It's interesting that porous ZnO shows significant room temperature ferromagnetic even without any transition metal doping.

更有意思的是我们发现氧化锌多孔微球具有比较弱的室温铁磁性。

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Firstly, the significance of investigation on hydrogen storage in carbon nanotubes (CNTs) is indicated, and the hydrogen storage capacity of CNTs can be enhanced obviously by transition metal-doping.

首先，揭示了研究碳纳米管储氢的意义，指出通过对碳纳米管进行过渡金属掺杂能够有效地提高其储氢量。

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