Results 231 to 240 of about 124,044 (295)
What's new? The 1986 Chernobyl accident led to widespread radioactive contamination across parts of Europe, with elevated childhood leukaemia rates observed in heavily affected areas of Ukraine. Data on long‐term haematological and other non‐thyroid cancer risk in the general population in heavily contaminated regions, however, remain limited.
Ljubica Zupunski +10 more
wiley +1 more source
Effects of Digital Scaffolding on Students' Conceptual Knowledge of Radiation and Radioactivity
ABSTRACT Background Teachers have their students practice physics problems both at home and in class. In class, the teacher provides students who need help with feedback. However, at home, students do not receive such feedback. A digital system that provides support outside the classroom could improve student performance. Objectives This study aimed to
Pier T. Siersma +4 more
wiley +1 more source
The Challenges of Domestic Wastewater/Sewage Systems for Māori Communities
The development of domestic wastewater systems in contemporary Aotearoa New Zealand has presented a significant challenge for Māori communities. While those communities have supported attempts to address the pollution of land and waterways through modern treatment methods, the solution has included continuing discharges of sometimes untreated and often
Martin Fisher, Shaun Ogilvie
wiley +1 more source
ABSTRACT Instrumental characterisation of the volatile organic compounds (VOCs), responsible for off‐aroma, is mainly centred on gas chromatography‐based techniques. Despite previous reviews that have addressed the chemical compounds and biosynthetic pathways of off‐aroma generation, to date, there is a lack of a comprehensive review that critically ...
Piyumi Chathurangi Wanniarachchi +3 more
wiley +1 more source
Shifting climatic averages and extremes are affecting both environmental and anthropogenic communities. This is a growing concern, especially for social–ecological systems (SES) such as lakes and their catchments, which integrate ecological and societal subsystems.
Margaret Armstrong, Deniz Özkundakci
wiley +1 more source
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Natural radioactivity in groundwater – a review
Isotopes in Environmental and Health Studies, 2011The issue of natural radioactivity in groundwater is reviewed, with emphasis on those radioisotopes which contribute in a significant way to the overall effective dose received by members of the public due to the intake of drinking water originating from groundwater systems.
Marek Dulinski +2 more
exaly +4 more sources
Natural Radioactivity in Spanish Soils
Health Physics, 1994The program of studies and surveys of natural radiation and radioactivity in Spain organized by our research group at the end of the 1980s included a 4-y national survey to determine the concentrations of natural radionuclides in soil. Results obtained from measurements of soil samples collected nationwide at > 900 sampling sites are reported and ...
L S, Quindós +4 more
openaire +2 more sources
Natural radioactivity in Indian tea
Radiation and Environmental Biophysics, 1985The paper presents the results of measurements on tea samples collected during 1962 and 1973-1983 period for their natural radioactivity content. The radioisotopes studied under this programme are radium-226, thorium-228, and potassium-40. Tea was found to contain higher concentration of these radionuclides compared to other foodstuffs having ...
B Y, Lalit, T V, Ramachandran
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Natural radioactivity in Brazilian groundwater
Journal of Environmental Radioactivity, 2006More than 220 groundwater samples were analyzed for 228Ra, 226Ra, 222Rn, 210Pb, U(nat), Th(nat), pH, conductivity, fluoride and some additional elements determined by ICP-MS. Since samples from several Brazilian states were taken, involving areas with quite different geologies, no general trend was observed relating the chemical composition and the ...
José Marcus, Godoy, Maria Luiza, Godoy
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Natural Radioactivity of Miami Soils
Science, 1960An important part of man's radioactive environment is the natural radioactivity of soils. This radioactivity varies with soil type and with depth in the soil profile. The relation between gross gamma activity and soil depth for a particular soil (Miami silt loam) is presented, together with a discussion of the contribution of K
D, TELFAIR, R, GARRISON, C, SMITH
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