查询词典 catalyst

Synthesis of ethylene carbonate from ethylene oxide aqueous solution and carbon dioxide with NY-2 catalyst was studied.

采用自行开发的NY-2催化剂，研究了环氧乙烷水溶液和CO2制备碳酸乙烯酯的反应性能。

This article investigates the selective hydrogenation of acetylene/ethylene mixtures over Pd-Ag series catalysts. The influence of important variable of hydrogen/acetylene ratio on the product yield pattern is discussed and cokes deposited on catalyst surface after reactions are analyzed.

本文以钯-银系列之触媒，进行乙炔/乙烯混合物之选择性氢化反应，除探讨氢气／乙炔之比例对於产物中乙烷及绿油组成分布之影响，同时说明触媒表面积碳之主要成份。

Effects of dealumination and metal modification of mordenite catalyst on synthesis of ethylenediamine were studied.

研究了丝光沸石脱铝及金属改性等对合成乙二胺反应性能的影响，通过X荧光和XRD等手段对所得催化剂进行了表征。

Appreciation is a binder of emotion, an excitant of life, a catalyst of work and also a force which urges people to advance courageously.

欣赏是情感的粘合剂，是生活的兴奋剂，是工作的催化剂，是一种催人奋进的力量。

Ionic liquid ; organic catalyst ; heavy oil upgrade ; extractive separation ; petroleum industry ; application prospect analysis

离子液体；有机催化；稠油改质；萃取分离；石油工业；应用前景分析

The difference between dynamic performance and static performance of catalyst is studied by test. And the effect of A/F ratio fluctuation with difference amplitude and frequency has been studied.

对催化剂的动态性能和静态性能进行了试验对比，并针对不同幅值和频率的空燃比波动对催化剂性能的影响进行了试验研究。

Based on the review and analysis of foreign researches, the paper presented the effet of A/F ratio fluctuation on conversion efficiency of three way catalyst.

通过对国外资料的考察分析，论述了空燃比波动对车用三效催化剂活性的影响。

The difference between dynamic performance and static performance of catalyst is studied by test.And the effect of A/F ratio fluctuation with differ-ence amplitude and frequency has been studied.

对催化剂的动态性能和静态性能进行了试验对比，并针对不同幅值和频率的空燃比波动对催化剂性能的影响进行了试验研究。

The results show that dynamic performance of catalyst is better than static performance and the selection window will be widen when the amplitude of A/F ratio fluctuation is enlarged.

结果表明催化剂在动态的性能好于静态；随空燃比波动幅值的增大，催化剂选择窗口变宽。

These results allowed for reducing the catalyst loading by a factor of 10 to as little as 0.1 mol %.

这一结果使得催化载量减少到原来的10分之一：只有0.1 mol %。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。