The invention discloses a method for preparing specially-shaped titanium dioxide nano-tube films with changeable pipe diameter along the axial direction by an anodeoxidationmethod.
本发明公开一种采用了阳极氧化法制备其管径沿轴向有变化的特殊形貌二氧化钛纳米管薄膜方法。
2
The invention provides a novel method for recycling waste sulfuric acid in the oxidation process of hard anode using ammonium sulfate at low temperature.