. "1" . . "false" . . "SDN:P07::CFV7N53" . . . "SDN:P07::CFV7N53" . . "Mole fraction is used in the construction mole_fraction_of_X_in_Y, where X is a material constituent of Y."@en . . "accepted"@en . "" . . . "SDN:P07::CFV7N53" . "1" . "2007-11-21 17:19:40.0" . "mole_fraction_of_gaseous_elemental_mercury_in_air"@en . "2007-11-21 17:19:40.0" .