atomic second

См. также в других словарях:

• atomic second — noun A time interval whose measurement uses the frequency of radiation emitted or absorbed during transition from one energy state to another of a chosen atom • • • Main Entry: ↑atom …   Useful english dictionary

• atomic second — atominė sekundė statusas T sritis Standartizacija ir metrologija apibrėžtis Sekundė, pavadinta pagal 1967 m. patvirtintą SI laiko matavimo vieneto apibrėžimą. atitikmenys: angl. atomic second vok. Atomsekunde, f; physikalische Sekunde, f rus.… …   Penkiakalbis aiškinamasis metrologijos terminų žodynas

• atomic second — atominė sekundė statusas T sritis fizika atitikmenys: angl. atomic second vok. Atomsekunde, f; physikalische Sekunde, f rus. атомная секунда, f pranc. seconde atomique, f …   Fizikos terminų žodynas

• atomic time — noun Time whose unit is the atomic second • • • Main Entry: ↑atom * * * atomic time, time as measured by an atomic clock: »An atomic time standard…would define the second in [terms of] the number of energy waves given off by an atom of cesium… …   Useful english dictionary

• Second — This article is about the unit of time. For other uses, see Second (disambiguation). A light flashing approximately once per second. The second (SI unit symbol: s; informal abbreviation: sec) is a unit of measurement of time, and is the… …   Wikipedia

• Atomic Time —    The time according to a cesium clock, based on the atomic second. An atomic second is the time required for 9,192,631,770 cycles of the radiation emitted or absorbed in a particular transition of an atom of cesium 133 …   The writer's dictionary of science fiction, fantasy, horror and mythology

• Atomic theory — Atomic model redirects here. For the unrelated term in mathematical logic, see Atomic model (mathematical logic). This article is about the historical models of the atom. For a history of the study of how atoms combine to form molecules, see… …   Wikipedia

• Atomic Energy Act of 1946 — Full title An Act For the development and control of atomic energy Enacted by the 79th United States Congress Citations Public Law …   Wikipedia

• Second Sino-Japanese War — Part of the Pacific War of World War II (from 1941) …   Wikipedia

• Atomic Kitten — Background information Origin Liverpool, England, UK Genres …   Wikipedia

• Atomic Knight — is a DC Comics superhero and was briefly a member of the Outsiders team. He is sometimes depicted as one of a group of Atomic Knights, which first appeared in Strange Adventures #117 (June 1960).Citation | last = Greenberger | first = Robert |… …   Wikipedia