| 释义 |
microanalyser|maɪkrəʊˈænəlaɪzə(r)|
Also (chiefly U.S.) -analyzer.
[f. micro- 6 + analyser, -zer.]
An instrument in which a beam of radiation (usu. electrons) is focused on to a minute area of a sample and the resulting secondary radiation (usu. X-ray fluorescence) is analysed to yield chemical information about the area.
1944Hillier & Baker in Jrnl. Appl. Physics XV. 665/1 Figure 1 is a photograph of the first experimental model of an electron microanalyzer. 1959Electronic Engin. XXXI. 680/1 In the Hinxton Hall microanalyser the specimen surface is scanned at slow speed by an electron beam focused to a diameter of less than one micron. 1960Archaeometry III. 36 During the past eighteen months the Laboratory has been engaged upon the construction of an X-ray microanalyser for archaeological applications. 1966D. G. Brandon Mod. Techniques Metallogr. 173 (caption) Secondary-ion emission microanalyser. 1973Histochem. Jrnl. V. 176 EMMA-4 combines the full facilities of a conventional transmission electron microscope and an electron probe X-ray microanalyser. |