manganese black

The mineral form of black iron oxide, Fe 3 O 4 manganese and is an important ore of iron.

一种具有弱磁性的黑色矿物,见于变质岩和火成岩中,晶体状铁钛氧化物, 是钛的来源.

A kind of manganese series black phosphating technics at mid-temperature was studied.

研究了一种中温锰系黑色磷化工艺.

Determination of Iron, Manganese and Zinc in Black Rice Beer and Black Beer by FAAS

FAAS法测定黑米啤酒、黑啤酒中微量铁、锰、锌

Metallogenic material mainly derived from the remobilization and transportation of manganese in the black shale of the basin.

成矿物质主要来源于盆地内黑色页岩中锰的活化与转移，矿床具有水成&碎屑成岩成因的特点。

The manganese deposits occur in black shale-manganese carbonate microfacies.

锰矿主要产于盆地中心亚相的黑色页岩夹碳酸锰矿微相内。

The comprehensive utilization of manganese ore-studies on manganese black by preparation of mnso_4 and mnco_3

锰矿的综合利用&用软锰矿制备MnSO4和MnCO3的研究

Catalytic spectrophotometry determination of Trac manganese(ⅱ) using manganese(ⅱ) Eriochrome Black T hydrogen peroxide

催化光度法测定痕量锰（Ⅱ）的研究&过氧化氢-铬黑T体系

Then, 440 day-old healthy broilers were contacted with 2 × 2 factorial design to study the effect of inorganic boron and manganese anti black bone broiler copper poisoning.

得到乌骨鸡的铜中毒剂量后，采用二因子多水平随机化实验设计来研究日粮硼、锰对铜中毒乌骨鸡的影响。