The Design of An Integrated Gradient Field/Frequency Lock Shim System for NMR Spectrometer
WANG Hui-Wang, LI Zheng-Gang, MAO Wen-Ping, BAO Qiang-Jia, LIU Zao, LIU Chao-Yang
Chinese Journal of Magnetic Resonance . 2012, (4): 489 -498 .