1·The crystallinity of PLA has great influence on its mechanical properties and degradation rate, so the crystallization behavior of PLA has also attracted many researchers to widely research.
聚乳酸的结晶性能对其力学性能和降解速率有着重要的影响，因而其结晶行为也逐渐成为人们研究的热点。
2·Due to PLA made of renewable resources and can be biodegraded, PLA fiber will be greatly used in textiles, medical and agriculture fields and have great future.
由于聚乳酸纤维采用了天然可再生的植物资源，使用后可自然降解，所以在纺织、医学、农业等领域都有广阔的发展前景。
3·Accompanying with strengthening of consciousness of environment protection and energy, more and more PLA fabric, enabling to be degraded naturally, will be developed definitely.
随着人们环保意识、能源意识的不断加强，聚乳酸纤维这种天然生物降解织物必将有更多的产品被开发出来。
4·The results show that high-molecular weight PLA can be prepared by the direct melt condensation polymerization at suitable technological condition and the product has good biodegradability.
结果表明：采用适当的工艺能通过熔融缩聚法制备出高分子质量的聚乳酸，且具有良好的生物降解性能。
5·Conclusion: PLA can be used to prepare oral nicardipine hydrochloride sustained-release.
结论：聚乳酸可用于制备口服盐酸尼卡地平缓释制剂。