Chromite is a crystalline mineral composed primarily of iron(II) oxide and chromium(III) oxide compounds. It can be represented by the chemical formula of FeCr 2 O 4.It is an oxide mineral belonging to the spinel group.The element magnesium can substitute for iron in variable amounts as it forms a solid solution with magnesiochromite (MgCr 2 O 4). A substitution of the element …
zimbabwe дахь хромит хүдэр боловсруулах. Hyperinflation in Zimbabwe - Wikipedia. Hyperinflation in Zimbabwe was a period of currency instability in Zimbabwe that began in the late 1990s shortly after the confiscation of private farms from landowners towards the end of Zimbabwean involvement in the Second Congo War.During the height of inflation from 2008 to …
Ингэснээр флотацийн булинга дахь агаарын хэмжээ ихсэнэ. 20. Өргөн хэрэглээ нь нарны тос,ОПСБ,Т- 66,МИБК,циклогексанол,э-1,ТЭБ,Д-3 юм. Нарны тос-тунгалаг шар өнгөтэй, торпений спирт (C10H17OH) ба Н.У.Т агууулсан. 1 тн хүдэрт 10-100гр хэрэглэнэ.Циклогексанолыг хар тугалга ялгахад хэрэглэнэ. Т-66 үр ашиг их, бага орцтой …