上游充通大￥ SHANGHAI JIAO TONG UNIVERSITY Macroscopic thermodynamics Microscopic thermodynamcis 宏观世界 统计热力学 微观世界 (热力学) (量子力学) Statistical averaging Temperature,pressure,heat etc. Molecular motion,structures, No information about atomic vibrations. structures and quantum mechanics AO TONG U! Depend heavily on the quantum mechanics Constant P,T for a system at equilibrium Atoms or molecules are in motion,and their configurations are changing constantlyMacroscopic thermodynamics Microscopic thermodynamcis Temperature, pressure, heat etc. No information about atomic structures and quantum mechanics Molecular motion, structures, vibrations. Depend heavily on the quantum mechanics Statistical averaging Constant P, T for a system at equilibrium Atoms or molecules are in motion, and their configurations are changing constantly