half-life

Liittyvät sanat: radioactive decay

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puoliintumisaika

puhekieltä The time required for half of the nucleus nuclei in a sample of a specific isotope to undergo radioactive decay.
puhekieltä In a chemical reaction, the time required for the concentration of a reactant to fall from a chosen value to half that value.
puhekieltä The time it takes for a substance (drug, radioactive nuclide, or other) to lose half of its pharmacological, physiologic, or radiological activity.
The time it takes for an idea or a fashion to lose half of its influential power.
1991, Robert Ackerman, Introduction to Jane Ellen Harrison's Prolegomena to the Study of Greek Religion (1903)

Katso half-life englanniksi