first

law

about

Thermodynamics) is the conservation law of different forms of energy in the process of transmission and transformation, and the expression is q = △ u+W. Expression: Heat can be transferred from one object to another, and can also be converted with mechanical energy or other energy, but the total value of energy remains unchanged during the conversion process.

This law is passed by Meyer.

J. Joule Mayer

Many physicists such as Joule confirmed this. The first law of thermodynamics is the law of energy conservation and transformation in the field of thermal phenomena. /kloc-in the middle of the 0/9th century, it was established in the form of scientific laws on the basis of long-term production practice and a large number of scientific experiments.