查询词典 catalytic

A review is presented on carbon dioxide as oxidant in alkanes catalytic conversion in the last 30 years.

本文综述了近年来国内外有关利用二氧化碳作为氧化剂在烷烃催化转化反应中的研究状况。

The catalytic effect of 1 and 2 is more efficient. TBHP is the appropriate oxidant of this reaction.

以TBHP为代表的有机过氧化物是该反应的合适氧源。

The experimental process on synthesis of roxithromycin was studied by using erythromycin oxime and MEMC as raw material under the catalytic action of anhydrous sodium carbonate.

研究了以无水碳酸钠为催化剂，红霉素肟与甲氧基乙氧基氯甲醚为原料，一步合成罗红霉素的实验过程。

In order to probe into the mechanism of VO2/silica gel catalytic ozonization degrading sulfosalicylic acid, different technological parameters were investigated and changes of catalyst active components were analyzed.

通过对不同工艺参数的考察及催化剂活性组分变化的分析，探讨了VO2／硅胶催化臭氧化降解磺基水杨酸的机理。

The coupling reaction of the building block in the presence of catalytic amount of palladium was investigated.

含氟砌块与末端炔烃在温和的条件下高产率地生成相应的烯炔偶联产物。

The application and mechanism of heterogeneous catalytic ozonafion process were reviewed in this pap...

该文综述了该技术在水处理中的应用及其反应机理。

Papain digestion of proteins have a catalytic role to improve protein absorption, retention and muscle growth.

木瓜酶对蛋白质的消化有促进作用，能够改善蛋白质的吸收、存留与肌肉生长。

The relation of catalytic activity of Pt-M/C and the doped metal amountsexhibits parabolic curve shape, i.e."volcano" shape.

Ni、Co、Fe、Mo与Pt形成的Pt-M／C催化剂的活性与合金中元素M的掺杂量呈抛物线形关系，即"火山型"关系。

The Experiment with paraffin as the main raw material, its catalytic oxidation of a modification of wax.

实验以石蜡为主要原料，对其进行催化氧化改性制备出氧化蜡。

The catalytic activity declined as the selectivity of paraxylene and ortho-xylene improved with increasing treated temperature.

随着处理温度的提高，催化剂的活性降低，对二甲苯和邻二甲苯的选择性上升。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