| 释义 |
microprobe
microprobe (ˈmaɪkrəʊˌprəʊb) n (Chemistry) a device used in microanalysis that focuses radiation on a small area of a sample, exciting secondary radiation for analysismi•cro•probe (ˈmaɪ krəˌproʊb)
n. 1. a device used to excite radiation by a material in order to determine chemical or elemental composition from the emission spectrum produced. 2. a miniature probe for use in microsurgery. [1955–60] microprobe
microprobe[′mī·krə‚prōb] (spectroscopy) An instrument for chemical microanalysis of a sample, in which a beam of electrons is focused on an area less than a micrometer in diameter, and the characteristic x-rays emitted as a result are dispersed and analyzed in a crystal spectrometer to provide a qualitative and quantitative evaluation of chemical composition. Also known as x-ray microprobe. microprobe
microprobe [mi´kro-prōb″] a minute probe, as one used in microsurgery.microprobe (mī′krō-prōb) A very small probe, suitable for use in microsurgery. |