英语语法分析

To make a sapphire crystal, the basic material used is a salt cleansed from any foreign body (ammoniacal alum).

蓝宝石水晶玻璃的主要原料是一种经过洗涤后除去了所有异物的盐(氨明矾)。

A study for leaching of a low grade and difficult to separate copper ore was performed by using ammoniacal pressure leaching method.

用加压氨浸的方法，对某低品位难选离析铜矿进行了浸出研究。

Skim serum is an industrial effluent from rubber factories. It is of higher BOD and contains about 1% protein and 0.05-0.3% ammoniacal nitrogen, etc.

胶清废水系天然橡胶初加工时的一种工业废水，具有较高的生化需氧量(BOD)，其中约含有1%蛋白质，0.05 ~ 0.3%氨态氮等。