单词 | X-radiation |
例句 | Then in 1927, a professor of zoology in a Texas university, Dr. H. J. Muller, found that by exposing an organism to X-radiation, he could produce mutations in succeeding generations. Silent Spring 1962-09-27T00:00:00Z Leukemia may occur as a two-step process, the malignant change being initiated by X-radiation, the promoting action being supplied by a chemical, as, for example, urethane. Silent Spring 1962-09-27T00:00:00Z |
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