- theory of radioactivity
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радиоактивная теория
English-Russian dictionary of geology. 2011.
theory of radioactivity
Смотреть что такое "theory of radioactivity" в других словарях:
radioactivity — /ray dee oh ak tiv i tee/, n. Physics, Chem. the phenomenon, exhibited by and being a property of certain elements, of spontaneously emitting radiation resulting from changes in the nuclei of atoms of the element. Also called activity. [1895… … Universalium
Environmental radioactivity — is produced by radioactive materials in the human environment. While some radioisotopes, such as strontium 90 (90Sr) and technetium 99 (99Tc), are only found on Earth as a result of human activity, and some, like potassium 40 (40K), are only… … Wikipedia
Le Sage's theory of gravitation — is the most common name for the kinetic theory of gravity originally proposed by Nicolas Fatio de Duillier in 1690 and later by Georges Louis Le Sage in 1748. The theory proposed a mechanical explanation for Newton s gravitational force in terms… … Wikipedia
probability theory — Math., Statistics. the theory of analyzing and making statements concerning the probability of the occurrence of uncertain events. Cf. probability (def. 4). [1830 40] * * * Branch of mathematics that deals with analysis of random events.… … Universalium
Unified field theory — In physics, a unified field theory is a type of field theory that allows all of the fundamental forces between elementary particles to be written in terms of a single field. There is no accepted unified field theory yet, and this remains an open… … Wikipedia
Dynamo theory — In geophysics, dynamo theory proposes a mechanism by which a celestial body such as the Earth or a star generates a magnetic field. The theory describes the process through which a rotating, convecting, and electrically conducting fluid can… … Wikipedia
unified field theory — Physics. 1. See electroweak theory. 2. any field theory, esp. Einstein s, that attempts to combine the gravitational and electromagnetic fields in a single mathematical framework, thus extending the general theory of relativity. * * * Attempt to… … Universalium
Atomic theory — Atomic model redirects here. For the unrelated term in mathematical logic, see Atomic model (mathematical logic). This article is about the historical models of the atom. For a history of the study of how atoms combine to form molecules, see… … Wikipedia
Marie Curie — Madame Curie redirects here. For the 1943 biographical film about her, see Madame Curie (film). This article is about the chemist and physicist. For the schools named after her, see École élémentaire Marie Curie and Marie Curie High School … Wikipedia
Gamow, George — orig. Georgy Antonovich Gamov born March 4, 1904, Odessa, Russian Empire died Aug. 19, 1968, Boulder, Colo., U.S. Russian born U.S. nuclear physicist and cosmologist. After studying at Leningrad University with Aleksandr Friedmann (1888–1925), he … Universalium
Becquerel, Henri — ▪ French physicist Introduction in full Antoine Henri Becquerel born December 15, 1852, Paris, France died August 25, 1908, Le Croisic French physicist (physical science) who discovered radioactivity through his investigations of uranium and… … Universalium
