研究一种确定旧管道阴极保护电流密度的新方法。现场试验结果表明，运用该方法确定旧管道阴极保护电流密度是准确实用的。
A new method is introduced to determine the current density required for protecting an aged underground pipeline. The field test results show that this method is exact and practical.
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。
Therefore it is significant to find a simple method to describe the distribution of potential and current density under the cathodic protection.
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。
The 2-d finite element method was an effective method to calculate the potential and current density distribution of cathodic protection fields.
试验结果表明，对裸钢采用阴极保护时，所需电流密度较大，实施难度较大；而对有涂层的钢则更宜采用阴极保护措施。
Results show that it is difficult to make cathodic protection on bare steel because of large current density, and that cathodic protection is suitable for coated steel.
最后，对梯级电流密度磁体分段电阻保护中电阻选取的问题作了一些探讨，提出了合理的保护电阻选择范围。
Several numerical examples are calculated using this program. Finally, the reasonable selection of shunt resistors for protecting the sup…
GF和GL镀层的腐蚀电流密度较小， 腐蚀产物具有抑制保护性，表现出较为优异的耐海水腐蚀性能。
The superior performance of GF and GL is attributed to their optimal combination of lower corrosion current densities and more protective corrosion products.
设计中考虑到电流密度问题，寄生问题，对称性问题，天线效应以及ESD保护等。
Considering the issues such as current density, parasitic, symmetry, antenna effect and ESD.
设计中考虑到电流密度问题，寄生问题，对称性问题，天线效应以及ESD保护等。
Considering the issues such as current density, parasitic, symmetry, antenna effect and ESD.
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