1.This paper firstly introduces the theory of normalization and denormalization in logical design of database.

1.文中首先论述库逻辑设计中的关系规范化与规范化的问题。

2.Results The contents of loganin and morroniside was higher than 98% by normalization method of HPLC.

2.结果所得马钱苷苷用归一化法定量，质量分均大于98%。