Hydration process belongs to diffusion control with exothermic reaction.
由于水合过程受气液扩散控制，并且是放热反应。
Results showed that the process was in film diffusion control in the experimental velocity range.
结果表明，在实验操作的流速范围内，过程属于外扩散控制。
The adsorption process in the experimental conditions can be considered as external diffusion control.
认为实验条件下的吸附过程属于外扩散控制。
The mechanism of particle diffusion control for ion exchange process was determined by indirect judgment method.
通过间接判断法，确定离子交换过程为颗粒扩散控制过程。
It is diffusion control at low rotating rate; catalysis reaction is control step when rotating rate reached some degree.
在低转速时是扩散控制，达一定转速后催化反应为控制步骤。
When the curing extent was about 60 percent, the molecular weight raised rapidly and diffusion control was incorporated to describe the cure in the latter stages.
当反应程度达到60%左右后，由于交联程度增加，分子质量迅速增大，分子间扩散较慢，进入反应的第二阶段，主要由扩散作用控制固化速率。
Exchange mechanisms are chiefly diffusion-control and surface-control.
交换机制主要为扩散控制和表面控制。
Exchange mechanisms are chiefly diffusion-control and surface-control.
交换机制主要为扩散控制和表面控制。
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