The phases of corrosion products on underground steel tube and their changes with depth of rust layer were analysed using Mossbauer effect, X - ray diffraction and proton X -ray fluorescence analysis.
使用穆斯堡尔效应、x射线衍射分析及质子x射线荧光分析法，分析了地下钢管腐蚀产物的相态及其随锈层深度的变化。
The effects of corrosion rate, defect depth, thickness of pipe and operation pressure on pipeline reliability were investigated with this model.
利用这一模型，研究了腐蚀速率、缺陷深度、管道壁厚和工作压力等因素对管线可靠性的影响。
And the reasonability of estimating the corrosional depth of steel, by using Faraday's Law and under accelerated corrosion conditions, is discussed.
探讨了在快速锈蚀条件下，按法拉第定律的电化学锈蚀控制方程来估算钢筋锈蚀深度的合理性。
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