Anodic alumina oxide (AAO) membrane prepared by anodizing of al not only has a simple process, but also contains uniform parallel pores and high pore density.

阳极氧化铝膜不仅制备工艺简单，而且具有孔径分布均匀、孔密度高、孔道平行可根据实际需要调控孔径大小及分布。

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Dr Katz and his colleagues found that, although sodium ions flow readily in between adjacent aluminium-oxide layers of sodium beta-alumina, they cannot pass between them.

Katz博士和他的同事们发现, 在钠β-氧化铝中, 虽然钠离子流很容易在相邻的氧化铝层之间流动, 但是它们无法从中穿过.

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The new rare earth pigment was synthesized by adjusting ratio of neodymium and aluminum and adopting different mineralizer, using neodymium oxide and alumina as main raw material.

以工业氧化钕和氧化铝为主要原料，通过调整钕铝配比及采用不同的矿化剂，在适当的工艺条件下合成出了新型的稀土色料。

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Thus gives you alumina, aluminium oxide, which you then put through a smelter to make aluminium metal.

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And the reason why you need two tonnes to make one tonne is that alumina is aluminium oxide (Al2O3).

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