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| Subject | Chinese | English |
| tech. | 一氧化二氮 | oxydum nitrosum |
| auto. | 一氧化二氮 | N₂O nitrous oxide |
| UN, chem. | 一氧化二氮 | dinitrogen monoxide |
| environ. | 一氧化二氮 | 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。) |
| agric. | 一氧化二氮 | laughing gas (N₂O) |
| UN, chem. | 一氧化二氮 | laughing gas |
| UN, chem. | 一氧化二氮 | nitrous oxide |
| food.ind. | 一氧化二氮 | dinitrogen oxyde |
| tech. | 一氧化二氮 | nitrogen monoxide |
| auto. | 发动机一氧化二氮喷射 | nitrous-oxide injection |
| auto. | 一氧化二氮喷射装置 | nitrous oxide injection system |
| ecol. | 一氧化二氮排放 | N₂O emission |
| avia. | 一氧化二氮气体系统 | nitrous-oxide system |
| water.res., ecol. | 一氧化二氮还原酶 | nitrous oxide reductase |
| expl. | 需要考量的是爆破可能产生的温室气体、包括二氧化碳、甲烷、可能还有一氧化二氮 | The likely GHGs from detonation that require consideration are CO₂, CH₄ and possibly N₂O |