.TILMedia.BaseClasses.PartialGasFunctions.densityDerivativeWRTmassFraction_pTxin .TILMedia.BaseClasses.PartialGasFunctions.densityDerivativeWRTmassFraction_pTxinpartial function densityDerivativeWRTmassFraction_pTxin = TILMedia.BaseClasses.PartialGasFunctionPrototypes.densityDerivativeWRTmassFraction_pTxin;