Sökning: "Chernobyl fallout"

Visar resultat 1 - 5 av 21 avhandlingar innehållade orden Chernobyl fallout.

1. 1. Malignancies in Sweden after the Chernobyl accident in 1986

   Författare :Martin Tondel; Bodil Persson; Lennart Hardell; Bengt Järvholm; Linköpings universitet; []
   Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Epidemiology; Environmental; Chernobyl; ionising radiation; geographical information systems GIS; 8-OHdG; Malignancies; Low dose; Dose-response; Latency; Causalty; Epidemiology; Epidemiologi;

   Sammanfattning : On 26 April 1986 an accident occurred in the Chernobyl nuclear power plant resulting in the release of large amount of radionuclides. Almost five percent of the total released caesium-137 was deposited in Sweden. The incidence of malignancies in the most affected counties in Sweden was investigated in three epidemiological studies. LÄS MER

3. 2. Radiation exposure of human populations in villages in Russia and Belarus affected by fallout from the Chernobyl reactor

   Författare :Christian Bernhardsson; Malmö Medicinsk strålningsfysik; []
   Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Chernobyl; caesium; effective dose; OSL; NaCl; TL; LiF; radiation protection survey instruments; deposition variability; long-term series;

   Sammanfattning : A quarter of a century has elapsed since the catastrophe at the nuclear power plant in Chernobyl. The radioactive fallout affected all the European countries and most severely the three countries of Belarus, Russia and Ukraine. LÄS MER

4. 3. Anthropogenic Radionuclides in the Arctic Ocean: Distribution and Pathways

   Författare :Dan Josefsson; Lund Medicinsk strålningsfysik; []
   Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; americium; plutonium; iodine; strontium; cesium; Sellafield; Chernobyl; global fallout; currents; shelf; ocean; radioactivity; Arctic; Ecology; Ekologi;

   Sammanfattning : Anthropogenic radionuclide concentrations have been determined in seawater and sediment samples collected in 1991, 1994 and 1996 in the Eurasian Arctic shelf and interior. Global fallout, releases from European reprocessing plants and the Chernobyl accident are identified as the three main sources. LÄS MER

5. 4. Methods of Measuring Radioactivity in the Environment

   Författare :Mats Isaksson; Kärnfysik; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; radioactivity; soil sampling; depth distribution; nuclear weapons fallout; Chernobyl; sewage sludge; deposition; Ekologi; Fysicumarkivet A:1997:Isaksson; Ecology; Kärnfysik; Nuclear physics; Cs-137;

   Sammanfattning : In this thesis a variety of sampling methods have been utilised to assess the amount of deposited activity, mainly of Cs-137, from the Chernobyl accident and from the nuclear weapons tests. Starting with the Chernobyl accident in 1986 sampling of air and rain was used to determine the composition and amount of radioactive debris from this accident, brought to southern Sweden by the weather systems. LÄS MER

7. 5. Studies of Long-lived Radionuclides in the Environment - with Emphasis on 99Tc, 237Np and Pu Isotopes

   Författare :Patric Lindahl; Lund Medicinsk strålningsfysik; []
   Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Nuclear medicine; radiobiology; Nukleärmedicin; radiobiologi; atomic ratio; environmental samples; nuclear weapons fallout; Chernobyl fallout; bioindicators; activated carbon; Sellafield; plutonium; neptunium; ICP-MS; technetium;

   Sammanfattning : Studies of the long-lived anthropogenic radionuclides 99Tc, 237Np, 239Pu and 240Pu were performed in marine and terrestrial areas contaminated by different accidental and controlled releases of radioactive materials. The three main sources discussed in this thesis are nuclear weapons tests, nuclear reprocessing plants and the Chernobyl accident. LÄS MER