biological degradation

cmc is a product of biological degradation, no-toxicity, salt-resistance, regeneration and inexpensive.

羧甲基纤维素是一类水溶性好，能够生物降解、无毒性、抗盐性强、可再生且便宜易得的化工产品。

the garlic residues were treated by biological degradation and physical method. a series of new products, such as compound seasoning and health vinegar etc.

通过对蒜渣进行生物降解和物理方法处理，研制出系列新产品如上合蒜香调味料、蒜香苹果醋等。

the combined biochemical process includes three sections: anaerobic biochemical reduction, aerobic biochemical oxidation and contact biological degradation.

前言：介绍了缺氧-好氧-接触氧化法处理难降解焦化废水的工艺原理、污泥的培养驯化及试运行效果。

in the case of natural fibers biological degradation will occur when the fiber is retained with the sludge in the treatment plant.

就天然纤维而论，当纤维附在处理站的污泥上时，可能发生生物降解。

in this paper, a fixed biofilm snd system was studied, and also the properties of biological degradation reaction rate of nitrogen removal.

本文以固定生物膜SND反应器为研究对象，着重考察生物脱氮降解反应速率的特性。

generally, the removal pathways of antibiotics in the activated sludge process include biological degradation, adsorption, hydrolysis and volatile.

一般认为，抗生素在活性污泥上的去除途径主要包括：生物降解、吸附、水解和挥发四种途径。

S The thermal oxidative and biological degradation tests of photo/ bio-degradable mulch film covered with soil were studied.

主要研究了双组份降解地膜埋土部分在热氧化、微生物的综合作用下，微生物的降解试验。

the application of three phase fluidized bed bioreactor in biological degradation of organic polluted wastewaters

三相流化床生物反应器在降解有机废水方面的应用研究

the comprehensive and systematic study of light and biological degradation properties and assessment method on snack box with new materials was first made in china.

在国内首次对新型快餐饭盒的光、生物降解性能及评价方法进行了比较全面、系统、深入的研究。

the system's non-biological and biological degradation mechanism for organic pollutants and nutrient elements was revealed through the simulation of integrated vertical flow infiltration system;

本研究通过对复合垂直流渗滤系统的模拟揭示了该系统非生物机制与生物机制对有机污染物、营养元素的降解效果。

it is proposed that the biological degradation is a valid approach to the treatment of organic pesticides' contamination.

在阐明有机农药降解机理的基础上提出了生物降解是解决有机农药污染的有效途径。

there are two methods to degrade the proanthocyanidins polymer into oligomer, chemical degradation and biological degradation.

多聚体原花色素降解为低聚体有化学降解和生物降解两种方法。

observation to biocompatibility and biological degradation of mineralized silk-fibroin nanocomposite in mice body

矿化蚕丝基骨材料的生物相容性及体内降解的观察

the study of biological degradation and soil remediation technology to the petroleum pollutants in typical region has become focus in the domestic and international environment, biological field.

石油类污染物在典型油区的生物降解规律和土壤修复技术的研究已成为国内外环境、生物学领域的热点。

This paper provides a combined method of iron chips deacidized and biological degradation in which deals with the biotransformation azo dyes waste water draining from dye works.

采用铁屑还原与生物降解相结合的方法，处理印染厂排出的难生化性偶氮类染料废水，设备简单，投资小，处理效果好。

nutrient balance and mechanism of biological degradation of oil

石油烃微生物降解的营养平衡及降解机理

In stock yards ammonia is formed by biological degradation.

在畜牧场,氨是由生物降解形成的.

membrane bio-reactor was a kind of new high efficient wastewater treatment and reuse craftwork which combined biological degradation with membrane separation processes.

膜生物反应器（MBR）是将生物降解作用与膜的高效分离技术结合而成的一种新型的高效污水处理与回用工艺。

biological degradation of organic compounds in chemical industry waste water analysis of toxic organic compounds in east-lake by gas chromatography

化工综合污水中有毒有害有机物生物降解研究东湖水中有毒有机物的气相色谱分析

an ideal gene transport system should have high gene transfection rate, favourable target and biocompatibility, fine stability and biological degradation.

基因转运需要合适的载体，理想的基因转运系统，应具有较高的基因转染效率、良好的靶向性和生物相容性、较高的稳定性及生物可降解性。

the chitosan degradation methods taken in the production practice are mainly the following three categories: physical, chemical, biological degradation methods.

生产实践中采用的壳聚糖降解方法主要有以下三种：生物降解法、物理法和化学法。

meanwhile, fully and systematically expounded the specific contents and quantitative indexes of physical degradation, chemical degradation and biological degradation of eroded soils.

系统全面地论述了侵蚀土壤物理退化、化学退化和生物退化的具体内容和定量指标。

playing a important role in the biological degradation of ligiun;

在木质素的生物降解中起重要作用；

study on biological degradation of algae and microcystins by means of enrichment microbes on artificial medium

人工介质富集微生物对藻类和藻毒素降解试验研究

the role of cellobiose in cellulose biological degradation

纤维二糖在纤维素生物降解中调控作用的探讨

influencing mechanism analysis of magnetization-anaerobic biological degradation of organic compounds

磁化-厌氧生物降解有机物的影响机理分析

Research on the biological degradation of non-ionic surface-active agent in the water environment

水环境中非离子表面活性剂生物降解性的研究

biological degradation of wheat straw to produce protein fodder have been studied in this paper.

通过对小麦秸秆生物降解生产蛋白饲料的研究。

biological degradation of wheat straw to produce single cell protein was studied in this paper.

本论文对秸秆生物降解生产单细胞蛋白进行了研究。

in this paper the biological degradation technology for water hyacinth lignocelluloses and its effect on the anaerobic fermentation for biogas were studied.

本文开展了水葫芦木质纤维素生物预处理技术的研究，并研究其处理对厌氧发酵产沼气的影响，探求水葫芦高效产沼气方法。