亚胺基杂环丙烷季铵盐的阳离子,一定是按协同反应的方式开环的.The aziridinium ions must all be opened by a concerted process.阳离子表面活性剂通常为季铵盐类.Cationics are usually quaternary ammomium salts.反 离子通常是钠, 钾和铵.The usual counter - ions are sodium, potassium an...
他通过弑君登上了沙皇宝座。He had become czar through regicide.沙皇曾是活着的圣像，具有深远的历史和宗教意义。A tsar was a living icon, invested with deep historical and religious significance.1918年，这个前沙皇统治的省份中占了多数的罗马尼亚人投票赞成与罗马尼亚合并。In 1918 the Romanian major...
结果是该参量相当大,其数量级为10.It turns out that this constant is rather large - on the order of 10.人们看到形变参量彼此符合得相当好.It is seen that the deformation parameters agree rather well with each other.并给出了基于上述三种相似关系推导的各个参量的相似比尺.The scales o...