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Что (кто) такое Becquerel - определение
SI UNIT OF ACTIVITY OF A RADIOACTIVE SUBSTANCE
Bq; Becquerels; Megabecquerel; Yottabecquerel; Zettabecquerel; Exabecquerel; Petabecquerel; Terabecquerel; Gigabecquerel; Kilobecquerel; Hectobecquerel; Decabecquerel; Decibecquerel; Centibecquerel; Millibecquerel; Microbecquerel; Nanobecquerel; Picobecquerel; Attobecquerel; Femtobecquerel; Zeptobecquerel; Yoctobecquerel; ㏃; Bequerel; Becquerel (Bq); KBq; GBq; Becquerel (unit); Bequerels; Becquerel unit; Mega-becquerel; TBq; MBq; Rontobecquerel; Quectobecquerel; Ronnabecquerel; Quettabecquerel
becquerel
['b?k?r?l]
(abbrev.: Bq)
¦ noun Physics the SI unit of radioactivity, corresponding to one disintegration per second.
Origin
C19: named after the French physicist A-H. Becquerel.
Paul Becquerel
FRENCH BIOLOGIST (1879-1955)
Becquerel, Paul
Paul Becquerel (14 April 1879 – 22 June 1955) was a French biologist who studied seeds, their metabolism, and viability. He was a nephew of the physicist Henri Becquerel and taught at the Faculty of Sciences in Nancy and at the University of Poitiers.
Jean Becquerel
FRENCH PHYSICIST
Jean Antoine Edmond Marie Becquerel
Jean Antoine Edmond Marie Becquerel (5 February 1878 – 4 July 1953) was a French physicist, the son of Antoine-Henri Becquerel. He worked on a range of experimental physics topics including magnetic effects on the optical properties of materials, and the effects of low-temperature on magnetic susceptibility.
Википедия
Becquerel
The becquerel (English: ; symbol: Bq) is the unit of radioactivity in the International System of Units (SI). One becquerel is defined as the activity of a quantity of radioactive material in which one nucleus decays per second. For applications relating to human health this is a small quantity, and SI multiples of the unit are commonly used.
The becquerel is named after Henri Becquerel, who shared a Nobel Prize in Physics with Pierre and Marie Skłodowska Curie in 1903 for their work in discovering radioactivity.
Примеры употребления для Becquerel
1. They include Becquerel Crater in Arabia Terra, a densely cratered zone in the northern hemisphere, where rock layers can also be seen.
2. FISSION HISTORY 18'6: radioactivity was discovered by Henri Becquerel 1'47: the first UK research reactor started at Harwell 1'4': start of civil nuclear energy in Britain with decision that the next plutonium–producing reactors should generate electricity 1'56: first of four reactors, built at Calder Hall near Windscale in Cumbria, opened by the Queen 1'5': four more at Chapelcross opened. 1'7': Three Mile Island nuclear power plant near Harrisburg, Pennsylvania suffers a partial core meltdown.
3. PM –– Key dates in the history of nuclear power: 18'7: French scientists Marie Curie and Henri Becquerel discover radioactivity. 1'42: Manhattan Project begins, creating top–secret nuclear research and production facilities. 1'51: U.S. reactor creates first usable electricity from nuclear fission. 1'56: France‘s first nuclear reactor goes on line. 1'7': Accident at Three Mile Island in Pennsylvania causes partial meltdown, halting expansion of U.S. nuclear industry and spurring the anti–nuclear movement. 1'86: Reactor at Chernobyl plant in Soviet Union explodes, killing four people immediately and exposing millions to radiation, which reached as far as Sweden and Germany.