sea-salt aerosol

It was proved by the simulation experiment that the low concentration of NO_2 was mainly cause by the different chemical mechanism of sea-salt aerosol and nitrogen between day and night.
化学模拟试验证明:海盐气溶胶与大气氮氧化物的日夜不同机制会使青岛市大气的NO_2浓度在夜间有显著的降低。