Although the usual pressures typically only slightly affect the properties of condensed phases and their surface layers, in physical chemistry of surfaces, it was found a quantity, the contact angle on the three-phase contact line, that is very sensitive to pressure. In experiments with an air bubble in water stuck to a solid surface, an increase in hydrostatic pressure of less than doubled gave an increase in the contact angle of more than 10o if the angle itself was sufficient but less than 90o. Сhanging the orientation of the liquid - gas surface. If the angle (no matter sharp or obtuse) is close to 90o, the mobility of the three-phase contact line arises as an alternative way to achieve equilibrium. To explain these phenomena, a thermodynamic theory is formulated. It is shown that with a fixed line of three-phase contact, an increase in pressure in a liquid always causes an increase in the contact angle. At the same time, an increase in the hydrostatic pressure of water by two times is equivalent to an increase in the partial pressure of water vapor inside the bubble by a factor of seven.

中文翻译：

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接触角对压力有很强的依赖性

尽管通常的压力通常只会轻微影响凝聚相及其表面层的性质，但在表面的物理化学中，发现了一个量，即三相接触线上的接触角，它对压力非常敏感。在将水中的气泡粘在固体表面上的实验中，如果接触角本身足够但小于 90 度，则静水压力增加不到两倍会导致接触角增加超过 10 度。Сhanging 液体 - 气体表面的方向。如果角度（无论是锐角还是钝角）接近 90 度，则三相接触线的移动性会作为实现平衡的替代方式出现。为了解释这些现象，制定了热力学理论。结果表明，在固定的三相触点线路中，液体中压力的增加总是会导致接触角的增加。同时，水的静水压力增加两倍，相当于气泡内部水蒸气分压增加七倍。