单词 | microanalysis |
释义 | microanalysisn. 1. Microscopic analysis. Now rare. ΘΚΠ the world > matter > chemistry > chemical assay or analytical chemistry > [noun] > acetimetry > microanalysis microanalysis1856 1856 S. Highley in Q. Jrnl. Microsc. Sci. 4 224 Micro-analysis. 1904 J. E. Stead tr. F. Osmond Microsc. Anal. Metals 65 (heading) Micro-analysis of carbon steels. 1924 Proc. Royal Soc. A. 106 p. iii His [sc. J. E. Stead's] method of heat-tinting specimens by oxidation became an accepted method of the micro-analysis of cast iron. 2. Chemistry. Analysis of a sample of relatively small size (typically 1–10 milligrams); contrasted with macroanalysis, semimicroanalysis, and ultramicroanalysis. Also: chemical analysis using an electron probe microanalyser or related techniques. ΘΚΠ the world > matter > chemistry > chemical assay or analytical chemistry > [noun] > types of chemical analysis quantitative analysis1825 qualitative analysis1831 quant1896 microanalysis1912 autoanalysis1961 1912 Science 15 Mar. 400/2 A system of micro-analysis, both qualitative and quantitative, having been developed with the latter instrument [sc. the microscope]. 1924 Proc. National Acad. Sci. U.S.A. 10 460 In the first place, micro-analysis might be attempted (a balance weighing to 0.001 mg. being available). 1930 Science 26 Dec. 645/1 Professor Pregl was the originator of the methods of quantitative organic microanalysis bearing his name. 1960 Science 17 June 1824/3 Participants read technical papers on the spectra of meteor trails, electron-probe microanalysis, [etc.]. 1997 New Scientist 8 Nov. 73/1 (advt.) The successful candidate will be expected to specialise in..in situ hybridisation and microanalysis. 3. In extended use: any extremely detailed and exact analysis. ΚΠ 1936 Proc. Royal Soc. A. 156 78 The Newtonian formulation of the law of gravitation may be considered as a micro-analysis of the macro-features we have discussed kinematically. 1950 G. H. Evans (title) Basic economics: a macro- and micro-analysis. 1977 M. Cohen Sensible Words 143 My emphasis differs from Yates's own microanalysis of the quite different traditions and motives behind Bruno and Ramus. 1985 J. G. Kyle & B. Woll Sign Language vii. 160 A detailed micro-analysis of the role of facial expression has recently been reported. 1996 Entertainm. Weekly 22 Mar. 44/2 It's about being human... But because they're alien, we can distance ourselves from being human rather than doing a microanalysis of life like Seinfeld. This entry has been updated (OED Third Edition, December 2001; most recently modified version published online March 2022). < |
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