通过将轻催化石脑油和催化循环油与水蒸汽一起注入FCC提升管反应器的上游反应区提高C3和C4烯烃产率的方法。
A process for increasing the yield of C3 and C4 olefins by injecting light cat naphtha and cat cycle oil together with steam into an upstream reaction zone of a FCC riser reactor.
通过研究NEDC循环工况下整车的瞬态排放情况，分析了减速断油及怠速停机过程中，氧浓度及温度的变化对催化器转化效率的影响。
The influence of oxygen concentration and temperature on the conversion efficiency of catalytic converter was analyzed by examing the transient emission in NEDC(new European driving cycle).
这种力量或流化催化剂在反应器和再生器之间不断循环，用空气、油蒸气和蒸汽作为输送介质。
This power, or fluid catalyst, is continuously circulated between the reactor and the regenerator, using air, oil vapor, and steam as the conveying media.
该方法应用于催化裂化十集总动力学模型轻循环油反应网络动力学参数估计，降低了搜索算法对初值和实验误差的要求，保证了收敛稳定性。
The new method not only lowered the requirements to initial values, but also insured the convergence stability in using it to predict the parameters of the rate consta…
该方法应用于催化裂化十集总动力学模型轻循环油反应网络动力学参数估计，降低了搜索算法对初值和实验误差的要求，保证了收敛稳定性。
The new method not only lowered the requirements to initial values, but also insured the convergence stability in using it to predict the parameters of the rate consta…
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