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A diving regulator or underwater diving regulator is a pressure regulator that controls the pressure of breathing gas for underwater diving.The most commonly recognised application is to reduce pressurized breathing gas to ambient pressure and deliver it to the diver, but there are also other types of gas pressure regulator used for diving applications.
This is an accepted version of this page This is the latest accepted revision, reviewed on 23 February 2025. Regulations to reduce increases in housing rents "Rent control" redirects here. For other uses, see Rent control (disambiguation). Part of a series on Living spaces Main House: detached semi-detached terraced Apartment Bungalow Cottage Ecohouse Green home Housing project Human outpost I ...
Argon constitutes 0.934% by volume and 1.288% by mass of Earth's atmosphere. [23] Air is the primary industrial source of purified argon products. Argon is isolated from air by fractionation, most commonly by cryogenic fractional distillation , a process that also produces purified nitrogen , oxygen , neon , krypton and xenon . [ 24 ]
Radnor Township is part of the famed Main Line of Philadelphia. As of the 2019 United States census, the township's population was 31875. [3] Radnor Township is the largest municipality in Delaware County by land area and the fourth-largest by population, following Upper Darby Township, Haverford Township, and Chester. [5]
On June 1, 2011, VWR International acquired BioExpress Corp (formerly ISC BioExpress), raising concerns of monopolization of the laboratory supplies sector along with Thermo Fisher Scientific. [ 11 ] Controversy has arisen about a 2010 decision by VWR to close its unionized Brisbane, CA distribution center, moving operations to a non-unionized ...
Argon is far more narcotic (about 2.3 times more) than the cheaper and more readily available nitrogen at depth, so it loses out to nitrogen in all roles as a primary breathing gas. If the maximum operating depth for air owing to narcosis is taken to be 40 metres (130 ft), then for 20% argox (20% O 2 , 80% Ar) it would be 14.5 metres (48 ft).
Argon–argon (or 40 Ar/ 39 Ar) dating is a radiometric dating method invented to supersede potassium–argon (K/Ar) dating in accuracy. The older method required splitting samples into two for separate potassium and argon measurements, while the newer method requires only one rock fragment or mineral grain and uses a single measurement of argon isotopes.
Refining of a 9.5%CrMoWVNbN steel in an argon, oxygen decarburisation (AOD) vessel. Argonoxygen decarburization (AOD) is a process primarily used in stainless steel making and other high grade alloys with oxidizable elements such as chromium and aluminium.
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