bottom heating

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• Bottom water — is the lowermost water mass in a water body, by its bottom, with distinct characteristics, in terms of physics, chemistry, and ecology.OceanologyIn oceanology, bottom water is by the ocean floor. It has characteristics are markedly distinct from… …   Wikipedia

• heating — I Process of raising the temperature of an enclosed space. Heat can be delivered by convection, radiation, and thermal conduction. With the exception of the ancient Romans, who developed a form of central heating, most cultures relied on direct… …   Universalium

• Round-bottom flask — Round bottom flasks (also called round bottomed flasks and Erlenmeyer Bulbs) are types of flasks having spherical bottoms used as laboratory glassware, mostly for chemical or biochemical work. They are typically made of glass for chemical… …   Wikipedia

• Water heating — is a thermodynamic process using an energy source to heat water above its initial temperature. Typical domestic uses of hot water are for cooking, cleaning, bathing, and space heating. In industry, both hot water and water heated to steam have… …   Wikipedia

• Self-heating can — A self heating can is an enhancement of the common food can. Self heating cans have dual chambers, one surrounding the other. The inner chamber holds the food or drink, and the outer chamber houses chemicals that undergo an exothermic reaction… …   Wikipedia

• Underfloor heating — Heat can be provided by circulating heated water or by electric cable, mesh, or film heaters.Underfloor heating can be used with concrete and wooden floors, with all types of floor covering (e.g., stone, tile, wood, vinyl, and carpet), and at… …   Wikipedia

• Sea of Japan — Japanese name …   Wikipedia

• Rayleigh number — In fluid mechanics, the Rayleigh number for a fluid is a dimensionless number associated with buoyancy driven flow (also known as free convection or natural convection). When the Rayleigh number is below the critical value for that fluid, heat… …   Wikipedia

• UH — 1) Untersuchungshaft EN pretrial confinement 2) Unterhitze EN bottom heating 3) Unterhaltshilfe EN maintenance assistance …   Abkürzungen und Akronyme in der deutschsprachigen Presse Gebrauchtwagen

• Downhole heat exchanger — Bottom end of a Downhole heat exchanger …   Wikipedia

• steel — steellike, adj. /steel/, n. 1. any of various modified forms of iron, artificially produced, having a carbon content less than that of pig iron and more than that of wrought iron, and having qualities of hardness, elasticity, and strength varying …   Universalium