Usually a pipe, known as a dip leg, is connected to this bottom outlet and, in catalytic cracking, serves to convey the solids back to the catalyst bed.
一般有一个通称为料腿的管子与此底部出口相连，在催化裂化中用此料腿将固体送回到催化剂床层。
The catalyst bed requires periodic regeneration with a stream of hydrogen diluted in hot nitrogen.
该催化剂床层需要定期用热氮中稀释的氢气物流再生。
The control of catalyst bed temperature in a fixed bed reactor during high exothermic reactions is of primary concern to designers.
在强放热反应的固定床催化反应器的设计中，床层温度的控制常成为设计的主要焦点。
Based on a thermal model of monopropellant thrust chamber system including its components such as adiabatic frame, catalyst bed, nozzle etc.
建立了单组元发动机推力室系统（包括结构部件如隔热框、催化床、喷管等）的传热模型。
The result indicates that temperature at the inlet of catalyst bed is the most optimal control parameter to realize the optimal operation of ammonia converter.
结果表明，催化床进口温度是实现氨合成塔优化操作的最优调节参数。
The method of the invention is that: inert fillers without the influence on the reaction are arranged at the bottom parts of each catalyst bed layer of a reactor.
本发明方法为：在反应器每个催化剂床层的底部装入对反应没有影响的惰性填料。
The conventional threeway catalysts are not efficient enough to remove the CO and hydrocarbons during vehicle coldstart period due to the low temperature of catalyst bed.
汽车冷启动时催化剂床层温度低，尾气中的CO和烃类不能被传统三效催化剂有效消除。
It is indicated by the operation that the bed pressure difference of the catalyst bed is obviously decreased and that the catalyst activity is not affected after water washing.
运行结果表明，水洗后催化剂床层压差明显降低，活性没有受到影响。
The heat transport of catalyst bed in industrial reactor for epoxidation of ethylene to epoxy ethane has been simulated and analyzed by pseudo-homogeneous two-dimensional model.
采用拟均相二维模型，对乙烯环氧化制环氧乙烷工业反应器的床层导热性能进行了模拟与分析。
The heat transport of catalyst bed in industrial reactor for epoxidation of ethylene to epoxy ethane has been simulated and analyzed by pseudo-homogeneous two-dimensional model.
采用拟均相二维模型，对乙烯环氧化制环氧乙烷工业反应器的床层导热性能进行了模拟与分析。
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