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естественная радиоактивность
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[http://www.eionet.europa.eu/gemet/alphabetic?langcode=en] |
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natural radioactivity
Radiation stemming mainly from uranium, present in small amounts in many rocks, soils, building material, etc. (Source: BRACK)
[http://www.eionet.europa.eu/gemet/alphabetic?langcode=en] |
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EN
DE
- natürliche Radioaktivität
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