Rotary echo NMR spectroscopy in three-le
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Geng-Ying Li; Xue-Wen Wu
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Article
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1990
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Elsevier Science
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English
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A pulse sequence is introduced for eliminating the influence of the rf field inhomogeneity on the nutation NMR powder liieshape in three-level systems. Powder patterns obtained by this method are theoretically analyzed and experimentally demonstrated with 'H-NMR spectra of polycrystalline gypsum CaS