查询词典 catalytic

A new type of polymer supported β cyclodextrin is synthesized and its effect on catalytic carboxylation of phenol with carbon tetrachloride is investigated.

制取了一类新的聚苯乙烯（交联度2％）键联β－环糊精催化剂，研究了该催化剂对苯酚与四氯化碳的羧化反应。

The extent of such carburization and carbon deposition enhanced with reduction temperature, leading to a maximum in the catalytic performance.

这种碳化并伴随积碳的程度随着还原温度的升高而增强，导致催化剂的性能呈现先增后减的趋势。

Development of catalysis applied in vehicle emission control and the theory of catalytic reaction are introduced.

本文介绍了催化剂应用于汽车尾气排放控制的发展过程和催化反应理论知识。

The effects of preparation conditions on the catalytic properties were studied.

研究了制备条件对催化剂的性能的影响。

The measurement of catalytic surface area has been, is, and will continue to demand considerable research.

催化表面积的测定无论在过去、现在和将来都需要继续进行大量的研究。

China's demand for Japan out of recession has played a catalytic role.

中国的需求对日本走出衰退起到了促进作用。

The application and mechanism of heterogeneous catalytic ozonation process were reviewed in this paper.

该文综述了该技术在水处理中的应用及其反应机理。

Therefore, it is important to grasp some knowledge of catalysts and catalytic processes.

因此，适当掌握一些关于催化剂及催化过程的知识是非常必要的。

Catalytic formation mechanism of the product was also discussed.

讨论了Fe2O3的存在对产物形成的影响。

It was found that the preparation conditions have obvious effects on the catalytic performance of the catalyst.

结果表明，制备条件对催化剂的催化性能具有很大的影响。

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％。