After removing these attachments, the surface shall be ground flush and examined by magnetic particle method.
在拆除这些附件后，对表面进行打磨并进行磁粉探伤。
As far as the removal of small inclusions is concerned, the AC magnetic method is a favorable one because its removal efficiency has less dependence upon the particle size.
就小尺寸夹杂物的分离而言，交变磁场法相对较好，因为其去除效率对颗粒尺寸的依赖性较小。
A superparamagnetism mesoporous silicon dioxide composite ball of the present invention and manufacture method thereof belong to nucleocapsid type technology field of magnetic nano particle.
本发明的一种超顺磁性介孔二氧化硅复合球及其制备方法属于核壳型磁性纳米粒子的技术领域。
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