Gabaɗaya sani game da maki tama

Gabaɗaya sani game da maki tama
Matsayin ma'adinai yana nufin abun ciki na abubuwa masu amfani a cikin ma'adinan.Gabaɗaya ana bayyana shi cikin yawan adadin (%).Saboda nau'ikan ma'adanai daban-daban, hanyoyin bayyana ma'adinan ma'adinai ma sun bambanta.Yawancin ma'adinan ƙarfe, irin su baƙin ƙarfe, jan ƙarfe, gubar, zinc da sauran ma'adanai, ana bayyana su ta yawan adadin abubuwan da ke cikin ƙarfe;Matsayin wasu ƙarfe na ƙarfe yana bayyana ta yawan adadin oxides ɗin su, kamar WO3, V2O5, da sauransu;Matsayin mafi yawan albarkatun ma'adinai marasa ƙarfe suna bayyana ta yawan adadin ma'adanai masu amfani ko mahadi, irin su mica, asbestos, potash, alunite, da dai sauransu;Girman ƙarfe mai daraja (kamar zinari, platinum) gabaɗaya ana bayyana su a g/t; Matsayin tama na lu'u-lu'u na farko ana bayyana shi a cikin mt/t (ko carat/ton, rikodin kamar ct/t);Gabaɗaya ana bayyana darajar ma'adinin mai sanyawa a cikin gram a kowace centimita mai siffar sukari ko kilogiram a kowace mita mai siffar sukari.
Ƙimar aikace-aikacen tama yana da alaƙa ta kusa da darajar sa.Ana iya raba tama zuwa tama mai wadata da tama mara kyau gwargwadon daraja.Misali, idan karfe yana da maki sama da 50%, ana kiransa ma’adanin arziki, idan makin ya kai kusan kashi 30%, ana kiransa mara kyau.A ƙarƙashin wasu yanayi na fasaha da na tattalin arziki, ana ƙididdige darajar masana'antu na ma'adinan ma'adinai yawanci, wato, mafi ƙarancin darajar masana'antu.Dokokinsa suna da alaƙa da girman ajiya, nau'in tama, cikakken amfani, narke da fasaha na sarrafa kayan aiki, da sauransu. Misali, ana iya haƙa taman tagulla idan ya kai 5% ko ƙasa da haka, kuma zinare na jijiyoyi ya kai 1 zuwa 5 grams / ton.
Matsayin masana'antu yana nufin abubuwa masu amfani waɗanda ke da fa'idodin tattalin arziƙi (zai iya ba da garantin aƙalla biyan kuɗi daban-daban kamar hakar ma'adinai, sufuri, sarrafawa da amfani) a cikin wani yanki da aka ba da ajiyar ma'adinai guda ɗaya a cikin aiki ɗaya (kamar hakowa ko tara ruwa). ).Matsakaicin matsakaicin abun ciki na bangaren.Ana amfani da shi don tantance ƙimar da za a iya dawo da shi ta hanyar tattalin arziƙi ko daidaita tattalin arziƙin, wato, darajar lokacin da ƙimar kuɗin shiga na ma'adinan ma'adinai ya yi daidai da duk farashin shigarwa kuma ribar ma'adinai ba ta da sifili.Matsayin masana'antu yana canzawa koyaushe tare da haɓaka yanayin tattalin arziki da fasaha da matakin buƙata.Misali, daga karni na 19 zuwa yanzu (2011), yawan ma'adinan tagulla na masana'antu ya ragu daga kashi 10% zuwa 0.3%, har ma da darajar masana'antu na wasu manyan ma'adinan tagulla na bude-rami na iya raguwa zuwa kashi 0.2%.Bugu da ƙari, matakan masana'antu suna da ma'auni daban-daban don nau'o'in ma'adinai daban-daban.