【摘要】 采集了173个大气样品,测定其HNO₃含量,同时测定了O₃、NO₂、NH₃、t、RH,并对数据进行了多元逐步回归处理。结果表明,O₃与HNO₃相关最好。与HNO₃呈正相关的是O₃、NO₂、t;呈负相关的是NH₃、RH。通过HNO₃、NH₃的浓度,计算了平衡常数,证明在低湿度下大气中存在固态NH₄NO₃与气态HNO₃、NH3的平衡。更多还原

【Abstract】 The concentrations of HNO3, NO2, O3, and NH3 in 173 samples collected during 1984, 12-1986,7 were determined and the data were then analyzed using multiple regression method. The results indicated that HNO3 concentration is significantly correlated to O3 concentration. In addition, HNO3 concentration increases with the increases in temperature and O3 concentration and decreases with the increases in relative humidity and NH3 concentration. Under low relative humidity condition, HNO3 (g) and NH3 (g) reach equilibrium with NH4NO3 (s) in the atmosphere.更多还原