air-flow resistance

  • 61Coandă-1910 — Coandă 1910 …

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  • 62Cooling tower — Natural draft wet cooling hyperboloid towers at Didcot Power Station, UK …

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  • 63aerodynamics — aerodynamic, aerodynamical, adj. aerodynamically, adv. /air oh duy nam iks/, n. (used with a sing. v.) the branch of mechanics that deals with the motion of air and other gases and with the effects of such motion on bodies in the medium. Cf.… …

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  • 64Membrane bioreactor — (MBR) is the combination of a membrane process like microfiltration or ultrafiltration with a suspended growth bioreactor, and is now widely used for municipal and industrial wastewater treatment with plant sizes up to 80,000 population… …

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  • 65Water Resistant mark — Water Resistant is a common mark stamped on the back of wrist watches to indicate how well a watch is sealed against ingress of water. It is usually accompanied by an indication of the static test pressure that a sample of newly manufactured… …

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  • 66atmosphere — atmosphereless, adj. /at meuhs fear /, n., v., atmosphered, atmosphering. n. 1. the gaseous envelope surrounding the earth; the air. 2. this medium at a given place. 3. Astron. the gaseous envelope surrounding a heavenly body. 4. Chem. any… …

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  • 67Lotic ecosystems — are the ecosystems of rivers, streams and springs. Included in these environments are the biotic interactions (amongst plants, animals and micro organisms) together with the abiotic interactions (physical and chemical). [Angelier (2003)] Lotic… …

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  • 68CFM International CFM56 — CFM56 …

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  • 69Poppet valve — A poppet valve is a valve consisting of a hole, usually round or oval, and a tapered plug, usually a disk shape on the end of a shaft also called a valve stem. The shaft guides the plug portion by sliding through a valve guide. In most… …

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  • 70Fuse (electrical) — A miniature time delay fuse used to protect electronic equipment, rated 0.3 amperes at 250 volts. 1.25 inches (about 32 mm) long …

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