.TILMedia.BaseClasses.PartialGasObjectFunctions.saturationMassFraction_psxi .TILMedia.BaseClasses.PartialGasObjectFunctions.saturationMassFraction_psxipartial function saturationMassFraction_psxi = TILMedia.BaseClasses.PartialGasObjectFunctionPrototypes.saturationMassFraction_psxi;