- half-life of a radionuclide
- період напіврозпаду радіонукліда
English-Ukrainian analytical chemistry dictionary. 2013.
half-life of a radionuclide
Смотреть что такое "half-life of a radionuclide" в других словарях:
Radionuclide half-life — См. Период полураспада радионуклида Термины атомной энергетики. Концерн Росэнергоатом, 2010 … Термины атомной энергетики
half-life — The period in which the radioactivity or number of atoms of a radioactive substance decreases by half; similarly applied to any substance, such as a drug in serum, whose quantity decreases exponentially with time. Cf.:half time. biologic half… … Medical dictionary
Radionuclide — A radionuclide is an atom with an unstable nucleus, which is a nucleus characterized by excess energy available to be imparted either to a newly created radiation particle within the nucleus or to an atomic electron. The radionuclide, in this… … Wikipedia
Extinct radionuclide — An extinct radionuclide is one which was thought to have been formed by a primordial process such as stellar nucleogenesis in the supernova(s) which contributed radioisotopes to the early solar system, about 4.6 billion years ago. Generally,… … Wikipedia
mean life — (τ) the average time until decay for a sample of particles of a radionuclide or elementary particle, equal to the reciprocal of the decay constant or 1.443 times the half life. Called also lifetime … Medical dictionary
generator — An apparatus for conversion of chemical, mechanical, atomic, or other forms of energy into electricity. [g., a begetter, producer] aerosol g. a device for producing airborne suspensions of small particles for inhalation therapy or experimental … Medical dictionary
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
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
Secular equilibrium — In nuclear physics, secular equilibrium is a situation in which the quantity of a radioactive isotope remains constant because its production rate (due, e.g., to decay of a parent isotope) is equal to its decay rate.ecular equilibrium in… … Wikipedia
meteorite — meteoritic /mee tee euh rit ik/, meteoritical, meteorital /mee tee euh ruyt l/, adj. /mee tee euh ruyt /, n. 1. a mass of stone or metal that has reached the earth from outer space; a fallen meteoroid. 2. a meteoroid. [1815 25; METEOR + ITE1] * * … Universalium
Radioactive contamination — The radiation warning symbol (trefoil) … Wikipedia
