(a) Overview of the electrically motorized mobile MRI system using a permanent magnet. (b) Close view of the permanent magnet with two rotation axes and two horizontally sliding tables. The rotation axes are vertical and horizontal axes.
(a) RF coil wound around a branch of a pear tree. (b) Open view of the RF probe. (c) Electromagnetically shielded RF probe with a shielding cloth wound over the RF probe. (d) Setup of the RF probe in the gap of the permanent magnet. The magnet has two rotation axes and three translational mechanisms.
Cross sectional MR images and profiles of a branch of a pear tree. (a) and (c) : No RF shielding. (b) and (d) : RF shielding with the shielding cloth.
Computed T1, T2, and proton density images of branches of a pear tree. (a)-(c) Normal branch. (d)-(f) Diseased branch.
Diffusion weighted and ADC images of normal (a)-(c) and diseased (d)-(f) branches. (a) and (d) b = 0 s/mm2. (b) and (e) b = 314 s/mm2. (c) and (f) ADC images.
Whole day variation of solar radiation (closed circle) and ADC measured in two regions of the normal branch. The square and triangle show ADC in the sapwood and heartwood.
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