process reaction

Lumping kinetic model has been widely used in the research of catalytic cracking and catalytic hydrogenating reaction. The mechanism and process of coking reaction for vacuum residua are analyzed, and the lumping kinetic model is used in the process of vacuum residua coking reaction.

对减压渣油焦化反应机理和反应过程进行了分析，将集总动力学模型用于减压渣油焦化反应过程，建立了减压渣油焦化反应的六集总动力学模型。

The reaction front assumption is taken to calculate the heat transfer process in this model.

该模型采用了反应前锋假设计算反应器内的传热过程。

The experiment results show that the connection zone may be divided into multicomponent eutectoid, tungsten carbide and narrow ferrite and the interface is found to be a metallurgical bond because of the element diffusion, metallurgy reaction and formation of the new compound phase during the cast-in process.

实验结果表明：结合层是由窄小的铁素体带和多元共析体+条块状WC组成，界面元素发生扩散及冶金反应并有新相产生，呈典型的冶金结合。

MINLP model for reaction network and reaction rectification process optimization has been proposed together with the application examples. It is proved that MINLP model is feasible to be used in reaction network and reaction rectification process optimization.

对反应器网络和反应精馏过程的优化提出了超结构的非线性混合整数规划模型，并给出了应用实例，证明MINLP模型应用于反应网络和反应精馏过程的优化设计是可行的。

Faced the stringent challenge of FCC process, the multi-dimensional reaction structure was pro-posed for FCC process reaction chemistry.

面对催化裂化工艺所遇到的挑战，提出了催化裂化过程反应化学的多维反应结构模式。

The reaction process is as follows.

该反应过程如下.

The partial coupling of the reaction with distillation was achieved by this process, the reaction and separation were operated simultaneously. Thus the process was simplified, together with the reactant conversion, the product selectivity and the reaction yield developed.

该工艺实现了反应与精馏单元操作的部分耦合，反应及分离可同时进行，简化了工艺流程，提高了反应物转化率、产物选择性及收率。

Through contrast tests, the best deposition process is obtained by setting deposition time as invariant, the reaction gas flow rate and deposition temperature as variables.

通过对比试验，以沉积时间作为不变因素，反应气体流量和沉积温度作为变量进行工艺研究，分析了工艺参数对成膜质量的影响。

The layer number of the graphene films is controlled by modulating the experimental conditions of the CVD process, such as reaction gas, the thickness of Ni film, growth time, and etc..

通过对反应气氛、镍膜厚度及生长时间的调控，实现了对石墨烯薄膜层数及均匀性的调节。

The theoretical model of chemical reaction dynamics is used to simulate the reaction process, and the reaction activation energy, the reaction rate constant and the reaction rate equation are obtained.

用化学反应动力学理论模型模拟了此腐蚀过程，求出了反应过程的反应活化能、反应速率常数和反应速率方程；

Mechanical milling, mixed salt reaction, self-propagating high-temperature synthesis, reactive infiltration process, solid-liquid reaction and in-situ solid reaction, and other several kinds of in-situ reaction synthesizing technologies for fabricating magnesium matrix composite are described with special reference given to their fundamental mechanisms and features.

着重介绍了机械合金化法、混合盐反应法、自蔓延高温合成法、反应浸渗法、固液反应法和原位固态反应法等镁基复合材料的制备方法及其原理与特点。