Home > Term: half-life
half-life
The time required for the activity of a given radioactive species to decrease to half of its initial value due to radioactive decay. The half-life is a characteristic property of each radioactive species and is independent of its amount or condition. The effective half-life of a given isotope is the time in which the quantity in the body will decrease to half as a result of both radioactive decay and biological elimination.
- Kalbos dalis: noun
- Pramonės šaka / sritis: Military
- Category: General military
- Company: U.S. DOD
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