分析了硫磺胶在露天粘接铸铁引起的电化学腐蚀，提出了在金属粘接中应用平衡电位和罩面密封以防止电化学腐蚀。
The paper discusses that the electrolytic corrosion caused by binding cast iron with sulfur adhesive in the open air can be prevented by balancing electrode potential and sealing cover.
该方法将多相混合介质理论的基本方程分解为具有简单耦合关系的两个问题：电化学平衡问题和两相流动问题。
The basic equations of multiphase mixture theory were split into two simply coupled problems - an electrochemical equilibrium problem and a biphase flow problem.
论述了轨道电路不平衡问题对电化区段信号设备的影响及预防处理措施。
The effect of track circuit unbalance current to the signal device in the electrified section and protection schemes are introduced in the paper.
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