单词 | radioactive |
释义 | radioactive (reɪdioʊæktɪv ) adjective Something that is radioactive contains a substance that produces energy in the form of powerful and harmful rays. The government has been storing radioactive waste at Fernald for 50 years. radioactivity (reɪdioʊæktɪvɪti ) uncountable noun ...waste which is contaminated with low levels of radioactivity. Collocations: radioactive cloud The road passed less than 40 miles from the plant; the prospect of driving through a radioactive cloud was horribly imaginable. Times, Sunday Times A radioactive cloud would spread more than 150 miles around the plant. Times, Sunday Times Planets were surrounded suddenly by radioactive cloud masses. Retrieved from Wikipedia CC BY-SA 3.0 The radioactive cloud formed headed due east. Retrieved from Wikipedia CC BY-SA 3.0 Now, as survivalist options, they have to be both remote (well away from radioactive clouds) and in touch. Times, Sunday Times In an alphabetical list of the chemical elements, which radioactive metal comes first? Times, Sunday Times A soft, silvery-white radioactive metal, actinium reacts rapidly with oxygen and moisture in air forming a white coating of actinium oxide that prevents further oxidation. Retrieved from Wikipedia CC BY-SA 3.0 Hydrocarbons are by far the most common source of fuel used by humans, but other substances, including radioactive metals, are also utilized. Retrieved from Wikipedia CC BY-SA 3.0 As a result, their breathe-gas explodes on contact with even trace amounts of radioactive metals, such as uranium. Retrieved from Wikipedia CC BY-SA 3.0 Last night one of the plant's reactors leaked water which turned to radioactive sludge. The Sun But if the fuel or radioactive sludge dried out, there's a risk of airborne contamination and that could take the [contamination] activity off site. Times, Sunday Times On the other side of the wall, beneath the surface of the water, lie 1,500 tonnes of radioactive sludge and 1,300 skips that contain corroding spent nuclear fuel. Times, Sunday Times It corroded, forming the radioactive sludge. Times, Sunday Times However, a substantial amount of residue remains in the older single shell tanks with one containing an estimated 447,000 gallons of radioactive sludge, for example. Retrieved from Wikipedia CC BY-SA 3.0 Explain the risk to the patient of using a radioactive substance as a medical tracer. Times, Sunday Times Experts said that they did not expect to find evidence of the radioactive substance. Times, Sunday Times The studies showed that the hyperplastic thyroid gland absorbed more of the radioactive substance than the normal gland. Retrieved from Wikipedia CC BY-SA 3.0 In this procedure, the doctor injects a dye or radioactive substance near the tumor. Retrieved from Wikipedia CC BY-SA 3.0 The radiation can be emitted by a radioactive substance or generated electrically. Retrieved from Wikipedia CC BY-SA 3.0 Teams of workmen discovered that highly radioactive water had collected in three of the reactors, complicating their task. Times, Sunday Times Three engineers volunteered to dive into the radioactive water to drain the basement. Times, Sunday Times However, there are concerns that rainfall of up to 19cm (7.5in) could have forced radioactive water from the nuclear plant into the sea. Times, Sunday Times This time, about 430 litres of radioactive water spilt from a storage tank after workers overfilled it. Times, Sunday Times There were meltdowns in three reactors at the plant following the 2011 earthquake and tsunami, with radioactive water stored in tanks. Times, Sunday Times Translations: Chinese: 放射性的 Japanese: 放射性のある |
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