.TILMedia.BaseClasses.PartialVLEFluidObjectFunctions.vapourIsothermalCompressibility_dTxi .TILMedia.BaseClasses.PartialVLEFluidObjectFunctions.vapourIsothermalCompressibility_dTxipartial function vapourIsothermalCompressibility_dTxi = TILMedia.BaseClasses.PartialVLEFluidObjectFunctionPrototypes.vapourIsothermalCompressibility_dTxi;