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.
研究了水稻、大麦根际和根际反硝化细菌的生态分布。
The ecological distribution of denitrifying bacteria on rhizoplane and in rhizosphere of rice and barley was studied.
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.
建立一种简单的方法来建立兔硝化膜条件反射动物模型是一项探索性研究。
It is a exploring research on a simple and easy method for establishing the animal model of nictitating membrane conditioned reflex with rabbit.
此时，硝化棉纤维纸上的细菌仍旧不可见。
At this point, the bacteria on the nitrocellulose paper remain invisible.
对此的硝化会生成二硝基甲苯。
有人建议在硝化之前，把甘油聚合。
Some people proposed polymerizing the glycerine prior to nitration.
对此的硝化会生成二硝基甲苯。
他们能将甲烷硝化成硝基甲烷。
然后将古尔胶和硝化淀粉搅拌进去。
每种自动安全装置应在每次硝化前进行检验。
The efficiency of any automatic safety device should be checked before every nitration.
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 autotrophic denitrification in a packed bed reactor.
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.
硝化处理效率低是硝化处理工艺的主要问题。
Low nitrification efficiency is the main problem from the process of nitrification.
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.
有些真菌和细菌能在好气条件下进行反硝化。
Some fungi as well as bacteria can denitrify under aerobic environment.
无环醇及其卤化、磺化、硝化或亚硝化衍生物。
Acyclic alcohols and their halogenated, sulphonated, nitrated or nitrosated derivatives.
烃的磺化、硝化或亚硝化衍生物，不论是否卤化。
Sulphonated, nitrated or nitrosated derivatives of hydrocarbons, whether or not halogenated.
电子受体的种类是启动反硝化除磷反应器的关键。
The key of the SBR startup was the nature of the electron acceptors.
传统生物脱氮包括好氧硝化和缺氧反硝化两个过程。
Conventional bioremoval of nitrogen involves two processes: aerobic nitrification, and anaerobic denitrification.
根据试验结果，对同时硝化反硝化一个代表周期作了分析。
One typical cycle of SND was analyzed on the basis of the results.
介绍了硝化促进剂hb-1在污水处理装置中的应用情况。
The application of nitrification accelerator HB - 1 in wastewater treatment plant was introduced.
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.
大气中的一氧化二氮污染通常由纤维和其他有机物质的硝化作用产生。
Nitrous oxide pollution of the atmosphere occurs usually from the nitration of cellulose and other organic materials.
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.
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.
本试验采用15n同位素标识技术对生物硝化及反硝化过程进行了研究。
Laboratory experiment used 15n isotope identification technology to study the process of microbial nitrification and denitrification.
通过试验发现HRT、进水氨氮和外碳源对生物硝化和反硝化有重要影响。
It is found that HRT, influent ammonia nitrogen and external carbon source have significant effect on biological nitrification and denitrification.
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