目的: 考察开封市场芦荟药材中芦荟苷和芦荟多糖的含量.Objective : To study the determination of Aloin and Aloe Ploysaccharides in Aloe in Kaifeng market.采用甲醇直接超声提取、 反相 液相色谱法测定芦荟制品中芦荟苷的含量.This paper reported a method for determining aloin in aloe p...
Clearly, the police cannot break the law in order to enforce it.显然，警方不能为了执法而犯法。She became a prostitute in order to pay for her cocaine habit.她以娼养吸。Anne raised her voice in order to be heard.为了让人能听得见，安妮提高了嗓门。...