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1·Ferrous oxide, is one of iron oxide.

氧化亚铁，是铁的氧化物之一。

2·Sometimes they'd also add ferrous oxide to the mix.

有时候，他们会在混合物中加入氧化亚铁。

3·Answer: the ferrous oxide iron quality score than big.

答：氧化亚铁含铁质量分数比大。

4·Three, for magnetic separation for the ferrous oxide content why magnetite taller jump over?

对于磁选来说为什么磁铁矿的氧化亚铁含量越高就越好？

5·Earthenware made from clay containing a large amount of ferrous oxide, giving it a red color.

一种陶器，由含有大量的氧化铁的陶土制成，让它呈现红色。

6·The ferrous oxide and carbon make slag foaming, and zinc and lead enter the secondary dust after reduction.

压块加入后，压块中的铁和碳通过反应参与了泡沫渣的生成； 压块中的锌和铅被快速还原，进入二次粉尘。

7·Everyone in the know in the discussion of the color of ferrous hydroxide, I found in teaching: purity of ferrous oxide is white.

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。

8·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.

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。

9·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.

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。

10·The preparation methods of iron based products were discussed, such as ferrous or ferric salts, iron oxide pigments, magnetic particles and iron powders.

论述了硫铁矿烧渣湿法制备铁盐，铁氧化物颜料，铁基磁粉以及铁粉等铁系产品的原理，并对铁系产品的途径进行了分析。