Core | Ko (10−3 μm2) | Kd (10−3 μm2) | Kd/Ko (%) |
150# | 4.72 | 4.31 | 91.31 |
72# | 9.95 | 9.02 | 90.65 |
98# | 10.12 | 9.30 | 91.89 |
305# | 11.53 | 10.48 | 90.85 |
17# | 12.11 | 11.02 | 91.02 |
215# | 12.86 | 11.73 | 91.23 |