Polyhydroxyalkanoates ( PHAs) are the most common examples of biodegradable polyesters.

1、

Experiments of double-enzyme degradation, microorganism eroding and soil bury indicate that film of methyl corn starch/ PVA blends film is a kind of biodegradable material.

通过双酶降解试验、微生物侵蚀试验以及土壤实际掩埋试验，表明甲基玉米淀粉／PVA薄膜为可生物降解材料。

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Thermal characteristics, mechanical properties and biodegradability of polycarbonates/ poly ( lactic acid) ( ppc/ pla) blends

脂肪族聚碳酸酯（PPC）与聚乳酸（PLA）共混型生物降解材料的热学性能、力学性能和生物降解性研究

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Experimental study of repairing articular cartilage defect using porous biodegradable PCL

应用生物降解材料PCL多孔块修复关节软骨缺损的实验研究

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4、

Conclusion: The biodegradable membrane as a barrier can enhance bone regeneration.

结论：生物降解材料（PCL／PLA）在引导骨性组织再生中有良好的屏障作用，促进骨缺损的愈合。

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5、

Development trends and applications of PBS-based biodegradable materials were described.

综述了PBS基生物降解材料的研究与应用进展。

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Novel biodegradable polymers-poly anhydrides have been developed since1980s'by the group of langer.

其中聚酸酐类可降解性高分子材料是80年代初发展起来的一类新型可生物降解材料。

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7、

Strength and Toughness Reinforcement of Biodegradable Material Poly ( DL-lactic acid) by Intensified Shearing Plastic Deformation

生物降解材料聚（DL）-乳酸剪切变形强韧化研究

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8、

A Summary of the Synthesis and Application of Biodegradable Material PHA

可生物降解材料聚羟基脂肪酸酯（PHA）的合成与应用概述

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Jack: Absolutely . The pharmaceuticals companys made a big fortune by selling the vaccine.

确实如此. 靠着出售疫苗制药公司可发了大财了.

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Tom's grandfather died two years ago, leaving him a big fortune.

汤姆的祖父两年前去世了, 留给他一大笔钱.

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Mary came into a big fortune when her grandpa died.

玛丽在她祖父去世后得到一大笔财产.

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By selling when prices rose Henry cleaned up a big fortune.

亨利在涨价的时候卖出手头的货,发了一笔大财.

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The agreement was that Germany and Egypt divide the spoils equally between them.

德国和埃及一致同意双方均分这些战利品.

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Cfrc/ hap bioactive composite material and their bio compatibility

CFRC/HAP生物活性复合材料及其生体适应性

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Microstructure and Formation of HCA on the Surface of Bioactive Ceramics

生物活性陶瓷材料表面碳酸羟基磷灰石形成及其微观结构的研究

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Conclusion The bioactive ceramics can release Ca, P,. ion. Extracellular matrices and this ion may increase activation of osteoblast and ALP, and induce ectopic bone formation.

结论生物活性陶瓷材料均有不同程度的Ca、P离子释放，细胞外基质及Ca、P离子可提高成骨细胞活性，异位骨形成及ALP活性。

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Hydroxyapatite is a sort of biological active ceramics as a likable alternative material of dentistry and bone.

羟基磷灰石（HA）是一种生物活性陶瓷材料，为目前齿科和骨科所常用的替代材料。

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With the progress of research on olfactory mechanisms and the advancements of modern biomedical sensing technologies, by imitating the biological mechanisms of olfaction, many types of biomimetic olfactory-based biosensors have been developed by the combination of olfactory functional components with various secondary sensors.

随着嗅觉机理研究的不断深入以及现代生物医学传感技术的不断进步，人们模仿嗅觉感知气味的机理，以生物活性材料作为敏感元件，耦合各种二级换能器，构建了多种仿生嗅觉传感器。

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So the aim of present study is to develop a novel bone repair material which could inject from a syringe and get a porous structure after setting, as well as compound in situ with other bioactive materials.

有鉴于此，本研究力图发展一种具有如下特性的新型骨修复材料：可注射，可在位固化形成三维多孔结构，可实现与其它生物活性材料的原位复合。

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Nowadays, with the development of biomaterial science, the bone defects repair materials developed from the traditional mechanical fixation to biomaterial implantation and the technique of surgery developed from traumatic to minimal invasive technology.

在骨缺损修复材料的应用上，已从惰性材料发展到生物活性材料；在操作技术上，则从创伤性手术向微创技术发展。

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