The ageing depeion of nitrate-poetherthased Polyurethans were studied by means of swellingtheory of polymere and chemical reaction kinetics.
运用的溶胀理论和化学反应动力学,研究了硝酸酯基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.
制备了两种不同的含氮高-络,并研究了它们对对硝基甲苯的催化活性。
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