four extraction methods的意思|示意

Four methods of extraction, qualities of qualitative and quantitative analysis, detecting level and applications have been outlined.

简要描述了四种萃取净化方法，以及定性定量检验方法的特点、检测水平和应用。

Conclusion: the results suggest that it had significant difference between four RNA extraction methods, so we should choose the appropriate one for detection of flu viruses in clinical specimens.

对临床标本的检测，也获得相似结果。结论：各试剂之间提取核酸的效率存在差异，应该选择性价比较好的方法进行临床标本的实验室RNA提取。

According to different extraction methods, which are four kinds of traditional Chinese medicine active ingredients of, and compare them.

按照不同的提取方法，得到四种中药当中的有效成分，并对其抑菌效果做一比较。