英语语法分析

The foamed materials were prepared by compression molding, and antistatic agent was applied to polyolefine.

在聚烯烃中添加抗静电剂，采用模压法制备了发泡材料。

This paper has briefly reviewed the structure and characteristics of metallocene, and its application in production of polyolefine.

本文简要介绍了茂金属催化剂的结构特点及在聚烯烃生产中的应用。

The high speed extrusion behaviors of several polyolefine melts were investigated by a double capillary rheometer of constant speed type.

采用恒速型双毛细管流变仪研究一批聚烯烃熔体的高速挤出行为。