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invariance principles
(Encyclopedia)invariance principles: see conservation laws. ...restoration, in art
(Encyclopedia)restoration, in art: see art conservation and restoration. ...Duerk, Alene Bertha
(Encyclopedia)Duerk, Alene Bertha, 1920–2018, American rear admiral, b. Defiance, Ohio, grad. Toledo Hospital School of Nursing, 1941. Enlisting in the Navy Nurse Corps (1943), she was posted to naval hospitals i...Federal Aviation Administration
(Encyclopedia)Federal Aviation Administration (FAA), component of the U.S. Department of Transportation that sets standards for the air-worthiness of all civilian aircraft, inspects and licenses them, and regulates...Bernoulli's principle
(Encyclopedia)CE5 Bernoulli's principle Bernoulli's principle, physical principle formulated by Daniel Bernoulli that states that as the speed of a moving fluid (liquid or gas) increases, the pressure within th...Joule, James Prescott
(Encyclopedia)Joule, James Prescott jo͞ol, joul [key], 1818–89, English physicist. His scientific researches began in his youth when he invented an electromagnetic engine. Joule made valuable contributions to th...Convention on International Trade in Endangered Species of Wild Fauna and Flora
(Encyclopedia)Convention on International Trade in Endangered Species of Wild Fauna and Flora (CITES), international agreement that aims to ensure that trade in specimens of wild animals and plants does not threate...forestry
(Encyclopedia)forestry, the management of forest lands for wood, water, wildlife, forage, and recreation. Because the major economic importance of the forest lies in wood and wood products, forestry has been chiefl...Aylwin Azócar, Patricio
(Encyclopedia)Aylwin Azócar, Patricio īlˈwĭn äzōˈkär [key], 1918–2016, president of Chile (1990–94). A lawyer and the son of a Chilean supreme court president, Aylwin was a founder of the Christian Demo...Sanguinetti, Julio María
(Encyclopedia)Sanguinetti, Julio María ho͞oˈlēō märēˈä sängēnĕˈtē [key], 1936–, Uruguayan political leader, president of Uruguay (1985–90, 1995–2000). A lawyer and journalist, and a member of th...Browse by Subject
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