查询词典 catalyst

In this paper, a single-tube wall-cooled fixed-bed reactor filled with 30 g of cylindrical catalyst was set up, and periodic operation performance was investigated.

本文在小试规模(装填30 g原粒度工业催化剂)的单管固定床反应器实验装置上，开展了丁烷选择氧化反应人为非定态操作性能的研究。

This paper propose the analytical solve of effective factor of one-dimensional cylindroid catalyst, which takes an one-order inreversible reaction, by using special functions.

利用特殊函数求出了一维圆柱形催化剂在等温一级不可逆反应中的效率因子，并对其渐进方程和普遍化效率因子进行了讨论。

The effects of initial concentration of methylorange ,pH value of solution, concentration of Cl~- and aerating oxygen or not on photocatalytic degradation rate of methylorange were investigated with anatase TiO_2 as catalyst under normal daylight lamp.

以锐钛矿型TiO2为光催化剂，以普通日光灯为激发光源，考察了甲基橙的初始浓度、溶液pH值、Cl-的浓度以及通氧与否等条件对甲基橙光催化降解速率的影响。

Reuse of the catalyst has been studied and the reason of deactivation has been discussed.

考察了催化剂的重复使用效果，探讨了催化剂的失活原因。

In this paper the deactivation of Y-type zeolite catalyst has been studied in theoretical and experimental aspects.

对苯烷基化过程中Y型分子筛催化剂的失活进行了多方面的实验研究。

The main reason of deactivation of catalyst is that the active centers are covered by organic substances.

催化剂的的活性下降的主要原因是催化剂的活性位被有机物覆盖。

The stability of V_2O_5 catalyst and the reason of catalytic deactivation were studied.

考察了催化剂的稳定性和催化剂失活的原因。

The main reason of the catalyst deactivation was the loss of the active components.

活性组分流失是催化剂活性下降的主要原因，而积炭对催化剂的活性影响不大。

How to solve the problem of catalyst deactivation by SO〓 has puzzled researchers for a long time and becomes a great challenge.

因此，如何解决NO氧化催化剂在SO〓气氛中的性能稳定性问题，是氧化吸收技术中的重点研究内容。

The reason for deactivation of supported n-Bu2SnO catalyst has been found out.

在适宜的反应条件下，n-Bu_2SnO/SiO_2催化剂上，DPC的产率为21.8％。

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。