RESULTS 1. The water, alcohol and ether extracts of Perilla frutescens showed different antitussive effects.
结果1。紫苏子水提物、醇提物和醚提物均显示了程度不同的镇咳作用。
2
Using tri-functionality polyoxytrimethylene alcoholether and polyethylene glycol, synthetize polyurethane elastomer with water absorption expansion rate of0~200%.
采用三官能度的聚氧化丙烯醚醇、聚乙二醇,合成了吸水膨胀率在0~200%的聚氨酯弹性体。
3
The formulas and performances of alcohol-ether and borate type of the fluids developed by the authors were enumerated.