查询词典 catalytic

NiFe hydrogenase and hydrogenase are the main types of hydrogenases and have different structures but similar catalytic mechanism.

氢酶主要有氢酶和氢酶两种，具有不同的结构，但催化机理是相似的。

This paper summarizes the types of hydrogen-producing microbes, the research on biohydrogen metabolism and the catalytic mechanism of hydrogenase, and brings forward the prospect.

本文主要综述产氢微生物的种类、微生物产氢代谢途径和关键酶催化机理，并展望微生物产氢研究的发展方向。

They have been employed in many selective hydrogenation and exhibit excellent catalytic properties.

它已在大量选择加氢反应中显示了优异的催化性能。

Thus, it is practically significant to develop a new catalyst with high catalytic property for m-dinitrobenzene hydrogenation.

因此，研制和开发性能优良的加氢催化剂具有重要的现实意义。

During the process of catalytic hydrogenation, catalyst is one of the most factors that determine the cost and the qualities of products.

在催化选择加氢中，催化剂是影响产品成本及产品质量的重要因素之一。

In the catalytic hydrogenation and Li ion battery preparation, the performance is not satisfied.

但催化加氢和制备锂离子电池的效果一般。

We have prepared Cu/SiO2 catalyst by impregnation method and researched their catalytic performance over the hydrogenolysis glycerol to 1,2-PDO.

取得的主要结果如下：采用浸渍法制备了具有不同铜负载量的Cu/SiO2催化剂并考察了催化剂的反应性能。

The influence of addition of Re species and the preparation methods of the ZrO2 support on the catalytic performance of Ru/ZrO2 and Ru-Re/ZrO2 catalysts for glycerol hydrogenolysis were investigated.

考察了Re组分及ZrO2载体制备方法对催化剂在丙三醇氢解制丙二醇反应中的催化性能的影响。

The transition metal carbides were a new class of catalysts which had good catalytic activity and selectivity and were widely used in hydrogenolysis,dehydrogenation,desulfidation,denitrification,reforming,and other hydrocarbon conversion reactions.

过渡金属碳化物作为一种催化新材料得到了人们广泛的关注，在催化加氢、脱氢、脱硫、脱氮和重整等方面，表现出优良的催化活性和选择性。

This wor k deals with the effects ten of bromides and iodobenzene in catalytic hydrogenolysis debenzylation of 2,4,6,8,10,12-Hexabenzyl-2,4,6,8,10,12-hexaazaisowurtzitane.

研究了溴苯等10种溴化物及碘苯在六苄基六氮杂异伍兹烷催化氢解脱苄中的作用。

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％。