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物理学
Identification of Brφnsted vs.Lewis Acid Sites in Solid Acid Catalysts by A Modified Frequency-Selective Solid-State CP-NMR Pulse Sequence
<正>Solid-state ~(31)p NMR spectroscopy,using the adsorbed triaikylphosphine oxides as the probe molecule[1,2]has been shown to be a useful technique for characterizing the detailed acid features,namely type,location,strength,and concentration of acid sites in solid acid catalysts.In general,the acidic strengths can be directly inferred
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第十四届全国波谱学学术会议论文摘要集
2006年
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