Azone is synthesized with caprolactam and 1 - bromododecane by phase transfer catalysis, the yield is > 70 %.以己内酰胺、澳代十二烷为原抖,采用相转移催化法合成氮酮, 收率达到70%以上.A wide | bore capillary was employed to determine caprolactam content.利用...
A wide | bore capillary was employed to determine caprolactam content.利用大口径柱测试己内酰胺生产中己内酰胺含量.This preparation uses dialkyl imidazole salt, alkyl pyridine salt or caprolactam and fatty acid as reactant.该方法使用带有二烷基咪唑盐 、 烷基吡啶...
Traditional law enforcement tends to lay stress on unilateral, coercive administrative methods.传统的行政执法比较强调通过采取单方的 、 强制的行政管理措施来达到行政管理目的.Can coercive measures for population control ever be ethically justified?以强制手段来控制人口是否...