Nuclear magnetic resonance (NMR) spectroscopy is a technique that detects the chemical environment of atomic nuclei by the absorption of radio-frequency electromagnetic radiation when in the ...

Department of Chemistry, The University of Western Ontario, London, Ontario N6A 5B7, Canada ...

Department of Chemistry, Capital Normal University, Hai-Dian District, Beijing 100048, China Beijing National Laboratory for Molecular Sciences, Key Laboratory of Polymer Chemistry and Physics of ...