helium operated valve

См. также в других словарях:

• Diving watch — Omega Seamaster model 2220.80, with a water resistance of 300 m (1,000 ft). The second crown (at 10 o clock) is a helium release valve. A diving watch is a watch designed for underwater diving that features, as a minimum, a water… …   Wikipedia

• Diving regulator — and Octopus Other names Demand valve Uses Reduces pressurized breathing gas to ambient pressure and delivers it to the diver Inventor Manuel Théodore Guillaumet (1838), Benoît Rouquayrol (1860) …   Wikipedia

• Rolex Sea Dweller — The Rolex Oyster Perpetual Date Sea Dweller is a line of diver s watches manufactured by Rolex, with an underwater diving depth rating of convert|610|m|ft for the vintage models up to 3,900 metres (12,800 ft) for the most recent Sea Dweller model …   Wikipedia

• Airship — For other uses, see Airship (disambiguation). Dirigible redirects here. For the 1931 film, see Dirigible (film). Not to be confused with Balloon (aircraft) or Blimp. Airship …   Wikipedia

• Spud gun — For the child s toy which fires small pieces of potato, see spud gun (toy). A pneumatic potato cannon A potato cannon (also known as a spud gun or spudzooka ) is a pipe based cannon which uses air pressure (pneumatic), Propellant, or… …   Wikipedia

• Spud gun (cannon) — This article is about pipe based cannons and similar which use air pressure, or combustion of a gaseous fuel, or both, to launch large projectiles at low speed. They are in two types: * To fire whole potatoes. These launchers are built and fired… …   Wikipedia

• Diving cylinder — Diving cylinders to be filled at a diving air compressor station …   Wikipedia

• nuclear reactor — Physics. reactor (def. 4). Also called nuclear pile. [1940 45] * * * Device that can initiate and control a self sustaining series of nuclear fission reactions. Neutrons released in one fission reaction may strike other heavy nuclei, causing them …   Universalium

• Vacuum tube — This article is about the electronic device. For experiments in an evacuated pipe, see free fall. For the transport system, see pneumatic tube. Modern vacuum tubes, mostly miniature style In electronics, a vacuum tube, electron tube (in North… …   Wikipedia

• Euthanasia device — For the fictional suicide machine, see Suicide booth. Part of a series on Euthanasia Types …   Wikipedia

• Gas chromatography — A gas chromatograph with a headspace sampler Acronym GLC, GC Classification chromatography Analytes organic inorganic …   Wikipedia