natural background radiation

См. также в других словарях:

• natural background radiation — gamtinis jonizuojančiosios spinduliuotės fonas statusas T sritis fizika apibrėžtis Jonizuojančioji spinduliuotė, kurią sudaro kosminė ir gamtinių radioaktyviųjų izotopų spinduliuotė. atitikmenys: angl. natural background radiation vok. natürliche …   Lithuanian dictionary (lietuvių žodynas)

• Background radiation — This article is about ionizing radiation. For microwave background radiation from space, see Cosmic background radiation and cosmic background. Thermal radiation emitted by Earth is not considered in this category because it is not ionizing.… …   Wikipedia

• background radiation — radiation arising from radioactive material other than that directly under consideration or study. Background radiation due to cosmic rays and natural radioactivity in the environment is always present; additional background radiation may be due… …   Medical dictionary

• background radiation — n. 1. Astron. low intensity, multidimensional microwave radiation present in space: its existence is used to support the validity of the big bang theory since it is thought to be a remnant of the original explosion 2. Physics low levels of… …   Universalium

• background radiation — n. 1. Astron. low intensity, multidimensional microwave radiation present in space: its existence is used to support the validity of the big bang theory since it is thought to be a remnant of the original explosion 2. Physics low levels of… …   English World dictionary

• natural background — noun The radiation due to natural radioactivity and to cosmic rays, enhanced by contamination and fallout • • • Main Entry: ↑natural …   Useful english dictionary

• 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 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 hardening — is a method of designing and testing electronic components and systems to make them resistant to damage or malfunctions caused by ionizing radiation (particle radiation and high energy electromagnetic radiation),[1] such as would be encountered… …   Wikipedia

• Background count — Background count, in radioactivity measurements, is the base level radiation count which is subtracted from the measurement being taken.Various sources may contribute to the background count: cosmic rays, natural radioactivity in the environment… …   Wikipedia