碳钢土壤腐蚀是复杂的随机现象。
The corrosion of carbon steel in soils is a complex and random phenomenon.
外部腐蚀主要是大气腐蚀、土壤腐蚀、杂散电流腐蚀等。
Exterior corrosion includes atmospheric corrosion, soil corrosion and stray current corrosion as well.
结果表明，土壤腐蚀是引起埋地燃气管道失效的主要因数。
The results show that most cause of failure is soil corrosion for Under-ground Gas Pipeline.
碳钢土壤腐蚀规律涉及埋地管道的安全运行，受到高度重视。
The corrosion behaviors of carbon steel in soils are very important because it involves with safety of buried pipelines in service.
针对油田油水井套管发生腐蚀渗漏的现象，分析了土壤腐蚀性的相关参数。
In view of the frequent occurrences of the casing corrosion in the oilfield, relevant parameters of the soil corrosion have been analyzed.
介绍了线性极化技术在土壤腐蚀研究中的国内外状况、存在问题及其应用前景。
The current status at home and abroad of the application of linear polarization technique to the research of metal corrosion in soil, the existing problems and its prospect are described.
介绍了综合考虑土壤理化性能参数和电化学参数建立的土壤腐蚀特性评价方法。
The soil corrosion characteristics evaluation method with considerations of soil physicochemical performance parameters and electrochemical parameters was established.
在沈阳土壤腐蚀试验中心站现场原位测试了土壤的理化性质和纯铜的腐蚀速率变化情况。
In-situ measurement of corrosion rate of copper and soil physicochemical factors was carried out in Shenyang soil site.
介绍了土壤对地下钢管腐蚀的机理与类型，讨论了土壤腐蚀现场勘测与实验室分析的评价方法。
Mechanism and types of soil corrosion on buried steel pipe are introduced, and methods of soil corrosion evaluation of site investigation and analysis in laboratory are discussed.
在电阻法的基础上，通过改进测试技术，建立了一种可以获得可靠管材土壤腐蚀速率数据的测试方法。
Based on the resistance method, a method to measure the soil corrosive rate of pipe material reliably is established through improving measuring technology in the paper.
由于土壤腐蚀性的常规评价方法都是基于分级界线明确的多因素标准，往往漏失一些有用信息，甚至造成错误的结论。
The conventional evaluation methods of soil corrosivity on basis of multifactorial standards of definite classifying line often lose some useful information and even cause some wrong conclusions.
进行了现场腐蚀状况调研，对现场埋地管道的土壤腐蚀情况就地测量了相关参数，并进行了腐蚀试片埋设和现场取样工作。
A field investigation of corrosion status of buried pipeline and measurement of the soil parameters were conducted, accompanied with corrosion test piece laying and field sampling.
进行了现场腐蚀状况调研，对现场埋地管道的土壤腐蚀情况就地测量了相关参数，并进行了腐蚀试片埋设和现场取样工作。
A field investigation of corrosion status of buried pipeline and measurement of the soil parameters were conducted, accompanied with corrosion test piece laying and field sampling.
应用推荐