Natural radioactivityEnvironmental RadioactivitySupported that radioactivity levelsMeasuring the amount of radioactivityShowed radioactivity levelsRadiationDecayFukushimaUraniumIsotopeMeasurementsContaminationLevelsExposureRadioactive materialOfficialsMineralsSoilGammaDisasterContributionNucleusAmountFoodSiteHighResultsProcessWorkReferencesUnitTermsDataTime
Natural radioactivity4
- There are two types of radioactivity: natural radioactivity and artificial radioactivity, also known as induced or man-made radioactivity respectively. (euronuclear.org)
- In regions of Brazil or southern India (Kerala), large populations inhabit areas where the natural radioactivity of the soil is 30 to 40 times greater than in Europe, due to the presence of thorium. (euronuclear.org)
- When considering altitude, the natural radioactivity due to cosmic radiation is 1.5 times higher at 1,500 metres above sea level. (euronuclear.org)
- Report by NEA Group of Experts, "Nuclear energy agency, exposure to radiation from natural radioactivity in building materials," OECD, 1979. (scirp.org)
Environmental Radioactivity4
- Journal of Environmental Radioactivity. (wikipedia.org)
- Understand the principles of research techniques in a variety of environmental radioactivity studies. (southampton.ac.uk)
- Powerpoint presentation (25%): A 30 minute Group PowerPoint Presentation (groups of 3), selected from a range of environmental radioactivity topics, that is presented at the end of the course. (southampton.ac.uk)
- We partner with the Centre for Advanced Research in Environmental Radioactivity (CARER) at Mangalore University, India. (lu.se)
Supported that radioactivity levels1
- Although gamma-ray measurements supported that radioactivity levels in almost all foodstuffs were far below the Japanese regulatory limit, it was unknown how much of the detected radioactivity originated from the Fukushima accident as opposed to pre-Fukushima events such as the atmospheric nuclear explosions 12 that have been conducted since 1945 and the Chernobyl nuclear power plant accident of 1986. (nature.com)
Measuring the amount of radioactivity1
- EPA recommends taking action to reduce radon in homes that have a radon level at or above 4 picocuries per liter (pCi/L) of air (a "picocurie" is a common unit for measuring the amount of radioactivity). (cdc.gov)
Showed radioactivity levels1
- Seawater samples taken following the release of wastewater from the crippled Fukushima Daiichi Nuclear Power Plant showed radioactivity levels well within safe limits, operator Tokyo Electric Power Co. (Tepco) said. (islandsbusiness.com)
Radiation4
- Chris - When you use radiation therapeutically in this way, what sort of radioactivity do you use? (thenakedscientists.com)
- Radioactivity is the spontaneous disintegration or decay of the nucleus of an atom by emission of particles, usually accompanied by electromagnetic radiation. (radon.com)
- Three common measurements of radiation are the amount of radioactivity, ambient radiation levels, and radiation dose. (cdc.gov)
- Skin injuries due to ultraviolet radiation, radioactivity, electricity or chemicals, as well as respiratory damage resulting from smoke inhalation, are also considered to be burns. (who.int)
Decay3
- Online radioactive decay calculator that allows you to find out the radioactivity decay in Fluorine (F) 18. (easycalculation.com)
- Online radioactive decay calculator that allows you to find out the radioactivity decay in Strontium (Sr) 85. (easycalculation.com)
- We measure the amount of radioactivity by finding out how many radioactive atoms decay every second. (cdc.gov)
Fukushima2
- Using measurements of trace 134 Cs radioactivity, we investigated the contribution ratio of 137 Cs derived from the Fukushima accident on 2011 and pre-Fukushima. (nature.com)
- Using the trace radioactivity of short-lived 134 Cs in foodstuffs, we then evaluated the contribution ratio of Fukushima-derived 137 Cs in general foodstuffs in Japan. (nature.com)
Uranium2
- Henri Becquerel , in full Antoine-Henri Becquerel , (born December 15, 1852, Paris , France-died August 25, 1908, Le Croisic), French physicist who discovered radioactivity through his investigations of uranium and other substances. (britannica.com)
- For the same mass, depleted uranium has about 60% of the radioactivity of natural uranium. (who.int)
Isotope1
- In a paper just published in Geophysical Research Letters, researchers from the Byrd Polar Research Center explain that levels of tritium, beta radioactivity emitters like strontium and cesium, and an isotope of chlorine are absent in all three cores taken from the Naimona'nyi glacier 19,849 feet (6,050 meters) high on the southern margin of the Tibetan Plateau. (sciencedaily.com)
Measurements1
- Following the accident, measurements of food radioactivity levels, especially of 137 Cs, became more readily available because of the Japanese government's rapid establishment of a food monitoring campaign to detect radionuclides. (nature.com)
Contamination3
- There has been increased interest in these fixatives or coatings recently due to the growing concern of contamination from a radioactivity dispersal device (RDD also known as a dirty bomb) and because radioactivity fixatives in use today lose the ability to contain the radioactivity to the surface during a fire. (wikipedia.org)
- This dissertation characterizes the radioactivity associated with CCRs and OGW and further investigates the use of this radioactivity as a tracer and timer of contamination, particularly from OGW following its accidental or intentional release to the environment. (duke.edu)
- Characteristic 228Ra and 226Ra activities 228Ra/226Ra activity ratios were found in CCRs and OGW derived from distinct formations, suggesting that the radioactivity can serve as a potential fingerprint of for contamination when CCRs and OGW are accidentally or intentionally released to the environment. (duke.edu)
Levels7
