茂金属聚乙烯的分子链长支化结构对其流变特性有重要影响，长支链可以使熔体弹性和剪切变稀效应明显增强。
The molecular long chain branch structure of metallocene polyethylene has great effects on it's rheological behavior, long chain branch can significantly enhance melt elasticity and shear thinning.
大多数含茂金属的双组分或多组分催化体系用于制备宽分子量分布聚烯烃，尤其是宽分布聚乙烯，少数用于制备支化或嵌段聚合物。
These catalyst systems are generally used to produce polyolefins having broad molecular weight distributions, especially polyethylene. Some systems are used to produce branched or block polymers.
中熙律师所拥有一支风华正茂的精英律师队伍。
Zhongxi law Firm has a team of elite lawyers who are at the height of their youth and vigor.
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