radiation action measure

См. также в других словарях:

• Radiation therapy — Radiation (medicine) redirects here. It is not to be confused with Radiation (pain) or Radiology. Radiation therapy Intervention ICD 10 PCS D ICD 9 CM …   Wikipedia

• 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

• radiation measurement — ▪ technology Introduction       technique for detecting the intensity and characteristics of ionizing radiation, such as alpha, beta, and gamma rays or neutrons, for the purpose of measurement.       The term ionizing radiation refers to those… …   Universalium

• measure — {{Roman}}I.{{/Roman}} noun 1 official action to deal with a problem ADJECTIVE ▪ appropriate, effective, necessary, practical ▪ We urge you to adopt all necessary measures to guarantee people s safety. ▪ key …   Collocations dictionary

• electromagnetic radiation — Physics. radiation consisting of electromagnetic waves, including radio waves, infrared, visible light, ultraviolet, x rays, and gamma rays. [1950 55] * * * Energy propagated through free space or through a material medium in the form of… …   Universalium

• Cherenkov radiation — glowing in the core of the Advanced Test Reactor …   Wikipedia

• Čerenkov radiation — (also spelled Cerenkov or Cherenkov) is electromagnetic radiation emitted when a charged particle (such as an electron) passes through an insulator at a speed greater than the speed of light in that medium. The characteristic blue glow of nuclear …   Wikipedia

• Image-guided radiation therapy — (IGRT) is the process of frequent two and three dimensional imaging, during a course of radiation treatment, used to direct radiation therapy utilizing the imaging coordinates of the actual radiation treatment plan. The patient is localized in… …   Wikipedia

• Electromagnetic radiation and health — Electromagnetic radiation can be classified into ionizing radiation and non ionizing radiation, based on whether it is capable of ionizing atoms and breaking chemical bonds. Ultraviolet and higher frequencies, such as X rays or gamma rays are… …   Wikipedia

• Photosynthetically active radiation — The expression Photosynthetically Active Radiation, often abbreviated PAR, designates the spectral range of solar light from 400 to 700 nanometers that is useful to terrestrial plants in the process of photosynthesis. This spectral region… …   Wikipedia

• ГОСТ 25645.321-87: Стойкость полимерных материалов радиационная. Термины и определения — Терминология ГОСТ 25645.321 87: Стойкость полимерных материалов радиационная. Термины и определения оригинал документа: 1. Активирующее излучение Ионизирующее излучение, после воздействия которого полимерный материал становится радиоактивным… …   Словарь-справочник терминов нормативно-технической документации