在弱酸性条件下柠檬酸铁和草酸铁可催化硝化反应。
At weakly acidic pH the reaction can be catalyzed by ferric citrate and ferric oxalate.
探讨了汞盐和硝基苯磺酸催化甲苯硝化机理。
The mechanisms of the catalytic nitration of toluene were discussed.
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.
细菌反硝化作用以及催化反硝化的各类酶的基本特性已被阐明。
Bacteria denitrification and the main characteristics of enzymes that catalyze the process were clear.
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.
用DSC研究了硝化棉(NC, 11.92%N)的一级自催化分解反应动力学。
The kinetics of the first order autocatalytic decomposition reaction of nitrocellulose (NC, 11.92%n) was studied by using DSC.
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.
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.
在皂土硝酸盐催化下,甲苯能被浓硝酸对位选择性硝化,对邻硝化产物比率达1.0以上。
Catalytic nitration of toluene occurs by use of nitric acid in the presence of bentonite metal nitrates with useful para selectivities, up to a para to ortho ratio 1.0.
在皂土硝酸盐催化下,甲苯能被浓硝酸对位选择性硝化,对邻硝化产物比率达1.0以上。
Catalytic nitration of toluene occurs by use of nitric acid in the presence of bentonite metal nitrates with useful para selectivities, up to a para to ortho ratio 1.0.
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