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中文摘要：
这贡献以各种各样的热力学的过程的精力，然后行为的分类的讨论开始被分析，与理想的气体和有弹性的杆的断热的压缩过程的比较伴随。所有这些分析证明理想的气体的内部精力展出热 energymechanical 精力的两重性，也就是说，内部精力在 isochoric 过程期间充当热精力，当内部精力在 isentropic 期间充当机械精力时，处理。因为理想的气体的内部精力展出热 energymechanical 精力的两重性，内部精力的如此的行为在精力变换过程期间与精力的另外的类型相当不同。因为这两重性，理想的气体的内部精力被建议被叫作在某文学显示了的热力学的精力而非热精力，尽管它由粒子的显微镜的随机的运动的动力学组成并且能仅仅被表示为温度的功能。
英文摘要：
This contribution starts with the discussion on the classification of energy, and then the behaviors of various thermodynamic processes are analyzed, accompa- nying with the comparison of the adiabatic compression process of an ideal gas and an elastic rod. All these anal- yses show that the internal energy of ideal gases exhibits the duality of thermal energy-mechanical energy, that is, the internal energy acts as the thermal energy during the isochoric process, while the internal energy acts as the mechanical energy during the isentropic process. Such behavior of the internal energy is quite different from other types of energy during the energy conversion process because the internal energy of ideal gases exhibits the duality of thermal energy-mechanical energy. Because of this duality, the internal energy of ideal gas is proposed to be refered to as thermodynamic energy rather than thermal energy as indicated in some literature, although it consists of kinetics of the microscopic random motion of particles and can be expressed as the function of temperature only.
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