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breathing oxygen

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  • Oxygen toxicity — Classification and external resources In 1942–43 the UK Government carried out extensive testing for oxygen toxicity in divers. The chamber is pressurised with air to 3.7  …   Wikipedia

  • Oxygen tank — An oxygen tank is a storage vessel for oxygen, which is either held under pressure in gas cylinders or as liquid oxygen in a cryogenic storage tank. Oxygen tanks are used to store gas for: industrial processes including the manufacture of steel… …   Wikipedia

  • Oxygen mask — A plastic oxygen mask on an ER patient. An oxygen mask provides a method to transfer breathing oxygen gas from a storage tank to the lungs. Oxygen masks may cover the nose and mouth (oral nasal mask) or the entire face (full face mask). They may… …   Wikipedia

  • oxygen — n. Chem. a colourless tasteless odourless gaseous element, occurring naturally in air, water, and most minerals and organic substances, and essential to plant and animal life. Usage: Symb.: O. Phrases and idioms: oxygen mask a mask placed over… …   Useful english dictionary

  • Breathing gas — is a mixture of gaseous chemical elements and compounds used for respiration. Air is the most common and only natural breathing gas. Other artificial gases, either pure gases or mixtures of gases, are used in breathing equipment and enclosed… …   Wikipedia

  • Oxygen therapy — Intervention ICD 9 CM 93.96 MeSH …   Wikipedia

  • Oxygen evolution — is the process of generating molecular oxygen through chemical reaction. Mechanisms of oxygen evolution include the oxidation of water during oxygenic photosynthesis, electrolysis of water into oxygen and hydrogen, and electrocatalytic oxygen… …   Wikipedia

  • Oxygen (novel) — Oxygen   …   Wikipedia

  • oxygen mask — oxygen masks N COUNT An oxygen mask is a device that is connected to a cylinder of oxygen by means of a tube. It is placed over the nose and mouth of someone who is having difficulty in breathing in order to help them breath more easily …   English dictionary

  • oxygen — Symbol: O Atomic number: 8 Atomic weight: 15.9994 A colourless, odourless gaseous element belonging to group 16 of the periodic table. It is the most abundant element present in the earth s crust. It also makes up 20.8% of the Earth s atmosphere …   Elements of periodic system

  • Oxygen — This article is about the chemical element and its most stable form, O2 or dioxygen. For other forms of this element, see Allotropes of oxygen. For other uses, see Oxygen (disambiguation). nitrogen ← oxygen → fluorine ↑ O ↓ …   Wikipedia