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radioactive decay
(redirected from radioelement)

   Also found in: Dictionary/thesaurus, Medical, Wikipedia 0.01 sec.
radioactive decay [¦rād·ē·ō′ak·tiv di′kā]
(nuclear physics)
The spontaneous transformation of a nuclide into one or more different nuclides, accompanied by either the emission of particles from the nucleus, nuclear capture or ejection of orbital electrons, or fission. Also known as decay; nuclear spontaneous reaction; radioactive disintegration; radioactive transformation; radioactivity.


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The leak, judged to be the most serious ever in Belgium, occurred on August 22 at the Institut des Radioelements, a laboratory in Fleurus that makes radioisotopes used in medical imaging and cancer treatment.
Commercial synthesizers costing about $14,0,000 then chemically incorporate the radioelement into a desired molecule.
 
 
 
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