您要查找的是不是：
- 含氮芥子-N-氧化物nitrogen mustard-N-oxides
- 含氮azotic
- 一价阳离子RN:N（R是芳香的烃），存在于用于制含氮染料的盐中the univalent cation R-N:N- (where R is an aromatic hydrocarbon); found in salts that are used in manufacturing azo dyes
- 不含氮的nonnitrogenous
- 含氮的nitrogenous
- 含氮养料nitrogenous nutrient
- 不含氮树脂non-nitrogen resin
- 含氮碱nitrogenous base
- 不含氮nonnitrogenous
- 含氮率N content
- 使含氮nitrogenize
- 含氮键linkage containing nitrogen
- 含氮层nitrogenous layer
- 含氮量nitrogen content
- 一种含有由两个含氮杂环连成的一个CH=基，摄影中用作感光剂any of a class of dyes containing a -CH= group linking two nitrogen-containing heterocyclic rings; used as sensitizers in photography
- 含氮卟啉nitrogenous porphyrin
- 含氮基团nitrogen-containing group
- 含氮杂质nitrogen-containing impurity
- 含氮铸铁Nitrogenous cast iron
- 含氮树脂resinamines
