activity of a radioactive material

activity of a radioactive material
активність радіоактивної речовини

English-Ukrainian analytical chemistry dictionary. 2013.

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Смотреть что такое "activity of a radioactive material" в других словарях:

  • Radioactive (disambiguation) — Radioactive describes something undergoing radioactive decay, the process by which an unstable atom emits radiationOtherwise the terms radioactive and radioactivity may refer to:Radioactive materials*Naturally occurring radioactive material… …   Wikipedia

  • Radioactive waste — 2007 ISO radioactivity danger logo, designed in part for long term radioactive waste depositories which might survive into a far future time in which all knowledge of the meaning of present common radiation danger symbols and signs has been lost… …   Wikipedia

  • Radioactive decay — For particle decay in a more general context, see Particle decay. For more information on hazards of various kinds of radiation from decay, see Ionizing radiation. Radioactive redirects here. For other uses, see Radioactive (disambiguation).… …   Wikipedia

  • Radioactive contamination — The radiation warning symbol (trefoil) …   Wikipedia

  • activity — /ak tiv i tee/, n., pl. activities. 1. the state or quality of being active: There was not much activity in the stock market today. He doesn t have enough physical activity in his life. 2. a specific deed, action, function, or sphere of action:… …   Universalium

  • activity — 1. In electroencephalography, the presence of neurogenic electrical energy. 2. In physical chemistry, an ideal concentration for which the law of mass action will apply perfectly; the ratio of the a. to the true concentr …   Medical dictionary

  • radioactive isotope — ▪ chemistry also called  radioisotope   any of several species of the same chemical element with different masses whose nuclei are unstable and dissipate excess energy by spontaneously emitting radiation in the form of alpha, beta, and gamma rays …   Universalium

  • material — ma|te|ri|al1 [ mə tıriəl ] noun *** ▸ 1 cloth ▸ 2 substances (for something) ▸ 3 for book/movie/song ▸ 4 things used for activity ▸ 5 someone appropriate for something 1. ) count or uncount cloth: Her dress was made of a thin lacy material. heavy …   Usage of the words and phrases in modern English

  • material — I UK [məˈtɪərɪəl] / US [məˈtɪrɪəl] noun Word forms material : singular material plural materials *** 1) [countable/uncountable] cloth Her dress was made of a thin lacy material. heavy material for making curtains 2) a) [uncountable] a substance,… …   English dictionary

  • specific activity — /spəˌsɪfɪk ækˈtɪvəti/ (say spuh.sifik ak tivuhtee) noun 1. Physics the activity per unit mass of a pure radioactive isotope. 2. Physics the activity of a radioactive isotope in a material per unit mass of that material. 3. Biochemistry the… …  

  • specific activity — 1. activity per unit weight of a radioactive material, or the activity of a radioisotope per unit weight of the element (including stable isotopes) present. 2. the catalytic effect of an enzyme expressed as units per milligram of enzyme …   Medical dictionary

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