air-tube

  • 111Échangeur air-sol — Un échangeur air sol (également connu sous le nom de puits canadien, ou puits provençal) est un échangeur géothermique à très basse énergie utilisé pour rafraîchir ou réchauffer l air ventilé dans un bâtiment. Ce type d échangeur est notamment… …

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  • 112Vacuum 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… …

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  • 113Rijke tube — Rijke s tube turns heat into sound, by creating a self amplifying standing wave. It is an entertaining phenomenon in acoustics and is an excellent example of resonance. [ thumb|right|A simple construction of the Rijke tube, with a wire mesh in… …

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  • 114Vortex tube — For the term vortex tube used in fluid dynamics please see: vorticity The vortex tube, also known as the Ranque Hilsch vortex tube, is a mechanical device that separates a compressed gas into hot and cold streams. It has no moving parts.… …

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  • 115Chest tube — Intervention The free end of the Chest Drainage Device is usually attached to an underwater seal, below the level of the chest. This allows the air or fluid to escape from the pleural space, and prevents anything returning to the chest …

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  • 116Crookes tube — A Crookes tube. The electrons travel in straight lines from the cathode on the left, shown by the shadow cast by the cross on the fluorescence on the righthand wall. The anode is at the bottom. A Crookes tube is an early experimental electrical… …

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  • 117Leviathan and the Air-Pump — Infobox Book name = Leviathan and the Air Pump title orig = translator = image caption = author = Steven Shapin and Simon Schaffer illustrator = cover artist = country = USA language = English series = genre = publisher = Princeton University… …

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  • 118Pitot tube — A Pitot (pronEng|ˈpiːtoʊ) tube is a pressure measurement instrument used to measure fluid flow velocity. The Pitot tube was invented by Italian born French engineer Henri Pitot in the early 1700s, and was modified to its modern form in the mid… …

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  • 119Cold water pitting of copper tube — occurs in only a minority of installations. Copper water tubes are usually guaranteed by the manufacturer against manufacturing defects for a period of 50 years. The vast majority of copper systems far exceed this time period but a small minority …

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  • 120NMR tube — An NMR tube filled with a colorless sample, sealed with a green polyethylene cap and Parafilm An NMR tube is a thin glass walled tube used to contain samples in nuclear magnetic resonance spectroscopy. Typically NMR tubes come in 5 mm… …

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