Vacuum evaporation

Vacuum Sugar Apparatus at The Great Exhibition, 1851

Vacuum evaporation is the process of causing the pressure in a liquid-filled container to be reduced below the vapor pressure of the liquid, causing the liquid to evaporate at a lower temperature than normal. Although the process can be applied to any type of liquid at any vapor pressure, it is generally used to describe the boiling of water by lowering the container's internal pressure below standard atmospheric pressure and causing the water to boil at room temperature.

单词	Vacuum evaporation
释义	Vacuum evaporation 原声例句雅思高频场景听写训练 Salt is produced using three methods: Rock salt mining, solar evaporation, and vacuum evaporation. 盐的生产有三种方法：岩盐开采、太阳能蒸发和真空蒸发。英语百科 Vacuum evaporation Vacuum evaporation is the process of causing the pressure in a liquid-filled container to be reduced below the vapor pressure of the liquid, causing the liquid to evaporate at a lower temperature than normal. Although the process can be applied to any type of liquid at any vapor pressure, it is generally used to describe the boiling of water by lowering the container's internal pressure below standard atmospheric pressure and causing the water to boil at room temperature.
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