A simplified magnetic resonance flowmeter and flow measuring method, based on the dwell time of spins in the H1 Larmor radio frequency nutation field, which employs periodic H0 field gradients to phase modulate the spins so as to measure mean velocity of flow in near uniform velocity profiles or to map...http://www.google.ca/patents/US6452390?utm_source=gb-gplus-sharePatent US6452390 - Magnetic resonance analyzing flow meter and flow measuring method
