基于菌膜厌氧好氧工艺法流程试验，对附着微生物简短硝化的可行性进行了研究。
Based on the experiment of biofilm A/O process, the feasibility of brief-nitrification in attached microorganism system is studied.
细菌反硝化作用以及催化反硝化的各类酶的基本特性已被阐明。
Bacteria denitrification and the main characteristics of enzymes that catalyze the process were clear.
通过小试研究了曝气生物滤池实现短程硝化反硝化的效能和机理。
Study was made on the efficiency and mechanism of shortcut nitrification-denitrification in aerated biofilter.
对同时硝化反硝化的应用前景进行了展望，提出了今后的研究方向。
The application of simultaneous nitrification and denitrification is predicted and the future studying direction is put forward.
试验结果表明，保持高、低溶解氧交替的环境是实现短程硝化的关键；
The results showed that to maintain environment in which high and low DO occur alternately is the key to achieving short-cut nitrification.
并对好氧反硝化的应用前景作了展望，提出了好氧反硝化今后的研究方向。
Future application prospect and further study trend of aerobic denitrification are presented.
本发明的土壤杆菌不但具有异养硝化的能力，同时具有好氧反硝化的能力。
The agrobacterium of the invention has not only heterotrophic nitrification capability but also aerobic denitrification capability.
并对亚硝酸型硝化反硝化的应用前景进行了展望，提出了其今后的研究方向。
Moreover, the future application prospect and further study trend of aerobic denitrification were proposed.
膜生物反应器中同步硝化反硝化的发生符合反应器溶解氧分布不均理论以及缺氧微环境理论。
Nitrification and denitrification accord with the theory of maldistribution of DO and theory of deficiency of oxygen in microenvironment.
因此可以得出，好氧反应时间的控制在亚硝化阶段基本结束时是维持并稳定短程硝化的关键。
Therefore, it may be concluded that control of aerobic reaction ending at nitrosation stage is the key to the maintenance and stabilization of short-cut nitrification.
研究了低溶解氧(DO)下，在SBR和CSTR反应器内实现短程硝化的条件及其污泥性状的变化。
Study was made on the conditions in which short-cut nitrification was achieved and on the variation of sludge characteristics at low DO in SBR and CSTR.
反硝化过程中，对亚硝酸进行反硝化的速率比对硝酸盐进行反硝化的速率高1.15倍，缩短了反硝化所需时间。
In denitrification process the denitrification rate over nitrite was 1.15 times higher of that over nitrate, thus, the denitrification time was also shortened.
以稳定运行的全程硝化的生物膜反应器的一个反应单元为研究对象，通过外加氯实现对硝化反应中两类细菌的选择性抑制。
In a cell of biofilm reactor for whole-run nitrification, chlorine was added to achieve the selective inhibition to two kinds of bacteria in nitrification.
实践表明，采用生物硝化反硝化工艺可以有效解决废水中有机氮的脱除问题。
The practice demonstrates that biological nitrification and denitrification are able to give an effective solution to removal of organic nitrogen from wastewater.
固定床自养反硝化去除地下水中的硝酸盐氮。
Nitrate nitrogen removal from ground water by autotroph IC denitrification in a packed bed reactor.
把硝化棉和水的浆液转移到离心机中。
The nitrocellulose and water slurry was transferred to a centrifuge.
对此的硝化会生成二硝基甲苯。
对此的硝化会生成二硝基甲苯。
在实验室中用同位素示踪法，研究了土壤中不同石油污染量对氮矿化及硝化速率的影响。
Isotope dilution method was adopted in lab for the study of the effect of crude oil contamination on the rate of nitrogen mineralization and nitrification in soil.
前言： 简要介绍以五氧化二氮为硝化剂制备硝酸酯的“绿色”硝化反应的类型、工艺及特点。
The types, technology and characteristics of the "green" nitration for preparing nitric esters using dinitrogen pentoxide as the nitrating agent were introduced.
简要介绍以五氧化二氮为硝化剂制备硝酸酯的“绿色”硝化反应的类型、工艺及特点。
The types, technology and characteristics of the "green" nitration for preparing nitric esters using dinitrogen pentoxide as the nitrating agent were introduced.
和硝化作用有关的一个问题就是由于生成硝酸而使系统内的PH值降低。
A problem related to nitrification is a drop in PH for the system due to the formation of nitric acid.
目的：总结湿性医疗技术救治成批硝化棉烧伤的临床救治经验。
Objective: To sum up the experience with MEBT in treating patients burned by nitrocellulose in group.
结果表明，以可降解餐盒为碳源和微生物附着载体进行异养反硝化，能有效去除水中的硝酸盐。
The experimental results indicate that nitrate can be effectively removed using biodegradable meal box(BMB) as carbon source and biofilm carrier of denitrifying microorganisms.
生物滤塔能有效完成对有机物的降解和硝化作用，人工湿地进一步去除氮、磷等污染物。
The biofilter can effectively complete the organic substance degradation and nitrification, and the constructed wetland system could further remove the nutriments, such as nitrogen and phosphorus.
研究了三种土壤反硝化细菌的生态分布。
The ecological distribution of denitrifying bacteria in the three soils was studied.
氨氮负荷是影响反应器硝化性能的直接因素。
The direct affected factor of nitrification was ammonia nitrogen loading.
该方法通过改变硝化剂，不仅成功地避免了浓硫酸的使用，而且提高了原子经济性，具有良好的环境效益。
By the use of the new nitrating agent, the use of concentrated sulfuric acid was avoided and the reaction was environmental friendly with high atom economy.
依据常规生物脱氮原理，脱氮过程包括将氨氮氧化为硝酸盐氮或亚硝酸盐氮的硝化反应和将硝酸盐氮或亚硝酸盐氮还原为氮气的反硝化反应。
Based on traditional biological nitrogen removal theory, nitrogen removal involves nitrification of ammonia to nitrate or nitrite followed by denitrification of nitrate or nitrite to nitrogen gas.
依据常规生物脱氮原理，脱氮过程包括将氨氮氧化为硝酸盐氮或亚硝酸盐氮的硝化反应和将硝酸盐氮或亚硝酸盐氮还原为氮气的反硝化反应。
Based on traditional biological nitrogen removal theory, nitrogen removal involves nitrification of ammonia to nitrate or nitrite followed by denitrification of nitrate or nitrite to nitrogen gas.
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