Chemical Extraction Method的意思|示意

Method: Compounds were separated by solvent extraction and column chromatography with silica gel and structures were elucidated by chemical evidence and spectral analysis.

方法：溶剂提取和硅胶柱色谱法进行分离，理化性质和光谱数据鉴定其结构。

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.

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。

The extraction of soluble dietary fiber(SDF)from Pear Residue by chemical method was studied in this paper and its basic component was also determined.

本研究以梨渣为原料，测定了梨渣的基本成分；用化学法提取梨渣可溶性溶性膳食纤维，并优化提取工艺；

The research on the extract method of sorghum red dyestuff and physics, chemical properties in the paper, The optimum extraction conditions is determined by experiments, then direct dyeing.

本文对高粱红天然染料的萃取方法及物理化学性质进行了研究，通过试验确定了染色用高粱红天然染料的最佳萃取条件。

A continuous extraction method was adopted to analyze the chemical forms of arsenic (as) in soil, and the content change of as with different forms were compared when the additives were added.

采用连续提取法对土壤中砷的化学形态进行分析研究，比较加入不同改良剂时砷的各种形态含量的变化。

Summarized the progresses of glycyrrhiza polysaccharide on extraction method, chemical constituents, pharmacological effects.

综述了甘草多糖的提取方法、化学组分、药理作用等方面的研究进展。