| 单词 | fluorescent screen |
| 释义 | > as lemmasfluorescent screen fluorescent screen n. an opaque or transparent screen coated on one side with a fluorescent material and used for displaying images produced when it is struck by X-rays, electrons, or other ionizing radiation.Such screens are used in cathode ray tubes to display the image. ΘΚΠ the world > matter > physics > atomic nucleus > radioactivity > ionizing radiation > [noun] > screen for displaying images fluorescent screen1856 society > communication > representation > a plastic or graphic representation > graphic representation > [noun] > by means of a computer > device or system for displaying images fluorescent screen1856 microscreen1979 the world > matter > physics > atomic nucleus > radioactivity > X-rays > [noun] > screen displaying fluorescent screen1901 intensifying screen1903 1856 W. A. Miller Elements Chem. II. xviii. 1146 1 represents the space occupied by the luminous spectrum on white paper; 2, the same spectrum thrown on a fluorescent screen, viz., turmeric paper, by which it is rendered visible almost to the extreme limit of chemical action. 1863 G. G. Stokes in Philos. Trans. (Royal Soc.) 152 615 On forming an image of the spark between a sharp and a flat electrode..and receiving it on a fluorescent screen, the flat electrode gave the brighter of the two images. 1901 F. H. Williams Roentgen Rays iii. 99 The X-ray examination by the photograph is better, as a rule, than that by the fluorescent screen for all parts of the body except the trunk. 2000 J. McFall tr. K. Wille Physics of Particle Accelerators x. 275 The beam position can simply be measured using a fluorescent screen..which is inserted into the beam line. < as lemmas |
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