二分子α-羟基酸内的羟基-OH和羧基-COOH交互缩合脱去二分子水而成的酯。是六原子杂环化合物。
n. lactide
misc. cyclic diester
聚丙交酯乙交酯涂层表面黏附血小板较多，个别血小板变形伸出伪足。
The adhesion platelets of PLGA coating were more, and some platelets deformed and the parapodium stretched out.
聚乳酸的合成方法主要有两种：乳酸直接聚合和丙交酯开环聚合。
Polylactic acid synthesis in two major ways:direct polymerization and lactate lactide ring-opening polymerization.
为提高L -丙交酯的纯度和产率，对l -丙交酯的制备技术进行改进。
Preparation technique was ameliorated in order to improve purity and yield of L-lactide.
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