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MRI - 2 - Figurn 188 Photograph showing the observation...

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Figurn 188 Photograph showing the observation window of a radio-frequency shielded mom (Courteoy of GE Medical Systems, Milwaukes, Wisconsin). Electromugnetic radiation of 0-1 00 MHz is reduced by 100 dB inside the magnet area. 1 Transm~tter Coil &Gradients ,-- +- - 1 Frequency : Synthesis I 185 Block diagram of a nuqnetic resonance imager.
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I ) I I ) I B coil I ) I Fium 186 (a) Superconducting magnet (1 .O-meter bore) showing its external cryostot (Courtesy of IGC, Guilderlond, New York). (b) Drowing of the cross section of o similar magnet showing the positions of the winding, cryogens, and dewon.
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'JEL'Z= '1 'JQL'O- '1 ' Z / q = J Z / I = P/I ',OZl = B ale IW P slalecuered u6!sep ~eru!ldo eul (3) w e '(q) 'p) UI 'I!& 11-w arll pa11e3 s! IP s!41 'smoue arll
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  • Fall '10
  • Sahak
  • Magnetic Field, Trigraph, linear magnetic-field gradient, nutated magnetization, nutated magnetization precesses, nuqnetic resonance imager

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