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Quantitative characteristics of the microstructure of soils dried by various methods.
| Soil | Parameter | Type of Drying | ||
|---|---|---|---|---|
| Air | Conventional | Microwave | ||
| Sand | Porosity (%) | 25.5 | 18.3 | 15.2 |
| Average pore diameter (µm) | 95.2 | 98.5 | 92.3 | |
| Centroid path tortuosity | 1.42 | 1.67 | 1.85 | |
| Silty clay | Porosity (%) | 2.50 | 2.00 | 14.70 |
| Average pore diameter (µm) | 120.3 | 111.2 | 106.3 | |
| Centroid path tortuosity | 8.25 | 8.92 | 2.70 | |
