介绍和分析黄芪多糖的分离和纯化方法。
The separation and purification methods for astragalus polysaccharides are introduced and analyzed in this paper.
目的优化胰岛细胞分离纯化的方法，提高胰岛产量、纯度和功能。
Objective To improve output, purification and function of islet cells by optimizing isolation and purification methods.
目的：为探索从食用菌子实体中快速分离和纯化dna的方法。
Objective: a simple method for DNA isolation and purification from edible fungus was explored.
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