Table 2 Orthogonal test.
From: Study on deterioration mechanism of soil in Zhouqiao site under salinization
Test no | Control variable | Specimen combination | ||
|---|---|---|---|---|
Salt type (A) | Salt solution concentration (B) | Drying times (C) | ||
1 | MgSO4 | 1% | 10 | A1B1C1 |
2 | MgSO4 | 3% | 20 | A1B2C2 |
3 | MgSO4 | 5% | 30 | A1B3C3 |
4 | NaCl | 3% | 10 | A3B2C1 |
5 | NaCl | 5% | 20 | A3B3C2 |
6 | NaCl | 1% | 30 | A3B1C3 |
7 | CaCl2 | 5% | 10 | A2B3C1 |
8 | CaCl2 | 1% | 20 | A2B1C2 |
9 | CaCl2 | 3% | 30 | A2B2C3 |
10 | – | – | 30 | A0B0C3 |
