Aluminum and copper may be selectively oxidized during heating, leaving a magnetic nickel rich film on the outside.
2
用阳极氧化的方法制备了阳极氧化铝膜，向其孔中镀入了铜，制备了镶嵌铜多孔铝膜。
The porous aluminium coating inlaid with copper was obtained by implanting Cu into the pores of anodic oxidation aluminium coating prepared by electroplating.
3
所述成型扩孔剂为碱式碳酸铜锌和氢氧化铝的混合物，所述铜基催化剂包含铜、锌、铝的氧化物。
The forming expanding agent is a mixture of basic cupric zinc carbonate and aluminum hydroxide, and the copper-based catalyst comprises oxides of cupric, zinc and aluminous.
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