Methyl cis-cinnamate was synthesized from ethyl trans-cinnamate by bromination, dehydrobromination, esterification and catalytic hydrogenation.

Synthesis of o phenylenediamine from o nitroaniline by catalytic hydrogenation at lower pressure was studied.

以邻硝基苯胺为原料,采用低压催化加氢还原技术合成邻苯二胺.

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Adopting superfine particle as catalytic agent will exert special influence and selectivity of the catalytic agent.

对超细粒子催化剂的应用现状作了详尽的阐述,分析了超细粒子催化剂的制备特点,指出了其发展方向.

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Alkylation of ambident nucleophiles different places by using phase-transfer catalytic agent were studied in this paper.

本文研究了在相转移催化条件下对两可亲核试剂不同位置的烷基化反应.

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A new method to recover silver from silver-bearing waste catalytic agent is introduced.

介绍了从含银的废催化剂中回收白银的一种新方法.

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The effect of Cu ~ ( ++ ), Fe ~ ( ++ ) ions on the catalytic reduction of the given dye is discussed primarily.

初步探讨了Cu~ ( ++ ) 、 Fe~ ( ++ ) 离子对染料的催化还原作用.

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Phloroglucinol was prepared from sodium trinitrobenzoate through catalytic reduction and pressurizedhydrolysis in 62 % overall yield.

三硝基苯甲酸钠经催化还原、加压水解等反应制得间苯三酚,总收率62%.

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Selective catalytic reduction ( SCR ) technology is widely used in the removal of NO _ x from exhaust gas.

选择性催化还原 ( SCR ) 法是目前普遍采用的废气催化脱硝方法.

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The study areas and application prospective of the electro catalytic reduction of CO 2 are proposed.

展望了CO2电催化还原方法的研究方向和应用前景.

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The results show that the phase transfer catalytic action of DCAS is very strong.

结果表明,DCAS具有 很好的相转移催化性能,与TBAS相当.

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The catalyst has high catalytic activity and selectivity for the prodn . of acrylamide from acrylonitrile.

本发明催化剂在丙烯腈催化合制丙烯酰胺的过程表现出很高的活性及选择性.

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The catalytic activity of Pd 0 was higher than that of PdO in the experimental condition.

Pd0的钯对混合配气的催化活性比PdO的高得多.

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At last , the relationship between the morphology of DMC complex and its catalytic activity was presented.

初步揭示了DMC催化剂的形态与其催化活性间的关系.

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The results showed that the model complexes the high catalytic activity was high.

实验结果表明,该模型化合物具有较高的催化活性.

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The catalytic activity of several common reagents in polyurethane pre-polymerization is analyzed.

分析了几种常见的试剂在 聚氨酯预聚 反应中的催化活性.

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Binding of dioxygen and catalytic activity are the promising properties.

其主要性能为结合分子氧和催化活性.

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Laccase is an enzyme with notable catalytic activity and broad source.

漆酶来源广泛、催化性能优异,在食品工业中具有应用价值.

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Results showed this catalyst has high catalytic activity and stability.

实验表明,这种固载催化剂催化活性高,重复使用性能好.

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As a new technique for disposal of contaminants, photo catalytic oxidation is being attached more importance.

光催化氧化技术作为一种新型的污染治理手段日益受到重视.

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The mechanism of pollutant degradation in wastewater by heterogeneous catalytic oxidation is primarily explored.

初步探讨了非均相催化氧化降解废水中的污染物机理.

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The articleputs forth some advice on the research and development of catalytic oxidation catalysts.

同时,对催化氧化技术的进一步研究提出了建议.

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