two - step process

• 两步法

two - step process的用法和样例：

例句

1. The yields of aldehydes produced in this sequential process are comparable to the two-step method.
   用此法制得的醛，其产率与用两步法可制得的产率不相上下。
2. Alkyl polyglucosides were prepared from glucose and lauryl alcohol by one step reaction using p-toluenesulfonic acid and dodecyl benzene sulfonic acid as catalysts respectively.
   分别采用对甲苯磺酸和十二烷基苯磺酸为催化剂进行了一步法由葡萄糖和月桂醇制备烷基糖苷的工艺研究。