MgO powders, with small particle size, loose structure and high strain energy, have high activity.
晶粒细小，结构疏松，应变能大的氧化镁粉末具有较高的活性。
The magnetic nano-composite particle has a typical core-shell structure.
磁性纳米复合粒子具有典型的核壳结构。
The magnetic nano-composite particle has a typical core-shell structure.
磁性纳米复合粒子具有典型的核壳结构。
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