查询词典 catalytic

Keywords amorphous nickel aluminium alloy catalyst;benzonitrile;benzylamine;catalytic hydrogenation

非晶态镍铝合金催化剂；苯甲腈；苄胺；催化加氢

Its catalytic performance for oxidation of benzyl alcohol with H2O2 to benzyl aldehyde was investigated.

利用XRD、BET、SEM和H2-TPR等方法对合成的催化剂进行了表征。

Design and synthesis of chiral phosphorus ligands and the applications of them in catalytic asymmetric reactions has been a hot topic. Researchers betake themselves to develop novel chiral phosphorus ligands to solve problems that the existing ones cannot do.

中文摘要手性膦配体的设计与合成及其在不对称催化中的应用一直是研究的热点领域，研究人员一直致力于开发新型的手性膦配体来解决已有配体不能解决的问题。

The effects of the composition of catalyst (the structure and amount of bident ligand and strong acid, the cocatalytic activity of Cu〓, the roles of methanol and phenol etc.) and the copolymerization condition (the reaction time, temperature, amount of ST and CO, the structure and amount of solvent etc.) on catalytic activity were studied. The principle of the copolymerization was investigated.

研究了催化体系组成（含氮双齿配体的结构与用量、强酸的结构与用量、铜盐的助催化作用、甲醇和酚类化合物作用等）和共聚反应条件（共聚反应的温度与时间、溶剂种类与用量、苯乙烯与一氧化碳量等）对溶液共聚反应的催化活性的影响，探索溶液聚合反应规律。

The effects of the composition of catalyst (the structure and amount of bident ligand and strong acid, the cocatalytic activity of Cu〓, the roles of methanol and phenol etc.) and the copolymerization condition (the reaction time, temperature, amount of ST and CO, the structure and amount of dilution reagent etc.) on catalytic activity were studied in detail. Also the optimum copolymerization condition was chosen.

深入考察了催化体系组成（含氮双齿配体的结构与用量、强酸的结构与用量、铜盐的助催化作用、醇类与酚类化合物的作用等）和沉淀共聚反应条件（共聚反应的温度与时间、稀释剂结构与用量、苯乙烯与一氧化碳量等）对该共聚反应的催化活性的影响，优化共聚反应的聚合条件。

In order to improve the catalytic activity, A series of bident ligands containing nitrogen atom were prepared by design, such as bipyridine derivatives, phenantroline derivatives, Schiff base of bipyridine etc.

为了提高催化活性，设计合成一系列含氮双齿配体，如联吡啶衍生物、邻菲罗啉衍生物、含吡啶席夫碱等。

The activities of the bimetallic catalytic system are near to or higher than Cp〓ZrC1〓.

1这些络合物与MAO组成的催化体系的催化活性都接近或高于Cp〓ZrCl〓的催化活性。

The whole-cell biocatalyst showed a good catalytic capability for repeated use, and the yield of methyl esters could still maintain 82% after it was used for 4 times.

全细胞生物催化剂在反应4次后甲酯得率仍可保持在82%，显示出良好的重复催化性能。

The results showed that water is the suitable solvent and whole-cell biocatalyst has stable catalytic activity using soybean oil containing 5%-20% water.

结果表明，水是适宜的反应溶剂，且含水量占大豆油质量5%~20%时，全细胞催化剂有很高的催化活性。

Global stock markets,"biotite pressure catalytic城城For" Let's excellent performance of Chinese concept stocks face a situation where killing, but the "crises" in the "machine", the share price decline for new investors to re-intervene in such was killing the Chinese concept stocks has provided new investment opportunities.

全球股市，"黑云压城城对催化"让我们的中国概念股的出色表现面对死亡的情况，但"危机"中的"机器"，对新投资者的股票价格下跌重新介入这些被杀害的中国概念股提供了新的投资机会。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。