核磁共振是具有非零磁矩的原子核的自旋能级发生塞曼分裂,共振吸收一定频率的射频辐射的物理过程。 共振信号在核磁共振谱上的位置反映了样品分子的局部结构(如官能团、分子构象等),信号强度往往与样品中相关核的数量有关。 核磁共振bopp法具有精密、准确、能穿透材料而不破坏被测样品的特点。
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