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="390"></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: 'managed',cRay: '9199744ddf95fd21',cH: 'dDF1r4g9fqs60FyDChiyKSgYWTQZrvffo3NUBM8R1NA-1740840496-1.2.1.1-R3r6XSi_3sF375_U0AMlnTcH9VMCD6aFF9iT38vaK3bzD7VdqO6M_N4k7wzfAHKG',cUPMDTk: "\/10000480.pdf?__cf_chl_tk=XQV.1ajH0H0SEkwegjEinvp9e6ULc3BE_mvXjodJ4wU-1740840496-1.0.1.1-jfCYjRg0OlRO08CZy1Y1Bai0y9qlaBdrH8aHNiK.9_k",cFPWv: 'b',cITimeS: '1740840496',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/10000480.pdf?__cf_chl_f_tk=XQV.1ajH0H0SEkwegjEinvp9e6ULc3BE_mvXjodJ4wU-1740840496-1.0.1.1-jfCYjRg0OlRO08CZy1Y1Bai0y9qlaBdrH8aHNiK.9_k",md: "_4H7YKW65Wj_.NNbgtdVD.aIIW1F4.JEN.2sJxh1n.4-1740840496-1.2.1.1-mqdEffFe445ZOnGxddtdQSS83Af5B9TN_BhsuBgKYlpZ6i.STW1g43QLPCh92ELAqNaYNzVhly4ZAE6yC2umM6xih.fiaz14xmJl4qbT2uSsiUxxvwy5U13yZPuWzPB5hYCR0J_uDWwnMKkt7vFg3NpwcIy4mRD3Gv7Lxa5GE_PdigyV6i9fgjpPHr6AE1K1r8pQXns1CkMTsWojuTXwVCORKVnrFX3UoIM89CzEKHJgTzmdHlsaPqHgEV6ZW1p3HNwAp0EdipiL0ZZX2KCQHKcmzAdV.FvJkztCr92Uigzo0N28wA_U80cIGvGUh5_njW3JvbFNUaevZ9MofmGb2FANcLVZEsc1pHYBkZQIEzM8PqRR6a3DlwngXw_9Xnf2ZrvevCt2I_Oibr6H4qcjA3nddFdqeuOdsKlVey5rdDjnlRT0miVyr.ik_csy8eyNFvnWMnJ5Ae2XcZnRVkEn7qNYGxNu4pECt0hwOFpUd8sA2Itvlaod2cfcG0OONDkJV83pPXYCrUjvsirj47msycEYHflCbtXvQK7oVNtzYro1QMj3xybxHUDoD57M49qMySXX7NqKWSOqjX3sH66DHF8I0YKLiFTqhXwL4_F_fYMRtVEwBNTKk.KVo8PqRmnhekPp9_r.9dwgaAkTTA8KbcUdI_8Cc0avIfvp5254yKXpydw3P1iTcYYE_CjU9EmNVW1xn6uzgCgAQE51bAxzqisNMK9wiAUDLcxiRf63GPo7_d48l4D0D0xFDSLudgKWHkk3XoMdywrTd_egaRG2xzw3pgLdIjjvVD856psYfnANBDF.HAdXy0fmdBg7LgoFQ.zAQgsokxqxd8aFN.B8YDtLO0l4pw2Tzh.tSfi7Xy4CX0UkQol6D.zdfvaGHpsXP_QJAlc7Akx.WE04rXfaUQBvz8VAUgmLdLxd19gevnq2qYfi56QONmRATDqSfbON_w8rqdghpsyuPC2escW7BiZPO1HSQ3nC.uerx0LQCcRqBy8XQ0LEOXWAu0xujfqQNEpCxJp.8mx9dD1mCwWw.2SkNLjHrt7qG4fcCouVpKbkoYNNSQm17KUlNozVvTMNRJDtzDnXjoijMerRFLuVkYJjGXq.vbcYzyWPNyR4V1VwAD5O0RoDVpJN2eS8acbFi_fUuOF4197qA5VRTblsobNBgD9imhv_a.TTe0a14n1CdkfNwNnMO117kCoM7sPtzAQLXzJJotmn4ZZeF28ggg",mdrd: "DSB8vZqf.Xduxjf29km49NbL58qiPM4e3jTVivZQguY-1740840496-1.2.1.1-IKLfbVHtDMjgtbduEayxgcMg4DmoOg_cJPhDyRg4n.AjSV5r3Tf_BLuz0ZiQ8mvIOIILLov0PDbsizLXk29n2WaBRtls.F.x8RH3IsO0SG1CWjfzNLzWCtjT2amHE2Mw.j0V6errJw9JpN_T49EEzHr7SPN2zVoRUo0KA5Qiz5QtsLGqxCIKb4mTGfI_fQPOJsFG0X7AZk9zHsN4hMoqdOJcKW3hH7OOCW.EWxQKLdOIeZ7jzKBfaIW6l6ZVLJdE6ewn5FLujrP.XZPaPL_mUJXxP629gruX8EO6qQGDyskVY0gv4EPLNfbcdkjcBnlU_XWqn_BbdnDQZEesyAx6GkKNhrvyBZbtqTttCvML0RNT8HfG3E4qw1X6jRouVCS_W9iCQaHGEnYPQ8lSZj_HMZP.STUbDsLeW6HY6xSfYKr_LEwr5zeXvHrD4JO1JvzbCNbadROAnSl4ZfRTrI2s1HVKqWzArmIbsYzVf1T6ZGgSNDd0eXL7Od3o_dLgMyvuDcCNGnzgDec6wEAMD7h65EFnMwxBebqHBVYY8_6l7gU0vEL1daWZoOEqiijHTR8qT9LQhG_2N9ZuudoGgnS3HLgR4IQfv2Wyh0dOrBS.6WXXSvsV_fPOENExYaX76JZFy111jQ25LeiR0otshfPV6oChPXAYoMgd.gjfhmhaBETMClq0bPQ6jwXL.UFsp9ngbAChq9MMkxr4zyXAAOzxd9AvrR64qMursTjQa6OOW517WZQpWKRdZMN2eJ5cR2YC7F5awJ8CgVpetR_w0fVmFG170amEAf21.MTJmqXfYhxYYfGDa3UlzIdDv3zbF3LY_Xg87Mjrzijv.cwbAbuuhRRXDXTfy3Hd.V9bifDm8sUsPyVjZFJ3air8Z1kqC3rZS8JSdzX1PkqMl_kYRlkRviorTvI0ElINi.c1fyC5CQQQHLtQeZ9yV6fKc9HkUGRaO901kUczvBwdrUkyGrcKQqcXCejBAVD1._p61YFdrjYivPRFnePutMhg_mcCrYwoF0S.7gXv6yL84eWwUn3KNL4cPMH13mnVmVlwNF1Tg0vhkRlTwOE61Vuc_Lq0bTalwJyX7wCOCeB5VPe5Ar20NDPN3CLx3wu4H3LqTjLzHsfyn7N2WZOU4GKxVnY2UNahNdVXYovkAT3081cdJpMhl1K1annlAE3QsAs2zon9FCPCuATINzx.99whfQSWi_pBJTWg9ZvUmJTMrBbH9WmGdgowY2LY4.VYEqnYu79ZLTSw.vleA.KHvc7isvLJsHo7_MSdp2SWNt1UmDw1nm6KSJU5Nv14M.fvEOWePYEPjIF4TZcnHng61HMSCspgNHvxWiisiqmJaJ4_sdJ0pS88gUXIFKUM.oHX9i2OAXLIstmge7t_L21ZKjD6JFccIhCEogsqdg2HSLnR7vHET8i0HA19cWKZZmTxeDhI_3do6raNaQtY6lGEHS6aaNpROIPeM3OwC.Lz470VCxj7RmIc528fiWIIrul_MAJ1IHszATWCwyXFPuapCEdZAz3Bs5hmSyxJi6CghkUGeBQ6NvCf3.vagVGsoJZ3FvCaGGWdkEHwirJKjVLkN6dJOgCYkBz5hf93p.JzC.JR3b_kFlpSIMmVk9fr_8dgjogYTKGvTqzU1jqhMHqj.ya1ZhDrmQovTR0Bcf_pqVcL7v14dlDguc05Jw0QXPNF31Fim5DH5im9FrZsBjKZYBhOgG34z8PJCkdoUD7KMvYmCr2Plfrce9t.PuUsGmthNhwrczji5OhMjhWBoyTDtlP__QzKwLPnY5JaePCzTRYucMDHOiNwpKBZJ0NakOLnH5QsY_1UHFl2g4eeQ6BHBHUgteCnai8oLZbqhFRdILiqbFXzNcEGm9lmd2GihqTG982ZNpbQrxN0a8KD0_eIcVKw_YHpJk4.fNV0JUVgJgE0FiG6slwBRVdfy.dGbTgTyLJv4rhdavMKUmE5EmHCCq2_1I8uAvtpYzkfyGGoWGwFVJRc25czhw"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=9199744ddf95fd21';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, "\/10000480.pdf?__cf_chl_rt_tk=XQV.1ajH0H0SEkwegjEinvp9e6ULc3BE_mvXjodJ4wU-1740840496-1.0.1.1-jfCYjRg0OlRO08CZy1Y1Bai0y9qlaBdrH8aHNiK.9_k" + window._cf_chl_opt.cOgUHash);cpo.onload = function() {history.replaceState(null, null, ogU);}}document.getElementsByTagName('head')[0].appendChild(cpo);}());</script></body></html>