阴极保护

In the light of structure and operation behavior of oil tank, an overall investigation on the bottom plate corrosion of oil tank is made. The paper analyses the corrosion mechanism of bottom plate of oil tank located in pumping station, puts forward some protection measures including improving the technology design of oil tank, applying available steel material and utilize the CP technology.

针对原油罐的构造和运行特点，对罐底板腐蚀的情况进行了全面调查，分析了输油站内原油罐底板的腐蚀机理，提出了改进油罐工艺设计、选用合适的材料以及利用阴极极化原理的阴极保护等多项防护措施。

The pulsed current cathodic protection is a new kind of cathodic protection technology, and has great potential appli...

脉冲电流阴极保护是一种新型的阴极保护技术，具有巨大的潜在应用价值和市场前景。

Therefore, it should be feasible to cathodically protect copper with medium carbon steel as sacrificial anode, and FEM could afford well a basis for cathodic protection design.

中碳钢阴极保护紫铜具有可行性，有限元法计算能够为其阴极保护设计提供依据。

The interference corrosion of external steel structures located next to cathodically protected systems was evaluated based on electric field theory of stable currents.

摘要采用稳流电场理论，根据阴极保护体系周围电场分布、受电干扰构件位置和构件表面电化学行为等参数计算阴极保护系统对外部金属构件的电干扰腐蚀。

Current distributions in a cathodically protected crevice between a simulated coating and segmented mild steel electrodes were measured in diluted NaCl solutions. The effects of the control potential, solution conductivity and crevice thickness on the current distribution were studied.

1前言在联合采用绝缘覆盖层和阴极保护技术防止土壤或水中的钢结构，特别是地下油气管线外壁腐蚀的情况下，阴极保护能否完全防止剥离覆盖层下的缝隙腐蚀成为近些年来阴极保护领域的一个研究热点［'］。

The flexible electrode,whose shape can be changed freely,was made of ethenyl copolymer and conductive component and proper amount of additive for cathodic protection.The resistance of electrode was measured.

阴极保护是一种防止或减缓材料电化学腐蚀的有效方法，在许多介质中发生的各种形式的全面或局部腐蚀，都可以使用阴极保护的方法［1］。

This paper describes the distribution of potentials and current densities and the chemical changes in the presence of cathodic protection,the mechanism of cathodic protection against crevice corrosion,the mechanism of microbiologically influenced corrosion of pipeline steel beneath disbonded coatings.

综述了在有阴极保护的条件时剥离涂层下缝隙内电位电流的分布和化学环境的变化、阴极保护防止缝隙腐蚀的机理、微生物腐蚀的机理以及前人提出的关于剥离涂层下微生物腐蚀与阴极保护相互作用的规律，并展望了对于解决剥离涂层下微生物腐蚀难题需进一步的实验研究

In addition, cathodic protection can protect the metal electrode potential is more negative than the metal to protect the protected metal.

此外，阴极保护可用电极电位比被保护金属更负的金属来保护被保护金属。

By comparing properties with graphite-anode,high silicon cast iron anode,lead-silver anode,platinized anode and mixed metal oxide anode,we considered that the mixed metal oxide anode is the most ideal and advanced auxiliary anode material.

目前，外加电流阴极保护技术已广泛应用于地下储罐、钢筋混凝土、船舶、桥梁、化工设备等许多结构的防腐。2阴极保护用阳极的比较和分析2.1牺牲阳极牺牲阳极保护法是指在腐蚀

The necessity of tank cathodic protection is detailed and impact of tar sand and electric insulation on cathodic protection system is highlighted.

阐述了储罐阴极保护的必要性，并重点探讨了沥青砂层及电绝缘对阴极保护系统影响的问题。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。