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1·ONE of the most promising alternatives to plastics made from oil is polylactic acid (PLA).

能够代替石油来制造塑料的最好选择是聚丙醇酸（聚乳酸纤维）。

2·The product is made from polylactic acid modification wollastonite composite material.

该制品是以聚乳酸改性硅 灰石复合材料为原料制成的制品。

3·Objective: To study the release of ciprofloxacin polylactic acid microspheres in vitro.

目的：考察环丙沙星聚乳酸微球的体外释药性能。

4·The synthetic methods of polylactic acid are reviewed, its status and application are introduced.

综述了聚乳酸的合成方法，介绍了其生产应用现状。

5·Methods : PGA non woven mesh was put into the mold of trachea cartilage ring and enforced with polylactic acid.

方法：按气管软骨环的形状制备模具，将聚乙醇酸无纺网置于模具中，用聚乳酸塑形；

6·Polylactic acid synthesis in two major ways:direct polymerization and lactate lactide ring-opening polymerization.

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。

7·OBJECTIVE To study the preparation process, assay and in vitro drug release of adriamycin polylactic acid microspheres.

目的：对阿霉素聚乳酸微球的制备工艺、含量测定及体外释药特性进行初步研究。

8·The invention relates to a method for preparing a nanofiber bracket material using levorotatory polylactic acid as matrix.

本发明涉及以左旋聚乳酸为基质的纳米纤维支架材料的制备方法。

9·Objective To study the best preparation of fennel oil polylactic acid microencapsulation by emulsifying solvent-evaporation process.

目的：探讨乳化溶剂挥发法制备茴香油聚乳酸微胶囊粒子的最佳工艺。

10·The molecular weight of the diethylenetriamine pentaacetic acid-polyethyleneglycol-polylactic acid polymer nanoparticle is from 10000 to 50000.

二乙三胺五乙酸-聚乙二醇-聚乳酸共聚物纳米粒分子量为10000-50000。