Composition, particle size distribution and catalytic performance of NA catalyst in batch liquid bulk polymerization of propylene were studied and were compared with those of an imported catalyst.

研究了用于丙烯聚合的新型NA催化剂的组成、粒度分布及本体聚合性能，同时与进口催化剂进行了相关对比。

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A computer advanced control and administration system for batch liquid phase bulk polypropylene plants is introduced.

介绍一种间歇式液相本体聚丙烯装置计算机先进控制与管理系统。

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