Figure 3
From: Self-similarity study based on the particle sizes of coal-series diatomite

Samples of raw soil (a, b), samples after drying (c, d), samples after mixing and shrinking (e), samples after crushing and shrinking to − 2 mm particle sizes (f), isothermal adsorption desorption curve (g), pore diameter distribution curves of the BJH Model (h), SSA distribution curves of the BJH Model (i), and SSA fitting curve of the BET Model (j).