| 单词 | scintillation screen |
| 释义 | > as lemmasscintillation screen scintillation screen n. a flat surface coated with a phosphor, so that ionizing particles striking it can be detected or radioactivity measured from the scintillations produced. ΘΚΠ the world > matter > physics > atomic nucleus > radioactivity > alpha radiation > [noun] > method of detecting > screen used by scintillation screen1920 1920 Sci. Amer. Monthly Oct. 140/1 A most surprising effect was observed, however, when Rutherford began to make observations in dry air or nitrogen outside the range of the N rays by means of a scintillation screen. 1955 W. Heisenberg in W. Pauli Niels Bohr & Devel. Physics 24 Schrödinger cannot hereby remove the element of discontinuity from the world, which is found everywhere in atomic physics (very obviously, for instance, on the scintillation screen). 2002 Jrnl. Coastal Res. 18 154/2 Uranium and thorium activity was measured by thick source alpha counting using a 42 mm-diameter scintillation screen of 28 sample aliquots. < as lemmas |
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