一、对热的本性的认识对热的本性的认识,在历史上有“热质说”与“热的运动说”之争,其间经历了两百余年.直到19世纪中叶热力学第一定律确立,热的运动说才获得决定性的胜利.热是组成物体的粒子的运动这一学说,使得热和机械功的等效性在概念上是可以理解的,并为机械功和热的相互 First, the understanding of the nature of heat The understanding of the nature of heat, in the history of the “heat theory” and “heat of the theory of the struggle,” during which it has been two hundred years until the mid 19th century, the first law of thermodynamics It was established that the hot movement theory gained a decisive victory. Heat is the doctrine of the movement of the particles that make up an object, making the equivalence of heat and mechanical work conceptually understandable, as well as mechanical work and hot mutuality.