radiation risks

См. также в других словарях:

• 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 hormesis — (also called Radiation homeostasis) is the hypothesis that chronic low doses of ionizing radiation are beneficial, stimulating repair mechanisms that protect against disease.Cite journal doi = 10.1038/421691a issn = 0028 0836 volume = 421 issue …   Wikipedia

• Radiation dose reconstruction — refers to the process of estimating radiation doses that were received by individuals or populations in the past as a result of particular exposure situations of concern.[1] The basic principle of radiation dose reconstruction is to characterize… …   Wikipedia

• Risks to civilization, humans and planet Earth — This article is about the near and very far future. For past civilizations, see Societal collapse. Contents 1 Types of risks 2 Future scenarios 2.1 …   Wikipedia

• Radiation Ionisante — Rayonnement ionisant En irradiation externe, le rayonnement alpha (constitué de noyaux d hélium) est simplement arrêté par une feuille de papier. Le rayonnement bêta (constitué d électrons ou de positrons) est arrêté par une plaque d aluminium.… …   Wikipédia en Français

• Radiation ionisante — Rayonnement ionisant En irradiation externe, le rayonnement alpha (constitué de noyaux d hélium) est simplement arrêté par une feuille de papier. Le rayonnement bêta (constitué d électrons ou de positrons) est arrêté par une plaque d aluminium.… …   Wikipédia en Français

• Committee on Medical Aspects of Radiation in the Environment — The Committee on Medical Aspects of Radiation in the Environment (COMARE) is a UK wide advisory committee set up by the British government. It was established in 1985.[1] The terms of reference of COMARE are: to assess and advise Government and… …   Wikipedia

• Mobile phone radiation and health — A man speaking on a mobile telephone The effect of mobile phone radiation on human health is the subject of recent interest and study, as a result of the enormous increase in mobile phone usage throughout the world (as of June 2009 …   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

• Ionizing radiation — consists of highly energetic particles or waves that can detach (ionize) at least one electron from an atom or molecule. Ionizing ability depends on the energy of the impinging individual particles or waves, and not on their number. A large flood …   Wikipedia

• Intraoperative Electron Radiation Therapy — (or IOERT ) is the application of electron radiation directly to the residual tumor or tumor bed during cancer surgery. IOERT has been called precision radiotherapy , as the physician has direct visualization of the tumor, can exclude normal… …   Wikipedia