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1·In stock yards ammonia is formed by biological degradation.

在畜牧场，氨是由生物降解形成的。

2·Study on biological degradation of algae and microcystins by means of enrichment microbes on artificial medium;

采用人工介质富集微生物净化太湖梅梁湾水源地水体中的藻类。

3·The modified starch flocculant has a series of advantages such as wide selection possibility, non-toxicity, biological degradation, etc.

淀粉衍生物絮凝剂具有选择性大、无毒、可生物降解等特点。

4·Natural high polymer materials can be modified into artificial ones capable of biological degradation to meet the urgent need of mankind.

天然高分子材料经过改性可加工成为人类急需的可生物降解的人工高分子材料。

5·It should be noted that disinfectants should not be poured into pits or tanks of latrines that dispose of excreta by biological degradation.

值得注意的是，通过生物降解处理排泄物的厕所，不应向厕坑或者水箱中投放消毒剂。

6·The biological degradation potential on toluene of the bacteria Pseudomonas fluorescens isolated from soil, as influenced by humic acids, was investigated.

研究了腐植酸对荧光假单胞细菌（从土壤分离）降解甲苯的影响。

7·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。

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

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。

9·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。

10·By means of setting up an anaerobic tank in front of DAT-IAT, biological degradation performance and phosphorus removal efficiencies are studied with municipal sewage.

试验采用前置厌氧池的DAT - IAT工艺方法，以城市污水为处理对象研究工艺的生物降解过程及除磷效果。