| 单词 | nuclear overhauser effect |
| 释义 | > as lemmasnuclear Overhauser effect More fully nuclear Overhauser effect. An effect whereby changing the populations of spin states of a nucleus by selective radio-frequency irradiation results in an enhanced magnetic resonance of nearby nuclei. ΚΠ 1955 Science 22 Apr. 591/1 G. M. Volkoff, ‘Overhauser effect and its suggested application to nuclear alignment’. 1955 Physical Rev. 99 559 A nuclear Overhauser effect has been observed in anhydrous hydrofluoric acid. 1991 in Chem. Brit. 27 1093/2 The introduction of two independent time parameters into the NMR experiment opened up a Pandora's box of new possibilities..[including] recognition of proximity (the Overhauser effect). 2001 J. Clayden et al. Org. Chem. xxxii. 848 Analysis of coupling constants and nuclear Overhauser effects allows: determination of configuration, even in noncrystalline compounds [and] determination of conformation in solution. < as lemmas |
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