- radioactive lead
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English-Tamil dictionary. 2014.
radioactive lead
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lead-210 dating — Method of dating that makes use of the ratio of the amount of the radioactive isotope lead 210 to that of the stable isotope lead 206. The method has been applied to the ores of uranium. Lead 210 dating is particularly useful for determining the… … Universalium
Radioactive scrap metal — is the situation when radioactive material enters the metal recycling process known as the scrap metal trade. Overview A lost source accident [P Ortiz, V Friedrich, J Wheatley and M Oresegun, [http://www.iaea.org/Publications/Magazines/Bulletin/Bu… … Wikipedia
Lead-lead dating — is a method for dating geological samples, normally based on whole rock samples of material such as granite. For most dating requirements it has been superseded by uranium lead dating (U Pb dating), but in certain specialized situations (such as… … Wikipedia
Lead — (pronEng|ˈlɛd) is a main group element with a symbol Pb ( la. plumbum). Lead has the atomic number 82. Lead is a soft, malleable poor metal, also considered to be one of the heavy metals. Lead has a bluish white color when freshly cut, but… … Wikipedia
Lead shielding — refers to the use of lead as a form of radiation protection to shield people or objects from radiation. Lead can effectively attenuate certain kinds of radiation because of its high density and high atomic number; principally, it is effective at… … 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 contamination — The radiation warning symbol (trefoil) … 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
Lead castle — A lead castle, also called a lead cave or a lead housing, is a structure composed of bricks made of lead. Lead castles are a type of lead shielding and are used to enclose small radioactive sources. They are used during nuclear research and… … 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
