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  • environmental works — ▪ civil engineering Introduction       infrastructure that provides cities and towns with water supply, waste disposal, and pollution control services. They include extensive networks of reservoirs, pipelines, treatment systems, pumping stations …   Universalium

  • Membrane 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… …   Wikipedia

  • Swimming pool sanitation — articleissues refimprove = January 2008 technical = August 2008Swimming pool sanitation refers to both visual clarity and levels of microflora, such as bacteria and viruses in swimming pools. The goal of sanitation is to prevent the spread of… …   Wikipedia

  • Glossary of contract bridge terms — These terms are used in Contract bridge[1][2] , or the earlier game Auction bridge, using duplicate or rubber scoring. Some of them are also used in Whist, Bid whist, and other trick taking games. This glossary supplements the Glossary of card… …   Wikipedia

  • France — /frans, frahns/; Fr. /frddahonns/, n. 1. Anatole /ann nann tawl /, (Jacques Anatole Thibault), 1844 1924, French novelist and essayist: Nobel prize 1921. 2. a republic in W Europe. 58,470,421; 212,736 sq. mi. (550,985 sq. km). Cap.: Paris. 3.… …   Universalium

  • Reverse osmosis — Schematics of a reverse osmosis system (desalination) using a pressure exchanger. 1: Sea water inflow, 2: Fresh water …   Wikipedia

  • Coastal management — This article is about coastal management aimed to prevent erosion and flooding. For broader management issues, see Integrated coastal zone management. Oosterscheldekering sea wall, the Netherlands. In some jurisdictions the terms sea defense and… …   Wikipedia

  • Drip irrigation — A dripper Drip irrigation, also known as trickle irrigation or microirrigation or localized irrigation , is an irrigation method which saves water and fertilizer by allowing water to drip slowly to the roots of plants, either onto the soil… …   Wikipedia

  • sedimentary rock — Rock formed at or near the Earth s surface by the accumulation and lithification of fragments of preexisting rocks or by precipitation from solution at normal surface temperatures. Sedimentary rocks can be formed only where sediments are… …   Universalium

  • ion-exchange reaction — ▪ chemical reaction Introduction       any of a class of chemical reactions between two substances (each consisting of positively and negatively charged species called ions (ion)) that involves an exchange of one or more ionic components.… …   Universalium

  • Longevitology — What It Is Longevitology ( Chang Sen Xue in Chinese, which translates as study of long life ) is one of several healing modalities intended to adjust energy flow throughout the body to improve the body s ability to heal itself. (Acupuncture,… …   Wikipedia

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