Resistivity of the composite is much greater than that of pure SP under cryogenic temperature (77k), which is called Coulomb Blockade Effect.
复合材料低温下(77k)的体积电阻率明显高于纯sp，可以看作是库仑阻塞作用的结果。
To understand the change of the magnetic properties and mechanical properties of magnets after the subzero treatment, and the effect of sintered Nd-Fe-B magnet with the cryogenic treatment.
以了解其深冷处理后磁性能和力学性能的变化，以及深冷处理对烧结钕铁硼的作用机理。
To understand the change of the magnetic properties and mechanical properties of magnets after the subzero treatment, and the effect of sintered Nd-Fe-B magnet with the cryogenic treatment.
以了解其深冷处理后磁性能和力学性能的变化，以及深冷处理对烧结钕铁硼的作用机理。
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