脱氮作用

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 .

微生物脱氮作用及对中间产物的抑制

Micro biological denitrification and the inhibition of intermediates

并提出了过量储存SND脱氮作用机理。

It also set up the mechanism of over storage-nitrogen removal with SND .

在试验条件下，系统中发生SND脱氮作用的主要作用机理是微环境理论和生物学理论，在反应初期以微环境理论为主导，而反应后期则是以生物学理论为主导。

During the trial conditions , the main mechanism of the system is micro-environment theory and biological theory . In the initial reaction , the micro-environment is the main , and the reaction later is the biological theory-driven .

实验结果表明，飞灰本身就有脱硫作用，但没有脱氮作用；

Ash can remove sulfur oxides but cannot remove nitrogen oxides .

改良A~2/O工艺预缺氧池中的脱氮作用和机理

Nitrogen Removal in Pre-hypoxia Pool by Improved A ~ 2 / O Process

微生物好氧反硝化脱氮作用研究进展

Review of Research in Aerobic Denitrification by Microorganisms

芽孢杆菌脱氮作用的研究

A Study on Denitrification of Bacillus

利用硝化-反硝化微生物脱氮作用的土地原位修复技术是解决这一问题的重要途径。

The important approach for solving this problem is in situ biological land remediation using the denitrogenation of nitrobacteria and denitrifying bacteria .

室温28℃时，往含水层中添加反硝化菌液，脱氮作用的强度以及在含水层的持续作用对硝酸盐去除都非常有效。

When added denitrifying bacteria to the aquifer at 28 ℃, the intensity and continuity of denitrification made nitrate removal more effective .

含水层中碳源的投加有利于促进微生物的脱氮作用，但并非投加量多为佳，过量的添加会促进其它菌群的大量生长繁殖而抑制脱氮菌群的优势活性。

Carbon source is conducive to the promotion of microbial denitrification , but adding excess will promote substantial growth of other bacterial groups and inhibit the advantages of denitrification activity of denitrifying bacteria .

深度的增加，地下水流速较为缓慢，含水介质粒径较小均更有利于抑制硝酸盐的流动迁移，进行生物脱氮作用。

The increase in depth , groundwater flow speed slow , the media of lower aquifer are more conducive to smaller particle for inhibiting e the flow of nitrate , the effect of biological nitrogen removal is better .

渣中加入BaO，TiO2后，对钢液脱氮的作用很明显，最低钢液氮含量达到28x10-6。

But adding TiO2 and BaO to the slag has a conspicuous effect on content of nitrogen in molten steel , 28 × 10-6 of minimum nitrogen content can be obtained in liquid steel .

计算了不同碳氮比下曝气前后期氨氮去除速率，并简要分析了好氧颗粒污泥同步硝化反硝化脱氮的作用机理。

The ammonium nitrogen removal rates before and after these phases were calculated , and the mechanism of simultaneous nitrification and denitrification in aerobic granular sludge system was analyzed briefly .

选择合适的剂油比，该工艺碱性氮的脱除率可达90%以上，硫的脱除率只有5%～10%，能起到保硫脱氮的作用，显著改善油品的氧化安定性。

Using this technology , the removal percent of basic nitrogen can reach over 90 % , while the removal percent of sulfur has only 5 % ~ 10 % , The oxidation stability of oil products were improved remarkably .

此外，石灰石脱硫产生的床料对喷氨脱氮有催化作用，可使N2O脱氮后的残留量降低三分之二左右。

Furthermore , the bed material formed in desulphurization has a catalytic effect on N2O reduction as well when NH3 is injected for NOx reduction , resulting in 2 / 3 reduction of total N2O emission .

硝酸盐在除磷脱氮中的作用

The Role of Nitrate in the Removal of Nitrogen and Phosphate

垃圾渗滤液中氨氮的超声处理研究异养硝化及其在污水脱氮中的作用

Heterotrophic nitrification and its role in the nitrogen removal in wastewater treatment

本文还讨论了吹氩搅拌和电磁搅拌对脱氮的影响作用。

The effect blow argon stirring and EMS on de nitrogen is also discussed in this paper .

土壤氮状况是一个固氮、微生物分解、硝酸化和脱氮过程的作用。

The soil nitrogen status is a function of the processes of nitrogen fixation , microbial decomposition , nitrification and denitrification .

定量分析了水耕植物过滤法中影响溶解性氮、磷去除的因素：植物吸收、底泥释放及生物脱氮三个作用。

The factors such as plant absorption , sediment release and denitrification that affect the removal of dissolved nitrogen and phosphorus by hydroponic bio-filter method ( HBFM ) were analyzed quantitatively .

TiO2的加入对非负载的Ni2P催化剂加氢脱氮性能的促进作用

Promoting effect of tio_2 addition on hydrodenitrogenation performance of nickel phosphide

本文以氯化铵和乙酸钠为碳氮源，研究其硝化活性，通过六天的氮指标检测，菌株L14和L90都有脱氮除碳的作用。

To research the ability of removal nitrogen about the strains , with ammonium chloride and sodium acetate as carbon and nitrogen source , testing the nitrogen index in the six days .

添加剂在脉冲放电烟气脱氮过程中的作用

Effects of Additives on the Removal of NO_x Using Pulsed Corona Discharge

可见，微生物在潜流型人工湿地脱氮中起主导作用，植物的存在则进一步强化了微生物的作用。

It was obvious that in constructed wetland nitrogen removal system , microbe acted a dominant role while plants further enhanced this function .

膜表面滤饼成分分析表明，除了生物去除之外，通过截留大分子溶解性和胶体含氮化合物，金属膜在脱氮方面发挥重要作用。

The component analysis of filter cake on membrane surface showed that metallic membrane played a very important role in TN removal by retaining macromolecular soluble and colloid compounds .

传统生物脱氮是指在脱氮微生物的作用下，含氮化合物相继发生硝化和反硝化转变为氮气的过程。

The traditional biological denitrification is the process that the nitrogenous compounds transformed into nitrogen by nitrification and denitrification using denitrification microorganisms .

从污水脱氮的角度论述反硝化在污水脱氮中的作用、污水脱氮的机理、污水脱氮过程中反硝化作用的影响因素等。

The application of denitrification in wastewater , the mechanism of denitrification , and the effect factors of denitrification were introduced in this paper .