extractor 专八

When using sorbitic extractors, try to teach and explain packing method.

在使用氏提取时，应作试教，讲解法。

The paper analyses that flavone's total content measuring of Parthenocissus tricuspidate is extracted by scorbutic extractor and Cohobation method, measured by spectrophotometer.

采用索氏提取法和回流提取法对爬山虎中总黄酮含量进行了提取,并用分光光度法进行了测定。