硝化细菌

pH值与曝气对硝化细菌硝化作用的影响

Effect of pH and aeration on nitrification of nitrobacteria

硝化细菌的PCR方法检测和定量研究

The Detection and Quantitative Examination of Nitrobacteria by Using PCR Technique

硝化细菌是化能合成的自养生物。

The nitrifying bacteria are chemosynthetic autotrophs .

根际土壤中自生固氮菌和硝化细菌的数量和脲酶的酶活性显著相关，P细菌和磷酸酶活性显著相关，说明这些菌对酶活的产生贡献比较大。

This suggested , these bacterial contributed enzyme activity .

应用竞争PCR方法检测亚硝化细菌的研究

The Research of Detection Method to Nitrite Bacteria by Competitive PCR

pH值为6.5~8.5适宜亚硝化细菌的生长；

Maintaining the pH between 6.5 ~ 8.5 is suitable for the growth of ammonium oxidation bacteria .

青紫泥和滩潮土中添加Pb浓度为125~625mg/kg，对土壤硝化细菌数量和土壤微生物多样性影响不明显。

Soil Pb contamination had no effect on nitrifying bacteria and soil microbial diversity .

异养硝化细菌Bacillussp.LY脱氮性能研究

Nitrogen Removal by Bacillus sp. LY with Heterotrophic Nitrification Ability

使用好氧反硝化细菌，可以减少处理过程中加入调节系统pH的化学物质，降低成本；

Secondly , less chemicals are used for adjusting pH because of aerobic denitrifiers , that means it can curtail cost ;

油菜土壤反硝化细菌可以反映Cd浓度在3～10mg.kg-1之间污染的程度。

Denitrobacteria could indicate the pollution degree of Cd in soil with 3 ~ 10 mg · kg-1 Cd .

检测了甲霜灵在不同浓度、施入土壤后不同时间对亚硝化细菌和硝化细菌数量的影响及土壤pH值和硝化强度的变化。

The number of nitrosobacteria , nitrobacteria , pH and nitrifying capacity of soil were determined in 4-10 weeks after application of Metalaxyl .

油菜土壤的硝化细菌可以有效地表征油菜土壤Cd污染的程度和Cd污染时间的长短；

The nitrobacteria could be used as an indicator of Cd pollution degree and Cd pollution time in the cole soil .

FISH技术检测环境样品中硝化细菌与传统检测方法相比具有快速、简便、准确的优点，在研究环境微生物方面有较好的应用前景。

Compared with traditional culture method , FISH assay is faster and more accurate . Therefore it has good application prospect in detection of environmental microorganisms .

Cd对纤维素分解菌、氨化细菌、硝化细菌的作用随培养时间、Cd浓度的不同分别表现出不影响、刺激和抑制。

The effects of Cd on the cellulose decomposing bacteria , the ammonifying bacteria and the nitrobacteria varied with the culture-time and concentrations of Cd .

氮肥对小麦田土壤nirS型反硝化细菌多样性的影响

Diversity of nirS-type denitrifying bacteria under different nitrogen fertilizer management in wheat soil

对所分离出的三株高效反硝化细菌及其组合进行脱氮特性和降解PBS能力研究。

Studying the denitrification characteristics and degradation ability of PBS of the isolated three efficient denitrifying bacteria .

本论文采用以PCR技术为基础的构建基因文库的方法对长江口沉积物反硝化细菌的nirS基因的多样性进行了研究。

The diversity of denitrifying bacterial nirS gene from the sediments of Changjiang Estuary was investigated by using a PCR-based cloning approach .

60%以上NH3-N是在接触氧化池被硝化细菌氧化的；

Move than 60 % of NH3 - N is oxidized by nitrobacter in the contact - oxidization tank ;

这是因为醋酸是含有2个碳原子的有机酸，对反硝化细菌毒性大，使菌体内DNA和ATP受到破坏，细菌失去脱氮作用所致。

The reason is that acetic acid is a two & carbon organic acid which suppresses the denitrifying bacteria by disrupting their DNA and ATP , thereby depriving the bacteria of denitrification capacity .

以海藻酸钠、低聚合度PVA为包埋材料包埋海水反硝化细菌制成固定化小球对硝酸盐氮的去除效果优于高聚合度PVA包埋的小球。

Using sodium alginate , Oligomeric heterozygosity of PVA as the embedding material embedded denitrobacteria , the nitrogen removal efficiency was better than a high degree of polymerization of PVA .

本文采用活性污泥连续流反应器，探讨了好氧反硝化细菌对含硝氮废水的处理效果，并运用PCR-DGGE技术对运行期间反应器中微生物菌群结构的稳定性进行了分析。

Removal of wastewater containing nitrate nitrogen was performed using the activated sludge with aerobic denitrifying bacteria on continuous-flow reactor .

对于循环水中亚硝酸根的浓度偏高人们早有共识，认为是硝化细菌群将NH3氧化而致。

It is well known that the relatively high concentration of NO2-radical in circulating water is due to the oxidated NH3 by nitrobacteria group .

采用SBR反应器，通过间歇曝气和连续曝气方式对活性污泥体系中好氧反硝化细菌的选择和富集效果作了比较。

By adopting sequencing batch reactor , the different effects of selection and enrichment of aerobic denitrifiers in activated sludge system using intermittent aeration mode and continuous aeration mode were investigated .

同时，NH4+-N浓度的变化还影响TN浓度的变化，但在堆肥高温阶段，没有硝化细菌的硝化作用时，二者浓度几乎一致。

Meanwhile , NH4 + - N concentration also affected the TN concentration , but the high temperature phase in composting , there is no nitrification , the two concentration almost identical .

从大棚土壤中分离到一株异养型硝化细菌，命名为菌株HN，分离菌株为革兰氏染色阳性，球状或杆状。

A heterotrophic nitrifier , named strain HN , was isolated from the greenhouse soil . The cells of isolates were Gram positive , rod or coccus .

为了解富营养、氮素污染严重的胶州湾海域反硝化细菌群落的结构与组成，应用PCR技术为基础的基因文库方法对胶州湾沉积物反硝化细菌nirS基因的分子多样性进行研究。

To understand the composition and structure of denitrifying communities in the Jiaozhou Bay , the diversity of denitrifying bacterial nirS gene from the sediments of Jiaozhou Bay was investigated by using a PCR-based cloning approach .

采用MPN法对反硝化细菌进行计数，用涂布法对固氮菌进行计数。

We use MPN method to count for Denitrifying bacteria , Nitrite bacteria and Nitrobacteria , while using coating method for the Azotobacter .

在本实验中，通过运用分子生物技术FISH方法分析不同时期的活性污泥样品，发现在恒定磁场条件下的微生物群落中的AOB以及反硝化细菌生物量要高于对照组活性污泥样品。

Using FISH analysis , activated sludge samples collected by different periods found in the microbial community of AOB and denitrifying bacteria biomass in a constant magnetic field condition to be higher activated sludge samples .

NO-2也会因硝化细菌活动的加剧而增加。

NO - 2 in the surface water increased with temperature as nitrifying bacteria became active .

一株反硝化细菌LZ-14的筛选及其脱氮特性

Screening of a denitrifying bacterium strain LZ-14 and its nitrogen removal characteristics