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: '9133fd1569b889b6',cH: 'tqPeBKZk4.yIsa9T6plNWlaCVIc..eVGTx0oWjZwRys-1739776551-1.2.1.1-Bsp8ixkq54H0tjwUxL2hrGB3N05D.jr026KJeqVOU0D878nM5eyTwYdHoaTkN.Yt',cUPMDTk: "\/abstracts\/search?q=russia&__cf_chl_tk=RAAjvvy3JmTfwn8UO6kHsxzVvyAk8rwHdFLAI7wAh2I-1739776551-1.0.1.1-pIHs4BkCGfiWafFpTwGVms6V7ragdHEh7NdQYaQd0cA",cFPWv: 'b',cITimeS: '1739776551',cTTimeMs: '1000',cMTimeMs: '120000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/abstracts\/search?q=russia&__cf_chl_f_tk=RAAjvvy3JmTfwn8UO6kHsxzVvyAk8rwHdFLAI7wAh2I-1739776551-1.0.1.1-pIHs4BkCGfiWafFpTwGVms6V7ragdHEh7NdQYaQd0cA",md: "AkPqeRpBwaK5_7GsNxQkXrzV_rIauMTdCvxZFNCYk4I-1739776551-1.2.1.1-Y_q67V5Vm_xq4NlXN5EXCXq1.nq_tNQFmj0ZNLQj4nHs2UsA4AxZJ7UnzJy3y3If50LaqhyUEtzs_Df.6j_Elhednt.3keRLH9suEsIlGx7qrcGMaMVjX1KNG5xFu3UEEyWUJTVpo7yGilfJGNBz1CvOmGtw_7vtghli_ZSM7Oize43rKXy0.5bQ21FI_XY2Njlni3d69NQ4z2jXndm5hT6qRSnWSrxZvnddffUaDTW7hCSp3a3mwTreEP3wwG2.i_t_hM0bnllwrssvEuH402BAyU50IIz.ybzUgJQ7zMT.U8M0IQfob_8tQtIrZm9YxirkU106ZkUU6gx6DNhdh13zmDIY34IiFtX.HiTEbImdlzUP6Tzv12qcXcyZwmby2qw2bziIfSbPMHINb8fIXkDMvTr7mqvXjgsykRwC0y1me28ZRueLCIQA5fIoOdcIX_i2ZcUaL1mSrN03XDcR_Mcyzs_19XI7mnoWY7nWbenKGE98t5ZTGb1qL_rwxEnr6iX66qZwsMGyQ30U3FMZThprTzyfzl6Un478QNosUw2Keb6kurvfo8jVGyZGW6ipFjeRfWrM_HiiGKYxDpl9P3aysGJHvNyUjd5m8NbBSt37QO8hVyIW_9WiLhDzX5cirV_gyW.6t0VCr_dj.AJZVRBxLpifop8s3446uZkNS48UzVh2fKvC_8SIzC.3kMfewgomsSJIPlG3mqD8A.WOOVBfKhkQZrT8k74pu8p_xm5y_Ft_QX5X82_t7qmGZv2P77LZMS_F8nriuxDr6GQ4mwbYQMtKfReiyvOg81y2Ux4MFTno8cGvaKqU3ey2W1l2J4MNxi8uNEhehQfR7aDu411U7W1gHEbDkeY6b51m3GIqIp3FRtQH6Z4p0Y.hJhXCbV8h0jPOQabhnO_WYE24EotrSOL4vS34g.KR3SHY2eOvvMez4U7fVE2SU3ynB3zMBjfYF_Si2Ig7IMlE2gx9nD70HbssODgv_NyG_RaBXQXO05PSsMKj2LPZ7WxsYeecPqCa8XwuQy9Q3gAJp41gxbqVgDSLjSLM9DSmwDhhSWOxdJQhNDh21qWEcRShOLkrKU8oPQMgod8ThmD7z_yAuc6L53u6RRiOnJ.aC5B9InNC4VRHmpq6FKzIbjiC8DWpZfxHKq00.nuZ1rDCFH2RaPUlC3rg_0U4IF849yck02doeWdKSfZPaUqjFonmRkH0FnHydSXXeLjgKNfDZYl5wKix6nTVgd4pePFn632JpHgSn62LG5WC2_yuopxxeVvLRMb7dx3OFOBx.BjHJ5bCsWg9.GE.InJj.1gJ4zC2KHyLKbBROGhFsi1PLbV.3sWCzkr2Z6DbfpAN7CLDSiL9u.l1L1f8BY1Xg4mgunF13af93Y9coay4nl3Ihomaszzp_OcmmxWwdyF4XVStQIOIYPpcQ_2alXILhPTXqy7EjD4Q7Nsy1q5640oh_Q2pu2jgUcnLoad1JoQ46i5qIE.gVLdhSHpU3aEVuSKTyBQOBSyfJOeUVDZrDBO0lUt6erxBMoKuTfkfjaZuNDRme4vKqazFd.NwIcKlPKI4U_e_IjD31POTb9FGQQWT2Bwt5hFkJD.F5RZvDugGypQkjwWW7l_OKeKPaMJaa_43tA73Re0NIOSVIALFe8sljUTn8Rc6zgwO474ALL5q3XZGFforDFrNYATeujiQ.jZNVsZCFPhJHtqVgahj.j1d9zeoHQyJTN6sf45B3tBhzEkBUYShgF2r5hlLcWlYuarmS9DYojTiBR6FBgyVsryU1MJS6rAIjvSe7o0.n2dDvOpMS9E9u_MaLVnPqsRv.L06dm3J.2d6KrjG9ywBkAMwaosy_p9vB67GDpcvB2EIiqqt5X7sOvGcudpXuTVIqj3bBvdA54wx7eyfGjI5DXzTuCP8IDCFhYaP96ge7jryxa7HCITxpQ",mdrd: "OE.k0gbk_5HtKMdOtQBNWAOht2Me5hs_sYx.D2ARjyo-1739776551-1.2.1.1-n9p_kms5Y.deqlQYQhKzhRFtczx8EeerpbUujQL7kAndpJMFMVwrOLFcNZhYXqqOZ4sP5GlIgHYov031No_awvPgFnqJSgOHn7o24vn9GDiagLsHKvaft6WEl8thCnYrzE20DDMkgta5XGtC1Fwe_oOQO_Zrk2Bhi5LOnM8LlmhijC_HmdTB6awKhu__4t.PV6CyGQEwx96pz41lfjTZH3hAU_LiNAl5EvQsxOa7E2SfTZJSL1dc0Raa9LS9suS2Ny4lxbnFBJZNcA13z1oQuUvI7kaYuC_L1j0CDMICE.w46fqwQ2DBBoVy.DpXurWPDpJsRiQHfrcf0fF.1HjyLTn4BfO9oJgr96KNh12W0LnK13j9ZcOPpptaDpGVPCwy_Y8PQ0FP4rMdtgmJ.bYK5ubY1d5wHtNl_kLo33WGtmU5nH8yBGA3EJungs213O8fiAsAVzP1WjQQUP1wzMCCcbkxb8VOquV2jHUwNZ2NUfDdDO_d39hIhv32IVkTrl8jDkExF7haCm76tpMiwNfgK4iKy8QHGU8uBvsKnhIajKkT7Z2SbYrSLmJsELHUGTj0b.Efphf7REvPsY.YDCZx1jEh15aOCF6G_HyobJpLfwq6Kr0ca1HrdOT6htO7PwmXKRHq1DAXk9CzEg5zhRzqgr6R29nHi6zu5CzvGR6g7YGjGAx4p6D6Fjk0G6XuqPAjydl9u2dyKMiQtlADgJ_QTgWcMLaAXoQPF36jo_hbdFmvfPwiml6a24phxBWUry3z87nrzMXJytql620t.EZ4eGG6hk8bqnOXWJANloqAzBBYnO6zxn5H3MLRPzXPRWUv6iPuAm.5cZ3UCWWPTIfbQ3c_ciIeaFcCZ.3vCV3O6VG7PRf8swrq1fJxApyLV2RZh6ffOwkUGQ_SnmuKizHzW2KVCfOb3EiLVQdEKwK30Cqm5EJdYe9lY_V7WLSPVrxb7HshFMOMf5HQRG5D3N62wh4MXTE5DT3F.4WYY3OKsW_AgQeya9s3W_GdrQbQkIdkWOzLfeUNddYSrbibfTo2sZQecb6njnR7jrqMkUA5hHNyoxBtcTN.PJXxVq5YPUtQWyCX30MF9BO3Eaa8p_p8uvkgiZTKVP0GaFur7VGe4XtgzOd26GfgEEIph_OXsi8ppFswA7JaSymGi_iWY2U8HlPciZB8EExhYaQnIsHn2mVntUHLTRSlNTLEUYRaz56foAijIv5_0F2.dUHp0TBiREinRB7w7E.pjeilgGQoLN4dKw0zJF_ZI.wQSiY0vXRDFjgtMHrX1jX2SJ5NrMT0LKkSytsplz1l6Uu6kOfTT8R.I3YM5XBcAOnyk9pdxtckNdJLYE3HzINTHq5Q18U5n0m.cSYpNowpPq35KW1IfDoraTuoBAqGM1vkWXJ.K92vmEiFkk8ds.OqxHNH7n.2hLRThHMfQZlg6OzJ9c3Efum60FmSpf9NoxQx_QlANWODuB2c0Ccra6LROGUqvbuTjX6jrR._cdb7ws6.14OCGR6sj1l3PsGM4mHTgzIbqgMkyZxpubLAunsiJOkv.MEfbRuI_Vmo.qtBJ_ln6Zm516jB8O5.Wng1Fu3Cq4GvST2DJ0T5yiABl6ux13jJpnzyZ36DjnqrYCzuCmKmh3wYc5qc_1EsSCnGAq4bohzpYN3Jp1DD56v0EJvdWeppmiACWtZWmypZczCdkZjYpWaMHN910EeqguUqw42YX0lKLTydFwCIaCU24KPMUc2FanqYAdXNEtdbaw9vFCGfcNBwbtUV9XvEf50IQeimBjZHlmUJV0tNHQqBQcJvlgLeyKj9ajAaqcLovNjm7ihbtRa4FgtaU5XCWeFqFib0I8Uq.V9BgjFXy2QhggtMKbzbhJBX7ZnLg8_iFJwjRObtQVJGvhUOX8tLJicuPkhw1MOezeiVMjdbTJPvQh5ipjvm4CamRCjSKolfawfwVmM39akfi.XaB6XGU8WptsbEApVx73fz"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=9133fd1569b889b6';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=russia&__cf_chl_rt_tk=RAAjvvy3JmTfwn8UO6kHsxzVvyAk8rwHdFLAI7wAh2I-1739776551-1.0.1.1-pIHs4BkCGfiWafFpTwGVms6V7ragdHEh7NdQYaQd0cA" + window._cf_chl_opt.cOgUHash);cpo.onload = function() {history.replaceState(null, null, ogU);}}document.getElementsByTagName('head')[0].appendChild(cpo);}());</script></body></html>