| 单词 | x-ray fluorescence |
| 释义 | > as lemmasX-ray fluorescence X-ray fluorescence n. Physics fluorescence as a result of irradiation with X-rays; the emission of characteristic X-rays when a substance is irradiated with X-rays or other high-energy radiation, esp. as an investigative and analytical tool. ΘΚΠ the world > matter > physics > electromagnetic radiation > light > intensity of light, luminosity > [noun] > fluorescence epipolic dispersion1845 fluorescence1852 X-ray fluorescence1896 XRF1954 1896 Amer. Amateur Photographer Nov. 478 Learning the value of side-shows, they have arranged to give daily demonstrations of X-ray photography, they say, but, as I understand it, X-ray fluorescence; something in the style of ‘This way to see every bone in your hand.’ 1897 Electr. World 20 Feb. 267/1 X-ray fluorescence... He noticed that enamels, glass and porcelain exhibit fluorescence under the influence of X-Rays. 1915 C. G. Barkla in Nature 15 Mar. 7 (title) X-ray fluorescence and the quantum theory. 1979 Antiquaries Jrnl. 59 234 X-ray fluorescence surface analysis of the silvery patina on the blade of axe no. 3 showed a very high concentration of both lead and tin. 2007 J. A. S. Green Aluminum Recycling & Processing viii. 138/2 Pilot scrap-sorting units based on x-ray fluorescence analysis were built in the 1980s in Germany and the USSR. < as lemmas |
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