Ion exchange resin — An ion exchange resin is an insoluble matrix (or support structure) normally in the form of small (1 2 mm diameter) beads, usually white or yellowish, fabricated from an organic polymer substrate. The material has highly developed structure of… … Wikipedia
Ion exchange — Ion exchanger Ion exchange resin beads … Wikipedia
Water softening — A water softener reduces the dissolved calcium, magnesium, and to some degree manganese and ferrous iron ion concentration in hard water.These hardness ions cause three major kinds of undesired effects. Most visibly, metal ions react with soaps… … Wikipedia
petroleum refining — Introduction conversion of crude oil into useful products. History Distillation of kerosene and naphtha The refining of crude petroleum owes its origin to the successful drilling of the first oil well in Titusville, Pa., in 1859. Prior to… … Universalium
Abe Anellis — Food microbiologist Abe Anellis was born in Mahilyow, Belarus (previously Mogilëv, Russia) on 15 February 1914. He died on August 28 2001 in Leesburg, Florida.BiographyFood microbiologist Abe Anellis was born in Mahilyow, Belarus (previously… … Wikipedia
John Leonora — and instructor at the university s predecessor, the College of Medical Evangelists.Biographical InformationJohn Leonora, the son of Joseph Leonora (March 14, 1883 November 20, 1942) and Carmela Folise Leonora (April 29, 1888 June 20, 1965), was… … Wikipedia
Business and Industry Review — ▪ 1999 Introduction Overview Annual Average Rates of Growth of Manufacturing Output, 1980 97, Table Pattern of Output, 1994 97, Table Index Numbers of Production, Employment, and Productivity in Manufacturing Industries, Table (For Annual… … Universalium
Neodymium(III) chloride — Other names … Wikipedia
Enriched uranium — Proportions of uranium 238 (blue) and uranium 235 (red) found naturally versus enriched grades Enriched uranium is a kind of uranium in which the percent composition of uranium 235 has been increased through the process of isotope separation.… … Wikipedia
dating — I In geology and archaeology, the process of determining an object s or event s place within a chronological scheme. Scientists may use either relative dating, in which items are sequenced on the basis of stratigraphic clues (see stratigraphy) or … Universalium
Life Sciences — ▪ 2009 Introduction Zoology In 2008 several zoological studies provided new insights into how species life history traits (such as the timing of reproduction or the length of life of adult individuals) are derived in part as responses to… … Universalium
