核磁共振是具有非零磁矩的原子核的自旋能級發(fā)生塞曼分裂，共振吸收一定頻率的射頻輻射的物理過(guò)程。 共振信號在核磁共振譜上的位置反映了樣品分子的局部結構（如官能團、分子構象等），信號強度往往與樣品中相關(guān)核的數量有關(guān)。 核磁共振bopp法具有精密、準確、能穿透材料而不破壞被測樣品的特點(diǎn)。
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