聚乳酸塑料，离市场有多远?。
目的：考察环丙沙星聚乳酸微球的体外释药性能。
Objective: To study the release of ciprofloxacin polylactic acid microspheres in vitro.
介绍了可降解材料聚乳酸树脂的合成与改性方法。
The synthesis and modification methods for biodegradable poly(lactic acid) are introduced.
综述了聚乳酸的合成方法，介绍了其生产应用现状。
The synthetic methods of polylactic acid are reviewed, its status and application are introduced.
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）。
ONE of the most promising alternatives to plastics made from oil is polylactic acid (PLA).
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.
聚乳酸类时间依靠强度材料的植入物强度测试标准应该被重新审阅。
The standards for mechanical testing of implants made of strongly time-dependent materials like polylactide should be reconsidered.
目的：研究聚乳酸管注入白芨胶和雪旺细胞对周围神经再生的影响。
Objective:To study the influence of peripheral nerve regeneration through polylactic acid conduit with bletilla colloid(BC)and schwann cells(SCs).
聚乳酸的合成主要有两种方法：丙交酯的开环聚合和乳酸直接缩聚。
There are two main methods to synthesis PLA, ring - opening polymerization of lactide and condensation polymerization of lactic acid.
聚乳酸的合成主要有两种方法：乳酸直接缩聚和丙交酯的开环聚合。
There are two main methods to synthesis PLA, condensation polymerization of lactic acid and ring-opening polymerization of lactide.
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。
Objective To study the best preparation of fennel oil polylactic acid microencapsulation by emulsifying solvent-evaporation process.
本文对这些聚乳酸共聚物的合成方法及其性能进行了比较研究和探讨。
This article gathered the lactic acid copolymer synthetic method to these and the performance has conducted the comparison research and the discussion.
本文对聚乳酸及其共聚物在药物控释及靶向方面的研究进行综述和展望。
This paper made a review on the application of poly (lactic acid) and its copolymers in controlled release and organ-targeted release.
通过共聚、共混、复合、辐射、接枝等方法提高聚乳酸使用性能；
The properties of PLA are increased, using co-polymerization, blending, compounding, radiation, grafting, etc.
目的可吸收性聚乳酸管作为神经桥接体修复周围神经缺损已被普遍认可；
Objective Polylatic acid conduits are generally regarded as compound ncrvebirdging for repair of peripheral nerve defect.
结论布洛芬聚乳酸微球在一定浓度下可以作为一种局部缓释药物应用于颅内。
Conclusion: The ibuprofen polylactide microspheres could be used as a local slow release drug in cranial under a certain concentration.
其次，乳酸分子于化学反应容器中连成长链或组成聚合物，然后产生聚乳酸纤维。
In the second stage, lactic-acid molecules are linked into long chains, or polymers, in chemical-reaction vessels, to produce PLA.
本文针对聚乳酸的结晶行为综述了聚乳酸及其共混、共聚体系的最新研究进展。
In this paper, the progress of PLA and its blends and copolymers was reviewed based on the crystallization behavior.
介绍了聚乳酸及其共聚物的合成方法及影响因素，并介绍了几种新的聚合方法。
In this paper, synthesis of poly (lactic acid) and its copolymer, influence factors are introduced, and new polymerization methods are also introduced.
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。
OBJECTIVE To study the preparation process, assay and in vitro drug release of adriamycin polylactic acid microspheres.
前言：分析了聚乳酸生产技术、市场和应用的现状，提出了聚乳酸未来发展前景。
The article analyzes the status of polylactic acid productive technology, market and application and puts forward future development prospect of polylactic acid.
方法利用均匀复合技术，制备出羟基磷灰石在聚乳酸基体中呈单颗粒的复合材料；
Methods This composite with single particle-like Hydroxyapatite embedded in the Poly (DL-lactic acid) (PDLLA) matrix was prepared by applying the uniform compounding technique.
该复合材料由经过表面改性的编织或未编织的天然纤维、聚乳酸和硅烷偶联剂组成。
The composite material is composed of knitted or unknitted natural fiber which is modified at the surface, polylactic acid and silane coupling agent.
以竹原纤维、聚乳酸为原料，采用非织造结合模压成型工艺制备了完全可降解材料。
Raw bamboo fibers reinforced polylactide biodegradable material was prepared by means of non-woven method and moulding pressing technology.
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；
Methods : PGA non woven mesh was put into the mold of trachea cartilage ring and enforced with polylactic acid.
聚乳酸材料被广泛地应用于生物医药和工农业生产各个方面，但它的缺点也是很明显的。
Gathers the lactic acid material widely to apply in the biological medicine and the industry and agriculture produces each aspect, but its shortcoming is also very obvious.
目的观察国产外消旋聚乳酸(PDLLA)材料为细胞载体对软骨细胞吸附生长增殖的影响。
Objective To observe the effect of the poly dl lactide (PDLLA) used as cell culturing scaffold on the growth of rabbit chondrocytes.
实验结果表明：随着胶原浓度的增加，胶原在聚乳酸表面的吸附量和吸附初速率都相应增加。
The results show that: with the increasing concentration of collagen, the adsorption amount and initial adsorption rate on spin-coated PLA surface increases correspondingly.
采用间接开环聚合法合成了平均分子量为444 ，848的聚乳酸，并对合成工艺作了优化。
The of polylactic acid(PLA) was obtained by ring-opening polymerization and the synthesis conditions to get 444,848 molecular weight were optimized.
采用间接开环聚合法合成了平均分子量为444 ，848的聚乳酸，并对合成工艺作了优化。
The of polylactic acid(PLA) was obtained by ring-opening polymerization and the synthesis conditions to get 444,848 molecular weight were optimized.
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