Research Article
Preparation of Flame Retardant Modified with Titanate for Asphalt Binder
Table 5
The design of orthogonal test.
| | | A | B | C | D | Orthogonal combination |
| | 1 | 1 | 1 | 1 | 1 | A1B1C1D1 | | 2 | 1 | 2 | 2 | 2 | A1B2C2D2 | | 3 | 1 | 3 | 3 | 3 | A1B3C3D3 | | 4 | 2 | 1 | 2 | 3 | A2B1C2D3 | | 5 | 2 | 2 | 3 | 1 | A2B2C3D1 | | 6 | 2 | 3 | 1 | 2 | A2B3C1D2 | | 7 | 3 | 1 | 3 | 2 | A3B1C3D2 | | 8 | 3 | 2 | 1 | 3 | A3B2C1D3 | | 9 | 3 | 3 | 2 | 1 | A3B3C2D1 |
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