This article gives an introduction of the variations of inner energy, work and energy in the thermodynamics by means of different parameter charts.
本文通过不同参量图中的过程图线来分析热力学系统在一定过程中的内能、功和热量的变化情况。
A paradox of work done by friction is clarified, and the general format of principle of energy-work and the first law of thermodynamics are presented.
本文澄清了一个关于摩擦力做功的佯谬，并提出了功能原理与热力学第一定律的一般形式。
A paradox of work done by friction is clarified, and the general format of principle of energy-work and the first law of thermodynamics are presented.
本文澄清了一个关于摩擦力做功的佯谬，并提出了功能原理与热力学第一定律的一般形式。
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