The permanent magnetic material contains a main neodymium iron boron permanent magnetic material and an additive, wherein, the addictive is nano gadolinium compound.
本发明提供的永磁材 料含有钕铁硼永磁主体材料和添加剂，其中，所述添加剂为纳米钆化合物。
The chemical property of gadolinium is more stable and safer than that of boron, because gadolinium tracer stays as a complex compound.
在化学性质方面，钆示踪剂以络合物的形式存在，比硼有更强的稳定性和安全性。
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