polybutadienesBNC²³⁶²¹³⁺¹ 基本例句 机聚丁二烯原型polybutadiene的复数 Complex plane analysis for the dielectric relaxation of1,2- polybutadienes was performed. 本文对1，2-聚丁二烯的介电松弛进行了复平面分析。 cnki Factors governing the microstructure of1, 2- polybutadienes prepared with molybdenum catalysts have been studied. 本文研究了调节羧酸钼体系1，2-聚丁二烯微观结构的因素。 cnki