.TILMedia.BaseClasses.PartialGasObjectFunctions.der_prandtlNumber_pTxi .TILMedia.BaseClasses.PartialGasObjectFunctions.der_prandtlNumber_pTxipartial function der_prandtlNumber_pTxi = TILMedia.BaseClasses.PartialGasObjectFunctionPrototypes.der_prandtlNumber_pTxi;