| 单词 | intensifying screen |
| 释义 | > as lemmasintensifying screen intensifying screen n. a fluorescent screen placed in contact with the film or plate when a radiograph is taken in order to increase the effect on it of the X-rays. ΘΚΠ the world > matter > physics > atomic nucleus > radioactivity > X-rays > [noun] > screen displaying fluorescent screen1901 intensifying screen1903 1903 W. A. Pusey & E. W. Caldwell Pract. Applic. Röntgen Rays vi. 144 The ratio of the exposure necessary with a single intensifying screen and photographic plate to that which is necessary with the same plate without the screen is about 1 to 4 or 5. 1940 K. S. Low Metall. & Industr. Radiol. iv. 30 Intensifying screens when placed in contact with the film will by fluorescence under the action of x~radiation supplement the action of x-rays on the film, and thus shorten exposure periods. 1968 Kodak Med. X-Ray Catal. 8 High speed, fine grain X-ray film for use with intensifying screens. < as lemmas |
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