secular equilibrium

secular equilibrium
равновесие за вековой период

Англо-український і українсько-англійський словник з аналітичної хімії. — Севастополь: «Вебер». . 2002.

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  • 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

  • Equilibrium — is the condition of a system in which competing influences are balanced and it may refer to:cienceBiology* Equilibrioception, the sense of balance present in humans and animals * Homeostasis, the ability of an open system, especially living… …   Wikipedia

  • secular radioactive equilibrium — ilgalaikė radioaktyvumo pusiausvyra statusas T sritis fizika atitikmenys: angl. secular radioactive equilibrium vok. radioaktives Dauergleichgewicht, n; säkulares radioaktives Gleichgewicht, n rus. вековое радиоактивное равновесие, n; длительное… …   Fizikos terminų žodynas

  • equilibrium — 1. The condition of being evenly balanced; a state of repose between two or more antagonistic forces that exactly counteract each other. 2. In chemistry, a state of apparent repose created by two reactions proceeding in opposite directions at… …   Medical dictionary

  • Transient equilibrium — In nuclear physics, transient equilibrium is a situation in which equilibrium is reached by a parent daughter radioactive isotope pair where the half life of the parent is slightly longer than the half life of the daughter. [… …   Wikipedia

  • Secularity (disambiguation) — Secularity or secular may refer to: *Secularity (non religiosity)Other uses*Secular basis (finance) *Secular clergy and Secular institute (Roman Catholicism) *Secular equilibrium (radioactive decay) *Secular games (Roman history) *Secular… …   Wikipedia

  • 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

  • Uranium-thorium dating — Uranium thorium dating, also called thorium 230 dating, uranium series disequilibrium dating or uranium series dating, is a radiometric dating technique commonly used to determine the age of carbonate materials such as speleothem or coral [ [http …   Wikipedia

  • Yttrium — (pronEng|ˈɪtriəm) is a chemical element with symbol Y and atomic number 39. It is a silvery metallic transition metal chemically similar to the lanthanoids and has historically been classified as a rare earth element. Yttrium is almost always… …   Wikipedia

  • Torbernite — Entraygues, Aveyron, Midi Pyrénées, France General Category Phosphate minerals …   Wikipedia

  • Gamma spectroscopy — The gamma ray spectrum of natural uranium, showing about a dozen discrete lines superimposed on a smooth continuum, allows the identification the nuclides 226Ra, 214Pb, and 214Bi of the uranium decay chain. Gamma ray spectroscopy is the… …   Wikipedia

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