腐蚀的

F4-filled ring to fill the corrosion mainly refers to the selective corrosion, dissolution or destruction of metamorphism.

填充F4环的腐蚀主要是指填充的选择性腐蚀、溶出或变质破坏。

Also studied is the effect of the pH value on the open circuit potential.

文章研究了在模拟钢筋混凝土孔隙液中，钢筋发生腐蚀与Cl质量分数之间的关系及pH值对腐蚀电位的影响。

The results indicate that the coated Pb not only can increase the overpotential of hydrogen evolution, but also can shift the corrosion potential of zinc electrode to the more positive position, so as to decrease the corrosion rate.

结果表明：在泡沫镍集流体上镀铅不仅可以提高电极的析氢过电位，还能使其腐蚀电位正移，减小腐蚀程度；同时还能在一定程度上解决锌电极的钝化问题。

By confecting simulation corrosion solution of pressuring air cooler system of Maoming Petrification and using CMB-1510B portable instantaneous corrosion rate meter, the experimental inhibition efficiency of organic corrosion inhibitor of Na2S and its compound was evaluated.

在实验室模拟茂名石化加压空冷器系统的腐蚀溶液，运用CMB-1510B便携式瞬时腐蚀速度测量仪评价了多硫化钠复合缓蚀剂的缓蚀性能。

The white rust on the surface of lead showed less protectiveness generally.

而铅在自来水、人工海水和湿热箱中腐蚀程度有所减缓，铅表面生成的腐蚀产物对铅有一定的保护作用。

T he influence of corrosion rate with different content of CO2 to some metal materials is tested and the curve of corrosion reactive rale is given.

因此，对油气管道内CO2、H2S腐蚀作用规律及腐蚀机理进行研究，是实施有效的内防腐措施的关键。

Active corrosion areas on the sample surface have been found tinder the fluorescence spots by optical microscope.

结果表明，所选的3种光敏材料均能有效地监测到铝合金基体的腐蚀位置及腐蚀发展过程。

In the atmosphere-vacuum unit, stress corrosion cracking occuring in weld area is the most dangerous and rapid failure type.

由于在常顶环境下，焊接区的应力腐蚀为扩展速度最快，危害最严重的腐蚀类型。

On the one hand, the effect of vanadium on A3 steel in high-sulfur residual oil system; on the other hand, the corrosion behaviors of A3 steel with/without-aluminizing layer in the molten vanadate.

一方面，研究了在高硫渣油系统中钒对A_3钢腐蚀行为的影响；另一方面，探讨了在熔融钒化物(V_2O_5-Na_2SO_4)介质中，A_3钢及其表面渗铝层的腐蚀行为。

Based on analyses of the present applications of corrosion inhibitors for recirculated cooling water, a new-type of complex corrosion inhibitor containg molybdate, zincate, organic acid and gluconate was proposed.

为解决某水样的腐蚀问题，提出了一种由钼酸盐、锌盐、有机酸、葡萄糖酸盐等组分的复合缓蚀剂配方，设计了正交实验，并采用旋转挂片测定了其腐蚀速度。

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。