Massachusetts General HospitalStandard MRI machines create a magnetic field that orients the hydrogen within body tissues’ water molecules in one direction.
麻省总医院标准的MRI机器能纸草一个磁场，让人体细胞内所有水分子中的氢朝向一个方向。
It sums up the definition, general expressing formula and general calculating method of flux in any vector field by analyzing the flux in the speed field, electric field and magnetic field of fluid.
文章通过对流体的速度场、电场和磁场中通量的解析，总结出了任意的矢量场通量的定义、一般表达式及一般计算方法。
A general method for designing magnetic field gradient coils on a cylindrical surface with an axial magnetic field to be used in NMR imaging is suggested and developed.
系统地介绍了用于磁共振成像系统中具有轴向磁场的圆柱型表面梯度线圈的设计与优化。
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