查询词典 PLA

But there are some problems with it in hydrophobicity and inductive capability to cell by long observation and research.

但是长期的临床观察和研究发现聚乳酸仍存在一些问题，限制了PLA的大规模应用。

As a marshal of the PLA,Luo Ronghuan made an ineffaceable contribut ion to the theory and practice in our army's cadre work during his military car eer of 36 years.

罗荣桓元帅在三十六年的军事生涯中，从事了大量的军队干部工作，对我军干部工作的理论与实践，作出了不可磨灭的贡献。

The PLA has devoted considerable resources to developing special forces, which are an integral element of China's ground force.

解放军陆军已经花费了相当大的精力发展特种部队，它是中国地面部队的一个有机组成部分。

The vADL model of PLA could be map to labeled typed graph, and defined constrains, evolve commands, applicability conflicts and evolution conflicts.It provided a simple example to explain detecting conflicts technique.

应用复用契约技术检测产品线体系结构的并发演化冲突，给出产品线体系的vADL模型的类型标签图映射及约束，定义产品线体系结构的编辑命令、应用性冲突和演化性冲突，并且对该方法进行实例说明。

We use the method of decomposing PLA to synthesize lactide by means of orthodoxical experiment method.

本文主要进行了丙交酯的合成工艺研究及聚乳酸的开环聚合工艺研究。

We investigate how the type of lactide affacts the molecular weight of PLA at the same time.

并考察了丙交酯类型及纯度对聚乳酸分子量的影响。

PLA has been produced by ring-opening polymerization of lactide or direct polycondensation of lactic acid.

制备聚乳酸常通过乳酸的直接聚合或丙交酯的开环聚合两种方法。

When lactide was purified byethyl acetate for 4 times, it was pure enough to polymerize to be PLA.

以乙酸乙酯作为重结晶溶剂，当重结晶次数达到四次后，其纯度已达到丙交酯聚合的基本要求。

PURAC offers the lactide monomers as polymerization feedstock and in cooperation with Sulzer the polymerization technology to make PLA.

普拉克提供的原料和聚合与苏尔寿技术合作的乳酸聚合单体，使人民解放军。

Two main synthesis methods of PLA, condensation polymerization of lactic acid and ring-opening polymerization of lactide in recent years are described in details, and the situation of production is analyzed as well.

最后，对聚乳酸的合成及应用前景进行了展望，并指出可生物降解材料聚乳酸一旦工业化，它在医用及降解塑料方面将会有难以估量的应用前景

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。