{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,23]],"date-time":"2026-08-23T04:21:41Z","timestamp":1787458901658,"version":"build-2736575974"},"reference-count":24,"publisher":"Walter de Gruyter GmbH","issue":"4","license":[{"start":{"date-parts":[[2019,12,1]],"date-time":"2019-12-01T00:00:00Z","timestamp":1575158400000},"content-version":"unspecified","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2019,12,1]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:p>\n                    This article presents yearly mean concentrations of cosmogenic radionuclides\n                    <jats:sup>7<\/jats:sup>\n                    Be and\n                    <jats:sup>22<\/jats:sup>\n                    Na occurring in dry and wet depositions (fallout) and aerosols. Time dependencies negatively correlated with the yearly mean number of sunspots. Activity concentrations of\n                    <jats:sup>7<\/jats:sup>\n                    Be and\n                    <jats:sup>22<\/jats:sup>\n                    Na in aerosols in the surface air had a correlation of near-unity.\n                    <jats:sup>7<\/jats:sup>\n                    Be in aerosols exhibited a smoother time dependence than\n                    <jats:sup>22<\/jats:sup>\n                    Na, implying that the production of\n                    <jats:sup>22<\/jats:sup>\n                    Na is more sensitive to the solar activity than the production of\n                    <jats:sup>7<\/jats:sup>\n                    Be. The effect of the measured doses on the general population through internal and external exposure to radiation from cosmogenic radionuclides was small.\n                  <\/jats:p>","DOI":"10.2478\/aiht-2019-70-3336","type":"journal-article","created":{"date-parts":[[2019,12,22]],"date-time":"2019-12-22T04:31:09Z","timestamp":1576989069000},"page":"290-295","source":"Crossref","is-referenced-by-count":2,"title":["Negative correlation between the number of sunspots and the occurrence of\n                    <sup>7<\/sup>\n                    Be and\n                    <sup>22<\/sup>\n                    Na in the surface air and their contribution to radiation doses"],"prefix":"10.2478","volume":"70","author":[{"given":"Drago","family":"Brodnik","sequence":"first","affiliation":[{"name":"Jo\u017eef Stefan Institute , Ljubljana , Slovenia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Denis","family":"Glavi\u010d-Cindro","sequence":"additional","affiliation":[{"name":"Jo\u017eef Stefan Institute , Ljubljana , Slovenia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Matja\u017e","family":"Korun","sequence":"additional","affiliation":[{"name":"Jo\u017eef Stefan Institute , Ljubljana , Slovenia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Marijan","family":"Ne\u010demer","sequence":"additional","affiliation":[{"name":"Jo\u017eef Stefan Institute , Ljubljana , Slovenia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Petra","family":"Maver-Modec","sequence":"additional","affiliation":[{"name":"Danfoss Trata d.o.o., Danfoss District Energy, Ljubljana , Slovenia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Toni","family":"Petrovi\u010d","sequence":"additional","affiliation":[{"name":"Jo\u017eef Stefan Institute , Ljubljana , Slovenia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Tim","family":"Vidmar","sequence":"additional","affiliation":[{"name":"Belgian Nuclear Research Centre , Mol , Belgium"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Branko","family":"Vodenik","sequence":"additional","affiliation":[{"name":"Jo\u017eef Stefan Institute , Ljubljana , Slovenia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Benjamin","family":"Zorko","sequence":"additional","affiliation":[{"name":"Jo\u017eef Stefan Institute , Ljubljana , Slovenia"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"374","published-online":{"date-parts":[[2019,12,21]]},"reference":[{"key":"2026082303513643369_j_aiht-2019-70-3336_ref_001_w2aab3b7b6b1b6b1ab1ab1Aa","doi-asserted-by":"crossref","unstructured":"1. B\u0142a\u017cej S, Mietelski JW. Cosmogenic 22Na, 7Be and terrestrial 137Cs, 40K radionuclides in ground level air samples collected weekly in Krak\u00f3w (Poland) over years 2003\u20132006. J Radioanal Nucl Chem 2014;300:747\u201356. doi: 10.1007\/s10967-014-3049-610.1007\/s10967-014-3049-6","DOI":"10.1007\/s10967-014-3049-6"},{"key":"2026082303513643369_j_aiht-2019-70-3336_ref_002_w2aab3b7b6b1b6b1ab1ab2Aa","doi-asserted-by":"crossref","unstructured":"2. Tokuyama H, Igarashi S. Seasonal variation in the environmental background level of cosmic-ray-produced 22Na at Fukui city, Japan. J Environ Radioact 1998;38:147\u201361. doi: 0.1016\/S0265-931X(97)88739-510.1016\/S0265-931X(97)88739-5","DOI":"10.1016\/S0265-931X(97)88739-5"},{"key":"2026082303513643369_j_aiht-2019-70-3336_ref_003_w2aab3b7b6b1b6b1ab1ab3Aa","doi-asserted-by":"crossref","unstructured":"3. Steinmann P, Zeller M, Beuret P, Ferreri G, Estier S. Cosmogenic 7Be and 22N in ground level air in Switzerland (1994\u20132011). 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