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: '913587db09b63dbc',cH: 'QL4xfkNs8vCcAAUf0LQ1Ltm6BihzfMidpLJmmsGo7aY-1739792721-1.2.1.1-QdMVuIRK.EUDWtztGUNSV5ZvG9TZpTy0GW9eRMPoLaAg_Ltpt0TE_gbGSPEEyeRY',cUPMDTk: "\/abstracts\/search?q=H.%20Mechakra&__cf_chl_tk=F4NKbFzlKG6dUfDkpzxFwA_Q1ciSGHBbO7..NU9PCSc-1739792721-1.0.1.1-irc9q08tnxxwA6TYQOQ9IIQPJ_MPlyzh1ZdHBAbS7sw",cFPWv: 'b',cITimeS: '1739792721',cTTimeMs: '1000',cMTimeMs: '120000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/abstracts\/search?q=H.%20Mechakra&__cf_chl_f_tk=F4NKbFzlKG6dUfDkpzxFwA_Q1ciSGHBbO7..NU9PCSc-1739792721-1.0.1.1-irc9q08tnxxwA6TYQOQ9IIQPJ_MPlyzh1ZdHBAbS7sw",md: "H1RvGpavv_fJOCBZW2WXUH7loTjQTBZtmOalAlX6oSk-1739792721-1.2.1.1-PKG4uy5yoKxrKl7vheLhLT6uoZuyv8An9vwRujkwmWgBbf6pZUI0HkIebcrAgm8VChIQ1nV.I5nDIEz7C8DmXQi5w9Gyee1nb2wBp2e9mT3b58j5UTcB47U0yiIjYy5.4Nby7uG5wX9MWVbGwbF.mwzqBtPhK5xNtToxjng2YigrJ0JTx3V3Ts0l0sLI1MrN6xCcYw4C63I7vTYs1nv_g10SYNJ1a6ZNRvNjkz_P8GFvq8gkepQwydBN1_8JXASzVyv1Uy0xid9H173D8I3qYjcV7dZVPrCZAIyt4HFUMzMgQkCkyHQMTbHgiEZwWm58ptp.1zeWI7sixDb53mL81w2MJfclAOsDIlZWWbQtu9bYRO0Sev96ScEm8JRvVrl.HV0g9Bb7j28fnlyMYL5mzWXp0V2TIaAf._JzX.yxzFsFoP8oHsjVymfaCXG3q70QaLxiVbpH1p7d31hzeg6S7L3efeZErYg9rFTKB1HEiem3fpbwwegc6dzWx25euivGzmJktDyWAxdS8ApPy4cJtmzlRGC.eM7i71lsWdrdksu1lODib8pYQAs1K2GVzO18H_9cQT0XmPQ6B37ufnGfO185XlofdoGg9ywTSz.DoAV_KjTBanLF0QghEyAeHOAfIPKSIfY9_idRuxZJ2JrROXv0p4kCFHayNqdaYVB45sxMCLW_5UlJIjR.Aj870376X5.TBgEQwh49Qe42sBR.y.b9hp20sjDmi_obmEH2XvZD5gZM.pTf7SAywh_asxwcofARmkGxOqIgTFOEbBcLsk7Hp6UCvBKIJrDk8N7opnnQcJGQV2mG6P.uXNGar_angqqINkQx1jk1JHFTurcl193iClxghusakwE_sKx25itZSIa0PekEBk19LO_LJGGKzAJjOJesegjZHFeacesPy_86Q2qEL9MY0tp3DXU_lsy1DilBfmO7mlr2.tDt1S7_zOGHguHRVIUxQ6pNqU27HZ3nVJ6cUZ2OEVqEF0sFEuDOld7KRu8O0MPsdf8IDOvkiNQVG51_pfJtNq2iCYXW8VWq4xW._exdI7QCZz8Kcgxtvhekz9QHk8GFlBS5UqMHBdoosB9l67M8q7Sv0RNRPLvQe0LpLiQkiJpQl5A1_NFIRQ.VyHarM5c9yyxtkJzv5ECxAyK4.apU081qcgXNQcvMiWcQz2Bkrb1CFPnLu1Pdz2nDy_liPGIzOyPwgFutb001v5okI5HcfVQbQXJfTNnBEyF5ES32W662ppqfWrooNvi_4VSGKoP711R.Dy5sCyvGKpm4thPEuoKaXqUgiyFi0mbyv3VvJ4JH.rAPU.ITRSDVZSfMlsVDxB9muEDyZYXfvNn1ffqoXNVfdgIfji3bVjROJ9Ljv.BERaqfq1pLE5gkDSosncPJ1wMJew5bACUOl1cf6KHW72Gl_LzWEe.hxglpQvZXi9H7jdl_n0n6ltjxcleFjDCCwXGLLi2TtPfU1vLGfUyb2yu58R1Ez7jmKQCHiaHK7ddm5AKpvEf5CESnsiwk2Gy1INT3pKpKbK1hsMgNTwWyzkjp6fDOOY.cpj8FSxdNaWBx.3QjZ2wjDwePvEwvjoBx_mLmrOsoYrFBykXBBF4SevNgAuyJW.hOvzSWJDK5ihweWDVh6vs7zrzGxMw9DVdkaNukNhLdhyQH.Jtoq0tgo0A9Auaalp9LBPwzZcP9PassGye2SzKwb7wJWTFFQU.HFf7ytjO2H.GuLTYKz7CHany_Gxlf8mCE.muo5asBNX4GHQcRLzVo5HEFvjOBgwJQZeMNkegMQQL8jyP8VOxLiXBi.CZ8CigvYoxqShCK7BzMpKGdc7NQ2eTsOCgS7tYs5RgRJ9smGokSs3pZA76LeQwQfGgg00oPoV65_M9Vd237Bpcynx3sJ4dKSArSQpYNZm7nAtTbQ3wWTj0nNYAe.R5Q952auFOK4ZauJw2kSis4KjCaRAI",mdrd: ".9XF1vtDJ1GdhhooCKXk12SzaLkoq0ggWnR1j.2GEz0-1739792721-1.2.1.1-Zr0rWkWZ8N0L2D7NU5qKIquT_23CsTqV5o9gTKO3ExaVdvS7vRn8xIqa2SdX4X1im7J05iBpsEmMwYum9ossr3Lt93ABJePoBSiYBSvHF3ztzTn9bM5wD1w.oAjO2ptrTsw.lWVWRljfyKG9CcUFfL6Okx.mgsGIlJusJzERTwhFiNe5WI8RCN6GD5BlvPzkJYiM4r7BceAdJH.txvvVdM44CG7arBmyNUydV1sodt41yIqUCg7JC1ncsKf_rdo73h8AamKkU1mi4G0zxRTORNqs1f6XGWt4MHLxKmdCMyw4Nsw5E7MKB9ZXkBGWSEwkh6EfEgUnJWamFU3SlgAiAXV5XRniU.J7Pjm.L11vL3E48BbijcEoinJ1FemYDg7i1uUfKfej8P00GFWVDERZxj4azMZoYn_xDH1fZVY2T7QxBsfWK6NJLWsIXPNWKMCUa6wGqymFqVFTDBy42Xsl5IbZ2ec3wW4Cto5SlsYM.rfD5HYZFHHWC6mkMZ_9UafyVVU98pOvCKotCV_UBn9ygNLSZqzMRJ9IxlCMCHkl477HP.QnmyEdlLapbauPZJCUV4YHRKRih_xIyhVc9dMStvczehU.i0cL2W8xgGMlA1dgna4W3RzzkNGWnHMZItgRPTn7lXB0BqylXFdxhTVROSbjCBmkjIVJ3BsqW12NX6yL0bLVANJQivxOfOYoprKUEkw5lG_hjPpHiOpzgzZU1YjwfZRY9CvC2c.DDLPhjCMTnv2em5StZmnw_AUiVJBWrs1iEUdV5Diwhn9NU8IV7em3hvlhn1BREZ9MWE5OgLYC0oyaev8zd9agd.BHfQJyQb_GT9jPFXUMviuDCuGfSZq2i3a76pC_.sAdkdTn7IvGV8WU9hTP_7bSNmqQR51zT0jS.TuS0qMARRtwR9TQbYjvrRojEjYhgc0Kvw.PYmQQpenqKaT7QKTjF5NhFo5vFWSqeIaoMJp0YwH9WUEDmJXTa3sU608RBSWcjxQuuA4U915DiFsSYrhWT03sO.8svcQzoKy3G3XgZVY1Zs6rlPpRfuSbX6gBYGmKtaDIrU.udsdPvKljcz5UONFTof4K7cWlcmFXi2e87amAK_t75mvE_o32TW3RMiLzdy_sdX0XomZWGTQv0xvL3A8wdlfr_eGmnZ6i5IsChTyloXYLC.aIYgdSFbnmikCeTxqtZQZplyIx26dTWd9e7TKMU7cKl24Zod4CUEb2.uUFQRiCriakppqIHJ2NzSJ9ZWxhCfEqz1r_vrNYNwlYjyVWWQ5FIYai3yQzZxDgyU6mb657EysyTtc70B1GjhKDiAcC_pZ25iEImnwKqUK8UZwEDRdiSpkNzVXMdbJuZCm5RXCvxvqUByGfNEYY9bz2EYiPAjQEvHee9iDL06ZTLYSZkQA4UtL5EyGRBnk7kzSryS552OuG9ejwb5y2wbOCsjnQbctXeaxM8bQMFptG.G1vVU90pu9H2J8aY7Y7QlwSwTEQcyOBmIh8lLcSkJkhrEsniI67glzU1_NbltAK5fhYa1DzUnyTGWiBjFtIbImd.HDaU0qeqSSVBnYvpO9YmC_QVGUgtYFUhf9loI04PXP7fkOcjJsyqbLx5YVf8ZYGeUGbHg9CdsePJOn9tkntoW.UsedV2jUpO2YQCLIkDSeDEtUQHUc1sItjjfWRrbzH73P6RhfB6oaczChFIOTrfWKgliORAs9dywrv06zjOB4jmyG.O4uc8jPUJ5wjjozEjpFifbUq7Y9FAsR__rOshDOh9HWidbHHZZC0fq6QvUS6sQNt4Ul1UkAN2T3_7TYsUW5Qrf_Uggg9.r2w8bDnnpsXNwDlj7uGkXS6GK_dsWUL01BuTuMsk4Bt5PNbFQfxoK8ZbVyiske95K77n_sz1pebQDSVkikR19estmmpQ3WmmoPfwxdwXAuqCHcH7N.vvUhMb1tx81F.967.nttpwXyeTnIILYR9UHhvClRODWccxydvpnhx54hpVLrRwm5FBEInCw"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=913587db09b63dbc';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=H.%20Mechakra&__cf_chl_rt_tk=F4NKbFzlKG6dUfDkpzxFwA_Q1ciSGHBbO7..NU9PCSc-1739792721-1.0.1.1-irc9q08tnxxwA6TYQOQ9IIQPJ_MPlyzh1ZdHBAbS7sw" + window._cf_chl_opt.cOgUHash);cpo.onload = function() {history.replaceState(null, null, ogU);}}document.getElementsByTagName('head')[0].appendChild(cpo);}());</script></body></html>