腐蚀的

Corrosion rate of non-cyanide cadmium coatings is similar to cyanided ones. It is considered that non-cyanide cadmium coatings can be used for four types of cli- mates instead of cyanide coatings in case of some conditions.

无氰镀镉层的腐蚀速率与氰化镀镉接近，可以认为在一定条件下无氰镀镉能够代替氰化镀镉工艺用于上述4种典型的大气环境的腐蚀防护。

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。

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。

The results show that the microstructure has directive influence on the corrosion of aluminum sacrificial anodes.

通过对铝合金牲牺阳极的微观组织及其腐蚀形貌的考察，表明合金的微观组织对其腐蚀溶解有直接关系。

The corrosion behavior of the specimens with and without conversion film was investigated by methods of collecting hydrogen gas and potentiodynamic polarization in neutral 3.5wt% NaCl solution and 0.15moldm^(-3)H3BO3/0.05moldm^(-3)Na2B4O7 solution.

在3.5%NaCl溶液和0.15mol/L H3BO3/0.05mol/L Na2B4O7缓冲溶液中的动电位极化测试表明，最佳条件下铈盐转化处理可使合金的腐蚀电位正移，腐蚀电流密度明显降低，起到一定的防护作用。

Influence of vacuum heat-treatment on the corrosion resistance of uranium surface overlaid with graphite at 100 ℃ is studied.

为了提高铀的抗氧化腐蚀能力，利用石墨的粘附特性，在铀表面涂覆一层石墨，并进行真空热处理，在100 ℃条件下对热处理后的样品进行氧化腐蚀试验。

A theoretical model was developed based on the relation between hysteresis coefficient of strain in the steel and degradation of bond strength, for the load bearing capacity of corroded RC beams. The model reflects the mechanical characteristics and failure mechanism of the beam under static and repeated loading.

通过研究腐蚀梁中钢筋应变滞后系数与粘结强度退化比的关系，建立静荷载和重复荷载下与腐蚀梁的受力特征和破坏机理相一致的承载力计算模型。

At.the later stage the inerease in corrosion product scale thick- nces was sololy due to growth of iron oxides on the scale surface .

腐蚀产物膜生长到一定厚度后，扩散到表面的合金元素及铁的浓度降低到只有铁的氧化物在腐蚀产物表面生成。

Thus,LD83 canensure a perfect surface quality and protect live of dies.LD83 performs a high standard of bacteria and fungi control,and prolongs the sump life,The built in corrosion inhibitor prevents starning to cuprous metals and even aluminum alloys.

因此。LD83能高效能控制细菌和毒菌的滋长，进而延长了乳化液的使用寿命，内含饿腐蚀抑制，能防止铜金属或铝金属的腐蚀。

Tonglu: composite or pure copper radiator heating system in the use of one-pipe is dangerous, because one-pipe system, high-speed hot water would have a copper corrosion, should carefully chosen.

然而由于钢制散热器怕水中的氧气，它对供热系统要求很严格，在不安全的系统中会出现腐蚀（腐蚀点大部分在管壁上，而不在焊接部位）；而另外一个事实是，目前我们国内的许多采暖系统还不是很完善，虽然国家对采暖水质早有规定，但仍有许多物业不能按标准执行。

Shop assistant: Please check at the door.

店员：请您到门口柜台交费。

In the end, transportation of PAHs in the environmental matrix was preliminarily investigated and discussed according to PAHs data of soils and sediments from a certain region in Shanghai. The result indicated that there are two or more pathways on PAHs transportation in the environmental matrix.

最后，对上海特定地区内PAHs在环境介质中的迁移径途进行了分析讨论，结果表明上海市土壤和沉积物等环境介质中PAHs的迁移存在多种途径。