.TILMedia.BaseClasses.PartialGasObjectFunctions.der_saturationMassFraction_pTxidg .TILMedia.BaseClasses.PartialGasObjectFunctions.der_saturationMassFraction_pTxidgpartial function der_saturationMassFraction_pTxidg = TILMedia.BaseClasses.PartialGasObjectFunctionPrototypes.der_saturationMassFraction_pTxidg;