英语语法分析

Hydrazinium hydroxide (N2H5OH), Zinc powder and so on are used for purification and separating all kinds of precious metals.

氢氧化肼(N2H5OH)，锌粉等用于提取纯度优质和分离各种贵重金属。

The current situation about high energy oxidizer of hydrazinium nitroformate(HNF) at abroad was introduced with 13 references.

介绍了近年来国外高能氧化剂硝仿肼的研究情况。