- rate of radioactive disintegration
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English-Tamil dictionary. 2014.
English-Tamil dictionary. 2014.
Radioactive decay — For particle decay in a more general context, see Particle decay. For more information on hazards of various kinds of radiation from decay, see Ionizing radiation. Radioactive redirects here. For other uses, see Radioactive (disambiguation).… … Wikipedia
radioactive decay rate — The time rate of the disintegration of radioactive material generally accompanied by the emission of particles and/or gamma radiation … Military dictionary
radioactive decay — noun the spontaneous disintegration of a radioactive substance along with the emission of ionizing radiation • Syn: ↑decay, ↑disintegration • Derivationally related forms: ↑disintegrate (for: ↑disintegration), ↑decay ( … Useful english dictionary
radiation — radiational, adj. /ray dee ay sheuhn/, n. 1. Physics. a. the process in which energy is emitted as particles or waves. b. the complete process in which energy is emitted by one body, transmitted through an intervening medium or space, and… … Universalium
Earth Sciences — ▪ 2009 Introduction Geology and Geochemistry The theme of the 33rd International Geological Congress, which was held in Norway in August 2008, was “Earth System Science: Foundation for Sustainable Development.” It was attended by nearly… … Universalium
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
rock — rock1 rockless, adj. rocklike, adj. /rok/, n. 1. a large mass of stone forming a hill, cliff, promontory, or the like. 2. Geol. a. mineral matter of variable composition, consolidated or unconsolidated, assembled in masses or considerable… … Universalium
Rock — /rok/, n. a male given name. * * * I In geology, a naturally occurring and coherent aggregate of minerals. The three major classes of rock igneous, sedimentary, and metamorphic are based on the processes that formed them. These three classes are… … Universalium
Earth exploration — Introduction the investigation of the surface of the Earth and of its interior. By the beginning of the 20th century most of the Earth s surface had been explored, at least superficially, except for the Arctic and Antarctic regions. Today the… … Universalium
Average dose due to natural radioactivity deposited internally — ▪ Table Average dose due to natural radioactivity deposited internally isotope radioactivity in millibecquerel (mBq)* radiation dose in mSv (per year) critical organ carbon 14 2.2(10−7) per kilogram beta rays 0.016 gonads potassium 40 3.9(10−7)… … Universalium
Isotopes of polonium — Polonium (Po) has 33 known isotopes, all of which are radioactive. They have atomic masses that range from 188u to 220u. 210Po is the most widely available. 209Po (half life 103 years) and 208Po (half life 2.9 years) can be made through the alpha … Wikipedia