.TILMedia.BaseClasses.PartialGasObjectFunctions.der_isobaricThermalExpansionCoefficient_phxi .TILMedia.BaseClasses.PartialGasObjectFunctions.der_isobaricThermalExpansionCoefficient_phxipartial function der_isobaricThermalExpansionCoefficient_phxi = TILMedia.BaseClasses.PartialGasObjectFunctionPrototypes.der_isobaricThermalExpansionCoefficient_phxi;