| 正面 | 5958.nitrogen 英 ['naɪtrədʒ(ə)n]美 ['naɪtrədʒən] ![]() ![]() ![]() ![]() |
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| 背面 | ![]() ![]() ![]() ![]() ![]() 释义: 1. 1787年由拉瓦锡和其他法国科学家提出,氮的英文名称nitrogen,是"硝石组成者“的意思。中国清末化学家启蒙者徐寿在第一次把氮译成中文时曾写成“淡气”,意思是说,它“冲淡”了空气中的氧气。元素名来源于希腊文,原意是“硝石”。n. [化学] 氮 例句: 1. The atmosphere consist of more than 70 % of nitrogen.大气中含有70%以上的氮气. nitrogen 氮气nitr-,硝,-gen,产生。因研究硝石化学性质时认识这种气体而得名。 nitrogen (n.)1794, from French nitrogène, coined 1790 by French chemist Jean Antoine Chaptal (1756-1832), from comb. form of Greek nitron "sodium carbonate" (see nitro-) + French gène "producing," from Greek -gen "giving birth to" (see -gen). The gas was identified in part by analysis of nitre. Earlier name (1772) was mephitic air, and Lavoisier called it azote (see azo-)." |
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