vinyl ketone polymers是什么意思

用法例句

Study on the synthesis and properties of polyketene azo pigment;

聚乙烯酮偶氮颜料的合成与性能研究

A discussion on reaction rule of diketen reacting with alcohols under acid base catalysis;

二聚乙烯酮与醇在酸、碱催化下反应规律的探讨