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单词 evaporation
释义
evaporation

Physics
  • The change of state of a liquid into a vapour at a temperature below the boiling point of the liquid. Evaporation occurs at the surface of a liquid, some of those molecules with the highest kinetic energies escaping into the gas phase. The result is a fall in the average kinetic energy of the molecules of the liquid and consequently a fall in its temperature.


Chemistry
  • The change of state of a liquid into a vapour at a temperature below the boiling point of the liquid. Evaporation occurs at the surface of a liquid, some of those molecules with the highest kinetic energies escaping into the gas phase. The result is a fall in the average kinetic energy of the molecules of the liquid and consequently a fall in its temperature.


Chemical Engineering
  • The change of state from a liquid to a vapour at a temperature below the boiling point of the liquid. Evaporation occurs at the surface of the liquid in which the kinetic energy is sufficient to enable it to leave the surface as vapour. The average kinetic energy of the molecules in the liquid is therefore reduced and there is consequently a reduction in temperature resulting in evaporative cooling. See boiling.


Geology and Earth Sciences
  • See evapotranspiration.


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