钆类造影剂的研究进展
段二月,马建功,程鹏
Advances in Gadolinium(Ⅲ) Chelates as MRI Contrast Agents
Er-Yue DUAN,Jian-Gong MA,Peng CHENG
图1
t
1
(A)和
t
2
(B)的示意图
M
Z
为宏观纵向磁化矢量,
M
xy
为宏观横向磁化矢量