MAGNETIC RESONANCE METHOD AND APPARATUS WHICH MEASURES RESIDUAL MAGNETIZATION FROM TWO OR MORE ORDERLY HEIGHT REDUCE GRADIENT PULSES, OF ALTERNATELY INVERTED POLARITY, APPLIED PRIOR TO THE TRANSMITTING OF RF PULSES

For the purpose of restraining an effect of residual magnetization caused by a previous MR imaging pulse sequence on an MR image, a demagnetizing gradient pulse sequence RS1-RS4 is applied prior to an MR imaging pulse sequence to cancel the residual magnetization caused by the previous MR imaging pulse sequence and reduce the residual magnetization.

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