n.硝酸钾；硝酸钠

=niter(美).

They used lumps of nitre, a sodium compound from the ship. 他们使用了船上的硝石块-钠的一种化合物。

To relieve the shortage of salt, people have begun to extract it from nitre. 他们为了解决食盐的缺乏，进行了硝盐的制造。

To relieve the shortage of salt,people have begun to extract it from nitre. 他们为了解决食盐的缺乏，进行了硝盐的制造。

"Pass your hand," I said, "over the wall ; you cannot help feeling the nitre. 伸出手来放在墙壁上，那些硝石，确实很潮湿的吧。

Main Use: As a strong solution, it, a substitute of the general solvent, can dissolve nitrocotton, nitre base priming paint quickly. 主要用途：混合酯是一种极度强溶液剂，能快速溶解硝化棉，硝基底漆，配制天那水，替代一般溶剂。

A new method was studied for the determination of Nickel in Lead ingot in nitre acid after the main part were separated by Lead Sulphate. 试验采用硫酸铅沉淀分离主体后,在硝酸介质中测定微量镍。