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汉语拼音：xiāo huà fǎn yìng

有机化合物分子中的氢原子被硝基(-no2)取代的反应。如苯与硝酸在浓硫酸中加热时反应生成硝基苯的反应。

• Nitration is one of a range of damaging chemical processes that are lumped together as "oxidative stress" .

  硝化反应是称为“氧化应激”的破坏性化学反应系列中的一种，它被认为和细胞衰老及心血管疾病有关。

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

  减少硝化反应。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。

• It has been shown by the test results that the denitration is mainly determined by the extent of the finished nitrification reaction.

  试验结果表明，脱氮进行的顺利与否，主要决定于硝化反应完成的程度。

• The concept of single electron transfer is used as an example to elucidate the reaction mechanism of aromatic nitration.

  文中还以实例用此理论解释了芳烃硝化反应机理。

• Therefore, ionic liquids acted as solvent or catalyst have been utilized for aromatic nitration.

  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。

• Toluene nitration was carried out with supported heteropoly acids as catalysts and N2O5 as nitrating agent.

  用负载型杂多酸为催化剂，N2O5为硝化剂的新型硝化体系，对甲苯的硝化反应进行研究。

• 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。

• Conclusion: Extraction from Corylus heterophylla leaf could reach the higher restraining effect .

  结论：榛叶提取物对亚硝化反应的抑制作用较强。

• The reaction kinetics model of bio-nitrification and the model of mass transfer in biofilm were constructed.

  研究了深床过滤条件下的生物硝化技术，建立了硝化反应动力学模型和生物膜传质模型。