查询词典 catalytic

This text introduces the principle of hydraulic joint crosshead of H_2 compressor in catalytic reformer and summarizes several attention items of using.

本文介绍了催化重整氢气压缩机液压联接十字头工作原理，并对使用中应注意的问题进行总结。

The relation of the synthesize conditions to the crystallinity and catalytic activity of Bi-MCM-41 was also discussed.

同时对合成机理及各种合成条件的影响进行了较为深入的探讨。

Compared with the corresponding mesoporous molecular sieve, SBU-MCM-41 showed higher above 68% catalytic activity for cumene cracking and exhibited better hydrothermal stability.

与相应的中孔分子筛相比，SBU-MCM-41的酸性增强，异丙苯裂解反应活性提高了68％以上，并且水热稳定性也有一定程度的改善。

And when Cu-MCM-41 or cupreous salt are activator, catalytic active is inferior.

而Cu-MCM-41或铜盐为催化剂时，催化活性较低。

Catalytic oxidation process of low concentration phosphine with mixed solution of cobalt and Cuprum as catalyst is studied.

研究了以Co(上标 2+)与Cu(上标 2+)不同配比混合液为催化剂对低浓度PH3液相催化氧化净化的过程。

Therefore, the subject on the catalytic curing of cyanate ester resin shows great importance in both theory and application.

因此，CE树脂的固化催化研究显示出重要的理论意义和巨大的应用价值。

Under the optimized conditions, in-situ-generated N,N -dioxide from the corresponding amide (10 mol%) and m-CPBA (20 mol%) retained the same asymmetric catalytic activity and enantioselectivity, and most of the aromatic,α,β-unsaturated, heterocyclic, aliphatic and steric hindrance ketones could be converted into the corresponding cyanohydrin trimethylsilyl ethers in up to 99% yield and 93% ee.

底物扩展证明，该有机小分子催化体系对芳香酮、杂芳香酮、脂肪酮、位阻酮以及α，β-不饱和酮都具有优良的手性诱导能力，收率高达99％，对映选择性达93％ee。

Their catalytic performances for the oxidation of cyclohexane in water under mild condition were also studied.

应用所得到的模拟酶在温和条件下以水作为溶剂、叔丁基过氧化氢为氧化剂，液相中催化环己烷的选择氧化反应。

It is of great academic and practical importance to study and develop highly efficient and environmentally friendly catalytic cyclohexane oxidation processes.

本文尝试采用普通氧化物负载的纳米金催化剂用于以氧气为氧化剂的环己烷选择性氧化反应。

The commercial process of cyclohexane oxidation to cyclohexanone and cyclohexanol shows low conversion, poor selectivity, high-energy consumption and environmental pollution. It is of great academic and practical importance to study and develop highly efficient and environmentally friendly catalytic cyclohexane oxidation processes.

现有的环己烷氧化制环己酮生产工艺，存在转化率低、选择性差、能耗高以及污染环境的缺点，研究和开发高效、环境友好的环己烷催化氧化工艺具有重要的理论意义和实用价值。

Nowadays, most of research are to build a transmutative Petri Nets through adding controlling place sets, controlling arc sets and controlling policy to the basic Petri Nets, while the Controlled Petri Nets could be used to argue many controlling theory problems conveniently and to induce many logically and physically supervisory and solve the Event Feedback Controlling Problems and State Feedback Controlling Problem in DEDS supervisory theory.

目前大多数的研究表现为在变形后的受控Petri网基础上，利用各种方法求得各种逻辑型、结构型控制器，解决DEDS监控理论中的事件反馈控制问题与状态反馈控制问题。

On one hand, there are discussions with the works council and union about extension of short time working up to the end of September.

一方面，有讨论，工程理事会和联盟关于延长工作时间短至9月底。