breathing gas

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• 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

• Trimix (breathing gas) — Trimix is a breathing gas, consisting of oxygen, helium and nitrogen, and is often used in deep commercial diving and during the deep phase of dives carried out using technical diving techniques.cite book |title=Bennett and Elliott s physiology… …   Wikipedia

• Hydrox (breathing gas) — Hydrox, a gas mixture of hydrogen and oxygen is used as a breathing gas in very deep diving. It allows divers to descend several hundred metres.cite journal |last=Fife |first=W. P. |title=The use of Non Explosive mixtures of hydrogen and oxygen… …   Wikipedia

• oxygen breathing gas mask — izoliuojamoji dujokaukė statusas T sritis apsauga nuo naikinimo priemonių apibrėžtis Dujokaukė, skirta kvėpavimo organams visiškai izoliuoti nuo išorinio oro; kvėpavimui naudojamos izoliuojamosios dujokaukės deguonies arba oro atsargos.… …   Apsaugos nuo naikinimo priemonių enciklopedinis žodynas

• Gas blending — or gas mixing is the filling of diving cylinders with non air breathing gases such as nitrox, trimix and heliox. Hazards There are several hazards with gas mixing: * cylinders are being filled with high pressure gas. If there is any damage or… …   Wikipedia

• Gas compressor — A gas compressor is a mechanical device that increases the pressure of a gas by reducing its volume. Compressors are similar to pumps: both increase the pressure on a fluid and both can transport the fluid through a pipe. As gases are… …   Wikipedia

• Gas exchange — or respiration takes place at a respiratory surface a boundary between the external environment and the interior of the body. For unicellular organisms the respiratory surface is Fick s law we can predict that respiratory surfaces must have: *a… …   Wikipedia

• Gas Control Equipment Ltd — Gas Control Equipment Ltd. is a firm in Warrington in Cheshire in England. They make medical gas equipment. Down the years they have taken over various other firms, including Sabre Safety who make industrial breathing sets and formerly made the… …   Wikipedia

• gas mask — n. a device worn over the face to prevent the breathing in of poisonous gases by chemically filtering them out of the air …   English World dictionary

• Breathing — Breath redirects here. For other uses, see Breath (disambiguation). For other uses, see Breathing (disambiguation). The human respiratory system Breathing is the process that moves air in and out of the lungs. Aerobic organisms require oxygen to… …   Wikipedia

• gas — gasless, adj. /gas/, n., pl. gases, v., gassed, gassing. n. 1. Physics. a substance possessing perfect molecular mobility and the property of indefinite expansion, as opposed to a solid or liquid. 2. any such fluid or mixture of fluids. 3. any… …   Universalium