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001-es BibID:	BIBFORM044691
Első szerző:	Sahota, H. S.
Cím:	Diurnal and monthly variation of indoor radon and thoron progeny concentrations at a hillside place of northern India / Sahota H. S., Singh K., Singh M., Singh S., Papp Z.
Dátum:	2004
Megjegyzések:	The natural radioactivity levels all over the world can create health problems due to the inhalation of radioactive aerosols. Radon and thoron progeny content of indoor air have major contribution to natural radiation dose. In the present study, simultaneous indoor measurements of radon and thoron progeny concentrations have been carried out over a period of four months at a low activity hilly area of northern Punjab, India to see their diurnal and monthly variations. The method used for this purpose is based on the defined solid angle absolute beta counting of radioactive aerosols sampled on a filter. The average values of equilibrium equivalent radon and thoron concentrations were 5.20 Bq m-3 and 0.235 Bq m-3, respectively, over the period August to November 2003. Both, EECRn and EECTh show a negative correlation with temperature.
Tárgyszavak:	Természettudományok Fizikai tudományok idegen nyelvű folyóiratközlemény külföldi lapban environment radon progeny thoron progeny air activity concentration
Megjelenés:	Journal of Environmental Science and Engineering. - 46 : 3 (2004), p. 233-238. -
További szerzők:	Singh, Kulwant Singh, Manmohan Singh, Surinder Papp Zoltán (1959-) (fizikus)
Pályázati támogatás:	T023181 OTKA
Internet cím:	Intézményi repozitóriumban (DEA) tárolt változat
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