英语释义

1. a crystalline dilactone C6H8O4 formed from two molecules of lactic acid by self-esterification

2. a dilactone formed from an alpha-hydroxy acid other than lactic acid

片语

DL lactideDL丙交酯

L-Lactide S左旋乳酸

-lactide丙交酯；[有化] 交酯

racemic lactide内消旋丙交酯

levorotatory lactide右旋

l lactidel丙交酯

Lactide synthesis丙交酯合成

glycolide lactide乙丙交酯

poly lactide聚交酯

英汉例句

• specific drug–polymer interactions are engineered by optimizing the lactide to glycolide ratio and including specific polymer end groups.

  通过优化丙交酯与乙交酯比例及加入特殊的聚合物末端基来获得特殊的药物-聚合物间相互作用。

• the influence of melt polycondensation and solvent refluxing methods of lactide polymerization and chain extension agents on relative molecular weight of polylactide was studied.

  研究了乳酸熔融缩聚和溶剂回流脱水缩聚两种聚合方法及几种扩链剂对乳酸聚合物相对分子质量的影响。

• however, the yield of lactide wasn't satisfical, and hydrophilicity of pla was so bad that it leaded to low degradation rate, these shortcomings limited its use in some biomedical fields.

  丙交酯的产率低，同时聚乳酸的亲水性差，降解速度慢，限制了聚乳酸在生物医药领域的应用。

• the reactive time and reactive temperature are two important parameters for yield of lactide .

  反应时间和反应温度是制备丙交酯的两个重要的工艺参数，直接影响丙交酯的产率。

• 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：丙交酯的开环聚合和乳酸直接缩聚。

• 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。

• with the zinc as the catalyst, lactide monomer was obtained by decomposition of low polymer. with the zinc diethyl as the catalyst, the lactide was polymerized to poly(dl-lactic acid).

  以锌为催化剂由乳酸的低聚物裂解制得单体丙交醋，再由二乙基锌引发开环聚合得到高分子量的聚乳酸。

• 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。

• to avoid the high cost in purifying lactic acid, lactide was prepared directly in the thesis from ethyl lactate and ammonium lactate, which are intermediate products in the manufacture of lactic acid.

  本文从乳酸生产过程中的中间体——乳酸乙酯和乳酸铵出发，避开乳酸的纯化工艺，直接进行合成丙交酯的研究。

• 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。

• specific drug–polymer interactions are engineered by optimizing the lactide to glycolide ratio (l:g ratio) and including specific polymer end groups.

  通过优化丙交酯与乙交酯比例（l：g比）及加入特殊的聚合物末端基来获得特殊的药物-聚合物间相互作用。

• objective to observe the effect of the poly dl lactide (pdlla) used as cell culturing scaffold on the growth of rabbit chondrocytes.

  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。

• polylactic acid (pla) is a linear aliphatic polyester produced by poly-condensation of naturally produced lactic acid or by the catalytic ring opening of the lactide group.

  聚乳酸（pla）是一种线性脂肪族聚酯的聚乳酸中自然产生的或由丙交酯开环缩合催化剂组产生。