7.1核磁共振概述 never for fream 核磁共振的发展 1938 Discovery of nuclear magnetic resonance (NMR) 1946 Principle of solid state NMR(Bloch, Purcell) 1950 Resonance frequency depends on chemical environment(Proctor,Yu) 1953 Overhauser effect 1956 First NMR spectra of protein (Ribonuclease) 1965 Fourier Transform spectroscopy(Ernst) 33 核磁共振的发展 1946 Principle of solid state NMR (Bloch, Purcell) 1950 Resonance frequency depends on chemical environment (Proctor, Yu) 1953 Overhauser effect 1956 First NMR spectra of protein (Ribonuclease) 1965 Fourier Transform spectroscopy (Ernst) 1938 Discovery of nuclear magnetic resonance （NMR） 7.1 核磁共振概述