-
1 цезий
цезий
—
[ 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)
[http://www.eionet.europa.eu/gemet/alphabetic?langcode=en]Тематики
EN
DE
FR
Русско-немецкий словарь нормативно-технической терминологии > цезий
-
2 облучение продуктов питания
облучение продуктов питания
—
[ http://www.eionet.europa.eu/gemet/alphabetic?langcode=en]EN
food irradiation
The most recent addition to food preservation technologies is the use of ionizing radiation, which has some distinct advantages over conventional methods. With irradiation, foods can be treated after packaging, thus eliminating post-processing contamination. In addition, foods are preserved in a fresh state and can be kept longer without noticeable loss of quality. Food irradiation leaves no residues, and changes in nutritional value due to irradiation are comparable with those produced by other processes. Irradiation is the process of applying high energy to a material, such as food, to sterilize or extend its shelf-life by killing microorganisms, insects and other pests residing on it. Sources of ionizing radiation that have been used include gamma rays, electron beams and X-rays. Gamma rays are produced by radioactive isotopes such as Cobalt-60. Electron beams are produced by linear accelerators, which themselves are powered by electricity. The dose applied to a product is the most important factor of the process. At high doses, food is essentially sterilized, just as occurs in canning. Products so treated can be stored at room temperature almost indefinitely. Controversial and banned in some countries. (Source: IFSE / VCN)
[http://www.eionet.europa.eu/gemet/alphabetic?langcode=en]Тематики
EN
DE
FR
Русско-немецкий словарь нормативно-технической терминологии > облучение продуктов питания
См. также в других словарях:
gamma radiation — n radiation that is composed of gamma rays and is used in cancer radiotherapy … Medical dictionary
Gamma radiation — Гамма излучение (вид ионизирующего излучения) электромагнитное излучение, испускаемое при радиоактивном распаде и ядерных реакциях, распространяющееся со скоростью света и обладающее большой энергией и проникающей способностью. Эффективно… … Термины атомной энергетики
gamma radiation — noun electromagnetic radiation emitted during radioactive decay and having an extremely short wavelength • Syn: ↑gamma ray • Hypernyms: ↑electromagnetic radiation, ↑electromagnetic wave, ↑nonparticulate radiation • Part Holonyms: ↑ … Useful english dictionary
gamma radiation — gama spinduliuotė statusas T sritis fizika atitikmenys: angl. gamma radiation; gamma rays; γ rays vok. Gamma Strahlen, m; Gamma Strahlung, f; γ Strahlen, m rus. гамма излучение, n; гамма лучи, m; γ лучи, m pranc. gamma rayonnement, m; rayonnement … Fizikos terminų žodynas
gamma radiation — gama spinduliuotė statusas T sritis Standartizacija ir metrologija apibrėžtis Fotoninė diskrečiojo spektro spinduliuotė, susidaranti kintant energinėms atomų branduolių būsenoms arba anihiliuojant elementariosioms dalelėms. Tai trumpųjų bangų… … Penkiakalbis aiškinamasis metrologijos terminų žodynas
gamma radiation — gama spinduliuotė statusas T sritis chemija apibrėžtis Trumpųjų bangų (λ = 0,1 nm) elektromagnetinė spinduliuotė. atitikmenys: angl. gamma radiation; gamma rays; gamma particle radiation rus. гамма излучение; гамма лучи … Chemijos terminų aiškinamasis žodynas
gamma radiation — gama spinduliuotė statusas T sritis Energetika apibrėžtis Elektromagnetinė spinduliuotė, kuri atsiranda keičiantis branduoliams arba išmedžiagėjant (anihiliuojantis) dalelėms. atitikmenys: angl. gamma radiation vok. Gammastrahlung, f rus. гамма… … Aiškinamasis šiluminės ir branduolinės technikos terminų žodynas
gamma radiation — gama spinduliuotė statusas T sritis apsauga nuo naikinimo priemonių apibrėžtis Jonizuojančioji spinduliuotė, kuri spinduliuoja labai trumpas, bet turinčias labai didelę energiją elektromagnetines bangas. Jas spinduliuoja sužadinti atomų… … Apsaugos nuo naikinimo priemonių enciklopedinis žodynas
gamma radiation detector — gama spinduliuotės detektorius statusas T sritis Standartizacija ir metrologija apibrėžtis Detektorius gama spinduliuotei aptikti. atitikmenys: angl. gamma radiation detector vok. Gamma Strahlungsdetektor, m rus. детектор гамма излучения, m pranc … Penkiakalbis aiškinamasis metrologijos terminų žodynas
gamma radiation detector — gama spinduliuotės detektorius statusas T sritis fizika atitikmenys: angl. gamma radiation detector vok. Gamma Strahlungsdetektor, m rus. детектор гамма излучения, m pranc. détecteur de radiation gamma, m … Fizikos terminų žodynas
gamma radiation — noun Date: 1904 radiation composed of gamma rays … New Collegiate Dictionary