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Process design of small bulk polypropylene modified granulation;

小本体聚丙烯改性造粒工艺的设计

Technical revamping of batch process of small bulk polypropylene unit;

小本体聚丙烯装置投料过程自动化技术改造

Application of new technology of catalyst desulfurization in small bulk PP equipment;

催化剂脱硫新技术在小本体PP装置上的应用

The small batch bulk polypropylene (PP) with excellent transparency can be obtained by adding nucleating-agent and molecular regulator.

以小本体聚丙烯为原料,通过添加成核剂和相对分子质量调节剂,制备了具有良好透明性能的小本体聚丙烯,探讨了成核剂、相对分子质量调节剂对透明性的影响。

The small batch bulk Polypropylene (PP) with excellent transparency and mechanical properties was prepared by adding nucleating agent and relative molecular whight regulator (RMMR).

以小本体聚丙烯为原料,通过添加成核剂和相对分子质量调节剂,制备了具有良好透明性能和力学性能的小本体聚丙烯。

The formulation and processing technology of CaCO_3 filled matrix (PPM type), whose car-rier is the small bulk PP powder, are studied.

研究了小本体PP粉料为载体的碳酸钙填充母料(PPM型)的配方和加工工艺,以及采用国产同向旋转双螺杆挤出机,生产填料与载体树脂质量比高达4∶1以上的PPM型填充母料的可行性,介绍了PPM型填充母料的性能特点,以及在塑料编织袋用扁丝及打包带中的应用效果。

The paper introduces the concept of minimal essential set of the solution set of quasi-variational inequality,and it is proved that there exists at least one minimal essential set of the solution set for every quasi-variational inequality (satisfying some conditions).

引入了拟变分不等式解集的极小本质集的概念,并证明了每个拟变分不等式(满足一定条件)的解集至少存在一个极小本质集。

It is proved that there exists at least one minimal essential set of equilibrium points of the economy and every minimal essential set is connected.

进一步研究了生产经济平衡的稳定性 ,讨论了生产经济平衡“集合值”的稳定性 ,证明了生产经济平衡点集至少存在一个极小本质集且每一极小本质集是连通的 ,从而能够给出本质连通分支的存在性·