cesium-137

(redirected from 137Cs)
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cesium-137

[′sē·zē·əm ‚wən‚thərd·ē′sev·ən]
(nuclear physics)
An isotope of cesium with atomic mass number of 137; emits negative beta particles and has a half-life of 30 years; offers promise as an encapsulated radiation source for therapeutic and other purposes. Also known as radiocesium.
References in periodicals archive ?
Modeling 137Cs migration processes in lake sediments, Journal of Environmental Radioactivity 96(1/3): 54-62.
The greatest concerns tend to focus on human exposure to artificial radionuclides, such as plutonium, 90Sr and 137Cs, released into the marine environment from accidents, dumping or industrial sources.
Contract notice: Monitoring of the concentration of 137cs in the soil in 2014-2015.
The population doses were caused overwhelmingly by 137Cs and other volatile nuclides strongly correlated to its activity distribution.
With 137cs Sources Calibration Services 1 Point, 12 Pcs.
The calibration of the Victoreen 451P-DE-SI-RYR, the Thermo FH40G-L and the Ludlum 9DP was verified by using one of the National Institute of Standards and Technology (NIST) 137Cs calibration beams.
Uncertainties in dose coefficients from ingestion of 131I, 137Cs, and 90Sr.
Distribution and ratios of 137Cs and K in control and K-treated coconut tree at Bikini Island where nuclear test fallout occurred: effects and implications.
Data obtained during survey decreasing trend of 137cs and 90sr concentrations in sea water with time is observed from 1967 to 1995.
This trial calculation is counted backward from the results of monitoring data of 131I and 137Cs (Caesium) as the total amount of the discharge from the Fukushima Dai-ichi NPS, This results in the value corresponding to Level 7 of INES rating as well.