- gamma-emitting isotopes
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English-Bulgarian polytechnical dictionary . 2013.
gamma-emitting isotopes
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Commonly used gamma emitting isotopes — Radionuclides which emit gamma radiation are valuable in a range of different industrial, scientific and medical technologies. This article lists some common gamma emitting radionuclides of technological importance, and their properties. Contents … Wikipedia
Commonly-used gamma emitting isotopes — Fission products Caesium 137 is a radioactive isotope which is formed mainly by nuclear fission. It has a half life of 30 years, and decays by pure beta decay to a metastable state of barium 137 (Ba 137m). Barium 137m has a half life of minutes… … Wikipedia
Gamma ray — Gamma rays (denoted as gamma;) are a form of electromagnetic radiation or light emission of frequencies produced by sub atomic particle interactions, such as electron positron annihilation or radioactive decay. Gamma rays are generally… … Wikipedia
Isotopes of technetium — Technetium (Tc) is one of the two elements in the first 82 that have no stable isotopes (in fact, it is the lowest numbered element that is exclusively radioactive); the other such element is promethium. [ LANL Periodic Table , Technetium… … Wikipedia
Gamma camera — A gamma camera is a device used to image gamma radiation emitting radioisotopes, a technique known as scintigraphy. The applications of scintigraphy include early drug development and nuclear medical imaging to view and analyse images of the… … Wikipedia
Isotopes of helium — Although there are eight known isotopes of helium (He) (standard atomic mass: 4.002602(2) u), only helium 3 (SimpleNuclide|Helium|3) and helium 4 (SimpleNuclide|Helium|4) are stable. In the Earth s atmosphere, there is one SimpleNuclide|Helium|3… … Wikipedia
gamma ray — Physics. 1. a photon of penetrating electromagnetic radiation (gamma radiation) emitted from an atomic nucleus. 2. a photon emitted by an electron as a result of internal conversion. 3. electromagnetic radiation with wavelengths shorter than… … Universalium
List of fictional elements, materials, isotopes and atomic particles — This list contains chemical elements, materials, isotopes or (sub)atomic particle that exist primarily in works of fiction (usually fantasy or science fiction). No actual periodic elements end in ite , though many minerals have names with this… … Wikipedia
actinide element — ▪ chemical element group Introduction any of a series of 15 consecutive chemical elements in the periodic table from actinium to lawrencium (atomic numbers 89–103). As a group they are significant largely because of their radioactivity.… … Universalium
Caesium-137 — For the band, see Cesium 137 (band). Caesium 137 Full table General Name, symbol Caesium 137,137Cs Neutrons 82 … Wikipedia
Radiography — For medical radiography see: RadiologyRadiography is the use of X rays to view unseen or hard to image objects. The main diagnostic purposes of X rays are to see inside ones body, especially of the brain and fetus, where the bones can be viewed… … Wikipedia
