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first law of thermodynamics

/ˈfɜːrst lɔː əv ˌθɜːrməʊdaɪˈnæmɪks/

翻译: 物理学的基本原理,指出在孤立系统中能量既不能被创造也不能被消灭,只能从一种形式转化为另一种形式;也称为能量守恒定律。

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phrase

/ˈfɜːrst lɔː əv ˌθɜːrməʊdaɪˈnæmɪks/C1formalscientific
  • zh物理学的基本原理,指出在孤立系统中能量既不能被创造也不能被消灭,只能从一种形式转化为另一种形式;也称为能量守恒定律。

A fundamental principle of physics stating that energy cannot be created or destroyed in an isolated system, only transformed from one form to another; also known as the law of conservation of energy.

  1. Conservation of energyC1formal

    A fundamental principle of physics stating that energy cannot be created or destroyed in an isolated system, only transformed from one form to another.

    zh能量守恒定律

    • The first law of thermodynamics explains why a perpetual motion machine is impossible.
    • When you burn fuel, the chemical energy is converted into heat and light, as stated by the first law.
    • The first law of thermodynamics is used to calculate the energy balance in a steam engine.