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| laughing gas (N₂O) | |||
| N₂O nitrous oxide | |||
| nitrogen monoxide A colourless gas, soluble in water, ethanol and ether. It is formed in many reactions involving the reduction of nitric acid, but more convenient reactions for the preparation of reasonably pure NO are reactions of sodium nitrite, sulphuric acid, etc. (一种无色气体，易溶于水、乙醇和乙醚。它形成于一些硝酸还原反应中，但更方便的制备纯氧化氮反应的是亚硝酸钠、硫酸等反应。) | |||
| dinitrogen oxyde | |||
| nitrogen monoxide; oxydum nitrosum | |||
| dinitrogen monoxide; laughing gas; nitrous oxide | |||
| 一氧化二氮: 6 phrases in 5 subjects |
| Automobiles | 2 |
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| Explosives and Explosive Ordnance Disposal | 1 |
| Water resources | 1 |
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