硝化反应

Br（？）nsted酸性离子液体存在下乌洛托品和甲苯的硝化反应研究

Study on Nitration of Hexamethylenetetramine and Toluene in Presence of Br (?) nsted Acidic Ionic Liquids

利用全氟壬烯-甲苯两相体系研究甲苯的硝化反应。

Nitration of toluene with fluorous biphase system was studied by using the perfluorous nonene as solvent .

利用HPLC研究了苯酚的两相硝化反应。

With HPLC the two-phase nitration of phenol is stud-ied .

在生理pH条件下柠檬酸铁和草酸铁对硝化反应无影响。

At physiological pH , ferric citrate and ferric oxalate have no effects on the reaction .

影响硝化反应效果的因素顺序为：装瓶量温度pH接种量。

The order of factors affecting nitrification effect is as follow : bottling capacity temperature pH inoculation .

EVA悬浮填料的制备及硝化反应的研究

Preparation and Nitration Research of Highly Foamed EVA Suspension Carrier

N，N－二甲基苯胺的亚硝化反应在一定酸度（pH≤4.70）条件下发生。

When the reaction of N , N-dimethyl aniline with the requirments of nitrite at different acidity , there are three products .

0.66kg-NB/kg-cat·h。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 .

NH4~+-N由于硝化反应，随时间的增加浓度减小。

Concentration of NH_4 ~ + - N was decreased because of nitrification .

H2SO4/MCM-41上苯的气相硝化反应

Vapor-Phase Nitration of Benzene to Nitrobenzene on H_2SO_4 / MCM-41

Brφnsted酸性离子液体中芳烃硝化反应的研究

Nitration of Aromatic Compounds in Br φ nsted Acidic Ionic Liquid

高分子负载Yb（NTf2）3催化酯化及硝化反应

Polymer-Supported Yb ( NTf_2 ) _3 as Catalyst for Esterification and Nitration

去除BOD和硝化反应可以通过单独的一步反应实现，不需要变更操作。

BOD removal and nitrification can be achieved in a single step of treatment with no change in operation .

其中，中温、高TIC浓度的启动方式为今后低基质浓度的亚硝化反应器的快速启动提供了参考与借鉴。

The startup mode of high TIC and mild temperature provided a reference for the quick startup of sub-nitrifying of low substrate concentration domestic sewage .

在氮杂环亚硝化反应中，重点考察了反应中的温度、pH及浓度的影响，反应几乎等量进行，收率达到99.5%。

In the nitrosation reaction , the emphasis was placed on investigating the influences of temperature , pH and concentration . The reaction was preceded almost at equivalent amount and the yield can be as high as 99.5 % .

好氧池中投加填料有利于装置的硝化反应，提高了氨氮、TN的去除，COD、TP的去除率也有所提高。

It was conducive to the nitrification after dosing filler to aerobic pool , and increasing the removal of ammonia and TN. The removal of COD and TP also increased .

而在SBR好氧阶段氨氮随着曝气时间的延长降低；硝态氮则随曝气时间的延长升高，直至硝化反应结束达一峰值，而后在厌氧反硝化段其浓度显著下降；

Saltpeter-state nitrogen is rising with the prolonging of air exposing time , till to the peak at the end of nitrifying reaction , and then in the anaerobic anti-nitrifying the density declines evidently ;

在温度为25℃、pH为7.0及好氧的条件下，通过调节亚硝酸型硝化反应器中的曝气量，成功的将氨氮控制在半硝化状态；

The parameters of the nitrous nitrification bioreactor fed with synthetic wastewater were as follows : operating temperature 25 C , pH value 7.0 . According to adjusting to the quantity of air feed , The laboratory-scale nitrous nitrification bioreactor was successfully started up .

SOUR表征的微生物活性与系统的硝化反应过程有良好的相关性，复合铁酶促活性污泥初始SOUR值大于对比活性污泥，且硝化反应较早达到稳定。

Good correlation was demonstrated between SOUR and nitrification , the initial value of ferric enzymatic activated sludge is higher than conventional activated sludge , and the enzymatic activated sludge have a better function of nitrification .

