"" . . "false" . "2019-05-14 17:27:19.0" . . "mass_fraction_of_cfc114_in_air"@en . "SDN:P07::CF12N352" . . . "2019-05-14 17:27:19.0" . . "SDN:P07::CF12N352" . . . "3" . . "\"Mass fraction\" is used in the construction \"mass_fraction_of_X_in_Y\", where X is a material constituent of Y. It means the ratio of the mass of X to the mass of Y (including X). A chemical or biological species denoted by X may be described by a single term such as \"nitrogen\" or a phrase such as \"nox_expressed_as_nitrogen\". The chemical formula of CFC114 is CClF2CClF2. The IUPAC name for CFC114 is 1,2-dichloro-1,1,2,2-tetrafluoroethane."@en . . . "SDN:P07::CF12N352" . "accepted"@en . "3" .