. . "accepted"@en . . "SDN:P07::CFV7N50" . "" . "SDN:P07::CFV7N50" . "2007-11-21 17:19:40.0" . . . "2007-11-21 17:19:40.0" . . . "1" . "false" . "1" . . "Mole fraction is used in the construction mole_fraction_of_X_in_Y, where X is a material constituent of Y."@en . "SDN:P07::CFV7N50" . "mole_fraction_of_ethyne_in_air"@en .