This paper presented the simultaneously determine the nitrate nitrogen and the nitrous nitrogen in drinking water by UV.

提出了紫外分光光度法同时测定生活饮用水中的硝酸盐氮和亚硝酸盐氮的含量。

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While nitrous oxide is a powerful greenhouse gas, when it's burned as rocket fuel, the only byproducts are hot oxygen and nitrogen.

虽然氧化氮是种温室效应气体，但当用作火箭燃料燃烧时，排出的副产品仅仅是热氧气和热氮气。

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There, in a process called denitrification, microbes convert the nitrogen into nitrous oxide (also called laughing gas) and an inert gas called dinitrogen.

在那里，经称为脱氮的过程，微生物把氮转化为一氧化二氮(又称笑气)和一种称为二氮的惰性气体。

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He's known for performing "cryosurgery"--a form of surgery that uses liquid nitrogen or nitrous oxide to freeze off cancerous tumors rather than cutting them out or amputating the host limb.

FORBES: Miracle Worker