"\"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 nitrous acid is HNO2."@en . "1" . "false" . . . "SDN:P07::CF12N731" . "SDN:P07::CF12N731" . "2009-07-06 15:41:29.0" . . . . "tendency_of_atmosphere_moles_of_nitrous_acid"@en . . "2009-07-06 15:41:29.0" . "accepted"@en . "1" . "" . . "SDN:P07::CF12N731" .