.TILMedia.BaseClasses.PartialGasObjectFunctions.der_densityDerivativeWRTspecificEnthalpy_phxi .TILMedia.BaseClasses.PartialGasObjectFunctions.der_densityDerivativeWRTspecificEnthalpy_phxipartial function der_densityDerivativeWRTspecificEnthalpy_phxi = TILMedia.BaseClasses.PartialGasObjectFunctionPrototypes.der_densityDerivativeWRTspecificEnthalpy_phxi;