n.二甲胺...

dimethylamine的音标：dimethylamine的英式发音音标为：[daɪmeθɪlə'mi:n]dimethylamine的美式发音音标为：[daɪmeθɪlə'min]...

The silicone quaternary was synthesized reaction of - H silicone, unsaturated - ether, chloroacetic acid, dimethylamine.以低含氢硅油 、 不饱和聚醚 、 一氯乙酸和二甲胺为原料, 制备得阳离子有机硅油.Amphoteric monomer is prepared with acrylic acid , dimethyl...