Table 2
Statistical results of safety restraint retention rate under different emergency levels.
| Emergency level | Pressure safety retention (%) | Flow safety retention (%) | Overall safety retention (%) | Violation events (times) | Average recovery time (min) | Penalty activation rate (%) |
|---|---|---|---|---|---|---|
| Level 1 (normal) | 99.2 ± 0.3 | 98.8 ± 0.4 | 99.0 ± 0.2 | 2 ± 1 | 3.2 ± 0.8 | 0.5 ± 0.2 |
| Level 2 (minor) | 98.5 ± 0.4 | 98.2 ± 0.5 | 98.4 ± 0.3 | 5 ± 2 | 5.8 ± 1.2 | 1.2 ± 0.4 |
| Level 3 (moderate) | 97.8 ± 0.5 | 97.3 ± 0.6 | 97.6 ± 0.4 | 12 ± 3 | 8.5 ± 1.8 | 2.8 ± 0.6 |
| Level 4 (severe) | 96.2 ± 0.6 | 95.9 ± 0.7 | 96.1 ± 0.5 | 21 ± 5 | 12.3 ± 2.4 | 5.3 ± 1.1 |
| Level 5 (critical) | 94.5 ± 0.8 | 93.8 ± 0.9 | 94.2 ± 0.7 | 35 ± 7 | 18.7 ± 3.2 | 9.6 ± 1.8 |
| Level 6 (dangerous) | 92.1 ± 1.0 | 91.2 ± 1.1 | 91.7 ± 0.9 | 52 ± 10 | 25.4 ± 4.1 | 15.2 ± 2.5 |
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