主要原因是“铁磁性物质”的内部有特殊结构。
The main reason is "ferromagnetic materials" in the internal have special structure.
自发磁化和磁畴结构是铁磁性物质的两个基本特点。
The self-magnetization and the magnetic domains are two basic properties of the ferromagnetic materials.
世界上只有极少数的物质是铁磁性物质，比如铁钴镍等。
The world only a handful of ferromagnetic materials, such as material is iron cobalt nickel etc.
尾矿回收机是用于铁选厂中回收尾矿中的所含铁磁性物质的设备。
Tailing Collector is a machine used for collecting magnetic materials in the tailings in the iron concentrator.
用于从非磁性物料中自动清除0.1 -35公斤重的铁磁性物质。
It is used for clearing 0.1 ~ 35 kilograms ferromagnetism impurity from the nonmagnetic materials automatically.
在靠近磁场时，磁场强度达到50 - 100高斯，对铁磁性物质产生强吸引力。
Strong attraction of ferromagnetic objects may occur at close distances to the magnet, where the magnetic field is above 50 to 100 gauss.
一旦它们与磁铁相遇，铁磁性物质内部的“小磁铁”重新排序，方向相同，磁性互相叠加，于是使铁磁性物质显示宏观磁性。
Once they meet with magnets, ferromagnetic materials inside the "small magnets" reordering, same direction, magnetic, and make mutual superposition ferromagnetic materials display macro magnetism.
严格区别铁磁性与顺磁性物质有时是很困难的。
It is sometimes difficult to draw the line separating ferromagnetic from paramagnetic substances.
严格区别铁磁性与顺磁性物质有时是很困难的。
It is sometimes difficult to draw the line separating ferromagnetic from paramagnetic substances.
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