Concept information
Término preferido
half-life
Definición
- Half-life (symbol t_½) is the time required for a quantity (of substance) to reduce to half of its initial value. The term is commonly used in nuclear physics to describe how quickly unstable atoms undergo radioactive decay or how long stable atoms survive. The term is also used more generally to characterize any type of exponential (or, rarely, non-exponential) decay. For example, the medical sciences refer to the biological half-life of drugs and other chemicals in the human body. The converse of half-life (in exponential growth) is doubling time. (Wikipedia, The Free Encyclopedia, https://en.wikipedia.org/wiki/Half-life)
Concepto genérico
En otras lenguas
-
francés
URI
http://data.loterre.fr/ark:/67375/MDL-VG312KX4-K
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