.TILMedia.Internals.GasConfigurations.AnalyticDerivatives.GasObjectFunctions.specificEntropy_pTxi .TILMedia.Internals.GasConfigurations.AnalyticDerivatives.GasObjectFunctions.specificEntropy_pTxifunction specificEntropy_pTxi = TILMedia.Internals.GasObjectFunctions.specificEntropy_pTxi;