. . "enthalpie"@nl . . . . . . . . . . "Enthalpy is the sum of the internal energy of a system plus the product of the pressure-volume work done on the system."@en . "enthalpy"@en . . . . . "\u7113"@zh . . . . . . . . . . . . . . . . . . . . . . . . . . "H" . . . . . . . .