| half-life |
The amount of time it takes for the radioactivity of a radioactive material to be reduced by half.
출처: www.stoller-eser.com/Annuals/2003/AppendixE.htm
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|---|---|
| half-life |
The amount of time required for one-half of the nuclides in a sample of radioactive isotope to decay.
출처: jmsscienceweb.tripod.com/vocabulary.htm
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| half-life |
The time over which the atoms of a particular radioactive nuclide decay to half their original intensity of emitted radiation. The half-life is a characteristic property of each radioactive isotope.
출처: www.nuce.boun.edu.tr/glossary.html
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| half-life |
The period of time necessary for one half of a substance introduced to a living system or ecosystem to be eliminated or disintegrated by natural processes.
출처: www.great-lakes.net/humanhealth/about/words_h.html
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| half b. |
a bath of the hips and lower part of the body.
출처: www.mercksource.com/pp/us/cns/cns_health_library.j...
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