diffusivity
n. 扩散率;[物] 扩散性
例句
The thermal diffusivity of steel and graphite is measured.
测量了钢和石墨的热扩散率。
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。
There is a maximum of the surface diffusivity in high surface coverage.
在表面覆盖度比较高时,表面扩散系数有一极大值。