主磁场 [
zhǔ cí chǎng]
[电] main field
- 此方法的优点在于不受高频频率、主磁场及分布参数的影响。
This method avoids the effect of the frequency, magnetic field and the distributing parameter. - 在逆转期间,主磁场减弱,几乎为零,然后以相反的磁极重新出现。
During a reversal, the main field weakens, almost vanishes, then reappears with opposite polarity. - 为解决国内匀场方法缺乏完整理论指导的问题,本文使用磁场球谐函数展开式分析主磁场情况并制定匀场方案。
At present, for the domestic manufacturers, the shimming methods of the open type low-field MRI lack the support of an integral theory.
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