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仲胺；二级胺；第二胺
1、secondary───n.副手；代理人；adj.第二的；中等的；次要的；中级的
2、secondary consumer───次级消费者
3、amines ph───胺ph值
4、secondary school───n.中学；中等学校
5、secondary education───中等教育
6、secondary color───次生色；n.合成色，间色；二次色
7、amines mcq───胺类mcq
8、amines pdf───胺pdf
9、Amines───n.胺类；有机胺类（amine的复数）
1、concentrated in vacuo to give N-methyl secondary amines in high purity.───在真空浓缩，使N-甲基高纯度仲胺。
2、Due to secondary amines existed in some accelerants, which is the main source of nitrosamine, so it is considered to use a new type of accelerant.───由于某些促进剂中含有仲胺，这是亚硝胺的主要来源，因此人们正在考虑使用一类新的促进剂。
3、Reactions of Secondary Amines and HNO───仲胺与亚硝酸反应
4、cases, secondary amines can be nitrated directly with nitrating mixtures.───在某些复杂的情况下，仲胺能用混合硝化剂直接硝化。
5、isomeric alcohols , tertiary amines are less water soluble than their isomeric primary and secondary amines.───异构的醇，叔胺的水溶性比其异构的伯胺和仲胺小。
6、The Reactions of Trichloroacetate with Secondary Amines───三氯乙酸酯与二级胺反应的研究
7、This paper were introduced the production method and reaction mechanism of fatty primary and secondary amines, was studies also on optimum reaction condition.───本文叙述了脂肪伯胺和肿胺的生产方法及反应机理，研究了最佳反应条件。
8、The paper was introduction the N-Tallow-1,3-diaminopropane of secondary amines and production process and application.───本文介绍了N- 烷基-1，3- 丙撑二胺的反应原理、生产工艺及其应用。
1、The paper was introduction the N - Tallow - 1 , 3 - diaminopropane of secondary amines and production process and application.
2、Due to secondary amines existed in some accelerants, which is the main source of nitrosamine, so it is considered to use a new type of accelerant.
3、The various methods for the umpolung of carbonyl compounds (aldehydes and ketones), secondary amines and the most frequently used umpolung reagents are introduced.