“partial pressure”的概念、定义、翻译、参考文献-科学参考

partial pressure

Physics

Chemistry

Chemical Engineering

The pressure exerted by a gas or vapour in a mixture at constant temperature that the gas would exert if it alone occupied the whole volume actually occupied by the mixture. The ratio of partial pressures in a mixture of gases is therefore the same as the ratio of volumes. The partial pressure of a component within a mixture of liquids is the product of the vapour pressure of the pure component and its mole fraction in the liquid phase. The partial pressure, p, of a component, i, of a gas mixture is directly proportional to the total pressure, p, where for an ideal gas:
$p_{i} = y_{i} p$

where y_i is the mole fraction in the vapour phase.

Geology and Earth Sciences

In a mixture of gases, the partial pressure of any one is the pressure it would exert alone in the same space as that occupied by the whole. The interaction of the partial pressures of each of the gases equals the total pressure of the mixture.

单词	partial pressure
释义	partial pressure Physics See Dalton’s law. Chemistry See Dalton’s law. Chemical Engineering The pressure exerted by a gas or vapour in a mixture at constant temperature that the gas would exert if it alone occupied the whole volume actually occupied by the mixture. The ratio of partial pressures in a mixture of gases is therefore the same as the ratio of volumes. The partial pressure of a component within a mixture of liquids is the product of the vapour pressure of the pure component and its mole fraction in the liquid phase. The partial pressure, p, of a component, i, of a gas mixture is directly proportional to the total pressure, p, where for an ideal gas: $p_{i} = y_{i} p$ where y_i is the mole fraction in the vapour phase. Geology and Earth Sciences In a mixture of gases, the partial pressure of any one is the pressure it would exert alone in the same space as that occupied by the whole. The interaction of the partial pressures of each of the gases equals the total pressure of the mixture.
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