نتایج جستجو برای: natural radioactivity hazard
تعداد نتایج: 552402 فیلتر نتایج به سال:
the existence of a high natural radiation area in the northern part of iran (ramsar) is proved. ra 226 in soil is measured. the results are: minimum 23.5 pci/g and maximum 999 pci/g soil. environmental radioactivity is from 0.1 to 5 mr/h.
The radiological effects of mined tailings in some locations in Jos Plateau State have been estimated. The samples were collected from 14 different sites. The radio nuclides concentrations in the tailing samples were measured using gamma spectroscopy method. The average values of Ra 226 , Th 232 and K 40 obtained were 762.4Bqkg, 17258.3Bqkg and 5901.4Bqkg respectively. These radioactivity conce...
چکیده ندارد.
a reconnaissance study has been made on the distribution of 238u, 232th, 40k, 137cs andgeochemical features in soil and sediment samples at various locations on the coast of bushehr in the persiangulf. in this study a gamma-ray spectrometer based on a high purity germanium detector and a pc basedmca and x-ray fluorescence (xrf) method were used. estimation of the measured radionuclide contentha...
natural hazards are among destructive agents that annually take thousands of lives and impose devastating damages in iran. spotting such a high risk areas can help reducing the amount of their probable risk. a 1:500000 liquefaction and landslide hazard zonation map developed for the southern shoreline of the caspian sea. this geotechnical hazard map divides the study area to 15 hazard classes (...
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