The ageing depeion of nitrate-poetherthased Polyurethans were studied by means of swellingtheory of polymere and chemical reaction kinetics.
运用聚合物的溶胀理论和化反应动
,
究
酸酯基聚醚聚氨酯的老化降解过程。
The ageing depeion of nitrate-poetherthased Polyurethans were studied by means of swellingtheory of polymere and chemical reaction kinetics.
运用聚合物的溶胀理论和化反应动
,
究
酸酯基聚醚聚氨酯的老化降解过程。
Two different kinds of palladium complexes of nitrogen containing polymere havebeen prepared and their catalytic actions for p -nitro -methyl benzfene have been invertigeted.
制备两种不同的含氮高分子-钯络合物,并
究
它们
基甲苯的催化活性。
声明:以上例句、词性分类均由互联网资源自动生成,部分未经过人工审核,其表达内容亦不代表本软件的观点;若发现问题,欢迎向我们指正。