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单词 cavitation
释义 cavitation
[´kav·ǝ`tā·shǝn]
CHEMISTRY
Emulsification produced by disruption of a liquid into a liquid-gas two-phase system, when the hydrodynamic pressure of the liquid is reduced to the vapor pressure.
ENGINEERING
Pitting of a solid surface such as metal or concrete.
FLUID MECHANICS
Formation of gas- or vapor-filled cavities within liquids by mechanical forces; broadly includes bubble formation when water is brought to a boil and effervescence of carbonated drinks; specifically, the formation of vapor-filled cavities in the interior or on the solid boundaries of vaporized liquids in motion where the pressure is reduced to a critical value without a change in ambient temperature.
PATHOLOGY
The formation of one or more cavities in an organ or tissue, especially as the result of disease.
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