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Performance and function comparison of the proposed full-outer-air-intake negative pressure ward and that of traditional technology.
| Item | Proposed full-outer-air-intake negative pressure ward | Traditional negative pressure ward |
|---|---|---|
| Introduce fresh outer air | Yes | No |
| Air cross-contamination | No | Yes |
| CO2 concentration control | Yes | No |
| Exhaust air volume control | Yes | No |
| Sensible heat exchange efficiency (ηs) | 105.88% | No |
| Air change rate (N) | Max. 54.4 times Min. 40 times |
≧12 times |
