And most of the aromatic amines come from corresponding nitro compounds.
绝大多数的芳胺都来自相应的硝基化合物。
The typical examples of the predecessors of N-nitro compounds were nitrate and nitrite.
亚硝酸化合物的前体——硝酸盐和亚硝酸盐正是这类物质的典型代表。
To study the nucleophilic addition of N-methylhydroxylamine and O-methylhydroxylamine to unsaturated nitro compounds.
研究N-甲基羟胺与O-甲基羟胺对不饱和硝基化合物的加成反应。
The pureness of the product is more than 97 percent and the yield is more than 95 percent (calculated by nitro compounds).
本发明方法制得产品的纯度大于 97％，收率大于95％（以硝基化合物计）。
A new process for the synthesis of ureas based on the selective REDOX carbonylation of amine and nitro compounds was described.
本文概述了胺硝基物选择氧化还原羰基化生成脲的新工艺路线。
In this paper carbonylation of nitro compounds with co-reagent based on secondary amine, primary amine and 4-aminopyridine is detailed.
本文介绍了二级胺、一级胺和4 -氨基吡啶为共试剂的硝基化合物的羰基化反应情况。
The removals of aniline compounds and nitro compounds were over 99.9%, reaching the National First-degree Wastewater Discharge Standard.
其中的苯胺类、硝基类的去除率达到99.9%以上，达到国家一级排放标准。
Not recommended for use in chemical acid, nitro hydrocarbons, esters, ketones and compounds in chloroform.
不建议使用于强酸、硝基烃、酯类、氯仿及酮类的化学物之中。
Rare earths were introduced into mono-copper catalyst to improve the performance of hydrogenation catalyst for aromatic nitro-compounds.
为提高芳香族硝基化合物氢化催化剂的性能，在单铜催化剂中引入稀土元素。
Nitro derivatives of Aromatic compounds is an important category of energetic compounds.
芳香族硝基化合物是一类重要的高能化合物。
The most common examples are organic compounds, isomers of nitrite esters in which a carbon atom is linked by a covalent bond to the nitro group's nitrogen atom.
最常见的例子是有机化合物，亚硝酸盐类的同分异构体，其中一个碳原子以共价键与硝基中的氮原子结合。
The main reduction methods of nitro-compounds to prepare amino-compounds were reviewed.
综述了硝基化合物还原制备氨基化合物的主要方法。
Moreover, catalytic hydrogenation can be used to the reduction of a variety of organic compounds, such as nitro, carbonyl, amino, aromatic and heteroaromatic compound, hydroxy group and carboxy group.
此外，它除了还原双键以外可以用来还原各种不同的有机化合物，如：硝基、羰基、氨基、芳香族及杂环化合物、羟基、羧基。
Nitro compound: Any of a class of chemical compounds in which the nitro group (-no2) forms part of the molecular structure.
硝基化合物：分子结构中含有硝基(-NO2)的任何一类化合物。
The spiropyrans with a nitro group at the benzopyran moiety showed reverse photochromic behavior, others were normal photochromic compounds.
在苯并吡喃部分含有硝基的螺吡喃显示出逆光致变色行为，其它的则为普通光致变色化合物。
Study on quantitative structure-activity relationship (QSAR) of nitro aromatic compounds would be helpful in researching for nitro aromatic activity.
基于定量结构-活性相关(QSAR)研究硝基苯类化合物的性质具有重要意义。
Study on quantitative structure-activity relationship (QSAR) of nitro aromatic compounds would be helpful in researching for nitro aromatic activity.
基于定量结构-活性相关(QSAR)研究硝基苯类化合物的性质具有重要意义。
应用推荐