By hard anode oxidation, the film is obtained when industrial pure aluminum is in sulfuric acid solution, make the improvement in the traditional sulfuric acid hard anodizing craft foundation.
对工业纯铝在硫酸溶液中采用硬质阳极氧化的方法制取氧化膜的工艺进行了研究，在传统硫酸硬质阳极氧化工艺的基础上进行了改进。
By anode oxidation, thick film is obtained when aluminium is in sulphuric acid solution.
对铝在硫酸溶液中采用阳极氧化的方法制取厚氧化膜的工艺进行了研究。
By anode oxidation, thick film is obtained when aluminium is in sulphuric acid solution.
对铝在硫酸溶液中采用阳极氧化的方法制取厚氧化膜的工艺进行了研究。
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