英德
有道
百度
谷歌
图片
维基
百科
树脂煤
resinite coal
- 介绍了一种以环氧树脂e - 44为原料制备煤岩光片黏结剂的新方法及应用。
A new method for preparing optical thin slice of coal maceral bonder made of epoxy resin E-44 and its application are introduced. - 改变树脂与煤的重量比，研究离子交换树脂法的提取效果。
The ion exchange resin method was studied by changing the weight ratio of resin to coal when the reaction finished.
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