نتایج جستجو برای: age category
تعداد نتایج: 826949 فیلتر نتایج به سال:
bioaccumulation of heavy metals in the skulls of black-striped field mice (apodemusagrarius) was compared for two localities in serbia differing in the level of pollution. eight heavy metals: fe, mn, co, cd, zn, ni, pb and cu, were quantitatively analyzed by atomic absorption spectrophotometry.four of them (mn, cd, fe and ni) showed significantly higher concentrations at the polluted location t...
bioaccumulation of heavy metals in the skulls of black-striped field mice (apodemusagrarius) was compared for two localities in serbia differing in the level of pollution. eight heavy metals: fe, mn, co, cd, zn, ni, pb and cu, were quantitatively analyzed by atomic absorption spectrophotometry.four of them (mn, cd, fe and ni) showed significantly higher concentrations at the polluted location t...
abstract the present study deals with a comparison between reactive and pre-emptive focus-on-form in terms of application and efficiency. it was conducted in an intermediate english class in shahroud. 15 male learners participated in this research and their age ranged from 18 to 25. a course book, new interchange 3, and a complementary book were used. every session the learners gave lectures o...
Vliv relativnĂho vÄku (RAE) je fenomĂŠn, kterĂ˝ silnÄ ovlivĹuje sportovnĂ vĂ˝voj mlĂĄdeĹže. RAE odkazuje na neĂşmÄrnÄ vysokĂŠ procento sportovcĹŻ narozenĂ˝ch zaÄĂĄtku kalendĂĄĹnĂho (selekÄnĂho) roku. Ĺada studiĂ, zejmĂŠna v kolektivnĂch sportech, tuto skuteÄnost prokĂĄzala. V individuĂĄlnĂch jako napĹĂklad plavĂĄnĂ, vĹĄak stĂĄle chybĂ dostateÄnĂ˝ poÄet coĹž znemoĹžĹuje k...
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