'''The Helmholtzcoil generates a uniform magnetic field. The coil serves as a component in the system for Hyperpolarization of Xenon. HPMRI enhances the quality of images in the low proton density organs such as lungs by 10000 times. The requirement ...'
The major difference between a thing that might go wrong and a thing that
cannot possibly go wrong is that when a thing that cannot possibly go wrong
goes wrong it usually turns out to be impossible to get at or repair. -
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