Impact of ventilation systems and energy savings in a building on the mechanisms governing the indoor radon activity concentration.
Sign Up to like & getrecommendations! Published in 2019 at "Journal of environmental radioactivity"
DOI: 10.1016/j.jenvrad.2017.11.023
Abstract: For a given radon potential in the ground and a given building, the parameters affecting the indoor radon activity concentration (IRnAC) are indoor depressurization of a building and its air change rate. These parameters depend… read more here.
Keywords: indoor radon; ventilation; activity concentration; radon activity ... See more keywords
Half a century of Krypton-85 activity concentration measured in air over Central Europe: Trends and relevance for dating young groundwater.
Sign Up to like & getrecommendations! Published in 2019 at "Journal of environmental radioactivity"
DOI: 10.1016/j.jenvrad.2019.04.014
Abstract: For almost half a century weekly samples for the measurement of krypton-85 (85Kr) activity concentrations in surface air have been collected by the Bundesamt für Strahlenschutz (BfS), Germany. Sampling started at Freiburg (230m asl) in… read more here.
Keywords: 85kr activity; central europe; activity concentration; half century ... See more keywords
Land use types control solid wash-off rate and entrainment coefficient of Fukushima-derived 137Cs, and their time dependence.
Sign Up to like & getrecommendations! Published in 2019 at "Journal of environmental radioactivity"
DOI: 10.1016/j.jenvrad.2019.105990
Abstract: Understanding solid 137Cs wash-off in sediment sources is important for predicting radiological risks in zones contaminated by the Fukushima Dai-ichi Nuclear Power Plant accident. Yoshimura et al. (2015) studied solid 137Cs wash-off using soil erosion… read more here.
Keywords: land; sediment; wash; activity concentration ... See more keywords
Radionuclide activity concentration in soil, granites and water in a fluorosis endemic area of India: An oral health perspective.
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DOI: 10.1016/j.jobcr.2020.05.003
Abstract: Background The idea that hilly areas have a high background radiation which in turn is linked to dental fluorosis is widely held by many in India. There is little evidence to confirm this. Objective The… read more here.
Keywords: radionuclide; fluorosis; activity concentration; soil ... See more keywords
Radiological Investigation of High Background Radiation Areas
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DOI: 10.1038/s41598-017-15201-2
Abstract: In this paper, we used the Hyper-Pure Germanium (HPGe) detector to measure 30 samples which are collected from north of Nile Delta near Rosetta beach in Egypt. The activity of primordial radionuclides, such as 238U,… read more here.
Keywords: radium equivalent; external hazard; hazard indices; activity concentration ... See more keywords
Measurements of Natural Radioactivity in Soil Samples from Southern Ontario and Estimation of the Activity Concentration Index in Building Material of Local Origin.
Sign Up to like & getrecommendations! Published in 2021 at "Radiation protection dosimetry"
DOI: 10.1093/rpd/ncab164
Abstract: This paper reports on the measurement of natural radionuclides in soil samples collected from southern Ontario, Canada. The mean activity concentrations in soil are 28, 28 and 641 Bq/kg for 226Ra, 232Th and 40K, respectively. Assuming… read more here.
Keywords: soil samples; origin; activity concentration; activity ... See more keywords
Radon in the Exhaled Air of Patients in Radon Therapy
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DOI: 10.1093/rpd/ncx153
Abstract: In the Gastein valley, numerous facilities use radon for the treatment of various diseases either by exposure to radon in air or in radon rich thermal water. In this study, six test persons were exposed… read more here.
Keywords: water; radon; radon activity; air ... See more keywords
DEVELOPMENT AND TESTING OF DEVICES FOR CONTINUOUS MONITORING OF RADON ACTIVITY CONCENTRATION IN WATERS.
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DOI: 10.1093/rpd/ncz243
Abstract: Continuous radon measurement in waters is an appropriate tool for the study of its variations as well as for the clarification and understanding of the factors that cause these changes. In addition, sudden changes in… read more here.
Keywords: continuous monitoring; activity concentration; radon activity;
Changes in alpha-amylase activity, concentration and isoforms in pigs after an experimental acute stress model: an exploratory study
Sign Up to like & getrecommendations! Published in 2018 at "BMC Veterinary Research"
DOI: 10.1186/s12917-018-1581-2
Abstract: BackgroundSalivary alpha-amylase (sAA) is considered a non-invasive biomarker of acute stress that can be evaluated by changes in activity and concentration, and also by changes in its isoforms, although this last way of evaluation has… read more here.
Keywords: saa; acute stress; activity concentration; concentration ... See more keywords
Influence of 99m-Tc-Nanocolloid Activity Concentration on Sentinel Lymph Node Detection in Endometrial Cancer: A Quantitative SPECT/CT Study
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DOI: 10.3390/diagnostics10090700
Abstract: This study evaluates quantitative combined single photon emission tomography/computed x-ray tomography (SPECT/CT) to assess the influence of radiotracer concentration on detection of sentinel lymph nodes (SLN) in endometrial cancer (EC). Eighty EC patients underwent pericervical… read more here.
Keywords: activity concentration; detection; activity; quantitative spect ... See more keywords
Low-Level Radon Activity Concentration—A MetroRADON International Intercomparison
Sign Up to like & getrecommendations! Published in 2022 at "International Journal of Environmental Research and Public Health"
DOI: 10.3390/ijerph19105810
Abstract: An international comparison of continuous monitors measuring radon activity concentration was performed to validate the traceability of the European radon calibration facilities. It was carried out by comparing the secondary standards used by these previous… read more here.
Keywords: radon activity; intercomparison; activity concentration; radon ... See more keywords