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by pbmonster
762 days ago
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It's just the physical reality of nuclear magnetic resonance. SNR scales with B^(3/2), since the signal scales with B^2 and the noise scales with root B. This means going from 0.05T to 1.5T boosts your sensitivity ~150x. Measurement time scales with sensitivity^2, so you'd have to measure 20k x longer. |
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