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单词 film badge
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film badge
film badge n. a device containing photographic film, used to record the wearer's radiation exposure.
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the world > matter > physics > atomic nucleus > measurement of ionizing radiation > [noun] > device measuring exposure
dosimeter1944
film badge1945
film ring1947
1945 H. D. Smyth Gen. Acct. Devel. Atomic Energy Mil. Purposes viii. 90 The Health Division later introduced ‘film badges’, small pieces of film worn in the identification badge.
1968 Brit. Med. Bull. 24 260/2 Counting of breaks and dicentrics is a surer index of damage than film-badge monitoring.
2005 Radiation Res. 164 613/1 The subjects were exposed to X radiation over a period of 8–28 years and were routinely monitored with film badges.
extracted from filmn.
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