Babban ilimin game da Grades

Babban ilimin game da Grades
Darayen ORE yana nufin abubuwan da suka dace da kayan aikin da suka dace a cikin na. Gabaɗaya ya bayyana a cikin adadin kuɗi (%). Saboda nau'ikan ma'adanai iri daban-daban, hanyoyin bayyana darajar ORE kuma sun sha bamban. Yawancin ters na ƙarfe, kamar ƙarfe, jan ƙarfe, suna haifar da, zinc da sauran ess, ana bayyana ta hanyar yawan adadin baƙin ciki; Dalibin wasu baƙin ƙarfe na ƙarfe an bayyana su ta hanyar kashi ɗaya na ɗutocin su, kamar wo3, V2O5, da sauransu; An bayyana darajan mafi yawan kayan masarufi da ba na ma'adinai ba na ma'adinai ko kashi ɗaya bisa aikin ma'adanai ko mahadi, kamar Mica, Potash, Alunite, da sauransu.; Matsayin ƙarfe mai daraja (kamar zinare, platinum) an bayyana shi a cikin G / t; matakin farko an bayyana a cikin MT / T (ko carat / ton, da aka yi rikodin a matsayin CT / t); Dalibin places an bayyana shi gaba daya a cikin grams a kowace santimita cashic ko kilogram a kowace mita na cubic.
Darajar amfani da ORE tana da alaƙa da sa. Ana iya raba komai cikin wadatar arziki da matalauta bisa ga aji. Misali, idan baƙin ƙarfe na yana da daraja sama da 50%, ana kiranta mai arziki ore, kuma idan sa ya kusan 30%, ana kiranta da talakawa ore. A karkashin wasu yanayi na fasaha da tattalin arziki, matakin masana'antu na ma'adinan minista yawanci ana kayyade, wato, mafi ƙarancin tsarin masana'antu. Dokokinsa suna da alaƙa da girman ajiya, nau'in ORE, Cikakken Amfani da Fasaha da Fasaha da Kasa ta kai 5% Kadai, da Ladun Zinare ta kai 1 zuwa 5 grams / ton.
Digiri na Masana'antu yana nufin fa'idodin tattalin arziki wanda ke da fa'idodin tattalin arziki (shin aƙalla da amfani) a cikin wani yanki da aka bayar, sinadarai, sarrafawa) a cikin tsari guda ɗaya (kamar hakowa ko maɓuɓɓugan ). Mafi ƙarancin matsakaicin abun ciki na bangaren. Ana amfani dashi don tantance daidaitawar tattalin arziƙi ko tattalin arziƙin tattalin arziƙi, shi ne, darajar kuɗi lokacin da darajar kuɗin ruwan da ake yi daidai yake da duk farashin shigarwar da baƙon abu ne. Matsayi na masana'antu yana canzawa koyaushe tare da ci gaban yanayin tattalin arziki da fasaha da kuma buƙatun. Misali, daga karni na 19 zuwa yanzu (2011), matakin masana'antu ma'adanan sun ragu daga 10% zuwa 0.3%, har ma da matakin masana'antu na wasu manyan-tsuntsaye bude na iya sauke zuwa 0. 2%. Bugu da kari, maki masana'antu suna da kyawawan halaye daban-daban don nau'ikan adibas na ma'adinai.