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Heliox is a breathing gas mixture of helium (He) and oxygen (O 2). It is used as a medical treatment for patients with difficulty breathing because this mixture generates less resistance than atmospheric air when passing through the airways of the lungs, and thus requires less effort by a patient to breathe in and out of the lungs.
Heliox's low density produces a lower Reynolds number and hence higher probability of laminar flow for any given airway. Laminar flow tends to generate less resistance than turbulent flow. In the small airways where flow is laminar, resistance is proportional to gas viscosity and is not related to density and so heliox has little effect
This is a list of aircraft carriers which are currently in service, under maintenance or refit, in reserve, under construction, or being updated. An aircraft carrier is a warship with a full-length flight deck, hangar and facilities for arming, deploying, and recovering aircraft. [1]
Aircraft cruisers, also known as aviation cruisers, cruiser-carriers, flight deck cruisers, and hybrid battleship-carriers, which combine the characteristics of aircraft carriers and surface warfare ships, because they primarily operated helicopters or floatplanes and did not act as a floating airbase.
Aircraft carriers are warships that act as airbases for carrier-based aircraft. In the United States Navy , these ships are designated with hull classification symbols such as CV (Aircraft Carrier), CVA (Attack Aircraft Carrier), CVB (Large Aircraft Carrier), CVL (Light Aircraft Carrier), CVE (Escort Aircraft Carrier), CVS (Antisubmarine ...
Helios Airways was a low-cost Cypriot airline operating scheduled and charter flights between Cyprus and many European and African destinations. It had its corporate headquarters on the grounds of Larnaca International Airport in Larnaca .
Sqn. Cdr. E. H. Dunning makes the first landing of an aircraft on a moving ship, a Sopwith Pup on HMS Furious, August 2, 1917.. This List of carrier-based aircraft covers fixed-wing aircraft designed for aircraft carrier flight deck operation and excludes aircraft intended for use from seaplane tenders, submarines and dirigibles.
Traditionally an aircraft carrier is supposed to be one ship that can perform at least power projection and sea control missions. [7] An aircraft carrier must be able to efficiently operate an air combat group. This means it should [citation needed] handle fixed-wing jets as well as helicopters. This includes ships designed to support ...