| 单词 | strioscopy |
| 释义 | strioscopy Physics.|straɪˈɒskəpɪ|
[f. strio- (here of unkn. significance) + -scopy.]
A form of electron microscopy in which the beam is focused on to the specimen as a hollow cone of particles, giving a bright image on a dark field.
1967Jrnl. Electron Microsc. XVI. 11 The contrasts obtained by the contrast-stop method are better than those of strioscopy. 1974Physics Bull. Sept. 397/2 Castaing contributes a chapter on the prism-mirror analyser, Fert on strioscopy. 1979J. R. Fryer Chem. Applications Transmission Electron Microsc. ii. 62 Normal dark field technique either tilts the incident beam, or displaces an objective aperture, so that the primary beam does not contribute to the final image, whilst strioscopy physically stops the axial primary beam passing.
So strioˈscopic a.
1972P. W. Hawkes Electron Optics iii. 89 In a commercial instrument..that makes provision for strioscopic illumination, as this type of illumination is called, a third condenser..is provided below the annular aperture to match the latter exactly to the objective aperture. 1973Nature 17 Aug. 412/1 Strioscopic methods are also of potential value for high resolution work. |
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