中药化学课程教学难点是要求学生根据中药化学知识，灵活应用于中药提取分离、结构鉴定等。
That requires a leaner to flexible master the identification and extraction method of chemical compositions of CTMC knowledge is the teaching difficult in the course.
分析化学用于中药研究主要包括中药有效成分的提取、分离和表征。
The applications of analytical chemistry in traditional Chinese medicine research involve the extraction, separation and characterization of the effective constituents in the medicines.
目的：提取分离中药厚朴的有效成分。
Objective: To extract and isolate effective chemical constituents from Magnolia officinalis.
报告中药水提新工艺在三七叶甙的提取、分离、纯化中的应用研究，探讨水提三七叶甙的开发与利用。
This article reports the extraction process with water used to extract, separate and purify saponins from Panax notoginseng leaves. It also explores how to develop the method.
中药有效成分的提取，分离及药理作用的研究是开发新药的重要途径。
It's important to exploit new medicines that extracted from traditional Chinese medicinal herbs and research the pharmacodynamics.
大黄为常用中药，对其有效成分应用化学方法进行提取和分离。
Rhubarb is a commonly used Chinese medicinal herb. In order to obtain its active ingredients extraction and separation were performed with chemical method.
大黄为常用中药，对其有效成分应用化学方法进行提取和分离。
Rhubarb is a commonly used Chinese medicinal herb. In order to obtain its active ingredients extraction and separation were performed with chemical method.
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