稀土对钴基合金变质作用明显。一方面 ，细化组织 ；另一方面 ，增加合金化合物的比例。
The result shows that RE improves Co based alloy conspicuously, which can fine morphology, and enhance the content of the alloy compound with the increasing of rare earth element.
综述了生物医用铁系单质、 合金、 化合物、 磁性微球和免疫磁性微球的制备方法、性能和应用，并对其进行了评述。
The progress in preparation and application of iron metal or its alloy nano-materials , iron compound nano-materials and iron composite nano- materials are reviewed.
含1 2 %RE的银合金中的稀土化合物枝晶形成连续的网状分布。
The dendritic RE compound in the microstructure of silver alloy with 1 2% RE creates continuous net.
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