单词 | skin erythema dose |
释义 | skin erythema dose [`skin ´er·ǝ`thē·mǝ ´dōs] NUCLEONICS A unit of radioactive dose resulting from exposure to electromagnetic radiation, equal to the dose that slightly reddens or browns the skin of 80% of all persons within 3 weeks after exposure; it is approximately 1000 roentgens for gamma rays, 600 roentgens for x- rays. Abbreviated SED. |
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