Biblioteca Digital

277 resultados para 27Al MAS NMR

Bronsted acid sites populations on the external and internal surface of HY zeolite with different crystal sizes: A solid state NMR study

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Characterization of acidity in TS-1 using 31P MAS NMR of the probe molecule trimethylphosphine

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NMR研究甲烷水合物在中孔SBA-15内的生成

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Study on Conformation Interconversion of 3-Alkyl-4-acetyl-3;4-dihydro-2H-1;4-benzoxazines from Dynamic NMR Experiments and ab Initio Density Functional Calculations

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Distribution of Gallium Nanocrystals in Ga/MCM-41 Mesocomposites by Continuous-Flow Hyperpolarized 129Xe NMR Spectroscopy

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Identification of Mo active species for methane dehydro-aromatization over Mo/HZSM-5 catalysts in the absence of oxygen: 1H MAS NMR and EPR investigations

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Location; Acid Strength; and Mobility of the Acidic Protons in Keggin 12-H3PW12O40: A Combined Solid-State NMR Spectroscopy and DFT Quantum Chemical Calculation Study

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