高分辨率核磁共振的磁化率、线形和振荡

L.F Fuks , F.S.C Huang , C.M Carter , W.A Edelstein , P.B Roemer
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引用次数: 37

摘要

计算了已知磁化率和形状的物体引起的场不均匀性。用等效磁荷的方法推导了磁场扰动。线形是通过对样品体积的洛伦兹量求和来计算的,并通过观察将材料引入先前的核磁共振样品附近所引起的变化来实验验证。这种线形可用于测定材料的磁化率。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Susceptibility, lineshape, and shimming in high-resolution NMR

The field inhomogeneity caused by an object of known susceptibility and shape is calculated. The field perturbation is derived using the method of equivalent magnetic charges. Lineshapes are calculated by summing Lorentzians over the sample volume and are verified experimentally by observing changes caused by introducing material into the vicinity of a previously shimmed NMR sample. Such lineshapes can be used for the determination of susceptibility of materials.

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