| 1. | Laryngeal cartilage defect repair with allogenic chondrocyte - pga complex
聚羟基乙酸复合物修复喉软骨缺损 |
| 2. | Depressing effect of hydro - acetic acid in flotation sepa ration of aegerine from hematite
羟基乙酸在赤铁矿与霓石浮选中抑制性能的研究 |
| 3. | Results the chondrocytes produced more matrices when seeded onto pga scaffolds coating with pla ， lec and plys . the formation of cartilage was excellent when the constructs above were implanted into the subcutaneous of rabbits
结果以卵磷脂、多聚赖氨酸及聚乳酸共同修饰的聚羟基乙酸与软骨细胞体外培养，结果基质产生旺盛，体内回植后软骨生成良好。 |
| 4. | The amount of hydroxyacetic acid , equal to that of sodium chloride , produced from chloroacetice acid hydrolysis is determined by adopting moore method and there fore the ratio of transformation of chloroacetice acid hydrolyzed can be calculated
摘要氯乙酸水解生产羟基乙酸的工艺过程中产生等物质量的氯化钠，采用莫尔法测定氯乙酸水解的产物氯化钠，并计算氯乙酸的水解转化率，从而选择和控制水解反应的条件。 |
| 5. | Conclusion the more production of matrices ， the better formation of tissue - engineered cartiolage ； the constructs of chondrocytes seeded onto pga coating with pla ， lec and plys can form tissue - engineerd cartilage in animals who have inherited immunity
结论细胞支架复合物体外培养期间有基质产生，是组织工程化软骨生成的前提条件；以卵磷脂、多聚赖氨酸及聚乳酸共同修饰的聚羟基乙酸支架与软骨细胞复合培养后回植到有免疫力的动物体内可生成组织工程化软骨。 |
| 6. | Methods to culture chondrocytes seeded onto polyglycolic acid （ pga ） scaffolds coating with different materials ， observe the production of matrices secreted by chondrocytes and implant the constructs of chondrocytes and scaffolds into subcutaneous of rabbits . the formation of cartilage were evaluated using histology and electron microscope
方法经不同物质修饰的聚羟基乙酸支架与软骨细胞体外培养，观察基质产生情况，并将细胞支架复合物体内回植，观察软骨的生成，并进行组织学及超微结构评价。 |
| 7. | The beheviour of four low - molecule weight organic acid lactic acid , hydroxy - acetic acid , mercapto - acetic acid , glyconic acid as iron - containing silicate - aegirines depressants on the hematite direct flotation is investigated in this paper . the results of flotation tests with pure minerals , artificial mixture of minerals and naturally occurring ore show this depressants have good selectivity in flotation . the flotation separation of hematite from aegirine is achieved successfully with the four depressants
本文研究了四种小分子有机酸抑制剂乳酸、羟基乙酸、巯基乙酸、葡糖酸在赤铁矿正浮选中对含铁硅酸盐脉石霓石的抑制行为，纯矿物、人工混合矿与实际矿石浮选实验均证明了它们具有良好的选择性抑制作用，可以成功地实现赤铁矿与霓石的浮选分离。 |
