例句 /

Objective To determine and compare Rheum emodin in Caulis polygoni multiflori from different habitats.

Objective To determine and compare Rheum emodin in Caulis polygoni multiflori from different habitats.

目的建立首乌藤中大黄素含量测定方法,并比较不同产地首乌藤的大黄素含量。