first law of thermodynamics

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first law of thermodynamics

[′fərst ‚lȯ əv ‚thər·mō·dī′nam·iks]
(thermodynamics)
The law that heat is a form of energy, and the total amount of energy of all kinds in an isolated system is constant; it is an application of the principle of conservation of energy.
References in periodicals archive ?
In practice Fick's 1st Law application includes the assumption of a steady-state.
2]O emission by Fick's 1st Law occurred once in the poorly drained soil (Fig.
2]O emission was over-estimated by Fick's 1st Law at the time when the urine was applied, but probably for a different reason (Fig.