| 变异来源 | 总和 | 自由度 | 均方 | F值 | P值 | 
| 模型 | 2912.19 | 9 | 323.58 | 9.35 | 0.0120 | 
| 模型 | 2912.19 | 9 | 323.58 | 9.35 | 0.0120 | 
| X1-投加量 | 176.72 | 1 | 176.72 | 5.10 | 0.0734 | 
| X2-PS添加量 | 1962.51 | 1 | 1962.51 | 56.68 | 0.0007 | 
| X3-pH | 61.05 | 1 | 61.05 | 1.76 | 0.2416 | 
| X1X2 | 13.32 | 1 | 13.32 | 0.38 | 0.5622 | 
| X1X3 | 7.02 | 1 | 7.02 | 0.20 | 0.6713 | 
| X2X3 | 14.44 | 1 | 14.44 | 0.42 | 0.5469 | 
| X12 | 36.25 | 1 | 36.25 | 1.05 | 0.3531 | 
| X22 | 306.32 | 1 | 306.32 | 8.85 | 0.0310 | 
| X32 | 285.39 | 1 | 285.39 | 8.24 | 0.0350 | 
| 残差 | 173.12 | 5 | 34.62 | 
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| 失拟项 | 91.28 | 3 | 30.43 | 0.74 | 0.6172 | 
| 净误差 | 81.85 | 2 | 40.92 | 
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| R2 | 0.9439 | 
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| Adjusted R2 | 0.8429 | 
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