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

湘潭锰矿锰炉水渣年产量约20万t,属碱性炉水渣,具有活性。

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

论述生产中碳锰摇炉预炼工艺和改进后摇炉加矿预炼工艺特点,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中氮分析方法。