"unit of the heat transfer coefficient according to the Imperial system of units" . . . . "A23" . "unit of the heat transfer coefficient according to the Imperial system of units"^^ . . "Btu{IT}/(hr\u22C5ft\u00B2\u22C5\u00B0R)" . "British Thermal Unit (international Table) Per Hour Square Foot\u00A0degree Rankine"@en . "0112/2///62720#UAB099" . "0.555556"^^ . "[Btu_IT].h-1.[ft_i]-2.[degR]-1"^^ . . . "[Btu_IT]/(h.[ft_i]2.[degR])"^^ .