noun
EXAMPLES FROM CORPUS
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During irradiation, food is exposed to gamma rays from sources such as cobalt 60 or cesium 137.
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In modern commercial synthesis graphite is mixed with a metal solvent - cobalt or nickel is used today.
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Meteorite metals contain about 0. 5 percent cobalt , which sells for about $ 15 a pound.
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The metals probably include chromium, manganese, cobalt , vanadium, nickel, tungsten and tantalum.
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The range of the artist's palette widened to include cobalt blue, ultramarine, chrome yellow and viridian green.
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The result was a glorious panoply of sensual colour ranging from vibrant cobalt to cool mauve-blue, from sunflower yellow to melon.
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The Royal Shrewsbury Hospital's cobalt unit opened only last September after a massive public fund-raising drive.
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Uranium shutters, that shield the cobalt radioactive source until the patient is in position, were found to be crumbling.