医院是病原菌与易感人群相对集中的地方,空气中气溶胶[1]所含致病微生物浓度高于一般的环境,因此控制医院环境卫生,减少因空气污染造成的医院感染是很有必要的。目前国内医院环境空气消毒方法各异,大部分使用紫外线、臭氧以及化学消毒药物等传统消毒方法。这些方法都有一定的局 Hospital is a relatively concentrated pathogenic bacteria and susceptible populations, airborne aerosol [1] contains higher than the concentration of pathogenic microorganisms in the environment, so the control of hospital environmental health and reduce the air pollution caused by nosocomial infections is necessary . At present, domestic hospitals have different methods of disinfection of ambient air, most of which use traditional disinfection methods such as ultraviolet light, ozone and chemical disinfection drugs. These methods have a certain game