由于染料分子较低的氧化还原电位，复杂的结构和空间阻碍使得还原断键反应成为偶氮染料整个矿化过程的限速步骤。
The cleavage of the azo bond is the limited step of the mineralization processes because of the low oxidation-reduction potentials and complex structure.
对于空气氧化膜，电化学反应速度逐步变慢，直至达到相应于稳定钝态的恒定值，同时电位向正移动，表明膜中的微裂纹不断得到修补。
With air-formed films the faradaic processes decreased progressively to a constant rate consistent with the increase in potential, indicating the healing of surface flaws.
提出了钽的氧化反应式及反应控制步骤；得出其氧化膜电容量随着氧化电位的增加而减少，阻抗与阳极极化行为存在相关关系。
The results shows the capacity of the anode oxidation membrane decreases with the increasing of oxidation potential, and there exists relationship between impedance and behavior anode polarization.
应用推荐