- A lifetime of exposure to high levels of radioactivity eventually killed Marie Curie. (thenakedscientists.com)
- Scientists have for the first time found dangerous levels of radioactivity and salinity at a shale gas waste disposal site that could contaminate drinking water. (mongabay.com)
- Such elevated levels of radioactivity are above regulated levels and would normally be seen at licensed radioactive disposal facilities, according to the scientists at Duke University's Nicholas school of the environment in North Carolina. (mongabay.com)
- The US Geological Service has previously reported elevated levels of radioactivity in "flowback" water that naturally occurs in the rock. (mongabay.com)
- When we analyzed the top 50 feet (15 meters) of each core, we found that the beta radioactivity signal was barely above normal background levels. (sciencedaily.com)
- Tepco took what it called rapid tests on Thursday afternoon after the water release into the Pacific Ocean began, and said on Friday the results showed that radioactivity levels were within safe limits. (islandsbusiness.com)
- If the source of heightened radioactivity had been Budapest, the levels measured here should have been much higher. (tammybruce.com)
Exposure2
- Radioactivity fixatives reduce or eliminate the movement of radionuclides from surfaces thereby lowering the health risk of inhalation or other exposure to radioactive isotopes. (wikipedia.org)
- The RIFE report series brings together all the results of monitoring of radioactivity in aquatic and terrestrial food and the environment by the RIFE partners (Environment Agency, Food Standards Agency, Food Standards Scotland, Northern Ireland Environment Agency, Natural Resources Wales and Scottish Environment Protection Agency) and assesses the risk to members of the general public from chronic exposure to man-made sources of radioactivity. (cefas.co.uk)
Radioactive material1
- Radioactivity or radionuclide fixatives are specialized polymer coatings used to "fix" radioactive isotopes or radioactive material to surfaces. (wikipedia.org)
Officials1
- German officials say that a spike in radioactivity has been detected in the air in Western and Central Europe but there's no threat to human health. (tammybruce.com)
Minerals2
- Note: The calculation of radioactivity in minerals is based on certain assumptions. (easycalculation.com)
- Calculation of radioactivity in minerals is made easier here. (easycalculation.com)
Soil1
- Radioactivity can vary greatly depending on the nature of the local soil and altitude. (euronuclear.org)
Gamma1
- Icohup is showcasing Rium which is a consumer device for measuring the pollution level and the radio activity at the home, it's a radioactivity sensor, a powerful gamma spectrometer, it can also detect the nature of the different type of radioactive rays. (armdevices.net)
Disaster1
- After Japan Nuclear Power Plant Disaster: How Much Radioactivity in the Oceans? (nsf.gov)
Contribution1
- Nuclear power generation only makes up a small (0.01%) contribution to all artificial radioactivity. (euronuclear.org)
Nucleus1
- Radioactivity is the process under which the nucleus can change spontaneously from one element to another. (ted.com)
Amount3
- Most analysts agree, although environmental pressure group Greenpeace has said the filtration process, known as ALPS, does not work and that a vast amount of radioactivity will be released into the ocean. (islandsbusiness.com)
- The amount of radioactivity is reported in Becquerel (Bq), which is the international unit, or the Curie (Ci), which is the unit used in the United States. (cdc.gov)
- Geiger counters are commonly used to measure the amount of radioactivity, but there are other types of detectors that may be used. (cdc.gov)
Food1
- Every year, Cefas publishes the Radioactivity in Food and the Environment (RIFE) report on behalf of the UK environmental regulators and food standards agencies. (cefas.co.uk)
Site1
- IE Circular No. 79-21 Gentlemen: Enclosed is IE Circular No. 79-21, "Prevention of Unplanned Releases of Radioactivity," which provides information on inadvertent releases/on-site spills of radioactivity. (nrc.gov)
High1
- However, a few samples had particularly high radioactivity, including some dried mushrooms sold in Iwate Prefecture that had a 137 Cs radioactivity concentration as high as 441 Bq/kg. (nature.com)
Results1
- The results have been compared with other global radioactivity measure-ments and evaluations. (scirp.org)
Process1
- Radioactivity monitors measure the radioactivity of process fluids in the nuclear power plant as well as in work areas. (hitachi.com)
Work2
- these allow students to gain an insight into practical applications of radioactivity and decommissioning and work possibilities. (southampton.ac.uk)
- Will RadioActivity Tool work with my Handheld PC? (hpcfactor.com)
References1
- For references , please go to https://www.eea.europa.eu/data-and-maps/data-providers-and-partners/amap-international-datacentre-for-radioactivity or scan the QR code. (europa.eu)
Unit2
- Preoperational testing should verify that crossconnects do not exist that would permit radioactivity to flow from operating unit(s) to unit(s) under construction. (nrc.gov)
- is the unit of radioactivity. (euronuclear.org)
Terms1
- If people don't live in those places, it's not an immediate threat in terms of radioactivity," said Vengosh. (mongabay.com)
Data2
- Understand the basics of accuracy, precision and uncertainty in radioactivity data. (southampton.ac.uk)
- The device can be connected to the mobile app via Bluetooth and keep them updated about the environment, that informs users about the level of risk and proposes protection means adapted to each situation, as the Rium instrument is geolocated and connected to the Internet, the data received allow us to build radioactivity maps in real time. (armdevices.net)
Time1
- Corresponds to the time at the end of which the radioactivity level of a substance halved. (euronuclear.org)