正压是指一个系统(例如房间)内的压力大于该系统周围环境的压力。因此如果正压系统出现泄漏,系统内的气体会排放到周围环境中,与之相对的负压。 [1][2]
医院可能会让免疫系统疾病患者入住正压病房,此时病房内的空气将流出房间,这样任何空气中可能存在的微生物(例如细菌)将很难流入房间。 [2]
参考文献
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