Large valves and important cathodic protection method using this valve is an economical and easy and effective way.
大型的阀门和重要阀门采用这种阴极保护法，是一种经济简便又行之有效的方法。
A cathodic protection method was conducted for underground storage tanks in a sand medium by using external coatings and sacrifice anode.
对沙介质中的储罐采用外涂层加牺牲阳极的阴极保护措施。
It is introduced that the construction method, status and development of cathodic protection and cathodic prevention for concrete.
主要介绍钢筋混凝土阴极保护和阴极防护技术的实施方法、状况与进展。
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。
Regular method used to evaluate the result of cathodic protection at pipeline specific parts often caused deviation and left some hidden troubles to safety operation.
在管道特殊部位，采用常规方法评估阴极保护效果往往产生偏差，给安全运行留下隐患。
Burying coupons near the pipeline is an important method for studying pipeline corrosion and doing quantitative analysis about the effect on pipeline cathodic protection.
在管道附近埋设检查片是研究管道腐蚀的一项重要手段，它可以定量分析管道阴极保护效果。
The potential distribution of cathodic protection was calculated by using the finite difference method, the result shows that the theoretical value and the measured value are in good agreement.
采用有限差分技术对大口径输水管道管内阴极保护电位分布进行计算，理论值与实测值符合得较好。
Therefore it is significant to find a simple method to describe the distribution of potential and current density under the cathodic protection.
由此可见，寻找一种能满足工程要求的简单方法来求解船体的保护电位及电流密度分布问题具有重要意义。
Through cathodic protection potential tests, the protection effect of pipelines can be evaluated. This is the most simple and prevalent method.
通过测试管道的阴极保护电位，对管道的保护效果进行评价，是当前最简便而通行的一种方法。
Cathodic protection, in combination with coating, is an effective method to prevent metallic structures immersed in seawater from corrosion.
阴极保护和优质涂层相结合是防止海水中金属结构物腐蚀的有效方法。
The 2-d finite element method was an effective method to calculate the potential and current density distribution of cathodic protection fields.
有限元法已被证明是计算阴极保护场中电位、电流密度分布的有效方法。
Present corrosion protection method for urban buried pipeline is commonly adopting external corrosion protection combined with cathodic protection.
目前对城市埋地管道的防腐采用外防腐层加阴极保护的方法。
The risk assessment model for cathodic protection of buried gas pipeline is constructed with the modified fault tree method.
结合某市工程实例，探讨了地理信息系统在埋地燃气管道风险分析中的应用。
The risk assessment model for cathodic protection of buried gas pipeline is constructed with the modified fault tree method.
结合某市工程实例，探讨了地理信息系统在埋地燃气管道风险分析中的应用。
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