pressure mechanism

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• Pressure cooking — is a method of cooking in a sealed vessel that does not permit air or liquids to escape below a preset pressure. Because the boiling point of water increases as the pressure increases, the pressure built up inside the cooker allows the liquid in… …   Wikipedia

• Pressure solution — or pressure dissolution in structural geology and diagenesis is a deformation mechanism that involves the dissolution of minerals at grain to grain contacts into an aqueous pore fluid in areas of relatively high stress and either deposition in… …   Wikipedia

• Pressure measurement — The construction of a bourdon tube gauge, construction elements are made of brass Many techniques have been developed for the measurement of pressure and vacuum. Instruments used to measure pressure are called pressure gauges or vacuum gauges. A… …   Wikipedia

• Mechanism of sonoluminescence — Sonoluminescence is a phenomenon that occurs when a small gas bubble is acoustically suspended and periodically driven in a liquid solution at ultrasonic frequencies, resulting in bubble collapse, cavitation, and light emission. The thermal… …   Wikipedia

• Pressure sensor — Digital air pressure sensor Compact digital barometric pressure sensor A pressure sensor measure …   Wikipedia

• Pressure Flow Hypothesis — The Pressure Flow Hypothesis, also known as the Mass Flow Hypothesis, is the best supported theory to explain the movement of food through the phloem.[1] It was proposed by Ernst Münch, a German plant physiologist in 1930.[2] A high concentration …   Wikipedia

• Pressure volume diagram — Thermodynamics …   Wikipedia

• Pressure point — For other uses, see Pressure point (disambiguation). Pressure point (穴位) Chinese name Chinese 穴位 …   Wikipedia

• pressure diuresis — increased urinary excretion of water when there is an increase of arterial pressure, a compensatory mechanism to maintain blood pressure within the normal range. See also pressure natriuresis, under natriuresis …   Medical dictionary

• pressure natriuresis — increased urinary excretion of sodium along with water when there is an increase of arterial pressure, a compensatory mechanism to maintain blood pressure within the normal range. See also pressure diuresis, under diuresis …   Medical dictionary

• pressure urticaria — a type of physical urticaria with pain, occurring hours after local pressure on the skin, usually on the feet after walking or on the buttocks after sitting; the exact mechanism behind the reaction and why it is delayed is not clear. Called also… …   Medical dictionary