retsikling metalla
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name of presentation klassifikatsiya loma i otxodov medi i alyuminiya ministerstvo visshego obrazovaniya nauki i innovatsiy tashkentskiy gosudarstvenniy texnicheskiy universitet imeni islama karimova almalikskiy filial fakultet «metallurgiya i ximicheskaya texnologiya» kafedra «metallurgiya» po predmetu: «retsikling metalla» vipolnil student gruppi 2 as-20 met sabirov sh.a. vvedenie tsvetnie metalli shiroko ispolzuyutsya vo mnogix otraslyax, osobenno v sferax, gde vajna stoykost materialov k vozdeystviyu agressivnix sred. eto bolshaya gruppa metallov i metallicheskix splavov, glavnim otlichiem kotorix yavlyaetsya otsutstvie v sostave jeleza. rassmotrim osnovnie kategorii tsvetnix metallov i osobennosti ix klassifikatsii po gost. k chislu tsvetnix otnosyatsya metalli, ne soderjashie jeleza,...
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