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。
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