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

湘潭锰矿的锰铁高炉水渣年量约20万t,属碱性高炉水渣,具有较高的活性。

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

中碳锰铁的原摇炉预炼工艺和改进后的摇炉加矿预炼工艺的特点,并进行对比。

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-氨磺酸滴定法测定氮化锰铁中氮的分析方法。