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1 ядерный распад
ядерный распад
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[ http://www.eionet.europa.eu/gemet/alphabetic?langcode=en]EN
nuclear fission
The division of an atomic nucleus into parts of comparable mass; usually restricted to heavier nuclei such as isotopes of uranium, plutonium, and thorium. (Source: MGH)
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Русско-французский словарь нормативно-технической терминологии > ядерный распад
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2 ядерная энергия
ядерная энергия
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[ http://www.eionet.europa.eu/gemet/alphabetic?langcode=en]EN
nuclear energy
Energy released by nuclear fission or nuclear fusion. (Source: MGH)
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Русско-французский словарь нормативно-технической терминологии > ядерная энергия
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3 цезий
цезий
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[ http://www.eionet.europa.eu/gemet/alphabetic?langcode=en]EN
caesium
A soft silvery-white and highly reactive metal belonging to the alkali group of metals. It is a radiation hazard, because it can occur in two radioactive forms. Caesium-134 is produced in nuclear reactors, not directly by fission, but by the reaction. It emits beta- and gamma-radiation and has a half-life of 2.06 years. Caesium-137 is a fission product of uranium and occurs in the fallout from nuclear weapons. It emits beta- and gamma-rays and has a half-life of 30 years. Caesium-137 was the principal product released into the atmosphere, and hence the food chain, from atmospheric testing of nuclear weapons and from the Windscale fire and Chernobyl nuclear accidents. After the Chernobyl accident, which spread a radiation cloud across Europe, the European Commission proposed new and more restrictive limits on levels of caesium in food and drinking water. (Source: WRIGHT)
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Русско-французский словарь нормативно-технической терминологии > цезий
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4 плутоний
плутоний
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[ http://www.eionet.europa.eu/gemet/alphabetic?langcode=en]EN
plutonium
A highly toxic metallic transuranic element. It occurs in trace amounts in uranium ores and is produced in a nuclear reactor by neutron bombardment of uranium-238. The most stable and important isotope, plutonium-239, readily undergoes fission and is used as a reactor fuel in nuclear power stations and in nuclear weapons. (Source: CED)
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Русско-французский словарь нормативно-технической терминологии > плутоний
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5 опасность ядерной аварии
опасность ядерной аварии
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[ http://www.eionet.europa.eu/gemet/alphabetic?langcode=en]EN
nuclear hazard
Risk or danger to human health or the environment posed by radiation emanating from the atomic nuclei of a given substance, or the possibility of an uncontrolled explosion originating from a fusion or fission reaction of atomic nuclei. (Source: MHD / TOE)
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Русско-французский словарь нормативно-технической терминологии > опасность ядерной аварии
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6 ядерная реакция
ядерная реакция
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[ http://www.eionet.europa.eu/gemet/alphabetic?langcode=en]EN
nuclear reaction
A reaction involving a change in an atomic nucleus, such as fission, fusion, neutron capture, or radioactive decay, as distinct from a chemical reaction, which is limited to changes in the electron structure surrounding the nucleus. (Source: MGH)
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Русско-французский словарь нормативно-технической терминологии > ядерная реакция
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7 плавление стержня (атомн. энерг.)
плавление стержня (атомн. энерг.)
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[ http://www.eionet.europa.eu/gemet/alphabetic?langcode=en]EN
core meltdown
An accidental overheating of the part of the nuclear reactor where fission takes place, causing fuel elements and other parts of the reactor to melt, potentially leading to catastrophic consequences in which dangerous levels of radioactive materials would be released into the environment. (Source: FFD)
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Русско-французский словарь нормативно-технической терминологии > плавление стержня (атомн. энерг.)
См. также в других словарях:
nuclear fission — fission (def. 2). [1885 90] * * * Division of a heavy atomic nucleus into two fragments of roughly equal mass, accompanied by the release of a large amount of energy, the binding energy of the subatomic particles. The energy released in the… … Universalium
nuclear fission — uclear fission n. A nuclear reaction in which a heavy atomic nucleus splits into smaller nuclei with the simultaneous release of energy. Syn: fission. [WordNet 1.5] … The Collaborative International Dictionary of English
nuclear fission — n FISSION (2b) * * * the splitting of the nucleus of an atom, releasing a great quantity of kinetic energy … Medical dictionary
Nuclear fission — См. Ядерное деление Термины атомной энергетики. Концерн Росэнергоатом, 2010 … Термины атомной энергетики
nuclear fission — n [U] the splitting of the ↑nucleus (=central part) of an atom which results in a lot of power being produced … Dictionary of contemporary English
nuclear fission — noun uncount the process of breaking the central part of an atom into parts, producing energy … Usage of the words and phrases in modern English
nuclear fission — n. the splitting of the nuclei of atoms into two fragments of approximately equal mass, accompanied by conversion of part of the mass into energy: the principle of the atomic bomb … English World dictionary
Nuclear fission — For the generation of electrical power by fission, see Nuclear power. Splitting the atom redirects here. For the EP, see Splitting the Atom. Nuclear physics Radioactive decay Nuclear fission Nuclear fusio … Wikipedia
nuclear fission — branduolio dalijimasis statusas T sritis fizika atitikmenys: angl. nuclear fission vok. Kernspaltung, f rus. деление ядра, n pranc. fission nucléaire, f … Fizikos terminų žodynas
nuclear fission — branduolio dalijimasis statusas T sritis Energetika apibrėžtis Branduolinė reakcija, kurioje atomo branduolys pasidalija į kelis (paprastai į 2, rečiau į 3 ar 4) branduolius – dalijimosi skeveldras. atitikmenys: angl. nuclear fission vok.… … Aiškinamasis šiluminės ir branduolinės technikos terminų žodynas
Nuclear fission product — Nuclear fission products are the atomic fragments left after a large atomic nucleus fissions. Typically, a large nucleus like that of uranium fissions by splitting into two smaller nuclei, along with a few neutrons and a large release of energy… … Wikipedia