"false" . . "" . "2007-11-21 17:19:40.0" . . . "SDN:P07::CFV7N56" . "2007-11-21 17:19:40.0" . . "SDN:P07::CFV7N56" . . "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::CFV7N56" . . . "mole_fraction_of_propane_in_air"@en . "accepted"@en . . "1" .