| 单词 | activation analysis |
| 释义 | > as lemmasactivation analysis activation analysis n. Chemistry = radioactivation analysis n. at radioactivation n. Compounds.neutron activation analysis: see neutron n. Compounds 2. ΘΚΠ the world > matter > chemistry > chemical assay or analytical chemistry > [noun] > acetimetry > other analytical techniques alkalimetry1817 refraction1831 Hofmann method1876 cryoscopy1885 Reichert–Meissl1887 oxidimetry1896 Hofmann exhaustive methylation1938 workup1942 radioactivation analysisa1947 neutron activation analysis1947 activation analysis1948 1948 Analyt. Chem. 20 500/2 This method..is an example of what is termed ‘activation analysis’,..which may be defined as the estimation of a chemical impurity by measurement of the radiations emitted by it after exposure in a pile or cyclotron. 1970 New Scientist 1 Jan. 29/2 The use of activation analysis techniques in the assessment and hazard control of high-energy (GeV) electromagnetic radiations. 2005 G. Demortier in M. Uda et al. X-rays for Archaeol. ii. i. 78 Activation analysis using high-energy protons and/or neutrons has been proven to be a very powerful method of analysis of all the elements in coins. < as lemmas |
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