氧化亚铁，是铁的氧化物之一。
答：氧化亚铁含铁质量分数比大。
有时候，他们会在混合物中加入氧化亚铁。
采用氧化亚铁硫杆菌从镍黄铁矿中浸出镍。
Thiobacillus ferrooxidans are used to leach Ni from nicopyrite.
对于磁选来说为什么磁铁矿的氧化亚铁含量越高就越好？
Three, for magnetic separation for the ferrous oxide content why magnetite taller jump over?
在知道中大家都在讨论氢氧化亚铁的颜色问题，我在教学中发现：纯氢氧化亚铁是白色的。
Everyone in the know in the discussion of the color of ferrous hydroxide, I found in teaching: purity of ferrous oxide is white.
所以，为使精炼渣系具有良好的发泡性能，渣中氧化亚铁含量应小于1％，最好小于0．5％。
In order to maintain the excellent foaming property the content of ferric oxide in the refining slag should be controlled under 1. 0%, and lower than 0. 5% much better.
综述了氧化亚铁硫杆菌诱变育种的方法以及诱变育种的研究现状，并对诱变育种过程中的一些问题进行了探讨。
The method of mutation breeding and the current research situation of Thiobacillus ferrous oxide are summarized, and some problems in the process of breeding are discussed.
便携式-垂直侧面皮带输送机配有液压升降机，横向进料，45度倾斜和横向排放，输送氧化亚铁达每小时25吨。
Portable - flow vertical sidewall belt conveyor with hydraulic lift , horizontal in-feed, 45 degree incline and horizontal discharge, conveying ferrous oxide at 25 tons per hour.
本文以氧化亚铁硫杆菌菌株yn - 3为材料，研究在黄铁矿、黄铜矿、磁黄铁矿和闪锌矿等矿物作用下，对YN - 3的生长特性及趋磁性产生的影响。
The growth rate of YN-3 was fastest when sphalerite was the source of energy, the next was pyrrhotite and chalcopyrite, YN-3 had the lowest growth rate under the effect of pyrite.
本文以氧化亚铁硫杆菌菌株yn - 3为材料，研究在黄铁矿、黄铜矿、磁黄铁矿和闪锌矿等矿物作用下，对YN - 3的生长特性及趋磁性产生的影响。
The growth rate of YN-3 was fastest when sphalerite was the source of energy, the next was pyrrhotite and chalcopyrite, YN-3 had the lowest growth rate under the effect of pyrite.
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