Measurements of stray field within the plasma region and magnetizing curve of the iron core were made in a model device with variation of air gap size and under load and unload discharge conditions.

模拟实验给出了不同气隙情况下，空载和负载放电时，等离子体区的杂散场和铁芯磁化曲线测试结果。

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The effects of magnetizing methods on the effective magnetic field strength showing the defects in the holes with short distances in magnetic particle inspection were studied by calculation.

通过计算研究小间距孔磁粉探伤时不同磁化方法对显示缺陷的有效磁场强度的影响。

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Two kinds of magnetic field distribution are discussed and the result show magnetizing current on interface can be replaced with discrete mirror image current for uniform, linear and isotropic medium.

对于均匀线性和各向同性的介质，通过计算两种特殊位形的磁场分布，得到其介质界面连续分布的磁化电流可用分立的镜象电流来代替。

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