目的: 采用分光光度法,以芦丁为标准品测定异叶青兰中的总黄酮含量. Objective: Flavonoids in Dracocephalum heterophyllum was investigated by spectrometric method with rutin as standard material.
Mash the bananas with a fork.用叉子把香蕉捣烂。The soup was a mash of grain and vegetables.那是用粮食和蔬菜做成的浓汤。You can help mash up the potatoes for me.你可以帮我把马铃薯捣烂....