"SDN:P07::CF12N13" . "2009-07-06 15:41:29.0" . . . "atmosphere_mass_content_of_atomic_nitrogen"@en . . "\"Content\" indicates a quantity per unit area. The \"atmosphere content\" of a quantity refers to the vertical integral from the surface to the top of the atmosphere. For the content between specified levels in the atmosphere, standard names including content_of_atmosphere_layer are used. The chemical symbol for atomic nitrogen is N."@en . "2009-07-06 15:41:29.0" . "1" . "SDN:P07::CF12N13" . "1" . . "" . . . . "false" . . "accepted"@en . "SDN:P07::CF12N13" .