The corrosion rate of carbon steel in the prefilming solution was monitored by an on line measurement system consisting of a coulostatic pertubation meter and a micro computer.

• 运用恒电量测试技术研究了碳钢在循环冷却水预膜处理阶段金属腐蚀速率的变化，建立了相应的等效电路模型，为水处理预膜质量的评定提供了一种新的技术手段。