The purpose of the pipeline pigging is clear in pipe welding of mud, welding slags sundry, for pipeline caliper and normal operation of pipeline to provide security.
管线清管的目的是清除焊接时留在管道内的泥沙、焊渣等杂物，为管线测径和管线正常运行提供保障。
Because of the particularity of the medium and material, our knowledge of corrosivity of sea mud and behavior of pipeline steel exposed in it is not enough.
由于介质和材料的特殊性，人们对海泥的腐蚀性和管线钢在其中的腐蚀行为了解得还不太深入和系统。
Several aluminium alloy sacrificial anodes used to protect the pipeline laid in sea bed mud were measured, two sacrificial anode materials having excellent performances were obtained.
测试了几种用于海泥中海底输油管线保护的铝合金牺牲阳极的电化学性能。
The Boundary Element Method is used to calculate the cathodic protection system in the sea mud media, and the potential distributions of the pipeline surface and in the sea mud are obtained.
采用边界元方法对海泥介质中的阴极保护系统进行了计算，获得了海泥中钢管表面以及海泥介质内部的电位分布。
The pressure of viscous materials with high concentration such as coal slurry, paper pulp, waste mud in the transportation pipeline can't be measured by common pressure sensors.
对于测量煤泥、纸浆、污泥等高浓度粘稠物料在输送管道中的压力，普通的压力传感器不能适用。
The pressure of viscous materials with high concentration such as coal slurry, paper pulp, waste mud in the transportation pipeline can't be measured by common pressure sensors.
对于测量煤泥、纸浆、污泥等高浓度粘稠物料在输送管道中的压力，普通的压力传感器不能适用。
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