腐蚀

The effect of thiocyanate ion on the electrochemical behavior of armc6 iron in deoxygenated acidic perchlorate and sodium sulphate solutions(total ionic strength 1N) has been investigated by means of galvanostatic polarization measurements under steady-state conditions.

利用稳态恒电流极化曲线测量研究了纯铁在除氧的SCN~-+NaClO_4及SCN~-+Na_2SO_4体系中(总离子强度1N)的腐蚀电化学行为。结果表明，铁在这两种体系中的腐蚀电化学行为相同。

The third time, so that the intermediate level and by no means I dusking of South-South-hiberarchy, the third time, for the third time, in addition to brilliant repaired frictionless bonded together.

第三次腐蚀，使中间调层次与决阴暗调层次拉开，第三次腐蚀完毕后，进行第三次修涂，除光辉部位空涂盖起来。

Aluminium erodes easily in this step, so it has important significance to study corrosion and protection of aluminium .

铝在酸洗过程中容易腐蚀，因此研究铝的腐蚀与防护有重要意义。

In this paper, the mechanism and forming process of the cracks in view of the stress corrosion were analyzed accounting for the pressure vessels working in the atmosphere of wet hydrogen sul-phide, sodium hydroxide or liquidized ammonia.

本文分析了压力容器及设备在湿润硫化氢、氢氧化钠溶液和液氨介质中应力腐蚀开裂的机理和应力腐蚀开裂的过程。

Model occulted corrosion cell and other electrochemical methods were employed to study the characteristic ofbronze pit corrosion, the effects of dissolved oxygen、 pH and richened migrating of 〓 ion on the developmentof cavity in the simulated electrolyte solution. Corrosion inhibition for chloride ion by1-phenyl-5-mercapto-tetrazole pre-film on bronze has been evaluated. The mechanism of interactionbetween PMTA and the bronze surface has been studied by means of AES and XPS techniques.

采用&模拟闭塞腐蚀电池&等电化学的方法，研究了青铜器粉状锈的孔蚀特征，以及模拟电解质溶液中溶解氧、pH值、氯离子的迁移富集对孔穴生长的影响，评价了1-苯基-5-巯基-四氮唑缓蚀膜抗氯离子腐蚀的性能，利用AES、XPS方法研究了PMTA青铜表面成膜作用的机理。

Results from column experiments show that the presence of 1 000 mg/L chloride ion decrease iron corrosion potential and promote removal of the passivating oxide layer and pitting corrosion of the iron, which can sustain and increase granular iron reactivity.

柱实验表明，1000mg/LCl的存在，铁腐蚀电位降低，可促进钝化氧化物层的去除和铁的点状腐蚀从而增强颗粒铁对Cr的去除。

Author has described the corrosive mechanism of urea prilling tower;analyzed the property index and usage effect for anti-corrosive materials of adopted coating, FRP and glass flake mortar etc.

阐述了尿素造粒塔的腐蚀机理；针对造粒塔外壁、内壁和塔底的腐蚀形态，分析了采用涂料、玻璃钢和玻璃鳞片胶泥等防腐蚀材料的性能指标和使用效果；通过对防腐材料构造和防护特点的对比，提出了防腐蚀衬里选材的相关建议。

In the light of serious corrosion of tubing and casing in Jianghan oil field at present,three kinds of material(N80,J55 and P110) was selected as objects to study the four kinds of flow media such as mud fluid normal acidification fluid,reinjected waste water and injected clear water used in the key stages of the development in oil field in the laboratory.

针对江汉油田油套管腐蚀比较严重的现状，实验选择3种材质(N80、J55、P110)作为研究对象，对油田开发中的几个关键阶段所用到的4种流动介质，如钻井泥浆液、常用酸化液、回注污水、注入清水，综合地进行了油、套管腐蚀室内实验研究。

This alloy retards stress corrosion cracking and has improved resistance to sulfuric acid.

这种合金能够缓解金属超应力引起的腐蚀所造成的断裂，其抗硫酸腐蚀的性能也有很大的改善。

The results showed that when retrogressed by electrical current heating at 200 ℃ the tensile strength in re-aged 7A04 alloy extrusion bar of 60 mm in diameter reached 620-640 MPa and a uniform elongation appeared from central part to surface layer of the sample while the fracture time in test of resistance to stress corrosion under a load stress of 375MPa in 3%NaCl+0.5%H2O2 corrosion solution was greater than 30 d.

结果表明，直径60 mm的7A04铝合金棒材在200℃电流直接加热回归后再时效，从心部到表层的拉伸强度为620-640 MPa，延伸率均匀一致；在3%NaCl+0.5%H2O2水溶液介质中和375 MPa应力下的应力腐蚀断裂时间大于30d，而辐射式加热回归的为575 MPa，延伸率从心部至表层表现极不均匀，应力腐蚀断裂时间只有19 d。

She gently rebuff ed him, but agreed that they could be friends

她婉言拒绝了，但同意作为朋友相处。

If in the penal farm, you were sure to be criticized.

要是在劳改农场，你等着挨绳子吧！