mean lifetime

средний срок службы

English-Russian Biotechnology Glossary. . 2007.

Смотреть что такое "mean lifetime" в других словарях:

  • Mean lifetime — Given an assembly of elements, the number of which decreases ultimately to zero, the lifetime (also called the mean lifetime) is a certain number that characterizes the rate of reduction ( decay ) of the assembly. Specifically, if the individual… …   Wikipedia

  • mean lifetime — vidutinė gyvavimo trukmė statusas T sritis fizika atitikmenys: angl. average lifetime; mean lifetime vok. mittlere Lebensdauer, f rus. среднее время жизни, n pranc. vie moyenne, f …   Fizikos terminų žodynas

  • Lifetime — may refer to:*Life expectancy, the length of time a person is alive *Mean lifetime, a certain number that characterizes the rate of reduction ( decay ) of a particle of an assembly *Service life, a product s expected lifetime, or the acceptable… …   Wikipedia

  • mean life — Physics. 1. the average time that an unstable particle or nucleus survives before it decays. 2. See decay time. Also called average life, lifetime. * * * In radioactivity, the average lifetime of all the nuclei of a particular unstable atomic… …   Universalium

  • lifetime — /luyf tuym /, n. 1. the time that the life of someone or something continues; the term of a life: peace within our lifetime. 2. Physics. See mean life. adj. 3. for the duration of a person s life: He has a lifetime membership in the organization …   Universalium

  • mean life — vidutinė gyvavimo trukmė statusas T sritis Standartizacija ir metrologija apibrėžtis Apibrėžtį žr. priede. priedas( ai) Grafinis formatas atitikmenys: angl. average lifetime; mean life vok. mittlere Lebensdauer, f rus. среднее время жизни, n… …   Penkiakalbis aiškinamasis metrologijos terminų žodynas

  • mean life — (τ) the average time until decay for a sample of particles of a radionuclide or elementary particle, equal to the reciprocal of the decay constant or 1.443 times the half life. Called also lifetime …   Medical dictionary

  • lifetime — life·time (līfґtīm) mean life …   Medical dictionary

  • mean life — noun : average life * * * Physics. 1. the average time that an unstable particle or nucleus survives before it decays. 2. See decay time. Also called average life, lifetime …   Useful english dictionary

  • Positron Lifetime Spectroscopy — is a technique in material science used for studying the types and concentrations of atomic sized defects in materials. Positron Sources Typically positrons are produced through Beta Decay. A typical source would be 22Na, sodium 22. Positron… …   Wikipedia

  • average lifetime — vidutinė gyvavimo trukmė statusas T sritis fizika atitikmenys: angl. average lifetime; mean lifetime vok. mittlere Lebensdauer, f rus. среднее время жизни, n pranc. vie moyenne, f …   Fizikos terminų žodynas

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