| 释义 |
quaternary nitrogen
- counterinsurgencyn. 镇压叛乱(暴动),反破坏 adj. 反游击战与破坏的
- counterintelligencen. 反情报；反间谍活动
- 氮气dàn qì
nitrogen
- 氨基氮ān jī dàn
amino nitrogen; ammonia nitrogen
- 氮dàn
azote; nitrogen
- 季碳原子jì tàn yuán zǐ
quaternary carbon atom
- 固氮gù dàn
nitrogen fixation
- 铵态氮ǎn tài dàn
ammonium nitrogen
- 氮平衡dàn píng héng
nitrogen balance
- 固氮作用gù dàn zuò yòng
nitrogen fixation
- 氮化处理dàn huà chù lǐ
nitriding; nitrogen treatment
- 氮测定器dàn cè dìng qì
apparatus for nitrogen examination; nitrometer
|