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: "waset.org",cType: 'non-interactive',cRay: '913497b5ca359cbf',cH: 'isQo_y9ce7vxoGet8xhu6o5EXRkPOgu8QSbAisFAmhs-1739782884-1.2.1.1-G_5w6rvkCwGkeuFwisRlXfLRjE_kndSxy7BfgYAky8hvg3OItRcQ3Qln5XcTb9x2',cUPMDTk: "\/profile\/submissions\/papers\/create\/991\/9294?__cf_chl_tk=icUK3DmIc_Agb.4U0iQuT7GCFUOG4whqh_kd4zst1_U-1739782884-1.0.1.1-eK5Kjry0W1qSWcDLLoAZDuT4BEGWUFY7vNQFppSMCVk",cFPWv: 'b',cITimeS: '1739782884',cTTimeMs: '1000',cMTimeMs: '120000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/profile\/submissions\/papers\/create\/991\/9294?__cf_chl_f_tk=icUK3DmIc_Agb.4U0iQuT7GCFUOG4whqh_kd4zst1_U-1739782884-1.0.1.1-eK5Kjry0W1qSWcDLLoAZDuT4BEGWUFY7vNQFppSMCVk",md: "wxmkwptkdNgba2JzBb1LLkaDwJkkPn45qZXftOzDLm8-1739782884-1.2.1.1-9ycMYWUSOwlNgKFQTmi4SgDQCi8iSUVrHt95_hn9zfYL_1xDTcIIEui66dfgHpb6hbxBi20hATuDgvpwdO8cxHwtHUJaUzcRdj1rc6uVFQ__gtFLe7F85cuVD6hYz_nrx.IQCgdoQRsIm6uadATxTecCwdqb9Zs14UXdHD1kfDki_VJsYCYSLLIEavpZQK0fgZIJF.Ibfd3FRloro0fP2_3E0EnP8TFyG49VazdM79e482gvCv82.bTBrEyQCKMg6Aa2ytnT.arK8WwOJbpGMPgxKY80zD4T.vrOSmwODLaVbiB0l1Brib1lRjI3HKxxqfhuKrlfMzlV1AoFxDZvnO6Zvp4bslHpz_s_3A6.jgPJED8IgK7hl8aSqwJQxIv5Nr7dzsZHCtoNkhU63mSs_SnK_ArSJUQCHeQUp7tei9OlPSfWyITqm8ny.Q6myULlGNFkmI1gXeYHVLO8MSh4GjQUnPRTeFvDQJwfhnGObya_.xTOz9U_9afrczaG9gSTH11i9fltHXkjdKBjJRyxDBqKc_MbQebSw8YANo6kNWQdf9hYyyvh42jkHbQ2WYpGA.rL7PJa539ztbdfPqUvMSbfoC79ARbhiTuHMbYnAQniFgrGYQtFceJOPCr6X6ZyzCfp53ypeScQ9XoALywt4uJZuW4N6_Bic1Asl1Hnx2GK2dR5esOi4nSHZ2PGfwS3lRFucQnAXDOqJ6gxzuCjDqB4T7JoGNyo4B.aLFuZyRN1ivRTrgot2T50kKfG44dME.g_8v90H95ODtp1ZxedMGtQ_rcib7oT6PFq61ijnD7vUp8g4pTX0qsOMhYZPfe2no0emn672iW7C3HTw65V7jUGLBOKv0DnNXFlX0QvmrE5DmaAAzp5EqKay7Ybg5fBeQmM8ba6CcTvZPOtmC_PdzAHeu3NboXFuJaviFX17yrRxHUaCVi48xsz892uYI7w.GaX4LDxblSxCLaccrNHuBrH3aTqMgiEqA.WszvzgrAp4ScNCkqx_nAftKXC56b17i7tg.HWp2JAxSg54JD9Wk_sh1Zn7Mo9Zk064aXHcgin76zsLTkttlkJwlPsCz.o2wBR2TBBcL_gw3CavE7OQ_YDRdhIw5rQQ2u1ucetZ0NvJCfkBwsDuSaLIqP8sLOC82j5EMwjStoSFQtVcH_B2v2OzMI6kaDDHBuJXwRVxvHCfpmI5qq12skBFxRe1fw_yvZwfB1ZRmGQzpjXoYvwujw.gfG7kazA6w5Cf3JpBg_W9ZAFybgfYIsRwwWV9zA0c41cd6op2QejtGHcUDRfQLh_UXhu5MRFahC7OZpvLqo.eL0eUT4uIBgUiIMDWnkb4JnL0z6nCQqiwdXK_DB7YAbw9JG2vahWjjWEnF5Pwmdq.Od93M20AmodINRHVKwHLxgbPcf8W0dfoCC2k2XYUwaGpYzmChfgZMEMCw2DTwAKukA0kdNXzP9uNkD4Om2760EojW0zlOH6ZCQPBY99OxlsUZOysQQAlMlqmiKXz1cch0Mbo7XPrSpMKVsa5juTSB.YPI0AfhAb7JhpA5U.NPU6ZrCo_O4QoNGuUCMGsR4y.9LvMqTwt1Wul5ZMFR.7zpRrvdU_G1WgbPST6ExN8tjjwzgX2v5CbzwFV3wqTU711vCYKuSrQYEw_LO0LJ4wbXco663bNe4Gxssyitxj1oZmhkI7nI5Q1djEKo4dfwhUNbowJBa1RH2Jv9gA6WfMWfEIiCRnK6R6wPCdlZe04c4xDqO9Qzu44T5m.oWecQc7SA5DP1xqZ3U0LluS9CowRkwRRytkXywvYYJvqKEAKEPGAzbn4C5PJFnKxnDXCvyRInHjWnFJTLFOj760chhYLvrJuQGnoSIwv1kzK3W_OjE8diuP1WRFMWDB87P0P58nx0gwfjfXcYNkoFRDxHZZtosuIXBqHBh5ujNYNxDr1yK92X.XCVKftpytVByndwI",mdrd: "idOYRnTZhoEcGg.rfip1XiLBYVe0529jK9hv0G0Pxqo-1739782884-1.2.1.1-3VjfeuO7TqKUO.4ejRah1V.RzNX1yNVHG_j4YlJeWBTN.zeTUFRXd9cxpbEim99KNKqQD9AYFqJD3y0MQpdeEcn2TyQlk25rHkeI.7ztR.WQUWZWyfwE0eRrk3iOds.naw1BNCpdDzBX5bi8CKBAOuIqWUiQjUr8jijttDtmFrlhsvQwMzxVnd_3jD_j_UhRNeT3BP8zG36Wb09L4UQFACWH7rY3wnISa8ke0U0czBHhYjMQhFm8MPH80e6iqwYuSLMt1Zt3Q6SkZno3CvhirXDmtH4u5vIR6lqFHNCHfLUK6xlpyXA_849nOPOkfMLohlM80luv0movn3mYrl24qAMrxJ_pvegzQ6.8T9_P0GT2IkLGEmBfBoUQfT7iWp.6fKahm7PDzuRORGbuoAbruIJDuGTyiXCjTFCeZ7xZNev4yxkPIQHbUVZIOyHPv84m1L0_ISMoaEi1Rq7QGDoNRxLaTlxCwLmhx9_erTOORt55Zdnpxmo9YvYH4_RL07pn2niJHAr6jFE.vvsZcopPzdrkCMLdFycBxEVCnVX72K4JVxYgj12ts5sJAOre29UIMUJQIMoeB8gnb0VWCLpGCq6n3xa07iOe9gRLis4_q8jSrFY63nH90LHF64GbPqwp_vx0kiBEJ7INwYdOcWp6aBTbDYfiDZvDB1RSmYwi_yD8UQcM_lAbVHXnz7Aq4kzIrvP6V.YiuUYfI8GRPQEHL36J5G_VkdBzSxHvTIVRs2m0M_.uhH1D4Ivjo0sUwc7A6An88JczlhiMskjPyYRR5B7c56YXgcx3n1RXhGF3GvUhvu._Ulv6TM8xJOLqWseOZHpS7gYjjSj2YpkYbBDnyZDQGZXTUjked9n9Mk01DhTk7DRvk0GyCbLtOgaSd2_FKg18LmRSAL8XeAiAYRRh1cUBc3ZD3ciWbL0_gkfvaatI26NVwyshH18Oqg10_r7Mm4rDgqGDpzyVtnm9otNCXdy_2tUQOcqqFk63Vxs2_SRTPbFmj96HmHokG0Xc3_vb3QzNIM0OEY_EPBbXqXNc2J3WD57629G2eLlleMoyQWAWJQY_qH0L4Ix3Q6_35IhqbhXu7p88bq7aNuoZKUM1dfMIhMW9g0A41yQffzYz.zPTdgGjJbGdvWalNiKmAnfb9yvKTRARQSeZg1vjvPk_iBJX1rT.ik_kGVPjfAJ6kalsvDh.AOUvggw0pL_6wCjvCzn778qZrhvoWo9lLBb2fZTpH5DkBu5G4Dy00MQxxnXL9x4Qeb4aOnNA9dUqTJAVhB75D3fgCK4vm9bs7ongF.StZVYzYGmkqPHgUSz0GLEQ7WwBU2hr4k5VdRb64VtUwAgX8hOWLOQEVILAa.9FFcTUTDUou9cHrZYSoMpXOHYZEl.xB.x3vU2zRhKKIUc0bTiqTACqkkNsZ192GupLR3Rw1_l7Edx4AKFnnEtonSfKpxooL_i04WBa5FbuGyRY5z2.1FUlJ9c2qWrYezRuYLuozLRumkeCPVxEuinTfEfO_E.qS14eR9F9TPhn4eFvRtBI3b.mYScW2NW7JcMAUkXfug3mu.Vr8V1gypzZsRZpZytlGA.lQBfx1GwBq.o1lLW3ogyRhTk6qbMbECOzPFB9v99_sTkIea.bdPDb8dJwdopJbs3qNFJsNzzvAAbAWjiObReqyJ8ylhMqDT_._5nOJsa9yTY8bAuAhqBsli7HQpsZbGyKwlOBJe45LOwxtj5sRRggfqRj2Tl.1OOixpsK99J22wNMN3ttbD3_bFiqlDBhMiU3sch7m4S.FaafhfWDrpGJGqJxV8GZDytshqbsfge6qJe8yF5aii9DmI.7567Qte8u0ZQTAm4wBF_Lqn.6kRcb6NbBrN.ZkkPHemRrMh5niAhPlbQVHBMrdgJB57UgHTrwnYNIGqqim0W.20fYhr5ynPnLzU8TavGCww_tLGw8Q7k3eNok8llOCOY"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=913497b5ca359cbf';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, "\/profile\/submissions\/papers\/create\/991\/9294?__cf_chl_rt_tk=icUK3DmIc_Agb.4U0iQuT7GCFUOG4whqh_kd4zst1_U-1739782884-1.0.1.1-eK5Kjry0W1qSWcDLLoAZDuT4BEGWUFY7vNQFppSMCVk" + window._cf_chl_opt.cOgUHash);cpo.onload = function() {history.replaceState(null, null, ogU);}}document.getElementsByTagName('head')[0].appendChild(cpo);}());</script></body></html>