在0.6mol/L盐酸中，甲基橙与NO-2的亚硝化反应产物在极谱仪上于-0.31V（vs.SCE）可获得灵敏的极谱波。

The nitrosation product can produce a sensitive polarographic wave at - 0 31V .

原水中氨氮和亚硝氮的去除由化能自养的氨氧化细菌（AOB）和亚硝酸盐氧化细菌相继完成，其中由AOB完成的将氨转化为亚硝酸盐的过程是硝化反应的限速步骤。

Nitrification is the process of converting ammonia to nitrate via nitrite and is catalyzed by aerobic chemoautotrophic ammonia-oxidizing bacteria ( AOB ) and nitrite-oxidizing bacteria .

活性炭负载P-Mo-W杂多酸催化苯硝化反应活性的研究

Nitration Reaction of Benzene Catalyzed by P-Mo-W Heteropoly Acid Supported on Activated Carbon

结果表明，用δ15N标识技术检测反硝化反应的定性定量关系行之有效；

The results have demonstrated that the δ 15N based identification technique was beneficial for establishing quantitative relationships of the nitrogen compounds / biomass involved in both nitrification and denitrification reactions .

本论文主要得到以下结论：1.以锯末biochar为对象，经过硝化反应和还原反应，制备了氨基官能团改性的生物炭。

Several main conclusions of this research are as follows : 1 . Amino modified biochar was prepared by nitration substitution and reduction reactions using sawdust char as initial raw material .

为了揭示生物陶粒硝化反应器中活性污泥的微生物种群多样性，从运行不同时期的反应器中提取活性污泥，利用PCR-DGGE技术初步分析了生物陶粒反应器细菌的种群演替情况。

To reveal microbial diversity of activated sludge in bio-ceramic reactor , sludge different periods were sampled and denaturing gradient gel electrophoresis ( DGGE ) was applied to analyze the shift of microbial community .

对硝基间甲酚是合成著名低毒高效农药杀螟硫磷（Sumithion）的重要中间体，以往均从纯间甲酚经硝化反应合成，由于纯间甲酚来源有限。

P-Nitro-m-cresol is an important intermediate of famous insecticide Sumithion It was prepared from pure m-cresol by nitration in the past .

采用室内培养方法，研究了土壤水分含量和温度对硝化反应速度、N2O排放及施用硝化抑制剂（N-Serve）和土壤掺砂对N2O排放的影响。

Laboratory incubation experiments were carried out to investigate effects of soil moisture and temperature on ( nitrification ) rate and N_2O emission , and effects of nitrification inhibitor ( N-Serve ) incorporated with sand on N_2O emission .

在5个几何相似的具有双排蛇管的模拟硝化反应器中，测定了不同工况下液液湍流搅拌分散系统的Sauter直径和固液混合系统两相的停留时间分布（RTD）。

The average liquid-drop diameter ( Sauter diameter ) in liquid-liquid turbulence system and residence time distribution ( RTD ) of fluids in solid-liquid mixing system were determined in five geometrically similar nitration reactors installed double coil under different conditions .

PHB在生物中的累积量可以增加同步反硝化反应末期氮的去除率，但是PHB的累积会造成更多N2O的释放。OUR相对于DO更能反应N2O的释放趋势。

Although the accumulation of PHB in organisms can increase the nitrogen removal rate at the late stage of the simultaneous denitrification reaction , it will cause the high release of N2O . The release of N2O can be better examined by OUR than by DO .

因此，低水分时，施用N-Serve可抑制硝化反应；高水分时，施用砂子或砂子与N-Serve配合，可有效抑制N2O排放。

We could conclude that applying N-Serve could ( inhibit ) nitrification at low soil moisture , while at the high soil moisture , applying sand or combine applying sand with N-serve could inhibit N_2O emission efficiently .