To overcome this problem, the zeolite can be modified with amorphous cracking component to form a compo - site catalyst.

为了解决这个问题，可以用无定形裂化组分对沸石进行改性而制成一种复合催化剂。

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The research and development of a metallocene based single site catalyst with constrained geometry configuration and its polymerization products are reviewed.

综述了限制几何构型金属茂催化剂及其聚合产物的研究和开发情况。

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The effects of catalyst quantity, acetic alcohol mole ratio, acetic acid and ethyl alcohol feed site, reflux ratio and reflux composition on the process are investigated.

对乙酸与乙醇酯化反应体系，考察了催化剂用量、酸醇比、进料位置、回流比、回流组成等因素对过程的影响。

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The result is expected to be a marked increase in the adoption of metallocene and single-site catalyst technologies.

ECONOMIST: REPORTS: Designer plastics | The

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