gamma dose rate measurement Articles
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Performance of some handheld dosimeters used for gamma–ray ambient dose rate measurements
A study was carried out on the performance of some handheld dosimeters that are used for measuring ambient gamma dose rates. A CsI scintillation–based and two GM–based dosimeters were used to measure the absorbed dose rates in an indoor environment, inside a lead shield, on different floors of a building, in a desert environment and in a boat on the Arabian Gulf. The study showed that while some ...
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Radiation source rate estimation through data assimilation of gamma dose rate measurements for operational nuclear emergency response systems
This paper presents an evaluation of an innovative data assimilation method that has been recently developed in NCSR Demokritos for estimating an unknown emission rate of radionuclides in the atmosphere, with real–scale experimental data. The efficient algorithm is based on the assimilation of gamma dose rate measured data in the Lagrangian atmospheric dispersion model DIPCOT and uses variational ...
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Enrichment of 210Po and 210Pb in the Padubidri environs of Karnataka
The activity concentrations of natural radionuclides, viz 210Po and 210Pb, in soil samples of Padubidri in the coastal Karnataka, the site for the proposed coal-based thermal power station, were measured using a ZnS (Ag) alpha counting system to establish baseline data on radioactivity levels in the environment of the region. Soil samples were collected at different sampling stations and analysed ...
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Radiation doses due to natural radioactivity in the Afra hot springs, Jordan
This paper briefly reports some data from investigations carried out in the Afra hot springs, 160 km south of Amman, Jordan. These data emphasise the new findings of high-radiation dose equivalents, mainly to identify the potential and known impacts of exposure on public health in High Levels of Natural Radiation Areas (HLNRAs) of this region, and also to make recommendations for further studies. ...
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