A new method of recovery of pure Fe powder from the magnetic filtered product in cold-rolling emulsion is reported in this article.
报道了从冷轧乳化液的磁过滤产物中回收纳米铁粉的一种新方法。
Nowadays there are many methods to observe the magnetic domain structure, including powder-pattern method, magneto-optical effect method and electron holography method, etc.
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。
It was pointed out that the crackles produced on vessels operating under wet H2S circumstance can only be detected effectively by the wet magnetic powder fluorescent method.
指出，只有采用湿萤光磁粉探伤法才能有效地检查在湿硫化氢环境下操作的容器可能产生的裂纹。
The invention relates to a ferromagnetic oxide powder for magnetic recording and a preparation method thereof.
本发明涉及一种磁记录用铁氧体磁粉及其制备方法。
The homogeneous low-agglomerated and well crystallined MnZn ferrite powder with good magnetic properties were prepared by coprecipitation method and adding dispersant.
采用化学共沉淀法，通过加入分散剂，制备了团聚程度低、结晶度完好、具有较好磁性能、不同组成的锰锌铁氧体粉末晶体。
A highly effective method for preparation of carbon-coated iron carbide nanocrystals by AC carbon arc discharge was studied, the yield of magnetic micro powder was over 90%.
采用交流碳弧法高效合成碳包碳化铁纳米晶磁性微粉，磁性微粉产率达90 %以上。
Additionally, the magnetic properties of the fired powder prepared by SCFD method is higher than those prepared by hydrothermal method and coprecipitation method.
另外，由超临界流体干燥法得到的粉末经高温处理后的磁性能明显高于由水热法和共沉淀法得到的粉末的磁性能。
There is a close relationship between the magnetic characteristics of iron cores and the coating method of powder and the technical parameters.
粉末的包覆方式和工艺参数同铁粉芯的磁性能有着密切的联系。
The replacement deposition method is applied to electroless copper-plating on the magnetic fly-ash powder.
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.
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。
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