n.硝酸鉀(硝酸鈉)

This gang of Huang Yan rains when the day namely becomes the niter acid rain. 這股黃煙在天下雨時即成為硝酸雨。

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(jìn)行沙漠探險。看日落并觀星賞月。在沙漠里吃中餐和完餐。

Later, people made up black gunpowder with niter, sulfur and charcoal of certain proportions on the basis of the formula. 后來，人們根據(jù)這個配方，將硝石、硫磺、木炭按一定比例配制在一起，制成了黑火藥。

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效抑制負(fù)載諧波電流,是解決電力諧波問題最具前景的手段之一。

The nitric acid three plunger pump seal box structural design is unreasonable,creates seals easily to expire,seriously affected and restricted the straight niter instrallation production. 硝酸三柱泵密封結(jié)構(gòu)設(shè)計不合理,造成密封易失效,嚴(yán)重地影響和制約了直硝裝置濃硝酸的生產(chǎn)。

n.點火器；觸發(fā)器；引燃裝置

監(jiān)護(hù)儀, 檢測儀(透)