.TILMedia.BaseClasses.PartialGasObjectFunctions.gaseousMassFraction_phxi .TILMedia.BaseClasses.PartialGasObjectFunctions.gaseousMassFraction_phxipartial function gaseousMassFraction_phxi = TILMedia.BaseClasses.PartialGasObjectFunctionPrototypes.gaseousMassFraction_phxi;