Chinese Journal of Magnetic Resonance ›› 2021, Vol. 38 ›› Issue (2): 227-238.doi: 10.11938/cjmr20202832
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Yi LI,Jia-xiang XIN,Jia-chen WANG*(),Da-xiu WEI,Ye-feng YAO*()
Received:
2020-03-26
Online:
2021-06-05
Published:
2020-06-04
Contact:
Jia-chen WANG,Ye-feng YAO
E-mail:jcwang@phy.ecnu.edu.cn;yfyao@phy.ecnu.edu.cn
CLC Number:
Yi LI,Jia-xiang XIN,Jia-chen WANG,Da-xiu WEI,Ye-feng YAO. Preparation Efficiency of Nuclear Spin Singlet State: A Comparison Among Three Pulse Sequences[J]. Chinese Journal of Magnetic Resonance, 2021, 38(2): 227-238.
Fig.3
(a) The relationship between the theoretical singlet preparation efficiency and τSL simulated by MATLAB using SLIC pulse sequence; (b) The relationship between the theoretical singlet preparation efficiency and τe/2 simulated by MATLAB using M2S pulse sequence; (c)The relationship between the theoretical singlet preparation efficiency and pulse time t simulated by MATLAB using the optimal control pulse sequence
Fig.8
(a) The T1 decay curve of Hc, Hc' in AGG, T1=0.87±0.03 s; (b) The Ts decay curve of Hc、Hc' singlet state in AGG using SLIC pulse sequence, Ts=17.56±0.40 s; (c) The Ts decay curve of Hc、Hc' singlet state in AGG using M2S pulse sequence, Ts=18.31±0.21 s; (d) The Ts decay curve of Hc, Hc' singlet state in AGG using OC pulse, Ts=17.24±0.26 s
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