| 释义 |
polyvinyl nitrogen heterocycles
- 氮气dàn qì
nitrogen
- 乙烯聚合物的yǐ xī jù hé wù de
polyvinyl
- 氨基氮ān jī dàn
amino nitrogen; ammonia nitrogen
- 氮dàn
azote; nitrogen
- 固氮gù dàn
nitrogen fixation
- 铵态氮ǎn tài dàn
ammonium nitrogen
- 氮平衡dàn píng héng
nitrogen balance
- 聚醋酸乙烯jù cù suān yǐ xī
polyvinyl acetate
- 固氮作用gù dàn zuò yòng
nitrogen fixation
- 多乙酸乙烯酯duō yǐ suān yǐ xī zhǐ
polyvinyl acetate
- 氮化处理dàn huà chù lǐ
nitriding; nitrogen treatment
- 氮测定器dàn cè dìng qì
apparatus for nitrogen examination; nitrometer
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