可降解

将其与天然高分子或各种可降解塑料混合也可以有效促进PP的生物降解；

The biodegradability can also be improved by blending some natural polymer or degradable plastics ;

分光光度计测定吸光度表明所制备的HA凝胶是一种可降解的生物材料。

It was shown in the spectrophotometer test that HA gel was a degradable material .

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。

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

《民航行业塑料污染治理工作计划（2021-2025年）》提出：到2025年，民航行业一次性不可降解塑料制品消费强度较2020年大幅下降。

By 2025 , the consumption of disposable non-degradable plastic in the civil aviation industry will decline sharply from the 2020 level .

12月1日起，海南省全面禁止一次性不可降解塑料袋、塑料餐饮具等用品的生产、销售及使用。

Disposable plastic bags and tableware that are non-degradable have been banned from production , sale and use starting Tuesday in China 's island province of Hainan .

列入首批禁塑名录的产品包括一次性塑料袋、包装袋、餐盒、碗、水杯以及吸管等不可降解聚合物制品。

The first batch of items to be banned include products such as disposable plastic bags , packaging bags , meal boxes , bowls , drink cups and straws made from non-biodegradable polymers .

民航局表示，明年起，国内客运航班将禁止提供一次性不可降解塑料吸管、餐具、包装袋等用品。

China will ban the use of disposable plastic packaging bags , tableware and straws made from non-degradable materials on domestic flights starting next year , the Civil Aviation Administration of China said .

报告重申，到2025年年底，全国范围邮政快递网点禁止使用不可降解的塑料包装袋、塑料胶带和一次性塑料编织袋。

Compiled by the development and research center of the State Post Bureau , the report reaffirmed the country 's plan to cease the use of non-degradable plastic packaging , plastic tape , and single-use plastic woven bags at postal and express service outlets by 2025 .

B组：单纯将ECM凝胶注入可降解聚乳酸导管桥接神经缺损；

Group B , merely ECM and degradable PLA for nerve defect ;

基于CA的可降解药物控释系统建模与仿真

New Model and Simulation for Biodegradable Controlled Drug Delivery System Based on CA

凝胶渗透色谱法在测定可降解PVC塑料分子量中的应用

Application of Gel Permeation Chromatography ( GPC ) to Determination of Molecular Weights of Degradable PVC Plastics

结果表明，电化学氧化法可降解炼油二级出水中的COD和NH3-N。

It was concluded that the electrochemical oxidation method could effectively degraded the COD and NH_3-N in the wastewater .

研究结果表明：β－TCP／BMP是一种可降解、具有较强骨诱导能力、生物相容性较好的人工骨。

The conclusion is that β - TCP / BMP is a degradable biocompatible artificial bone material which has the ability of osteoinduction .

目的：探讨新型的人工合成的可降解材料Poly（DL-lactide-co-ε-caprolac-tone）修复周围神经损伤的可行性。

AIM : To explore the feasibility of using the novel biomaterials , Poly ( DL lactide co ε caprolactone ), to repair the peripheral nerve defect .

铝片TiO2薄膜在降解4BS染料中的应用可降解高分子材料

Applications of TiO_2 Film Coated on Aluminum on the Photocatalytic Degradation of 4BS Dye Solution

饮用水深度处理工艺可降解一定的EDCs；

Advanced drinking water treatment processes can degrade certain EDCs in water ;

方法将血管平滑肌细胞接种于几种现有的可降解基质材料上，采用MTT法观察细胞在几种基质材料上的生长情况；

Methods Vascular smooth muscles cells were seeded onto these degradable scaffolds , MTT method was used to analyze the growth state of the co-cultured cells .

MMPs可降解绝大部分细胞外基质（ECM），是皮肤光老化的直接原因。

MMPs can degradable most of the extracellular matrix ( ECM ), which is the direct cause of photoaging of the skin .

Caspase作为蛋白分解酶可降解多种死亡底物，而它本身可以经线粒体途径和死亡受体途径两种模式激活，其中死亡受体途径是最常见的途径。

Caspase is activated by the mitochondrial pathway and the death receptor pathway . The most common pathway is death receptor pathway .

因此通过共聚将聚乙二醇（PEG）引入PCL中有望获得新型的可降解材料。

Therefore , when polyethylene glycol ( PEG ) is introduced into the PCL fragment , it is expected to produce new biodegradable materials through copolymerization .

动胶菌发酵生产可降解塑料PHAs

Fermentation of Biodegradable Plastic & PHAs

目的探讨用可降解多孔块状聚己内酯（PCL）作为骨形态发生蛋白（BMP）的载体，修复骨缺损的可行性。

Objective To investigate the availability of bone defect repair by degradable porous polycaprolactam ( PCL ) as the carrier of bone morphogenetic protein ( BMP ) .

CS以其良好的成膜性、生物相容性及可降解性，成为GBR膜基质材料的研究重点。

CS is easy to become film , biocompatible and biodegradable , and has become the focus of research for matrix material of GBR membrane .

目的探讨在高脂内环境下聚乙醇酸（PGA）可降解血管外支架对自体移植静脉（VG）再狭窄的防治作用。

Objective To investigate preventive effect of the polyglycolic acid ( PGA ) biodegradable external stent on restenosis of autologous vein graft in hyperlipemia rabbits .

一类为人工合成可降解材料，如PGA、PLA等，但两者在来源、塑形能力及细胞识别信号等方面存在不足。

The other is artificial synthesis material , such as PLA , PGA , et al . All these materials have deficiency in source , moulding ability and cells recognition .

目的探讨可降解壳聚糖血管外周支持（CES）对静脉移植物（VG）早期结构变化的影响，为临床提高VG通畅率提供新的治疗方法。

Objectives To investigate the effect of chitosan biodegradable external stent ( CES ) on the early changes of rabbit vein graft ( VG ) .

结论：可降解性壳聚糖纤维增强PCL复合材料具有良好的生物相容性，能够对缺损胸壁提供有效的支撑作用，值得进一步研究以应用于临床。

Conclusion : Degradable chitin fiber reinforced PCL has fine biocompatibility and can provide effective support for chest walls , making it a promising biomaterial for chest wall reconstruction .

目的：探讨经改性处理后的可降解生物材料聚β-羟基丁酯（PHB）作为血管组织工程支架材料与血管平滑肌细胞的细胞相容性。

Objective To study the cellular biocompatibility of polyhydroxybutyrate ( PHB ) which acted as scaffold for vascular tissue engineering combined with vascular smooth muscle cells ( VSMCs ) .

干预：采用可降解PCL的浸出液进行了急性毒性试验、Ames试验、微核试验、肌肉刺激实验、热源试验。

INTERVENTIONS : The extraction solution of degradable PCL was used to conduct acute toxicity testing , Ames test , micronucleus test , muscle stimulation test and heat source test .

本文的思想是基于将PLLA材料制成的可降解膜衬垫衬于金属接骨板下，构造出一种新型复合接骨板系统。

In this paper , a kind of degradable cushion made of PLLA was placed under the metal plate , and then a new internal fixation was created .