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Game da Rare Metal

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A cikin ƴan shekarun da suka gabata, muna yawan jin labarin "matsalar ƙarafa da ba kasafai ba" ko "rikicin karfe da ba kasafai ba". Kalmomin, “karfe da ba kasafai ba”, ba a fayyace ma’anar ilimi ba ne, kuma babu ijma’i kan wanne bangare ya shafi. Kwanan nan, ana amfani da kalmar sau da yawa don komawa ga abubuwan ƙarfe 47 da aka nuna a cikin hoto na 1, bisa ga ma'anar da aka saita akai-akai. Wani lokaci, ana kirga abubuwa 17 da ba kasafai ba a duniya a matsayin nau'i daya, kuma an kidaya jimillar su 31. Akwai jimillar abubuwa 89 da ake da su a duniyar halitta, sabili da haka, ana iya cewa fiye da rabin abubuwan karafa ne da ba kasafai ba. .
Abubuwan da suka haɗa da titanium, manganese, chromium, waɗanda ake samun su da yawa a cikin ɓawon ƙasa, ana ɗaukar su a matsayin ƙananan ƙarfe. Wannan shi ne saboda manganese da chromium sun kasance abubuwa masu mahimmanci ga duniyar masana'antu tun farkon zamaninsa, ana amfani da su azaman ƙari don haɓaka kaddarorin ƙarfe. Ana ɗaukar Titanium a matsayin “rare” saboda ƙarfe ne mai wahala don samar da shi yayin da ake buƙatar manyan fasaha don tace ma’adanai mai yawa a cikin nau’in titanium oxide. A daya bangaren kuma, daga yanayin tarihi, zinare da azurfa, wadanda suka wanzu tun zamanin da, ba a kiransu da karafa da ba kasafai ake kiransu ba. .

Game da Rare Metal