_jR9H5tm9TrrFxTpcH8OikADy8j7cxFyBNX9k8',cUPMDTk: "\/search?q=Yang%20Xiaozong&__cf_chl_tk=QP.y16Og5Qcn9kRrnWvetNs5HAlkhAC5BZbgARzMpwc-1739776357-1.0.1.1-ZEunghbnKOtrLwgh6.KmjMAlzYUgwbhVyVPyXC2e2ik",cFPWv: 'b',cITimeS: '1739776357',cTTimeMs: '1000',cMTimeMs: '120000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/search?q=Yang%20Xiaozong&__cf_chl_f_tk=QP.y16Og5Qcn9kRrnWvetNs5HAlkhAC5BZbgARzMpwc-1739776357-1.0.1.1-ZEunghbnKOtrLwgh6.KmjMAlzYUgwbhVyVPyXC2e2ik",md: "aodQAW2uTTMj_9uIq5rhkV6XiPD8fKXaRABOJAhAna4-1739776357-1.2.1.1-HQf6kE2c_fZgQi.htfHJBoqjZtirZw23BxUXOF461nD6_l3JFRni0e.ebVTh2ulaYIhjHYTFVxsdi1_sccb.v06Hoiq2WZ3xPCD4QsVXMoM4kjKB5hputntK05eqgC3imDbo4.14bbe949QaLMqEAwZuD3WFpgWuc9Q0PfhAA5NRX62RU9OImzQ0HGyOHonNknaO6lgqONPK5_vr7bExTqmNwLqGiqOJpkTIanwcVgsqkYNa7Jr9y8Zi.Qi7yt2felEb5hReFRTn8ejwyZppaqyO0MqTAIxvcw4tExmeuUVodJHWwzxS219amyQrO32NkY0sldyg9jN2n1iM5u2TLmCJl8FngdrUdxrMeE1ES6YdVnpkpkwsdpE_R_bpzBTTmRPq0kzzcodDUB8s9LJRe_UZAu8rbD.4ckVgYaFRVIgRg3ZLP6KeO8z0WL.JSjUcpsKj.hCN7UXKNHi1RFnpR8PwXkcY5FARWwYmYbhuuBVxJ1klnx0.hb02sHMokEDfsto.FzMwqZTHR5PzmUuRy_kPE17z5Lwy9Bpqv_O.dqUndjgJIMKFgJdW.3gNqOGN6XiTFz3ktOc5BvKilVjcTCaAqhX2Iobsaio8cBvgPKT.a1BXUWKpy8A.L4Td052jSElGlvZbKjf06FSX8cgo6hBmQguzqGBsEr.M8o2oLc87skzFRFSsdc4JD0APxqcEYkaA8WnJ6yOipclOnVCui.D3BUelZUWPyuUM..wKPLIQexCCOYNOTVdR9nhAebPlWGo71Ot.ZaFiSuw9tuU3GdkXs.Me.Oi5evRsYfZqiGIhZLhKeSIjinsEABoPSMBMUUqhCfXEWojbtiwpUzDOcdGwdL_RxRiTwTS9bOB0nJxCFe4HaG.VOqC0qGCpQzXphRhTXMN90elWT5TVQf3aMye_vM3Bu1IaEay93hScqlN3EcPvcChEEAixk48RTrsibKx3ddfHPfUsIswHeYbZGxSeIcSj9VhBnY1LQNIfdeMXxtwOmOChKVQZ1wLtDyA27XcPau3BNYhg3cop17_B47mKzqOnSPJLKj_OuE1pAORTxvAmPJj5brE4U037up7Jb6w0lBvfr7xWWUce8AYNQm3Ys7VgvVy4j.QTzAebxSYVIdsgDWvuPtT.w_ZoKyLFveB1QvqxFQeGEO2AZxPor7Lz7hJr3VmeM.prIONHG1_uBmJKqtwd6O.MUISWCwfivTmvApn2mOt1UxfSOG2Ra2xfstdjFRGcv7sw02h4ooj_YtHcwJzgry9VQxyVkgs7ZqOlb7ZxHyWRzPXptgQ7n8jZatr2YiZ.X7seAzWUUIfDEcEJT6ggrWFH0FMumkhlPtYGt5lWSxcZP6Fnan.PHu3e7yoxHm9PjOSuuTwTNHrUj7hRm0ozyLkQC31FAeRJ_CgBBgn4KwB0H4D9aNdbRxy0XxX77Ja5gX3n0C8PEu20LeRvxjeFB7b2Jr0FXA1GCm.Ws0CjpvB3MlE3faE3V9_vygPk48ALbvFbFkaufx_UyjN4QhlnkMOit29ZWGv9EdSa3DMRk99kjLLPxc36sa7Lowpb6fwm3OIMBIIqp97bsRY9kD4OFTDd4R5XR7psw14j3n0hkUVIp_e8ae_71kJkw4hV1x2drPqyLiyUg3dx9mGezkb5QAx0wE5xwY.D61blnmwUSBeb6KIHztPqTghpbuWQ4kPtkgW4i20I14AfNl4luD4ZdzopL3syW2qAib2pVauIpfSjqGx5NX5fakD60ARibsVcBartoAkU7sEJzASWrBYSO36KnfiTU8CXHbp6cXWbObM.sCBG5RjTM.XD5adz4.F3c9yLqQLtJh73yj_zpSQ3XcgGjdrOwT8C58yqdl6BtEUbpPamwR0McZ3eIUJvGp5Pz5BQqVZlfhKKTxiDPJGViKTml_7Opgt8",mdrd: "09foMc6yG0c615IctYDGWUwgqbzPjGY2O7i967PrRIg-1739776357-1.2.1.1-QGMwo2aZC0hVJzzjoZFjNSJK8BU_MjEblHpY8JmQD3QcqIkLZhww85GNVcIYLdOBzd4JPvxmdWs0aorA7Gm_pMLKchyvebZWIToyHvZCZqTOVA1gTsWIZ4aAYV_MdvoaT84znb1cd00FcVDjpsFYXri.fBOjmOYYTU07CWAf5NNhWYwIboAOeFWCshKMX9mcV5mVjqszdrVS9euAaRMaPZDykpFQ7OLu7FdI1jGYNh4AlU_EVRDrWS541lmqlHGWYCnqLhe0rOx9h05izFJpCYJBVsMTRdunkMmz5wSw2Ib5mFdzLBW8OjkFUbjIJQ9lUcU2vtMzBbqT4e.G3f.BOa9WdGv50zSSdHqDq6xIAxdIUiDBWZB337BY29Mg6dgLL2jOpNLuNMi54q2duD0L.uqCmcsxZk8MsdHnDGRcbjWhsnjAVUrGLr0CYzgW4dMBhEKI.g5iqTjRdlHn87qlkVh0g9jfUvUN4FHUXx1pJlcS1ioTYFANUIFMqLRxTmMZUdK.97Ccqm3kdneqzyQckas2kLMgCtHnNtr5RV4E.9C1GK888ONvG_S9yBkgZHPpouu6fCj2yr9G1HnzzS1TZGg5Wpzd2wKKqv2o7iey0myysk.zzhR73n6o28zyAL5wf.3PFWP8VTBxMBonMppQ34RnyNKPWkthdtCnV2OBjZwTdD4RFYMTK6XC.JjR8yoYJ5NFSskOIAoYSAkVDmzdgSv7X6PyUFbsPfyLIOlZ7RtwwnIPM.zhditTGGc2SRdY1uRuqmxLHUHdOx2FE3DC.y8Ubwp7BRfEaI5u28zZL3DhnkO6pL52Te2X_L8XjzSBVzj9YcLQ8dD19fEn7zaPjxRoMsTiuFzXTc9hu7FN0ww46X_uLTBY6mutQ_vrqSnxmRwKR473UkdHSSWv50RsXSMTNVS3dX_3PPU8ARTHxYUefF.lAho.Wda2o25yCX6waVMNxwtkpTmnRtBRbiPeFZ6xgkY8_1DVXjiOSCD3RGpevfKEfJm_ogXzUprmRBZQPEqZ94CJzQmZEokesPrlKdsGgUF.clK2t6qWvNz21yIgEpcgP0.OXlIaUB817SFld.HQLXArcvVujwUGFZha_dMnfiDV9jnBNUkw4RYrK3Xv6YY6gGIZw5tDd9qjIj8vANvT5hPIOuvTpXqt25Pock7DFs4VK6eX1EuFsao7zcRRElI8vIquqKgmM2aLP_l__hjGfJeQ8I4ftIixbfCsRd60T4qXgJ9jyI2_zY4jSH6HHLLBrYCe3d1p5BCKCLWQYOAMUb9doFVsC.0xBt6dk4qdZql55HJoM0U9Vb4Qb6A8pDJLVJUuuypDEEaGekAHeXF0Zh.twnRxr_nnMk1x2hS2ZODrk97PWjNuXhOWosUXDp.5_JAKrzQGrOmtkTsOlwg3Rl_z9en3Ri1c3c547xTXEn_09_h.vNp2e6gk51fonHVSvvtMZjVdafPuSyWDEKd6DAEI2ugjQGiGm1tGXCaA4535clLRWi1rCO3EvNxrZERwgSIPB97ZeAI2nvZUau0_E54xfkIv30L3WOPa7YsLyEtS6KE3z4sZU0NeUpZIqM7niEtqnJS7xIcu64cb37GwqQ9rmY69CtEzr0PTHbe3xpkNZjH2mRRxE6aMUUuv47gSRDKyyaQAWvCVACcT1NtDSPH124blOQrWJ8Z6qhFRdQBCi6QXP2GsiSVnW8vH_8iMhibteL_74uTUcpV4JEVKGTB4ynLTyyPGPYPpRkaTFcQrqDGFi884CWJmSoPoQX6p58F1JADqxZ6x8_B7CfRhpollyOKuQgnYAg0Gz5yj_1_t4rOvJURX7wjV.US.AnvWYop.2LpYtlOljoPQAzNbeZrxeW3LFt79fhnoc0niHiuXzqy6iPFr41R533pN.b7WlYaX9pZYL0izTiBzwEjS8Xku0A5LsW_K7aJFb_BbP8Yszi1Q25yC_Fgoa76xELIsBeAGDRHlwUojPMrj"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=9133f85ccc583fb9';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, "\/search?q=Yang%20Xiaozong&__cf_chl_rt_tk=QP.y16Og5Qcn9kRrnWvetNs5HAlkhAC5BZbgARzMpwc-1739776357-1.0.1.1-ZEunghbnKOtrLwgh6.KmjMAlzYUgwbhVyVPyXC2e2ik" + window._cf_chl_opt.cOgUHash);cpo.onload = function() {history.replaceState(null, null, ogU);}}document.getElementsByTagName('head')[0].appendChild(cpo);}());</script></body></html>