First Law of Thermodynamics

First Law of Thermodynamics
  States that energy cannot be created or destroyed, but only changed from one form to another. First Law efficiency measures the fraction of energy supplied to a device or process that it delivers in its output. Also called the law of conservation of energy.

Energy terms . 2014.

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  • first law of thermodynamics — n CONSERVATION OF ENERGY * * * see l s of thermodynamics …   Medical dictionary

  • First law of thermodynamics — In thermodynamics, the first law of thermodynamics is an expression of the more universal physical law of the conservation of energy. Succinctly, the first law of thermodynamics states: DescriptionThe first law of thermodynamics basically states… …   Wikipedia

  • first law of thermodynamics — pirmasis termodinamikos dėsnis statusas T sritis Energetika apibrėžtis Termodinaminės sistemos energijos tvermės dėsnio išraiška: sistemai suteiktas šilumos kiekis eikvojamas jos vidinei energijai didinti ir darbui išorinių jėgų lauke atlikti.… …   Aiškinamasis šiluminės ir branduolinės technikos terminų žodynas

  • first law of thermodynamics — noun the fundamental principle of physics that the total energy of an isolated system is constant despite internal changes • Syn: ↑conservation of energy, ↑law of conservation of energy • Hypernyms: ↑conservation, ↑law of thermodynamics * * * :… …   Useful english dictionary

  • first law of thermodynamics. — See under law of thermodynamics (def. 1). * * * …   Universalium

  • first law of thermodynamics. — See under law of thermodynamics (def. 1) …   Useful english dictionary

  • first law of thermodynamics — Energy can be neither created nor destroyed (even though it can be changed in form or redistributed) …   Dictionary of microbiology

  • law of thermodynamics — n 1) CONSERVATION OF ENERGY called also first law of thermodynamics 2) a law in physics: mechanical work can be derived from the heat in a body only when the body is able to communicate with another at a lower temperature or all actual… …   Medical dictionary

  • First law (disambiguation) — First Law is a science fiction story by Isaac Asimov.In physics, there are two laws commonly known as the first law: * Newton s first law of motion * First law of thermodynamics See also * Second law * Third law …   Wikipedia

  • law of thermodynamics — noun (physics) a law governing the relations between states of energy in a closed system • Topics: ↑physics, ↑natural philosophy • Hypernyms: ↑law, ↑law of nature • Hyponyms: ↑ …   Useful english dictionary

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