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31 Reason: cesium 137 and strontium 90, two radioactive particlesspewed by the blaze, decay very slowly.

32 The other konago sample, caught Monday, had just over the permissible limit for cesium, an element with an uncertain impact on human health but with a half-life of 30 years.

33 Cesium chloride was added as ionization buffer to eliminate the ionization interference of sodium and potassium.

34 After acquisition, it was purified by chlorinated cesium (CsCl) density gradient ultracentrifugation. Its titer was determined by plaque assays.

35 With nitrogen cesium, but under high temperature, and reaction generated fairly stable hydride.

36 Cesium and organic alkali will occur with other similar reactions, but it's quite lively.

37 When a fuel assembly comes out, highly radioactive fission products such as strontium 90 and cesium 137 are generating tens of kilowatts of heat.

38 Japan's nuclear agency said there was a strong possibility that radioactive cesium detected at the plant after the blast was from the melting of a fuel rod.

39 At a microkelvin , cesium has nearly the maximum possible cross section, he continued.

40 Decontamination factor for cesium is more than 106. Recovery ratio for rubidium is more than 80 %.

41 Ida City in Fukushima Prefecture Abukuma River's middle reaches, cesium 137 and cesium-134 per day total of 176.5 billion Becquerel.

42 The effect of cesium iodide on thallium atomic absorbance in the presence of palladiummagnesium nitrate as a matrix modifier was investigated .

43 In this artical, the structure and performance of the new hexa- pole cesium beam tube are presented.

44 So the first "type" of radioactive material is the uranium in the fuel rods, plus the intermediate radioactive elements that the uranium splits into, also inside the fuel rod (Cesium and Iodine).

45 This is the basis for the well - known cesium clock, presently the standard of frequency and time.

46 Melosh's group figured out that by coating a piece of semiconducting material with a thin layer of the metal cesium, it made the material able to use both light and heat to generate electricity.

47 On a recent weekend, Mr. Hori, decked out in raingear and a surgical mask, aimed a high-pressure hose at small cracks in a muddy sidewalk, where cesium tends to collect.

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48 Long-lasting particles of cesium 137 can cycle through an ecosystem for decades, entering plants when they are taken up by root systems and returning to the earth when the plant dies.

49 So far the first barrier, which is the fuel cladding, has apparently failed, because they are detecting cesium.

50 These chemicals are radioactive Iodine, Cesium and Strontium-90, said Dr. Chesser.