biodegradability

Chitosan ( CS) can be used as a new drug-carrier, for its in-toxicity, good biocompatibility and biodegradability.

壳聚糖（CS）无毒，具有很好的生物相容性、生物可降解性，可作为一种新型药物载体。

Poly ( malic acid ) is a new kind of water-soluble polymer with favorable biodegradability and biocompatibility.

聚 苹果酸 是一种具有生物降解性和生物相容性的新型 水溶性 高分子.

In this paper thethe preparation, physical properties, biodegradability and applications of the aliphatic polyesters are reviewed.

本文重点介绍了这类脂肪族聚酯的合成方法 、 性能特征及其应用前景.

Methyl sulfonic acid ( MSA) tinplating is paid more and more attention to because it is friendly to the environment and completely biodegradability, and treatment of electroplating wastewater is simple.

甲基磺酸盐酸性镀锡（MSA）由于具有环境友好性和生物可降解性，且废水处理简单，越来越受到重视。

Poly ( 3-hydroxybutyrate-co-3-hydroxyvalerate)( PHBV) copolyester is a thermoplastic bio-polymer synthesized by microbial fermentation, presenting the advantages of good biocompatibility and biodegradability, which have attracted many domestic and international researchers a great deal of attention in recent years.

羟基丁酸-羟基戊酸共聚酯（PHBV）是由微生物发酵合成的热塑性生物高分子聚酯，具有优异的生物相容性和生物可降解性，近几年引起了国内外众多科研工作者的极大关注。

The principle, test methods and development trend of biodegradability test of lubricants are described in brief.

简要概述了润滑剂生物降解性试验方法的原理 、 试验方法及发展趋势.

The biodegradability of 27 substituted benzenes in the Songhua river water by BOD technique.

测定了27种取代苯类化合物在松花江江水中的生物降解性.

Hyaluronic acid ( HA ) is a very good drug carrier due to its excellent biocompatibility and biodegradability.

透明质酸 ( HA ) 具有良好的生物相容性和生物降解性,是优良的药物载体.

These are especially important for environmental applications where biodegradability is a major requirement.

生物可降解性是环境保护的重要要求.

Chitin is the only basic amylose in nature and has excellent properties of biocompatibility and biodegradability.

甲壳素是自然界中唯一的碱性多糖,有良好的生物相容性和生物降解性.

Prediction of the biodegradability of aromatic substances using artificial neural networks

利用人工神经网络预测芳香化合物的生物可降解性

PHAs ( polyhydroxyalkanoates) are bacterial polyesters having the properties of complete biodegradability and biocompatibility, as well as the satisfying physical properties for manufacture, which decide their promising application.

聚羟基脂肪酸酯（polyhydroxyalkanoates，PHAs）因其完全的生物可降解性、良好的物理加工特性以及生物相容性使其应用前途十分广泛。

In addition, cellulose, a main component of bamboo fiber , enables the bamboo fiber to have biodegradability.

此外竹纤维中占主要成分的纤维素使其具有生物降解性.

The facultative anaerobic bacteria cultivated can turn nitrobenzene into aniline, and in turn further improve the biodegradability of the wastewater, which provides favorable conditions for the following aerobic treatment process.

所培养驯化的兼性厌氧菌可将硝基苯类转化成苯胺类，进一步改善和提高了废水的可生化性，为后续的好氧生物处理的顺利进行，提供了有利条件。

Possess extremely high biodegradability, leaving no chemical remains and reducing damages to our natural environment.

具极高的生物分解度, 不会残留化学物质并减少对大自然的破坏.

Chitosan has been widely used in medical field since its good biological activity, biocompatibility and biodegradability.

壳聚糖具有良好的生物活性 、 生物相容性和生物可降解性,已广泛应用于医疗领域.

Biodegradability of the nitrocellulose with diphenylamine was investigated in this paper.

研究了含二苯胺硝化棉的生物降解特性.

Starch has abundant resources , low price and natural biodegradability.

淀粉产量丰富, 价格低廉,具有天然的生物降解性.

The experimental results show that the azo group and benzene ring have marked influence on biodegradability;

实验结果表明：实验染料结构中的偶氮基和苯环对染料的可生化性有显著的影响；

Local conditions, especially the presence or absence of oxygen, affect Biodegradability.

地方的情况(特别是有氧或无氧)影响着生物降解.

The worse biodegradability of mineral oil has caused heavy pollution. The collabriaton of the government intervation.

矿物基润滑剂存在着生物降解性差的弊端,它所造成的污染已经引起人们的高度重视.

The relationship between biodegradability of varied lubricants and their structures and compositions is analyzed.

综合分析了各种润滑油的生物降解性能与其结构及组成的关系.

Gelatin ( Gel) has no adverse reaction, no immunogenicity, and good biodegradability, and is widely applied.

明胶（Gel）作为载体材料，无不良反应，无免疫原性，具生物可降解性，应用广泛。

Storm water samples collected from an urban road in Xi ′ an City show that the urban road surface runoff has much greater pollution intensity of SS and COD and possess less biodegradability.

对西安市南二环路雨天路面径流排水进行了连续取样监测，表明城市道路路面径流污染物SS和COD具有很高的污染强度，且生物可降解性较差。

The results show that the expressway runoff has greater pollution intensity and the main pollutants are SS and COD with rather low biodegradability.

结果表明，高速公路路面排水具有较高的污染强度，污染物以SS和COD为主，且生物可降解性较差。

The chloro group on benzene was shown to lower the biodegradability. STUDY ON THE THERMOKINETICS FOR NUCLEOPHILIC SUBSTITUTION REACTIONS OF BENZOYL CHLORIDE

苯环上氯取代会降低化合物的生物可降解性苯甲酰氯亲核取代反应的热动力学研究

Aliphatic PUA with excellent biodegradability, biocompatibility and thermal-responsiveness was employed as the smart responsive component.

实验中以聚丙烯酸（PAA）作为结晶调节剂，将具有良好生物相容性、生物可降解性及温度响应性的PUA作为智能响应性组分。

Chitosan shows wide applications due to its favorable biocompatibility and biodegradability, and is an approved excipient by FDA.

壳聚糖因良好的生物相容性和生物可降解性而获得广泛应用，是美国FDA批准的载体材料之一。

The pre-oxidization have enhanced the biodegradability of wastewater, and the COD removing rate obtained certain enhancement.

预氧化提高了废水的可生化性, COD的去除率得到了一定的提高.

Anaerobic hydrolysis of terramycin crystallizing mother solution was completed with up anarobic sludge bed in order to improve the biodegradability of wastewater and electronic donor in it. The variations of pH, COD, NH+ 4, and SO 2-4 were monitored.

为了提高废水的可生化性、增加可利用反硝化电子供体的数量，利用厌氧污泥床对土霉素结晶母液进行了水解处理，并对反应的pH、COD、NH+4、和SO2-4浓度等进行了考察。