naturally radioactive

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• naturally radioactive isotope — gamtinis radioizotopas statusas T sritis fizika atitikmenys: angl. naturally radioactive isotope vok. natürliche Radioisotop, n rus. природный радиоактивный изотоп, m pranc. isotope radioactif naturel, m …   Fizikos terminų žodynas

• Naturally occurring radioactive material — Naturally Occurring Radioactive Materials (NORM) and Technologically Enhanced Naturally Occurring Radioactive Materials (TENORM) consist of materials, usually industrial wastes or by products enriched with radioactive elements found in the… …   Wikipedia

• Radioactive (disambiguation) — Radioactive describes something undergoing radioactive decay, the process by which an unstable atom emits radiationOtherwise the terms radioactive and radioactivity may refer to:Radioactive materials*Naturally occurring radioactive material… …   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

• Radioactive waste — 2007 ISO radioactivity danger logo, designed in part for long term radioactive waste depositories which might survive into a far future time in which all knowledge of the meaning of present common radiation danger symbols and signs has been lost… …   Wikipedia

• radioactive series — Physics, Chem. a succession of elements initiated in the radioactive decay of a parent, as thorium or uranium, each of which decays into the next until a stable element, usually lead, is produced. Also called decay series. [1920 25] * * * Any of… …   Universalium

• Radioactive contamination — The radiation warning symbol (trefoil) …   Wikipedia

• radioactive series — noun : a series of elements that are formed by disintegration of a long lived parent (as actinium, thorium, or uranium) through the successive loss of alpha or beta particles sometimes by alternative routes and that are all radioactive except the …   Useful english dictionary

• No Loan Again, Naturally — Le malheur est dans le prêt (Titre français inconnu) Saison 20 Épisode n°12 Titre original No Loan Again, Naturally Titre québecois Titre inconnu Code de production LABF03 1e …   Wikipédia en Français

• chemical element — Introduction also called  element,         any substance that cannot be decomposed into simpler substances by ordinary chemical processes. Elements are the fundamental materials of which all matter is composed.       This article considers the… …   Universalium

• argon — /ahr gon/, n. Chem. a colorless, odorless, chemically inactive, monatomic, gaseous element that, because of its inertness, is used for filling fluorescent and incandescent lamps and vacuum tubes. Symbol: Ar; at. no.: 18; at. wt.: 39.948. [1890… …   Universalium