iodine 131
Americannoun
Example Sentences
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"This was a slow release," he adds, and it was limited to a few radioactive materials, including iodine 131, which has a half-life of just eight days and therefore does not lead to long-term contamination.
From Scientific American • Mar. 2, 2012
A Persistent Danger Most of the samples that have passed across Hasegawa's desk have proved to be within the legal consumption limit of the radioactive isotopes cesium 134 and 137 and iodine 131.
From Time • Aug. 25, 2011
They also said that radiation levels would fall over the next two months with the disappearance of short-lived iodine 131, which accounts for about half of the radioactive material emitted by the plant.
From New York Times • May 2, 2011
So the spent fuel stores would likely have already lost the majority of their iodine 131 before last Friday's earthquake and tsunami damaged the plant, Clanton explains.
From Scientific American • Mar. 18, 2011
In a reactor, many of the uranium 235 nuclei split apart, transforming into radioactive isotopes such as iodine 131 and cesium 137.
From "Meltdown" by Deirdre Langeland
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Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
