.TILMedia.BaseClasses.PartialGasObjectFunctions.gaseousMassFraction_psxi .TILMedia.BaseClasses.PartialGasObjectFunctions.gaseousMassFraction_psxipartial function gaseousMassFraction_psxi = TILMedia.BaseClasses.PartialGasObjectFunctionPrototypes.gaseousMassFraction_psxi;