亚硝酸细菌

由此得出FA浓度是供氧充足环境下实现亚硝酸氮NO2&N积累的关键因素，而CO2作为亚硝酸细菌AOB的碳源，则具有进一步提升反应器性能的作用。

With adequate oxygen supply , the key factors of achieving NO2 & N accumulation is FA concentration , and as the carbon source of ammonia-oxidizing bacteria , CO2 can upgrade the reactor performance further .

采用亚硝酸细菌选择性培养基，从4个不同的畜牧养殖污水处理厂采集的样品（分别编号为1,2,3,4）在室温下富集培养2个月后，采取酚氯仿抽提的方法提取DNA。

Samples ( marked as 1,2,3,4 ) from four different environments were cultured in selective enrichment culture for ammonia-oxidizing bacteria .

在低C/N比冲击下，A2/O系统中NH3-N的去除与活性污泥中硝酸细菌及与亚硝酸细菌的氧化作用相关性强。

Under the low C / N ratio , the removal of NH3-N in A2 / O system had strong relationship with the oxygenation function of nitrobacteria and nitrosomas in the activated sludge .

几种硝化抑制剂对亚硝酸细菌的抑制作用

Inhibitory effects of some nitrification inhibitors on the nitrite bacteria

亚硝酸细菌研究进展

The Advance of Study on Ammonia - oxidizing Bacteria

亚硝酸细菌、硝酸细菌和反硝化细菌数量有明显的季节动态和空间分布。

The amounts of nitrite bacteria , nitrate bacteria and denitrifying bacteria had obvious seasonal dynamics and spatial distribution .

包芯可以明显提高土壤的细菌、固氮菌、真菌、放线菌、氨化细菌、亚硝酸细菌、纤维素细菌的含量，在整个生育期，它们的含量均明显高于对照。

Sandwich straw could raise the soil bacteria , nitrogen-fixing bacteria , fungi , actinomycetes . ammonification bacteria nitrite bacteria , bacterial cellulose content of the whole growth period ; they were markedly higher than the control .

尤其在播后45天，包芯的土壤细菌、固氮菌、真菌、放线菌、氨化细菌、亚硝酸细菌、纤维素细菌数量与对照的差异均达到了显著水平。

Especially in the 45 days after sowing , Sandwich straw soil bacteria , nitrogen-fixing bacteria fungi , actinomycetes , ammonification bacteria , nitrite bacteria , cellulose and the control of different bacteria have reached a significant level .

细菌类群及数量变化大致是：光合细菌提高3～50倍（多数在15～20倍），亚硝酸细菌提高3倍，硝酸细菌提高4～5倍；

Capsulata in the fishponds . The change of bacterial population and quantity was as follow : The amount of photosynthetic bacteria , nitrous bacteria and nitric bacteria rose 3-50 ( majority 15-20 times ), 3 and 4-5 times respectively .

相关性分析表明，除与亚硝酸细菌具有弱正相关性外，海拔高度与其它因子均具有负相关性，其中与细菌和氨化细菌具有极显著负相关性，与好气性固氮菌和硝酸细菌具有显著负相关性。

Correlation analysis showed that the altitude had negative correlation with all factors except nitrite bacteria , and the altitude have negative correlation significantly with bacteria and ammonifiers . The altitude have negative correlation significantly with aerobic azotobacteria and nitrate bacteria .

分别提取2株细菌的总DNA，利用氨氧化细菌与亚硝酸氧化细菌的16Srdna特异性引物进行多聚酶链反应（PCR）扩增；

Total DNA of pure cultures was extracted and specific primers for the 16S rDNA of ammonia oxidizer and nitrite oxidizer were used for polymerase chain reaction ( PCR ) .

一体化AmOn工艺污染物去除机理研究内容包括：（1）利用PCR-DGGE方法分析研究AmOn一体化污水处理系统中氨氧化细菌和亚硝酸氧化细菌群落的结构和多样性特征。

The mechanism research of the integrated A_mO_n process includes : ( 1 ) Study and analysis of community structure and characteristic of resources diversity of ammonia-oxidizing bacteria and nitrite-oxidizing bacteria in the integrated Wastewater treatment by the PCR-DGGE methodology .

方法采用氨氧化细菌与亚硝酸氧化细菌富集、分离技术从武汉某啤酒厂曝气池活性污泥中分离得到2株纯培养菌株N1和N2。

Methods Two pure cultures , N 1 and N 2 , were enriched and isolated based on the procedures for ammonia oxidizer and nitrite oxidizer from activated sludge of a aeration tank in a brewery plant in Wuhan .

0～0.1m土层中免耕亚硝酸氧化细菌数量高于翻耕和铁茬，0.1～0.2m土层免耕与翻耕亚硝酸氧化菌数较多，而铁茬较少。

Nitrite oxidizing bacteria were increased in no-tillage soils in 0 ~ 0.1m soil layer , but in 0.1 ~ 0.2m soil layer it were more in no-tillage and conventional tillage soils .

亚硝酸氧化细菌作为硝化细菌两个重要生理类群的其中之一，已经被越来越多的研究工作者所重视。

Nitrite-oxidizing bacteria as one of two important physiological groups of nitrifying bacteria , had attracted more and more attention of researchers .

该方法亦适用于淡水亚硝酸氧化细菌初始富集培养过程中硝酸盐的定性检测。

Also , this kind of qualitative detecting method for nitrate can be applied in the initial enrichment system of freshwater nitrite-oxidizing bacteria .

亚硝酸氧化细菌具有生长速度缓慢，自然条件下数量低等特点，这种特点一方面使亚硝酸氧化细菌的研究较为困难，另一方面也制约其工业化生产和应用。

Nitrite-oxidizing bacteria has the characteristics of slow growth rate and low natural conditions , which make the study of nitrite-oxidizing bacteria become more difficult and restrict its industrial production and application .