- rectangular duct
- nвоздуховод прямоугольного сечения
Англо-русский строительный словарь. — М.: Русский Язык. С.Н.Корчемкина, С.К.Кашкина, С.В.Курбатова. 1995.
Англо-русский строительный словарь. — М.: Русский Язык. С.Н.Корчемкина, С.К.Кашкина, С.В.Курбатова. 1995.
Duct (HVAC) — A round galvanized steel duct connecting to a typical diffuser Fire resistance rated … Wikipedia
Hydraulic diameter — The hydraulic diameter, D h , is a commonly used term when handling flow in noncircular tubes and channels. Using this term one can calculate many things in the same way as for a round tube.Definition: D h = frac {4A}{U} where A is the cross… … Wikipedia
SOMMERFELD — GERMANY (see also List of Individuals) 5.12.1868 Königsberg/RU 26.4.1951 Munich/D Arnold Sommerfeld read mathematics and physics at Königsberg University, formerly in Prussia and today s Kaliningrad in Russia. After two years as an assistant at… … Hydraulicians in Europe 1800-2000
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building construction — Techniques and industry involved in the assembly and erection of structures. Early humans built primarily for shelter, using simple methods. Building materials came from the land, and fabrication was dictated by the limits of the materials and… … Universalium
Kaval — This article is about the flute. For the city in Iran, see Kavar. For the professional wrestler formerly known as Kaval, see Low Ki. Kaval Bulgarian kaval in C (До) made in 2009 from European Cornel (Cornus mas) Дрян Classification … Wikipedia
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ear, human — ▪ anatomy Introduction organ of hearing and equilibrium that detects and analyzes noises by transduction (or the conversion of sound waves into electrochemical impulses) and maintains the sense of balance (equilibrium). The human ear, like … Universalium
Electrical wiring — in general refers to insulated conductors used to carry electricity, and associated devices. This article describes general aspects of electrical wiring as used to provide power in buildings and structures, commonly referred to as building wiring … Wikipedia
MHD generator — Energy portal The MHD (magnetohydrodynamic) generator or dynamo transforms thermal energy or kinetic energy directly into electricity. MHD generators are different from traditional electric generators in that they can operate at high tempera … Wikipedia
sound — sound1 soundable, adj. /sownd/, n. 1. the sensation produced by stimulation of the organs of hearing by vibrations transmitted through the air or other medium. 2. mechanical vibrations transmitted through an elastic medium, traveling in air at a… … Universalium