氮通过发生同时硝化反硝化反应而去除。
N was removed through the simultaneous nitrification and denitrification process.
利用HPLC研究了苯酚的两相硝化反应。
芳烃硝化反应的机理研究目前还存在争论。
The mechanism of aromatic nitration continues to be a subject of active research and some controversy.
用四氯化碳作溶剂，研究了氯苯的硝化反应。
The preparation of nitrochlorobenzene was studied in carbon tetrachloride.
研究了气升式硝化反应器的剪切特性及其影响因素。
The characteristics of shear rate in an airlift nitrifying bioreactor and its influencing factors were studied.
在弱酸性条件下柠檬酸铁和草酸铁可催化硝化反应。
At weakly acidic pH the reaction can be catalyzed by ferric citrate and ferric oxalate.
在乙酰化、硝化反应中引入了1,2 -二氯乙烷溶剂。
In the reaction of acetylation and nitration 1, 2? Dichloroethane was used as solvent.
离子液体也因此作为溶剂及催化剂被引入到芳烃硝化反应。
Therefore, ionic liquids acted as solvent or catalyst have been utilized for aromatic nitration.
采用调整反应温度和硝酸浓度等因素对硝化反应进行了探讨；
In the process of nitration, the synthesis temperature and the nitric acid concentration was tested.
湿地上部适合硝化反应的进行，下部则适宜反硝化反应的进行；
The upper part is suitable for the conduct of nitration, while the lower part is suitable for the conduct of denitrification;
探讨了苯硝化反应的途径，并解释了有关此反应的某些实验现象。
The reaction path for nitration of benzene can be appraised. Additionally, some experiment phenomena in connection with this reaction may be explained, too.
通过三相生物流化床处理炼油废水实验，提出了同时硝化反硝化反应。
The simultaneous nitrification and denitrification reaction is presented based on the experiments of treating refinery waste water on 3-phase fluidized-bed bioreactor.
ESR谱表明：杂多酸催化剂的钨在苯气相硝化反应中发生了还原反应。
ESR spectrum show that reduced of heteropoly acid was occurred in vapor-phase nitration reaction of benzene.
试验结果表明，脱氮进行的顺利与否，主要决定于硝化反应完成的程度。
It has been shown by the test results that the denitration is mainly determined by the extent of the finished nitrification reaction.
讨论了溶解氧质量浓度及HRT对生物硝化反应，以及氨氮去除率的影响；
The effect of the dissolving oxygen and HRT on removal efficiency or reaction processes is discussed.
采用生物膜反应器作为生物硝化反应器，以无机盐培养液完成反应器的启动。
The nitrification was studied in a contact bioreactor with synthetic medium as influent.
当短程硝化反应实现后，通过改变投药方式可节省投药量并维持短程稍化反应。
After the short-cut nitrification was realized, chemical dosage could be saved and short-cut nitrification maintained by means of changing the chemical dosing method.
N2O5作为一种优良的硝化剂，已被广泛应用于各种芳烃化合物的硝化反应中。
As a good nitrating agent, N2O5 has been widely used in the nitration of aromatic compounds.
由此可以认为，茶叶中影响N -亚硝化反应的主要成分为茶多酚，尤为茶儿茶素。
Thus, it might be concluded that blocking effect on NPRO formation was mainly due to tea polyphenolic compounds especially tea catechin in tea.
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.
根据我厂硝基氯苯的生产实践，概述了混酸组成、温度、搅拌等因素对硝化反应的影响。
According to the practice of nitrochlorobenzene production in our plant, the effects of composition of mixed acid, temperature and stir on nitrating reaction.
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.
对内环流颗粒污泥床硝化反应器的氮损失现象进行了研究，结果表明氨逃逸是氮损失的主要致因。
The nitrogen loss in internal-loop granular sludge bed nitrifying reactor was studied, and the results indicated that ammonia escape is an important factor causing nitrogen loss.
然后，她们检测这29中“候选”蛋白质中硝化反应的相对强度和形式，结果表明6中蛋白质的硝化反应大大增加。
They then measured the relative levels and patterns of nitration in the 29 “candidate” proteins and found significant increases in six of them.
研究了在稀盐酸介质中微量亚硝酸根与二甲苯蓝FF发生的亚硝化反应，建立了测定微量亚硝酸根的新方法。
A new spectrophotometric method for the determination of trace nitrite is studied. The method is based on the nitrosation reaction of xylene cyanol FF with nitrite in diluted hydrochloric acid medium.
然后，她们检测这29中“候选”蛋白质中硝化反应的相对强度和形式，结果表明6中蛋白质的硝化反应大大增加。
They then measured the relative levels and patterns of nitration in the 29 "candidate" proteins and found significant increases in six of them.
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.
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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