c. 1600, from Latin nitrosus, from nitrum (see nitre). Originally "of nitre, pertaining to nitre;" more precise use in chemistry (designating a compound in which the nitrogen has a lower valence than the corresponding nitric compound) is from 1780s. Nitrous oxide attested from 1800.
实用例句
1. It has studied the action of hydrogen peroxide on nitrous acid.
它研究了过氧化氢对亚硝酸的作用.
来自辞典例句
2. Nitrous esters can react with alkyl peroxides to yield alkyl nitrates.
亚硝酸酯与过氧化烷基反应,得到烷基硝酸酯.
来自辞典例句
3. Nitrosophenols are formed very easily by the action of nitrous acid on phenols.
以亚硝酸作用于酚,很易制得亚硝基酚.
来自辞典例句
4. Under the influence of nitrous oxide , he found himself writing such impressively nonsensical propositions.
在笑气影响下, 他写下了这样惹人注意的无聊话.
来自辞典例句
5. Nitrous oxide comes from car exhausts and from chemical fertilizers.
