Research on the Pore Evolution of Sandstone in Cold Regions under Freeze-Thaw Weathering Cycles Based on NMR

<div>The change in the permeability with the freeze-thaw weathering cycles.</div>

Geofluids

Figure 9: Research on the Pore Evolution of Sandstone in Cold Regions under Freeze-Thaw Weathering Cycles Based on NMR 