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）。
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。
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。
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。
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。
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