江汉油田硫酸盐还原菌(SRB)引起的金属管壁腐蚀和油层堵塞问题一直没有得到彻底解决。
The serious corrosion on the inner wall of metal pipes and formation plugging resulted from sulfate-reducing bacteria (SRB) existed in Jianghan Oilfield.
针对异径管的冲蚀失效问题，以管壁腐蚀产物保护膜为研究对象，主要研究流固耦合对管道冲蚀破坏的作用机理。
The interaction between multiphase liquid in boundary layer within pipe wall and the damage of protective erodent products film is analyzed.
这种机器人可以探测出管壁厚度，甚至腐蚀点。
This robot can detect wall thickness , corrosion even point.
本发明涉及，在产生任何显着腐蚀损耗之前，非常精确地测量管壁厚度变化以确定腐蚀速率。
Thee invention relates to very precisely measuring changes in thickness of pipe walls to determine corrosion rate prior to any significant corrosion loss.
其结果，腐蚀所在管壁位置的更精确的图象可以在星期内以高精度来确定。
As a result, a far more accurate picture of corrosion at the location of the wall of the pipe can be determined within weeks with a high degree of confidence.
并指出高温腐蚀及腐蚀速率与受热面上的结灰具有腐蚀性及管壁温度有关。
The paper also points out that the corrosion at high temperature and the corrosion rate are related to the corrosiveness of fuel ash accumulated on heating surface and the temperature of tube wall.
结果表明，管体腐蚀检测系统对稠油热采注汽管道的平均管壁厚度进行检测，可以达到预期效果并具有较高的灵敏度。
The results show that anticipated effect and superior sensitivity can be achieved by using this system to detect the average wall thickness of steam injection pipelines.
铸铁管的主要特点是强度高、韧性好、管壁薄、耐腐蚀，广泛应用于城市及工业供排水和燃气的输送等。
The cast iron pipes have many advantages, such as high strength, good toughness and corrosion resistant. They are used widely for supply draining water and gas transportation in city and industries.
铸铁管的主要特点是强度高、韧性好、管壁薄、耐腐蚀，广泛应用于城市及工业供排水和燃气的输送等。
The cast iron pipes have many advantages, such as high strength, good toughness and corrosion resistant. They are used widely for supply draining water and gas transportation in city and industries.
应用推荐