As a good nitrating agent, N2O5 has been widely used in the nitration of aromatic compounds.
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。
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.
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。
Factors influencing the product yield are discussed, such as nitrating agents, reductive agents, reaction temperature, reaction time, have been investigated.
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。
According to the practice of nitrochlorobenzene production in our plant, the effects of composition of mixed acid, temperature and stir on nitrating reaction.
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。
A mild and high efficient method to prepare glycidyl nitrate by selective nitration of glycidol with dinitrogen pentoxide as the nitrating agent was developed.
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。
The types, technology and characteristics of the "green" nitration for preparing nitric esters using dinitrogen pentoxide as the nitrating agent were introduced.
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。
Since the particle nitrogen content of the metal powder of the invention is equal, the leakage current and losses are low compared with previous nitrating method.
和以往掺氮方法相比，由于本发明金属粉末中粒子含氮量均匀，因而漏电流低，损耗低。
The nitrating agent of conventional method is high concentration nitric acid, which has disadvantages such as low nitrification ability, large waste acid yield, etc.
传统制备方法中使用的硝解剂为高浓度硝酸，它具有硝解产率低、废酸产量大等缺点。
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.
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。
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.
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。
An improved scheme is presented to raise the heat exchange effect of annular nitrating pot, based on the simulation values of the fluid field in the current annular nitrating pot.
在对现有环形硝化器内部流场的分析模拟结果的基础上，提出改进的方案，以求提高环形硝化器的换热效率。
The invention relates to a nitrating method of a valve metal powder, and a nitrogenous tantalum powder and a nitrogenous niobium powder which are obtained by the nitrating method.
本发明涉及阀金属粉末的掺氮方法，以及通过该方法获得的含氮钽粉和含氮铌粉。
The invention relates to a nitrating method of a valve metal powder, and a nitrogenous tantalum powder and a nitrogenous niobium powder which are obtained by the nitrating method.
本发明涉及阀金属粉末的掺氮方法，以及通过该方法获得的含氮钽粉和含氮铌粉。
应用推荐