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VANADIY

vanadiumVANADIY (lot. Vanadium), V, elementi khimiyavii guruhi V jadvali Mendeleev; raqami at. 23, massai at. 50, 942. V.-ro s. 1801 olimi meksikoi A.M. del Rio dar tarkibi madani surb kashf namudaast. Himiki shvedi N.G. Sefstryom s. 1830 onro dar madani ohan yofta, ba sharafi olihai husn Vanadis V. nomid.
V.-ro asosan dar metallurgiyai siyoh istifoda mebarand. Hulahoi V. – dori ohan, titan, niobiy, alyuminiy va g.-ro dar sanoati aviatsiyavi va raketasozi kor mefarmoyand. V.-i metallii kholis dar energetikai atomi va istehsoli asbobhoi elektroni, payvasthoi V. dar sanoati khimiya va tib istifoda meshavand. Bisyor payvastho va khulahoi V. zahrnok meboshand. Hususan oksidho, namakho va khloridhoi V. ba organizm zarari kalon merasonand.
Bo maqsadi peshgirii zahroludi havoi korgohro az chang va dudi payvasthoi V. toza nigoh doshtan lozim ast. Korgaron boyad bo respirator va protivogazhoi doroi filtri aerozoli tamin karda shavand. Baroi muhofizati poy az kislotaho muza mepushand. Odamone, ki bo V. va payvasthoi on sarukor dorand, badi har 2 sol yak marotiba az nazorati tibbi meguzarand.

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