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  2. Breathing performance of regulators - Wikipedia

    en.wikipedia.org/wiki/Breathing_performance_of...

    The US Navy procedure has been to test regulators primarily at a depth of 190 fsw (58 msw) in water 28 to 29 °F (−2 to −2 °C) at a very high breathing rate of 62.5 lpm for a minimum of 30 minutes, with inlet pressure to the first stage of 1,500 pounds per square inch (100 bar), which results in an average second stage inlet temperature of ...

  3. Mechanism of diving regulators - Wikipedia

    en.wikipedia.org/wiki/Mechanism_of_diving_regulators

    The diver's exhaled breath at 29 to 32 °C (84 to 90 °F), does not have enough heat to compensate for the cooling effect of the expanding incoming air once the water temperature is much below 4 °C (39 °F), and once the water temperature drops below 4 °C (39 °F) there is not enough heat in the water to rewarm the regulator components fast ...

  4. High altitude breathing apparatus - Wikipedia

    en.wikipedia.org/wiki/High_altitude_breathing...

    A dilutor demand regulator draws ambient air into the mask through an orifice in the regulator, while concurrently being fed with pure oxygen through a demand valve in the regulator. For aeronautical use the size of the ambient air orifice is controlled by an aneroid valve operator and is directly proportional to atmospheric pressure. [ 12 ]

  5. Diving cylinder - Wikipedia

    en.wikipedia.org/wiki/Diving_cylinder

    The pressure vessel is a seamless cylinder normally made of cold-extruded aluminum or forged steel. [5] Filament wound composite cylinders are used in fire fighting breathing apparatus and oxygen first aid equipment because of their low weight, but are rarely used for diving, due to their high positive buoyancy.

  6. Diving regulator - Wikipedia

    en.wikipedia.org/wiki/Diving_regulator

    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.

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  8. Demand valve oxygen therapy - Wikipedia

    en.wikipedia.org/wiki/Demand_Valve_Oxygen_Therapy

    Demand Valve Oxygen Therapy (DVOT) is a way of delivering high flow oxygen therapy using a device that only delivers oxygen when the patient breathes in and shuts off when they breathe out. DVOT is commonly used to treat conditions such as cluster headache , which affects up to four in 1000 people (0.4%), [ 1 ] [ 2 ] [ 3 ] and is a recommended ...

  9. Meghan Trainor Says She ‘Got Too Much Botox’ and ‘Cannot ...

    www.aol.com/lifestyle/meghan-trainor-says-she...

    The singer, 30, admitted she’s had “too much Botox” to the point where she “cannot smile” while speaking on the Nov. 20 episode of Workin' On It with Meghan Trainor & Ryan Trainor podcast.

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