m2/(s?Pa) and the ideal selectivity of H2/N2 and H2/C3H8 was 4.21 and 7.56, which are higher than the respective Knudsen diffusion ratios of 3.74 and 4.69.

• m2/(s?Pa)；H2/N2的理想分离系数达到4.；21；H2/C3H8的理想分离系数达到7