Select Plastic Material with large thermal diffusivity.

选择热扩散系数大的塑料。

The thermal diffusivity of steel and graphite is measured.

测量了钢和石墨的热扩散率。

The turbulent diffusivity is unfavourable to ascending motion.

湍流扩散作用不利于上升运动形成。

The barrier diffusivity of coal effects its combustion greatly.

煤的灰层扩散系数对煤粒的燃烧有较大的影响。

Diffusivity is an important parameter of the mass transfer process.

扩散系数是传质过程的一个重要参数。