The magnetic properties of the four kinds of products were investigated by vibrating sample magnetometer and the results indicated that all products were hard magnetic materials.
用振动样品磁强计对上述四类产物的磁学性能做了初步研究，结果表明四类产物均为硬磁材料。
The structure, crystallite size and magnetic properties of powders were investigated by X-ray diffraction and vibrating sample magnetometer.
利用X射线衍射仪和振动样品磁强计对样品的结构、晶粒尺寸和磁性进行了测量和分析。
The magnetic properties were determined by vibrating sample magnetometer.
用振动样品磁强计进行磁性测量。
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