Zobrazeno 1 - 10
of 499
pro vyhledávání: '"C. Papastefanou"'
Akademický článek
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Autor:
E. Gerasopoulos, M. O. Andreae, C. S. Zerefos, T. W. Andreae, D. Balis, P. Formenti, P. Merlet, V. Amiridis, C. Papastefanou
Publikováno v:
Atmospheric Chemistry and Physics, Vol 3, Iss 6, Pp 2025-2041 (2003)
Measurements of aerosol optical properties (aerosol optical depth, scattering and backscattering coefficients) have been conducted at two ground-based sites in Northern Greece, Ouranoupolis (40° 23' N, 23° 57' E, 170 m a.s.l.) and Thessaloniki (40
Externí odkaz:
https://doaj.org/article/d617dfc65e31498395a85e0c3e67ea7c
Publikováno v:
Natural Hazards and Earth System Sciences, Vol 1, Iss 3, Pp 159-164 (2001)
A network of three radon stations has been established in the Langadas Basin, northern Greece for radon monitoring by various techniques in earthquake prediction studies. Specially made devices with plastic tubes including Alpha Tracketch Detectors (
Externí odkaz:
https://doaj.org/article/3ad926baac364b02ac24200222cca416
Autor:
C. Papastefanou
Publikováno v:
Annals of Geophysics, Vol 50, Iss 4 (2007)
Instruments for the measurements of radon and its decay products in earthquake research are based mostly on the detection of alpha particles. The devices and methods used depend on whether the techniques measure radon or radon decay products, and t
Externí odkaz:
https://doaj.org/article/51431f6d9833415ab51b5d7ead403572
Autor:
C. Papastefanou, Alexandra Ioannidou
Publikováno v:
HNPS Proceedings. 5:185
N/A
Publikováno v:
Geochemistry. 74:749-764
One hundred and twenty one samples from every major plutonic body (mainly granitic) of Greece have been analyzed by γ-ray spectrometry to determine the specific activities of 238 U, 232 Th and 40 K (Bq/kg). The range of the activity concentrations o
Akademický článek
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Autor:
C. Papastefanou, Mauro Bonardi, E. M. Manolopoulou, Stylianos Stoulos, Simone Manenti, Alexandra Ioannidou, Flavia Groppi, Luigi Gini, E. Vagena
Publikováno v:
Journal of Radioanalytical and Nuclear Chemistry. 299:855-860
131I, 137Cs and 134Cs were observed in environmental samples in Milano (40°N), Italy and Thessaloniki (45°N), Greece, soon after the nuclear accident in Fukushima, Japan. The radionuclide concentrations were determined and studied as a function of
Autor:
Alexandra Ioannidou, Stylianos Stoulos, Flavia Groppi, Luigi Gini, E. Vagena, M. Manolopoulou, Simone Manenti, Elina Giannakaki, C. Papastefanou
Publikováno v:
Atmospheric Environment. 75:163-170
Analyses of 131I, 137Cs and 134Cs in airborne aerosols were carried out in daily samples at two different sites of investigation: Thessaloniki, Greece (40° N) and Milan, Italy (45° N) after the Fukushima accident during the period of March–April,
Publikováno v:
Applied Radiation and Isotopes. 75:95-104
Granitoid rocks belonging to plutons of Greece, covering a wide range of compositions and rock-types, have been studied for their specific activity (Bq/kg) of 238U and 226Ra from 238U radioactive series and 228Ra and 228Th from 232Th radioactive seri