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pro vyhledávání: '"D.E. Dawson"'
Akademický článek
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Publikováno v:
Health Physics. 79:154-161
137Cs activity concentrations were determined in vegetation from four Irish blanket bog ecosystems during the summer months of 1989-1997. The dominant and abundant vegetation species were sampled at each site and the data were used to estimate long-t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5a85dfba76b58c22be3f0678191e59c3
https://doi.org/10.1097/00004032-200008000-00008
https://doi.org/10.1097/00004032-200008000-00008
Publikováno v:
Journal of Environmental Radioactivity. 48:131-143
Field and laboratory studies demonstrate two processes involved in 137Cs migration in coniferous forest soil. The data illustrate that the effects of leaching and litter accumulation combine, over the time interval since deposition, to achieve the ob
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bd09c59a4eaa547fc10850ce4212fe12
https://doi.org/10.1016/s0265-931x(99)00027-2
https://doi.org/10.1016/s0265-931x(99)00027-2
Autor:
D. S. Veresoglou, B.H. Fawaris, A.T. McGarry, E.J. McGee, K.J. Johanson, Sven Poul Nielsen, Nikolaos Barbayiannis, H.J. Synnott, D.E. Dawson, V. H. Kennedy, A.D. Horrill, P.A. Colgan
Publikováno v:
Journal of Environmental Radioactivity. 48:59-78
An assessment of the distribution of Chernobyl fallout in a Swedish forest was carried out and showed more than 95% of the 137 Cs in the system to be of Chernobyl origin. The data show that approximately 87% of total fallout is found in soils, 6% in
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9d41a61b42cabf9fce8391a437a02721
https://doi.org/10.1016/s0265-931x(99)00057-0
https://doi.org/10.1016/s0265-931x(99)00057-0
Akademický článek
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Publikováno v:
Science of The Total Environment. 153:69-76
The level of 137Cs and soil contaminating three winter fodders was determined on organic and mineral soil and the effect of harvesting, fodder storage and weather conditions on the contamination level was assessed. The mean level of soil contaminatio
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::02eb851bc274e08558a20522bc2dc322
https://doi.org/10.1016/0048-9697(94)90103-1
https://doi.org/10.1016/0048-9697(94)90103-1
Publikováno v:
Science of The Total Environment. 145:135-141
137Cs and 40K were analyzed in pasture grass and soils throughout a 12-month period. The titanium content of the samples was determined as a marker of soil contamination of the grass samples. The 137Cs activity concentration in the grass was closely
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d14d82d670c0e4acc0f136707840e1df
https://doi.org/10.1016/0048-9697(94)90304-2
https://doi.org/10.1016/0048-9697(94)90304-2
Akademický článek
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Autor:
D.E. Dawson
Publikováno v:
Proceedings of 1994 IEEE GaAs IC Symposium.
This paper addresses the thermal management issues associated with fabricating microwave power devices. Thermal management of microwave devices includes: modeling thermal resistance with techniques such as Green's function/method of images, conformal
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0ac2cb28148e77b2c57889888c9bb1b5
https://doi.org/10.1109/gaas.1994.636985
https://doi.org/10.1109/gaas.1994.636985
Autor:
D.M. Krafcsik, D.E. Dawson
Publikováno v:
Microwave and Millimeter-Wave Monolithic Circuits.
A closed form expression for the modeling of rectangular spiral inductors to twice the self-resonant frequency is derived and compared to experimental results. The mutual inductance effects of the ground plane, and phase shift effects are considered
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9f3cc554708a2552bc6c590a8fc812b4
https://doi.org/10.1109/mcs.1986.1114485
https://doi.org/10.1109/mcs.1986.1114485