Copper wiring goes in one heap, aluminium foil in another.

铜线一堆，铝片另一堆。

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A number of scientists, yet, are focussing on the improvement of graphene growth over transition metal substrate such as copper foil substrate.

但一些科学家仍致力于改进借助过渡金属基质的石墨烯生产方法，比如说借助铜箔基板。

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The resistance of the copper rate is low, so in printed circuit board, used to prepare copper foil and double panel, produce multilayer prototypes via metallization copper with on the process.

金属铜的电阻率低，所以在印制电路板中，用来制备铜箔及双面板、多层板的孔金属化方面采用镀铜工艺。

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This is a piece of copper foil 20cm square that has 696 rings, a portion of which is reproduced above.

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In order that the foil does not fall apart, each transparent ring is actually a series of curved slots in the copper rather than a continuous gap.

ECONOMIST: The search for alien life