.TILMedia.BaseClasses.PartialVLEFluidObjectFunctions.densityDerivativeWRTpressure_pTxi .TILMedia.BaseClasses.PartialVLEFluidObjectFunctions.densityDerivativeWRTpressure_pTxipartial function densityDerivativeWRTpressure_pTxi = TILMedia.BaseClasses.PartialVLEFluidObjectFunctionPrototypes.densityDerivativeWRTpressure_pTxi;