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 electrical interference in the underground mine area gives rise to serious corrosion of pipelines and the improved ground discharge is satisfactorily effective.
矿区井下电铁干扰使管道受到强烈腐蚀，采用改良型接地排流后收到了满意的效果。
This paper describes the corrosion surroundings of Chinese underground collieries and the present protection state of coal mining equipment.
阐述了我国煤矿井下的腐蚀环境和采煤设备的防护现状。
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