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effective half-life |
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effective half-life (ehl), the time required for a radioactive element in an animal body to be diminished by 50% as a result of radioactive decay and biologic elimination. The effective half-life is equal to the product of the biologic half-life (bhl) and the radioactive half-life (rhl) divided by the sum of the bhl and the rhl: ehl |m= (bhl × rhl)/(bhl + rhl). See also biologic half-life. effective half-life, n See life, radioactive. Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content. |
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