partial function densityDerivativeWRTmassFraction_pTxin extends TILMedia.BaseClasses.PartialVLEFluidFunction; input TILMedia.VLEFluidTypes.BaseVLEFluid vleFluidType "VLEFluid type" annotation( choicesAllMatching = true); input SI.AbsolutePressure p "Pressure"; input SI.Temperature T "Temperature"; input SI.MassFraction[:] xi = TILMedia.Internals.massFraction_mixingRatio(vleFluidType.mixingRatio_propertyCalculation) "Mass fractions of the first nc-1 components"; input Integer compNo "Component ID"; output SI.Density drhodxi_ph "Derivative of density wrt mass fraction of water at constant pressure and specific enthalpy"; end densityDerivativeWRTmassFraction_pTxin;