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Initial temperature of catalyst bed is wholly too high. 提高起始反应温度使催化剂床层温度整体过高导致飞温。
In a cold model reactor,the effects of simulated feedstock oil and gas flow on the expanding ratio of the catalyst bed were studied. 在冷模反应器内，考察了模拟原料油和气体流动对催化剂床层膨胀率的影响；
The diameter of a fixed-bed adiabatic reactor,height of catalyst bed and catalyst loading were calculated by using Runge-Kutta numerical solution method. 采用龙格-库塔数值解法，计算了不同设计方案时，固定床绝热反应器的直径、催化剂床层高度及装量；
Theresults showed that at residence time 2.4s and the reaction temperature of 393K and403K, the ethyl nitrite was converted completely at the catalyst bed height of 2m and1.5m respectively. 模拟结果表明停留时间为2.;4s;反应温度为393K和403K时;在反应器内床层高度为2m和1
This article discusses the relation among the height of catalyst bed -layer,the dissociated height of transporation(TDH),the operation of cyclone separator and the loss of catalyst in the regenerator. 讨论了再生器中催化剂床层高度,输送分离高度(TDH),旋风分离器操作与催化剂跑损的关系,提供了监控再生操作,降低催化剂跑损的措施。
When operation shut down, the valency of vanadium in some catalysts rose owing to penetration of air through the catalyst bed. 有些催化剂在停车状况下,空气通过催化剂床层而导致催化剂中钒价态升高,催化剂活性下降。
Eric J Werninmont,Dick Durant.State of art high performance hydrogen peroxide catalyst beds[R].AIAA 2004-4147. 杨黄河.;过氧化氢分解反应及其催化剂的研究[D]
The overall height of catalyst bed as well as the optimal feeding point was obtained for different detritiation efficiency under specific mass transfer coefficient of catalysts. 根据不同的催化剂传质性能,计算了为达到特定脱氚率和电解池浓缩倍数所要求的交换床总高度和进液位置。
There is a problem of pressure drop rising during coker gasoline hydrorefining in the catalyst beds of unit1-B of SINOPEC Guangzhou Company. 广州分公司加氢精制(一)B装置在进行焦化汽油加氢精制过程中存在催化剂床层压降升高过快的问题。
The ammonia synthesis catalyst is activated by circulating syngas through the catalyst beds under slowly increasing temperature. 这是关于合成氨催化剂升温活化的内容。
The brook warbled over its rocky bed. 小溪潺潺流过多石的河床。
A stationary target is easiest to aim at. 静止的目标是最容易瞄准的。
She rushed off to work leaving her bed unmade. 她匆忙去上班连床都没铺好。
A mosquito netting completely surrounds our bed. 一顶蚊帐把我们的床完全围住了。
It was hard work getting the children off to bed. 哄孩子们去睡可不是容易的事。
I threw off my clothes and tumbled into bed. 我脱掉衣服倒在床上便睡了。
I usually go to bed at half past ten. 我通常十点半睡觉。
He lay face downwards on his bed. 他俯卧在床上。
Please unplug the TV before you go to bed. 临睡前请拔下电视机的插头。
The offer of a new job provided just the catalyst she needed. 这份新工作正是她所需要转变的契机。