...：同种异体软骨细胞 修复 耳廓缺损 动物实验 目的探讨免同种异体软骨细胞和自行制备生物材料高孔隙率聚乳酸(poly-DL-lactide，PDLLA)支架复合物修复兔耳廓软骨缺损的可行性。
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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。
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。
A low molecular weight poly (DL lactide) containing carbon carbon bonds was synthesized from DL lactide, glycerin and fumaric acid.
由丙三醇、丙交酯和反丁烯二酸制得一含碳碳双健的低分子量聚酯。
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