目的建立利用原子吸收鉴别中药材贝母的方法.ObjectiveTo establish an identification method for Fritillaria by atomic absorption.结果: 处方中的黄芪 、 参、贝母三味药的薄层色谱具有鉴别特征.Results: Describable characteristics of Huangqi , Danshen , Tiandong and Zhebeimu b...
Did a power failure cause the food to spoil and become malodorous in your fridge?停电引起食物变坏,冰箱里异味横生,您有过这样的事 吗 ?We all know that fats spoil by becoming rancid.我们都知道油脂变质后会发臭。He is a man who will spoil rather than accomplish ...
A number of CRT's displays have been created, to be used specifically as computer terminals.现在已出现了许多字符(CRT)显示器, 专门用作计算机的终端设备.Is the CRT display n - tupling bigger than LCD display radiation?CRT显示器比LCD液晶显示器的辐射大几倍?The...