under external pressure
1Pressure 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… …
2Pressure suit — A pressure suit is a protective suit worn by high altitude pilots who may fly at altitudes where the air pressure is too low for an unprotected person to survive, even breathing pure oxygen at positive pressure. Such suits may be either full… …
3Pressure 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… …
4Pressure swing adsorption — (PSA) is a technology used to separate some gas species from a mixture of gases under pressure according to the species molecular characteristics and affinity for an adsorbent material. It operates at near ambient temperatures and so differs from …
5pressure — noun 1 force produced by pressing ADJECTIVE ▪ gentle, light ▪ firm ▪ downward VERB + PRESSURE ▪ apply, exe …
6Pressure volume diagram — Thermodynamics …
7Under Pressure — This article refers to the Queen David Bowie song. For other uses of the name, see Under Pressure (disambiguation) Infobox Single Name =Under Pressure Cover size = Border = Caption = Artist =Queen and David Bowie Album =Hot Space B side = Soul… …
8Pressure — This article is about pressure in the physical sciences. For other uses, see Pressure (disambiguation). Pressure as exerted by particle collisions inside a closed container …
9Pressure vessel — Vertical pressure vessels installed in a structure A pressure vessel is a closed container designed to hold gases or liquids at a pressure substantially different from the ambient pressure. The pressure differential is dangerous and many fatal… …
10Pressure gradient — In atmospheric sciences (meteorology, climatology and related fields), the pressure gradient (typically of air, more generally of any fluid) is a physical quantity that describes in which direction and at what rate the pressure changes the most… …
