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rayonnement ionisant naturel

background radiation

milieu naturel - iate.europa.eu

Les rayons cosmiques et la décomposition des isotopes radioactifs sont les principales sources de rayonnement ionisant naturel sur terre, appelées rayonnements de fond “exemple”.

Cosmic rays and the decay of radioactive isotopes are the primary sources of natural ionizing radiation on Earth referred to as background radiation.

général - CCMatrix (Wikipedia + CommonCrawl)

L’UNSCEAR rapporte que la dose moyenne de rayonnement de fond [rayonnement ionisant naturel] que l’homme reçoit dans le monde est d’environ 2,4 mSv chaque année, mais qu’il varie généralement entre 1 et 10 mSv.

UNSCEAR reports that the average natural background radiation dose to human beings worldwide is about 2.4 mSv2 each year, but this varies typically over the range 1-10 mSv.

général - CCMatrix (Wikipedia + CommonCrawl)

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Predictive radiological background distributions from geologic data... Recent experience during the Fukushima nuclear power plant accident exposed the need for better knowledge of the normal radiological landscape before a radioactive release occurs, and modern search algorithms are increasingly making use of a priori data to estimate anticipated background radiation distributions....

industries nucléaire et électrique / sciences naturelles et appliquées / détérioration de l'environnement - core.ac.uk - PDF: www2.nstec.com

Carbon ionization states and the cosmic far-uv background with heii absorptionWe constrain the spectrum of the cosmic ultraviolet background radiation byfitting the observed abundance ratios carbon ions at $z\sim 2\hbox{--}3$ withthose expected from different models of the background radiation....

PDF: arxiv.org

Study of natural background radiation in kathmandu valleyThe study of natural background radiation dose at thirty two locations of Kathmandu valley has been done successfully using the instrument Radalert 100....

PDF: doaj.org

Cosmic archeology with the cosmic microwave background radiation... The Cosmic Microwave Background Radiation (CMBR) is one of the observables used to give this support being the most ancient electromagnetic signal we can detect, the oldest direct source from the ...

PDF: doaj.org

The high background radiation area in ramsar iran: geology, norm, biology, lnt, and possible regulatory fun... Curiously, inhabitants of this region seem to have no greater incidence of cancer than those in neighboring areas of normal background radiation levels, and preliminary studies suggest their blood cells experience fewer induced chromosomal abnormalities when exposed to 150 rem ''challenge'' doses of...

PDF: digital.library.unt.edu

rayonnement ionisant naturel

ambient radiation

milieu naturel - iate.europa.eu

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Nrc tld direct radiation monitoring network progress report, october--december 1994. volume 14, no. 4... It provides the ambient radiation levels measured in the vicinity of 75 sites throughout the United States....

général - core.ac.uk - PDF: digital.library.unt.edu

Nrc tld direct radiation monitoring network: progress report, july--september 1997. volume 17, number 3...Nuclear Regulatory Commission (NRC) Direct Radiation Monitoring Network is operated by the NRC in cooperation with participating states to provide continuous measurement of the ambient radiation levels around licensed NRC facilities, primarily power reactors....

PDF: digital.library.unt.edu

The spectral energy distribution of the scattered light from dark cloudsA dark cloud is exposed to the ambient radiation field of integrated starlight in the Galaxy....

PDF: hdl.handle.net

Ambient dose during intraoral radiography with current techniques: part 1 conversion factor for scattered radiation using a rectangular collimator... Results: The scattered ambient radiation dose was evenly distributed over the horizontal plane....

PDF: www.loc.gov

1 magnetic fields of nearby active galactic nuclei and correlation of the highest-energy cosmic rays with their positions... We estimate also the attenuation of highest-energy cosmic rays in a result of their interaction with ambient radiation field

PDF: citeseerx.ist.psu.edu