物质的量分数
- 网络mole fraction;mole fraction of B;amount-of-substance fraction;amount of substance fraction
物质的量分数-
采用复合式精馏塔实现了萃取精馏的间歇操作，塔顶产品物质的量分数达95%以上。
Complex column is applied in batch extractive distillation , the purity of the top product is over 95 % .
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结果表明：随己内酯在反应物中物质的量分数的增加，共聚物中含有的均聚结构比例减小，共聚结构比例增大，且更趋向生成无规共聚物。
The results showed that with the increase of dosage of lactone in reaction , the copolymers were more easily to possess random structures .