catalpa造句
2024年06月02日 10:26:44
OBJECTIVE : To evaluate the influence of different technics on the contents of
catalpa in rehmannia root.
目的: 探讨不同炮制方法对地黄中梓醇含量的影响.
The reaction of
catalpa oil, tung oil and hydroxyl - terminated polybutadiene gives alkyd resin with quick - drying property.
利用梓油和桐油以及带端羟基的聚丁二烯(下文简称丁羟)合成了具有快干特征的醇酸树脂.