"tendency_of_atmosphere_moles_of_peroxynitric_acid"@en . "SDN:P07::CF12N737" . "1" . "false" . "SDN:P07::CF12N737" . . "SDN:P07::CF12N737" . "2009-07-06 15:41:29.0" . . . . "2009-07-06 15:41:29.0" . "accepted"@en . "1" . . . . "" . "\"tendency_of_X\" means derivative of X with respect to time. The construction \"atmosphere_moles_of_X\" means the total number of moles of X in the entire atmosphere, i.e. summed over the atmospheric column and over the entire globe. The chemical formula for peroxynitric acid, sometimes referred to as PNA, is HO2NO2."@en .