用 SEM、EDS、XRD研究产物膜的形态及成分，用电化学方法检测产物膜的离子选择性对腐蚀速率的影响。
Meanwhile, the corrosion product scales were analyzed by SEM, EDS and XRD technology, and the method of electrochemistry was used to test the effect of sulfur to corrosion rate.
作为电化学领域最重要的工具，化学修饰电极可以增强选择性和灵敏度。
Chemically modified electrodes (CMEs), one important tool in electrochemistry, have received increasing attentions which enhance the sensitivity and selectivity of electrochemical analysis techniques.
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