AIM: To identify chemical components in Shuangshen Prescription by Liquid Chromatography-Mass Spectrometry (LC-MS), and optimize the extraction by uniform design (UD).
目的：采用液相色谱质谱联用鉴定双参复方化学成分，同时应用均匀设计优化复方提取工艺。
2
The key of cathode surface treatment is the component of glue liquid and the uniform degree of daubing glue, especially whether the carbon grains are transferred into diaphragm and electrolyte or not.
Screw pump is a new type of liquid delivery of machinery, with a simple structure, safe and reliable use of easy maintenance, a continuous uniform fluid, pressure, stability and so on.