生物降解性

同时对聚乳酸（PLA）纤维的物理性能、可生物降解性、安全性、耐气候性及其主要用途进行了叙述。

Simultaneously , it describes the physical property , biodegradability safety , weathering resistance and main application of PLA fiber .

PESA分子式是一种无磷、非氮的螯合结构，在阻垢性能和生物降解性方面都取得了突破进展。

Molecular formula of PESA is a non-nitrogen non-phosphate chelating structure , and breakthrough progress is made in performance of inhibiting scale and biodegradability .

聚己内酯降解塑料要比淀粉填充的PE部分降解塑料的生物降解性好；

PCL appears to degrade better than starch filled PE .

在较宽的pH值范围内，部分取代苯胺的生物降解性变化不大。

Biodegradability of some substituted anilines has little changes in a wide range of pH value .

PVA与丙烯酸类浆料生物降解性的比较

Comparision between PVA and Acrylic Acid Size on Their Biological Degradability

沉积物中有机质及金属水合氧化物对γ-666、p，p′-DDT缺氧生物降解性影响

The Effects of Organic Matter and Hydrous Metal Oxides on the Anaerobic Degradation of γ - 666 , p , p ′ - DDT in Liaohe River Sediments

应用拓扑指数预测直链烷基苯磺酸盐（LAS）的生物降解性

Prediction of the biodegradability of linear alkylbenzene sulfonate ( las ) using topological index

采用田间掩埋、平皿培养和CO2释放试验分别测试了再生纤维素膜的生物降解性。

The biodegradability of regenerated cellulose film was tested by soil-burial test in field , culture-dish test and CO2 evolution test respectively .

正是由于聚乙烯醇对环境的低影响，使聚乙烯醇的溶解性和生物降解性在工业和商业中被广泛应用。文中对PVA的生物性能和环境性能作了较系统的介绍。

Because of its effects upon the environment , the properties of PVA-solution and bio-degradation are widely applied in industry and commerce .

壳聚糖和聚乙二醇（PEG）均具有良好的生物降解性、生物相容性和低毒性，在生物医药领域具有广泛的应用。

Chitosan and poly ( ethylene glycol ) which both have good biodegradability , biocompatibility and low toxicity are well-used in biomedical field .

采用半连续实验方法在中温条件下研究对苯二甲酸（TerephthalicAcid，简称TPA）的厌氧生物降解性。

The behavior of terephthalic acid ( TPA ) in anaerobic mixed cultures has been studied by semi-continuous tests under mesophilic condition with synthetic TPA wastewater .

采用土埋、真菌生长和CO2释放试验分别测定了几种淀粉聚乙烯膜的生物降解性。

The biodegradability of starch containing polyethylene films ( 6 % ~ 30 % starch ) was tested by soil burial , fungal growth and CO 2 evolution test respectively .

PCL因其具有较好的力学性质、生物降解性和生物相容性已在组织工程和药物运输方面广泛应用。

PCL was widely used for tissue engineering and drug delivery because of its good mechanical properties , biodegradability and biocompatibility .

烷基多苷（APG）生物降解性的研究

Research on Primary Biodegradation of APG

而聚乳酸（PLA）链段具有疏水性，且具有良好的生物降解性，降解产物对人体无害。

Another polymer , poly lactic acid ( PLA ), is hydrophobic and biodegradable , and its degradation products have no negative influences to the human body .

通过摇床实验，研究新型阻垢剂乌头酸丙烯酸共聚物（AAAA）的生物降解性。

The biodegradability of the copolymer of aconitic acid-acrylic acid ( AA-AA ), that is a new kind of scale inhibitor , was studied with shaking-bottle incubating test .

蒽酮法研究烷基多苷（APG）的初级生物降解性

Primary Biodegradation of APG

概述了烷基链中含有酰胺基和酯基的Gemini阳离子表面活性剂的合成、表面活性和生物降解性。

The synthesis of new types of Gemini cationic surfactants with amide or ester groups in hydrophobic chain and their surface-active and biodegradation properties are reviewed .

好氧生物降解性试验表明，PASP属易生物降解性有机物。

By tests of aerobic biodegradation , it is concluded that PASP is a readily biodegradable polymer .

结果表明，PVA－Cu2＋的配位反应降低了PVA的结晶度，但新化学键的引入使PVA薄膜的抗生物降解性增强。

The biodegradation of PVA Cu 2 + film was studied . It shows that the coordination can enhance the bioresistance of PVA film although it decreases the crystallinity of PVA .

本研究针对LAS废水的性质，首先进行了生物降解性实验研究，并重点对水解酸化阶段进行了实验分析。

As for the properties of LAS , investigations had been performed on biodegradability of synthetic detergent firstly , and emphases had been put on experimental analysis on hydrolytic acidification .

提出了以BOD5／CODcr的比值划分钻井液化学剂可生物降解性的分级标准，并对16种钻井液化学剂的可生物降解性进行分级，为其应用提供依据。

The ratio BOD_5 / COD_cr is calculated and it is proposed as the standard to classify biodegradability , 16 kinds of chemicals in drilling fluids are classified for the purpose of their application .

利用菜园土壤和活性污泥作为接种源，采用CO2释放量和质量损失百分率定量分析了包膜材料的生物降解性，利用扫描电子显微镜定性研究了降解过程中包膜材料的形貌变化。

The biodegradation behavior of the coated material was studied in the activated sludge and garden soil as two inoculums ; the biodegradable degree was determined quantitatively by weight loss and CO_2 release test and studied qualitatively by scanning electron microscope .

聚己内酯（PCL）由于具有良好的生物降解性、生物相容性和无毒性，而被广泛用作医用生物降解材料及药物控制释放体系。

Poly (ε– caprolactone )( PCL ) has been extensively used as biomaterials and carriers for drug delivery systems because of its excellent biocompatibility , biodegradation and low toxicity .

在ISO11734方法的基础上建立以产气量和COD值变化来测试有机物厌氧生物降解性。

A method to assess the anaerobic biodegradability of organic compounds from gas product and COD value has been established and presented in this paper , this method was developed on the base of ISO-11734 recommended routine .

目的是研究PGLA牙周引导组织再生片的生物降解性和安全性。

In order to study the biodegradable properties and biological safety of PGLA film for periodontal guided tissue regeneration in vitro .

介绍生物降解性检测的土埋法和微生物生长法，研究了LLDPE／淀粉生物降解塑料的生物降解性能。采用土埋法研究了该复合材料的可降解性能。

S Soil burial and microbial growth were used to determine the biodegradability of LLDPE / starch blend . The biodegradable property of the composites was investigated by means of bury test .

利用从污水、污泥中分离得到的聚乙烯醇（PVA）降解菌，采用吸光光度分析法，考察了甲醛和戊二醛改性对PVA生物降解性的影响。

Enzymes for biodegrading PVA was obtained from the waste water and sludge through separating technology . Spectrophotometric analysis was employed to investigate the effect of modification of PVA by formaldehyde and glutaraldehyde on the biodegradability of PVA .

松花江中取代苯酚和苯胺类的生物降解性及QSBR研究

Quantitative relationships between the structure and biodegradability of substituted benzenes in the Songhua River

聚乳酸（PLA）是以乳酸为单体经化学合成的新型生物降解性高分子材料，不会造成环境污染，但是PLA韧性较差，使其很难满足更广泛的工业应用。

Polylactic acid ( PLA ), a new type of degradable polymer synthesized by the monomer of lactic acid , is the environmental-friendly material , but its brittleness makes it hard to satisfy the needs of extensive industrial application .