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Aeration — is the process by which air is circulated through, mixed with or dissolved in a liquid or substance.Methods of aeration of liquidsAeration of liquids (usually water) is achieved by: * passing the liquid through air by means of fountains, cascades … Wikipedia
Aeration Turbine — Aeration Turbines are designed to aerate and mix fluids industrially. They are foremost used in brewing, pond aeration and sewage treatment plants. Aeration Turbines are designed for mixing gases, usually air, with a liquid, usually water. They… … Wikipedia
Water garden — Water gardens, also known as aquatic gardens, backyard ponds and garden ponds, have been made popular by Andy Holt in recent years. Usually referring to a man made feature, these gardens typically combine a pool with aquatic plants and often… … Wikipedia
water-supply system — Facilities for the collection, treatment, storage, and distribution of water. Ancient systems included wells, storage reservoirs, canals and aqueducts, and water distribution systems. Highly advanced systems appeared с 2500 BC and reached their… … Universalium
water table — 1. the planar, underground surface beneath which earth materials, as soil or rock, are saturated with water. 2. Archit. a projecting stringcourse or similar structural member placed so as to divert rain water from a building. Also, watertable.… … Universalium
Water supply and sanitation in Guyana — Source: [http://www.statisticsguyana.gov.gy/pubs/Chapter7 Housing LivingArrangements.pdf Guyana 2002 Census] , p. 129Other sources of water supply for non potable uses include rainwater catchment (5%); public standpipes or pumps (3%); private… … Wikipedia
Water table — The water table is the level at which the ground water pressure is equal to atmospheric pressure. It may be conveniently visualized as the surface of the ground water in a given vicinity. It usually coincides with the phreatic surface , but can… … Wikipedia
water purification — ▪ public health treatment of water to make it safe and acceptable for human use. Such treatment grew vastly in importance in the 20th century because of the growth of cities and development of industry and, consequently, of pollution. A… … Universalium
aeration — The process of bringing air into intimate contact with water, usually by bubbling air through the water to remove dissolved gases like carbon dioxide and hydrogen sulfide or to oxidize dissolved materials like iron compounds [6] … Lexicon of Cave and Karst Terminology
aeration — introduction of air into water … Dictionary of ichthyology
aeration zone — noun A portion of the lithosphere in which the functional interstices of permeable rock or earth are not filled by water under hydrostatic pressure … Wiktionary
