DISTRIBUTION OF INDOOR THORON AND ITS PROGENY LEVELS IN A DWELLING

صلاخلا ـ ة : مت رايتخا مجحب ةفرغ 31 م 3 زومرب ناردجلا فينصت و ) غ ( , ) ش ( , ) ج ( , ) م ( , ) س ( و ) أ ( برغ ىلإ ةراشإ , و قرش , و بونج , و لامش , و و فقس عباتتلاب ةيضرأ . و يه ةتباث ةفاسم ىلع ةيعاعشلإا تاعرجلل اسايقم رشع ةينامث ليمحت مت 74 يبرغلا طئاحلا نم مس , و 533 شلا طئاحلا نم مس يقر , و 105 و فقسلا نم مس 191 ةفرغلا ةيضرأ نم مس . و ةدمل باوبلأا و ذفاونلا عيمج قلاغإ مت 90 تايوتسم تاريغت ةبقارمل اموي Rn هبسنو ةحارص ناردجلا نم ةفاسملا ىلإ رظنلاب , و ةيضرلأا و فقسلا . و مت اقم تيبثت كلذآ سيي لامل يلفس و يولع ءىفاكم عطق طمنب ةيعاعشلإا تاعرجلا تاريغتلا ةظح . مت دقل ت ناردج ىلع ةعفترم زيآارت ةظحلام , و اهنع اديعب فشاكلا كيرحت دنع ضفخنت اهنكل و ةفرغلا ةيضرأ و فقس . لا ىلعو مغر نم كلذ , يأ نإف ةللاس زيآرتل ردقم ريغت Rn ةفاسملا ريغتب رهظي مل .

[1]  M. Chandrashekara,et al.  Concentrations of radon and its daughter products in and around Bangalore city. , 2008, Radiation protection dosimetry.

[2]  N. Karunakara,et al.  CONCENTRATIONS OF 226Ra, 232Th, AND 40K IN THE SOILS OF BANGALORE REGION, INDIA , 2008, Health physics.

[3]  rashekara,et al.  Studies on Thoron and its progenies levels around Bangalore Rural District , 2008 .

[4]  J. Tschiersch,et al.  Increased indoor thoron concentrations and implication to inhalation dosimetry. , 2007, Radiation protection dosimetry.

[5]  Yun Gao,et al.  Thoron levels in traditional Chinese residential dwellings , 2005, Radiation and environmental biophysics.

[6]  P. González,et al.  Variation in indoor thoron levels in Mexico City dwellings. , 2004, Radiation protection dosimetry.

[7]  Y. S. Mayya,et al.  Calibration factors for LR-115 (type-II) based radon thoron discriminating dosimeter , 2004 .

[8]  Y. S. Mayya,et al.  Thoron levels in the dwellings of Hyderabad city, Andhra Pradesh, India. , 2004, Journal of environmental radioactivity.

[9]  T. Iida,et al.  Environmental Radon and Thoron Progeny Concentrations in Fujan Province of China , 2000 .

[10]  Y. S. Mayya,et al.  METHODOLOGY FOR MIXED FIELD INHALATION DOSIMETRY IN MONAZITE AREAS USING A TWIN-CUP DOSEMETER WITH THREE TRACK DETECTORS , 1998 .

[11]  Qiuju Guo,et al.  Distributions of Thoron Progeny Concentrations in Dwellings , 1995 .

[12]  W. Hofmann,et al.  Thoron Exposure of Man: A Negligible Issue? , 1994 .

[13]  M. Doi,et al.  Characterization of Japanese wooden houses with enhanced radon and thoron concentrations. , 1994, Health physics.

[14]  H. Yonehara,et al.  Spatial distribution of thoron and radon concentrations in the indoor air of a traditional Japanese wooden house. , 1994, Health physics.

[15]  Q. Guo,et al.  The Study of Thoron and Radon Progeny Concentrations in Dwellings in Japan , 1992 .

[16]  J. Miles,et al.  Thoron Daughter Concentrations in UK Homes , 1992 .

[17]  S. Schery,et al.  Soil as a source of indoor 220Rn. , 1992, Health physics.

[18]  H. Renouard,et al.  An Assessment of Natural Radiation Exposure in Granitic Areas in the West of France , 1988 .

[19]  R. Fleischer.  Radon in the environment—Opportunities and hazards , 1988 .

[20]  A. Wrixon.  Natural radiation exposure in UK dwellings , 1988 .

[21]  Tsou My,et al.  Indoor and outdoor 222Rn and 220Rn daughters in Hong Kong. , 1987 .

[22]  L. Mjönes.  Gamma Radiation in Swedish Dwellings , 1986 .

[23]  S. Schery.  Measurements of airborne 212Pb and 220Rn at varied indoor locations within the United States. , 1985, Health physics.

[24]  A. Scott,et al.  Radon and thoron daughters in housing. , 1982, Health physics.

[25]  T. Louis.  Radiation effects [5] , 1982 .

[26]  H. Muth,et al.  Activity concentrations of222Rn,220Rn, and their decay products in german dwellings, dose calculations and estimate of risk , 1982, Radiation and environmental biophysics.

[27]  W. Cross,et al.  A rapid reading technique for nuclear particle damage tracks in thin foils , 1969 .