And belong to a clean cooking crude benzole purificatory device.
而且属于一条干干净净的焦化粗苯精制装置。
2
Objective: To investigate the effects of membrane separation purificatory technology on dosage and curative effect of Tangkeqing.
目的：考察膜分离精制工艺对糖渴清服用剂量及疗效的影响。
3
The production is washed by 95% ethanol , we can get delamination, then using butanone to extract the lower layer , the purificatory glucose ferulic acid esters can be accepted.