... magnetic dating method 磁定年法 magnetic particle method 磁粉法 metal magnetic memory method 磁记忆法 ...
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磁粉探伤法是用磁场探测铁磁性材料表面和次表面的不连续性。
Magnetic-particle inspection USES magnetic fields to locate surface and subsurface discontinuities in ferromagnetic materials.
目前,磁畴观测的方法已有很多种,如粉纹图法、磁光效应法、电子全息法等。
Nowadays there are many methods to observe the magnetic domain structure, including powder-pattern method, magneto-optical effect method and electron holography method, etc.
笔者采用置换反应法在粉煤灰空心磁粉表面进行了化学镀铜的研究。
The replacement deposition method is applied to electroless copper-plating on the magnetic fly-ash powder.
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