.TILMedia.BaseClasses.PartialVLEFluidFunctions.densityDerivativeWRTspecificEnthalpy_phxi .TILMedia.BaseClasses.PartialVLEFluidFunctions.densityDerivativeWRTspecificEnthalpy_phxipartial function densityDerivativeWRTspecificEnthalpy_phxi = TILMedia.BaseClasses.PartialVLEFluidFunctionPrototypes.densityDerivativeWRTspecificEnthalpy_phxi;