The existence of certain amount of low-molecular-weight heparin in ordinary heparin would increase the thrombogenic safety of the concentrate more greatly.
在普通肝素中按一定比例加入低分子量肝素将更有利于制品血栓安全性的提高。
The role of high molecular weight polymers in reducing droplet size is explained in terms of polymer coil overlap which results in a large increase in the viscosity of the solution.
大分子聚合物减少小尺寸液滴数量的作用，可以解释为聚合物分子链卷曲交迭从而使溶液的黏度大幅度增加。
It was found that loop reactor could narrow the molecular weight distribution, increase the content of carbonate in product molecules and improve catalyst efficiency.
研究发现，环流反应器能够使产品分子量分布变窄，提高产品中碳酸酯基团含量及催化剂的催化效率。
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