"1" . "false" . . . "1" . "mole_fraction_of_methyl_bromide_in_air"@en . "SDN:P07::CFV8N40" . . "2008-04-15 14:00:00.0" . . "Mole fraction is used in the construction mole_fraction_of_X_in_Y, where X is a material constituent of Y. The chemical formula of methyl bromide is CH3Br."@en . . . "accepted"@en . "SDN:P07::CFV8N40" . . "" . . "2008-04-15 14:00:00.0" . "SDN:P07::CFV8N40" .