A method for determination of nitrogen in N-MnFe by titrimetry with amidosulfonic acid after alkaline distillating separation has been studied in this paper.

本文研究强碱蒸馏分离-氨磺酸滴定法测定铁中的分析方法。

The paper expounds and contrasts improved MC FeMn presmelting process adding ore in rocking furnace with original process .

论述生产中碳铁的原摇炉艺和改进后的摇炉加矿艺的特点,并进行对比。

The annual output of water granulated slag produced from ferromanganese blastfurnace in xiangtan manganese mine is 0.2Mt.

湘潭矿的铁高炉水渣年产量约20万t,属碱性高炉水渣,具有较高的活性。