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Reference, Questions and Help => Nuke Q&A => Definitions => Topic started by: Rennhack on Nov 23, 2005, 04:22

Title: Half-life, effective
Post by: Rennhack on Nov 23, 2005, 04:22

The time required for a radionuclide contained in a biological system, such as a human or an animal, to reduce its activity by one-half as a combined result of radioactive decay and biological elimination.

Title: Re: Half-life, effective
Post by: Rennhack on Nov 28, 2005, 11:05

Incorporates both the radioactive and biological half-lives. It is used in calculating the dose received from an internal radiation source.

Title: Re: Half-life, effective
Post by: Rennhack on Nov 28, 2005, 11:06

http://www.epa.gov/radiation/understand/halflife.htm