| 单词 | cobalt 60 |
| 释义 | cobalt 60 (once / 422119 pages) n WORD FAMILY cobalt 60 USAGE EXAMPLESThe cobalt 60 was found several hundred feet from the truck, apparently carried off by the thieves or by curious people in the area. New York Times(Dec 06, 2013) After a two-day hunt, a stolen truck containing the lethal radioactive material cobalt 60 was found in the rural Mexican town of Hueypoxtla. Time(Dec 05, 2013) At the time of the theft, the agency said, the cobalt 60 had been properly shielded from exposure. New York Times(Dec 05, 2013) n a radioactive isotope of cobalt with mass number 60; a source of exceptionally intense gamma rays; used in radiation therapy Hyper Co, atomic number 27, cobalt a hard ferromagnetic silver-white bivalent or trivalent metallic element; a trace element in plant and animal nutrition |
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