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sievert |
Also found in: Medical, Acronyms, Wikipedia, Hutchinson | 0.02 sec. |
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sievert [′zē·vərt] (nucleonics) The International System unit of dose equivalent, equal to the dose equivalent when the absorbed dose of ionizing radiation multiplied by stipulated dimensionless factors is 1 joule per kilogram. Abbreviated Sv. A unit of radiation dose, equal to the dose delivered by a point source of 1 milligram of radium, enclosed in a platinum container with walls 0.5-millimeter thick, to a sample at a distance of 1 centimeter over a period of 1 hour; equal to approximately 8.38 roentgens. Also known as millicurie-of-intensity-hour. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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info, a United Nations Internet-based information clearinghouse, this is 700 to 13,000 times more radiation in just a few hours than the maximum dose of 1 millisievert that the European Union says people living near a nuclear power plant should be exposed to in one year. A CT examination with an effective dose of 10 millisieverts (abbreviated mSv; 1 mSv = 1 mGy in the case of x rays. The milliSievert unit (mSv) is the measurement used in Canada. |
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