The ion exchange resinmethod was studied by changing the weight ratio of resin to coal when the reaction finished.
改变树脂与煤的重量比,研究离子交换树脂法的提取效果。
2
Objective To study the effect of microfiltration-macroporous resinmethod in purification of oxymatrine and general flavone in sophora flavescens.
目的考察微滤-大孔树脂法精制苦参中氧化苦参碱、苦参总黄酮的效果。
3
It is one of the advanced technology from abroad that higher density of carbon disk is obtained by using chopped carbon fiber press forming and the resinmethod with CVD.