A．Enthalpy is a state function and an intensity property
B．Enthalpy is a physical quantity so as to study the problems
C．Enthalpy can be thought as the heat value in the system
D．When the closed system does no other work, △rH = Qp

A.肥皂水灌肠
B.生理盐水灌肠
C.弱酸性溶液灌肠
D.乳果糖灌肠