单词 | electron spin resonance |
释义 | > as lemmaselectron spin resonance electron spin resonance n. Physics and Chemistry resonance (sense 5c) in which the transition involved is that of electrons between states of different spin, esp. unpaired bound electrons in a paramagnetic ion; abbreviated ESR. ΘΚΠ the world > matter > physics > quantum theory > electron spin > [noun] > electron spin resonance electron spin resonance1952 ESR1955 the world > matter > physics > atomic physics > decomposition of light, spectrum > study of spectra > types of spectrometry or spectroscopy > [noun] > electron spin resonance spectroscopy electron spin resonance1952 ESR1955 1952 Physical Rev. 15 Nov. 951/1 We have observed conduction electron spin resonance absorption in fine particles of metallic sodium..at a frequency of 9240 Mc/sec. 1972 R. A. Jackson Mechanism iv. 61 Electron spin resonance spectroscopy, which is very sensitive and will detect radical concentrations down to about 10−9 m, is extremely useful. 2003 B. Bryson Short Hist. Nearly Everything (2004) x. 199 Scientists devised other methods of dating ancient materials, among them..electron spin resonance, which involves bombarding a sample with electromagnetic waves and measuring the vibrations of the electrons. < as lemmas |
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