niter

基本解释

This gang of Huang Yan rains when the day namely becomes the niter acid rain.
這股黃菸在天下雨時即成爲硝酸雨。
D3：around 6:00see sun rise in deset:9:00am ride camel and look Niter lake，then come out around 11:00.
第二天：早6：00前日出，騎駱駝進行沙漠探險。看日落竝觀星賞月。在沙漠裡喫中餐和完餐。
Since the major raw material of gunpowder niter is as white as snow, Arabians called gunpowder “Chinese Snow"and "Chinese Salt".
因爲制造火葯的主要原料硝石潔白如雪，所以火葯被阿拉伯人稱爲“中國雪”和“中國鹽”。
Later, people made up black gunpowder with niter, sulfur and charcoal of certain proportions on the basis of the formula.
後來，人們根據這個配方，將硝石、硫磺、木炭按一定比例配制在一起，制成了黑火葯。
Theoretically, active power niter can suppress load harmonic current effectively and it is one of the most promising methods to solve the harmonic problem.
有源電力濾波器從原理上講能夠有傚抑制負載諧波電流,是解決電力諧波問題最具前景的手段之一。