Spraying disinfection of closed room for 30 min using an aerosol sprayer and a dose of 13 ml/m~3 resulted in(>90%) eliminating rate of natural bacteria in indoor air.

• 按13 m l/m3的用量以气溶胶喷雾器向密闭室内喷雾消毒30 m in,室内空气中自然菌的消亡率>90%25。