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.
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.
通过改变加料方式来研究脲或硝基脲在硝化剂中与乌洛托品硝解碎片进行缩合反应的形式。
This paper presents the studies on the reaction form of urea or nitrourea which condenses with nitrolysis fragments of urotropine to form Keto RDX in nitrating agents.
以硝酸-醋酐混合物为环己醇的硝化剂，利用正交试验设计描述了硝酸环己酯的优化合成。
The orthogonal design was used in the optimum synthesis of cyclohexyl nitrate with the mixture of nitric acid and acetic anhydride as the nitrating agent of cyclohexanol.
研究了一种五氧化二氮为硝化剂，选择性硝化缩水甘油合成缩水甘油硝酸酯的温和、高效方法。
A mild and high efficient method to prepare glycidyl nitrate by selective nitration of glycidol with dinitrogen pentoxide as the nitrating agent was developed.
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.
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.
一定条件下该硝化剂具有较好的反应位置选择性，这一是由于反应介质低的介电常数，二是多孔载体也具有明显的作用。
In this system good regioselectivity can be achieved mainly because of the existence of a porous support and the low dielectric constant of the reaction media.
考察了酰化反应温度、酰化反应时间、硝化剂种类、水解反应时间、还原剂种类、甲酸用量等因素对各步反应收率的影响。
Factors influencing the product yield are discussed, such as nitrating agents, reductive agents, reaction temperature, reaction time, have been investigated.
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.
作为一种益生菌剂，硝化细菌已经成为水产养殖水体改良研究的热点。
As a beneficial bacteria, nitrifying bacteria have become the hot research on water quality improvement.
该文讨论了应用固体酸催化剂和载体，在醋酐存在下，采用硝酸盐和载体硝酸盐硝化甲苯和氯苯的选择性。
The regioselective nitration of toluene and chlorobenzene with nitrates and supported nitrates on solid acid catalysts and supports in the presence of acetic anhydride is studied.
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.
综述了2,6二甲基苯胺合成的研究进展，对硝化还原法、甲基化法、氨解法等合成路线及其所用催化剂进行了介绍。
The research progress in synthesis of 2, 6dimethylaniline was reviewed, and the catalysts used in various synthetic routes were introduced.
对表面活性剂和反硝化细菌协同处理含硫化亚铁颗粒污油的可行性进行了研究。
Feasibility of synergistic treatment of iron sulfide laden and stabilized slops simultaneously by use of surfactant and sulfide scavenger was studied.
可有利地使用沉淀添加剂例如硝化纤维素或明胶。
Precipitation additives such as nitrocellulose or gelatin can usefully be employed.
真正活菌—本剂使用高科技微胶囊技术，保存休眠活菌。绝非普遍称之“硝化细菌”的液态培养物。
Living bacteria - the product use the micro-capsule technology to protect the live bacteria in a dormant state. The product is not nitrifying bacteria medium.
此外，比较UY J和UJ处理结果可以推测：在有机质丰富的茶园中施用菌剂来抑制硝化作用的效果不显著。
In addition, by comparing the effect of UYJ to that of UJ, it could be speculated that the microbial agent inhibited nitrification insignificantly in tea garden soil with rich organic matter.
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.
该方法与传统的丁酮亚硝化法相比，具有操作简单、产率高的优点，而且氧化剂可再生循环使用，对环境的污染小。
Compared with the traditional method of nitrosation of butanone, this method has many advantages, such as simple operation, high yield, and low environmental pollution due to recycling of oxidant.
该方法与传统的丁酮亚硝化法相比，具有操作简单、产率高的优点，而且氧化剂可再生循环使用，对环境的污染小。
Compared with the traditional method of nitrosation of butanone, this method has many advantages, such as simple operation, high yield, and low environmental pollution due to recycling of oxidant.
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