- tracer Studies
- Экология: исследования с помощью радиоактивных индикаторов
Универсальный англо-русский словарь. Академик.ру. 2011.
tracer Studies
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Flow tracer — A flow tracer is any fluid property used to track flow. The concentration of a chemical compound in the fluid can be used as a chemical tracer, and characteristics such as temperature are physical tracers. Tracers may be artificially introduced,… … Wikipedia
Sediment Profile Imagery — (SPI) is an underwater technique for photographing the interface between the seabed and the overlying water. The technique is used to measure or estimate biological, chemical, and physical processes occurring in the first few centimetres of… … Wikipedia
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radiation — radiational, adj. /ray dee ay sheuhn/, n. 1. Physics. a. the process in which energy is emitted as particles or waves. b. the complete process in which energy is emitted by one body, transmitted through an intervening medium or space, and… … Universalium
fat — fatless, adj. fatlike, adj. /fat/, adj., fatter, fattest, n., v., fatted, fatting. adj. 1. having too much flabby tissue; corpulent; obese: a fat person. 2. plump; well fed: a good, fat chicken. 3. consisting of or containing fat; greasy; oily:… … Universalium
carbon 13 — noun : a heavy isotope of carbon having the mass number 13, constituting about 1/70 of natural carbon, and used in tracer studies in chemistry and biology symbol C13 or 13C * * * the stable isotope of carbon having an atomic mass number 13, used… … Useful english dictionary
Non-classical ion — Non classical ions in organic chemistry are a special type of carbonium ions displaying delocalization of sigma bonds in 3 center 2 electron bonds of bridged systems.[1] The term non classical ion was first used by John D. Roberts in 1951[2][3]… … Wikipedia
Carbonic acid — Not to be confused with carbolic acid, an antiquated name for phenol. Carbonic acid is also an archaic name for carbon dioxide Carbonic acid … Wikipedia
Hevesy, Georg Charles von — ▪ Hungarian Swedish chemist also called George Charles de Hevesy born Aug. 1, 1885, Budapest, Austria Hungary [now in Hungary] died July 5, 1966, Freiburg im Breisgau, W.Ger. chemist and recipient of the 1943 Nobel Prize for Chemistry.… … Universalium
David Wolf (astronaut) — David Alexander Wolf NASA Astronaut Nationality American Born August 23, 1956 (1956 08 23 … Wikipedia
