It is an amorphous surface after the catalytic that is basically in the flat state, with lubrication, so the friction coefficient is small, good non-adhesion function.
经催化处理后的表面是一种非晶态，即处于基本平面状态，有润滑性，因此磨擦系数小，非粘着性好。
2
To choose the proper correlation for convection coefficient is very important in modeling the temperature field in a cold-start Automotive Catalytic Converter.
为了建立汽车尾气催化转化器冷启动过程温度场变化的数学模型，必须正确地选取对流换热系数关联式。
3
The results showed, firstly, the recycle coefficient of the process can be reduced greatly in recovering methyl acetate by catalytic distillation technology;