·The lead and steel canister looked innocent enough but it held a small capsule with an iridium window full of highly radioactive cesium 137 cesium chloride a well known biohazard associated with nuclear facilities Two men found the canister and took it
·The cesium 137 concentration per pasture area and the wide variations encountered are presented in Fig 2 Good correlation existed between cesium 137 and strontium 90 values With one exception the ratio of cesium 137 to
Direct parent isotopes are 137 Xe 252 Cf Isotones and Isobars The following table shows the atomic nuclei that are isotonic same neutron number N = 82 and isobaric same nucleon number A = 137 with Cesium 137 Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides
·Le csium 137 a une priode radioactive de 30 1 ans et une acti vit massique de 3 2 x 1012 Bq/g Le csium 137 metteur donne naissance avec un rendement de 94 % au baryum 137m mtastable metteur a de priode 2 55 minutes et avec un rendement de 6 % au baryum 137 stable tableau I Le baryum 137m ayant une priode courte
·Inside of it contained cesium chloride dust a salt obtained by the radioisotope 137 of cesium This salt if in an enviroment with little to no light emits a blue shine Fascinated by it and not
3 ·Le csium 137 not 137 Cs est l un des 40 isotopes du csium connus lment qui a le plus grand nombre d isotopes après le nombre de masse est gal à 137 son noyau atomique ayant 55 protons et 82 neutrons avec un spin 7/2 dans son tat fondamental pour une masse atomique de 136 907 089 g/ priode est de 30 08 ans Il est caractris
The finding that blood plasma always contained lower cesium 137 concentrations than did any tissue indicates that cesium is accumulated in tissues against a concentration gradient This is particularly evident in the ease of blood cells which reached an equi librium value of 15 times the plasma concentration; the blood cell con centration in
·Intensive monitoring after the 2011 Fukushima Daiichi Nuclear Power Plant accident in Japan revealed radionuclide including radiocaesium 137 Cs contamination in the terrestrial environment in
·A self contained cesium 137 Research Irradiator with the strength of approximately 147 000 Ci is located at the Eastern Regional Research Center ERRC When the irradiator was installed the absorbed dose in a reference position of the irradiation field was calibrated and the absorbed doses in other locations of the irradiation field
·Cesium 137 Cesium 137 is a radioactive metal with a half life of approximately years It is one of the main fission by products of the chemical processes that yield plutonium and other enriched nuclear fuels HAI selected boxes that contained relevant correspondence of directors managers or supervisors laboratory notebooks
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