Half-life,

• Internal calculation ~ physics & biological half-life of the radiation dose of the substance which is taken in
  http://tenmei.cocolog-nifty.com/matcha/2011/04/post-4ecf.html
  But really, as for Becquerel's value (quantity of strength ≒ radioactive substance of ≒ radioactivity),, a liberal translation

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• Radiation, radioactivity and healthy damage (7) as for problem in case of iodine
  http://tokowotome.cocolog-nifty.com/blog/2011/03/post-5f13.html
  But case of iodine, because the radioactive iodine which is taken in is displaced the iodine of existing internal, the internal exposure dose accumulates

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• It is radioactivity [tsu] [te] what?, a liberal translation
  http://shincyan.tea-nifty.com/blog/2011/03/post-d48e.html
  But because there is a radioactive substance of the tremendous quantity in the reactor, those which spread those with the explosion of the reactor and scatter are the Chernobyl nuclear accident

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• Scattering the radioactive substance
  http://de-tokio.way-nifty.com/gekijou/2011/03/post-122e.html
  But, according to reporting, the majority half-life (time when radiation which is emitted reaches half size) those of 8 days probably will produce these radioactive substances, is

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• Para obtener mas informacion, pregunte a los bloggers a enlazar.
  http://mittchey.cocolog-nifty.com/blog/2011/03/post-f81f.html
  But, it is secure to be already polluted to the radioactive substance,

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  Sous reserve de la traduction en japonais.