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Beryllium-7 specific activity in surface air and its correlation with meteorological variables, solar zenith angle, and number of sunspots
(RAD Association, 2016)
This analysis presents linear correlations of beryllium-7 specific activity in surface air with several variables measured in Helsinki, Finland, over 1987-2011. Measurements of beryllium-7 are linearly correlated with the ...
Radioactivity in environment of Stara Planina mountain, in area of summer school for mountain animal breeding
(RAD Association, 2016)
The aim of this paper was to investigate the activity concentration of natural radionuclides K-40, U-238, Ra-226, Th-232 and the anthropogenic radionuclide Cs-137 in the samples of soil, moss, hey, corn, yarrow, houseleek, ...