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en.wikipedia.org/wiki/Atmospheric_pressure

Atmospheric pressure, sometimes also called barometric pressure, is the pressure within the atmosphere of Earth In most ...

en.wikipedia.org/wiki/Standard_conditions_for_temperature_and_pressure

... dynamics the "International Standard Atmosphere" (ISA) is a specification of pressure, temperature, density ...

www.britannica.com/science/atmospheric-pressure

Atmospheric pressure can be measured with a mercury barometer (hence the ... 10 3 dynes per square centimetre, 1,013.25 millibars, one standard atmosphere,  ...

www.sensorsone.com/atm-standard-atmosphere-pressure-unit

Standard Atmosphere is mainly used as a reference value for the average atmospheric pressure at sea level. It is often used to indicate the depth rating for a ...

www.yourdictionary.com/standard-atmospheric-pressure

Standard atmospheric pressure is defined as a measure of the force onto a surface based on the weight of the air above the surface. An example of standard  ...

www.thefreedictionary.com/Standard+atmospheric+pressure

standard pressure. (redirected from Standard atmospheric pressure) Also found in: Thesaurus, Medical, Acronyms, Encyclopedia. Related to Standard ...

medical-dictionary.thefreedictionary.com/Standard+atmospheric+pressure

atmospheric pressure. (redirected from Standard atmospheric pressure) Also found in: Dictionary, Thesaurus, Acronyms, Encyclopedia. Related to Standard ...

whatis.techtarget.com/definition/standard-temperature-and-pressure-STP

Standard temperature and pressure, abbreviated STP, refers to nominal conditions in the atmosphere at sea level. This value is important to physicists, chemists, ...

units.wikia.com/wiki/Atmospheric_pressure

Standard atmospheric pressure or "the standard atmosphere" (1 atm) is defined as 101.325 kilopascals (kPa). This definition is used for pneumatic fluid power ...

www.engineeringtoolbox.com/stp-standard-ntp-normal-air-d_772.html

Since temperature and air pressure varies from place to place a standard reference is necessary for comparing the testing and the documentation of chemical ...