High molecular weight PLA can be prepared by ring-opening polymerization of lactides.

高分子量的聚丙交酯主要由丙交酯开环聚合制备。

The development trends of light stabilizer were obtaining stabilizers with high-efficiency,high molecular weight,multifunction and nontoxicity.

光稳定剂的发展趋势是高效、高分子量化、多功能化和无毒化。

The high molecular weight impurities in cephalosporins are the sensibilisinogen causing tacho-anaphylactic reaction and the emphasis in pharmaceutical analytical studies.

头孢菌素类抗生素中的高分子杂质是引发速发型过敏反应的过敏原,是药物分析研究的重点。

Instead, their test tube was filled with some "contaminant": A high molecular weight polymer they would soon identify as the first actin-binding protein, later called filamin A.

另一方面，他们的试管充满了一些“污染物”：一种他们即将鉴别的，相当于第一个肌动蛋白结合蛋白的高分子质量的聚合物，后来被称为细丝蛋白A。