To solve the corrosion problem of the wet surfaces, coupon test was conducted.
文章就解决潮湿表面防腐蚀问题进行了现场实际挂片试验。
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The corrosion survey for the complex unit during the turnaround finds out the minor corrosion in the primary distillation tower (metallurgy: Q235-B) with a couponcorrosion rate of 0.
The efficient pharmaceutical and the formula were found by the coupon test. The formulas SH0443H and SH0415ZH were better for the corrosion and scaling controlling in cooling water system.