.TILMedia.BaseClasses.PartialGasFunctions.densityDerivativeWRTspecificEnthalpy_phxi .TILMedia.BaseClasses.PartialGasFunctions.densityDerivativeWRTspecificEnthalpy_phxipartial function densityDerivativeWRTspecificEnthalpy_phxi = TILMedia.BaseClasses.PartialGasFunctionPrototypes.densityDerivativeWRTspecificEnthalpy_phxi;