硝化

由于SND将硝化作用和反硝化作用结合起来在同一个反应器中同时实现，从而有可能简化工艺流程，节省处理费用。

As SND combine with nitrify and denitrify together in the same reactor , thus technological process may simplify and reduce cost .

潜流人工湿地通过硝化、反硝化、累积、降解、络合、吸附、沉淀、拦截等作用实现对去污水中TSS、有机物、N、P、金属以及病原菌的去除。

Subsurface flow constructed wetland system remove TSS , N , P , Pathogen , organic compound and metal by nitrify , denitrify , accumulation , degradation , complexing , adsorption , sedimentation , interception and so on .

硝化细菌是化能合成的自养生物。

The nitrifying bacteria are chemosynthetic autotrophs .

硝化作用是自然界N素循环的一个重要环节，对于农业生产、环境保护等都具有重要意义。

Nitrification is an important part of N cycle in nature .

反硝化作用产生的~（15）N2能被微好氧条件下生长的粪产碱菌所重新固定，电子传递过程中产生的能量支持固氮作用。

The energy generated during the electron transfer supports the nitrogen-fixation .

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

菜田氮素反硝化损失与N2O排放的定量评价

Denitrification Loss and N_2O Emission from Nitrogen Fertilizer Applied to Vegetable Field

pH值对高氨氮废水亚硝化/反亚硝化速率的影响

Effect of pH Value on Nitrosation / Denitrosation Rate for Wastewater Containing High Ammonia Nitrogen

好氧颗粒污泥同步硝化反硝化脱氮过程中N2O的产生

The Generation of N_ ( 2 ) O with SND Aerobic Granular Sludge

以pH作为SBR法硝化过程模糊控制参数的基础研究

Use of pH as fuzzy control parameter for nitrification in SBR process

培养28天时的矿化率和硝化率与土壤pH、速效P呈显著相关。

Moreover , soil N mineralization and nitrification rates were significantly related to soil pH and soil available P content .

农田土壤硝化-反硝化作用与N2O的排放

Nitrification-denitrification and N_2O emission from arable soil

USB反应器中颗粒污泥反硝化特性

Denitrification characteristics with granular sludge in USB reactor

小麦生长季N2O排放主要来自于硝化作用（贡献率为88.3%），反硝化作用的贡献率很小；

Little Drops of Water Little Voice Nitrification contributed 88.3 % to soil N2O flux of wheat season .

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 .

采用FISH、DGGE和Cloning对短程脱氮系统中硝化菌群的比较分析

Analysis of nitrifying bacteria in short-cut nitrification-denitrification processes by using FISH , PCR-DGGE and Cloning

NaCl对粉壤土氨挥发及硝化、反硝化的影响

Effect of NaCl on Ammonia Volatilization , Nitrification and De nitrification in Silt Loam Soil

土壤N2O的排放主要是土壤反硝化作用的结果。

In addition , N2O flux was mainly derived from denitrification .

投饵和放养密度对沉积物硝化、反硝化和氨化速率都有显著影响（p0.05）。

The density of sea cucumber and feed model had signification effects on nitrification , denitrification and nitrate reduction rates of sediment .

RP与CK、P处理比较，可以刺激微生物活性和增加土壤反硝化作用；

Microorganism activity at the RP treatments could be simulated and soil denitrification increased , compared with the CK and P treatments .

在USB反应器中接种活性污泥，以葡萄糖为碳源在40天内培养出良好的反硝化颗粒污泥。

Well-formed denitrifying granular sludge was obtained within 40 days when activated sludge was used as inoculum with glucose as carbon source in USB reactor .

固体酸SO4~（2－）／TiO2－SiO2对甲苯硝化的选择性催化作用

Regioselective catalysis of solid acid so 2 - 4 / tio 2 SiO 2 for the Mononitration of toluene

利用FACE（FreeAirCarbonDioxideEnrichment，开放式空气CO2浓度增高）试验平台，研究大气CO2浓度增高对土壤氨氧化细菌的数量、优势菌群及其硝化活性的影响。

A FACE system ( free-air carbon dioxide enrichment ) was used to investigate effects of elevated atmospheric CO_2 on soil ammonia-oxidizing bacterial population , dominant bacteria and their nitrification activities .

通过SBR反应器间歇试验，研究了投加外碳源后系统的反硝化潜力和反硝化速率的变化。

The variation of denitrification potential and denitrification rate after addition of external carbon sources through SBR reactor intermittent test was studied .

碳酸氢钠能够提高反硝化速率，但是MFC的产电性能降低。

Sodium bicarbonate can improve the denitrification rate , but degrade the performance of the electricity generation of MFC .

结果表明：A/O/N型工艺系统可显著提高好氧反应器的硝化过程效率，有利于提高系统的脱N率。

The experimental results show that the process of A / O / N mode can obviously enhance the efficiency of nitrification in aerobic tank and the removal efficiency of total N simultaneously .

用乙炔抑制-土柱培养法测定反硝化损失，不加乙炔培养则测定土壤N2O排放。

Ammonia volatilization was measured by an enclosure method , and N2O emission and denitrification loss were measured by without and with acetylene inhibition-soil core incubation technique , respectively .

尿素的水解和硝化在14d以前完成。

Urea hydrolysis and nitrification completed within 14 days .

详细分析了在控制DO的条件下，MBR发生同步硝化、反硝化的原因，并提出了在单级好氧反应器中控制DO可发生短程硝化&反硝化生物脱氮的机制。

The mechanism that shortcut nitrification and denitrification may occur under controlled DO in a single-stage aerobic reactor is also presented .

硝化法降解高温、高盐油田采出水中NH4~+的试验

The Experiment of Degradation NH_4 ~ + in Produced Water from High Temperature High Salt Content Oilfield by Means of Nitration Method