在紫外光的照射下检查是否有细小的裂纹和腐蚀孔。
Under the irradiation of uv light to check whether there is a tiny cracks and corrosion holes.
结果，使一种金属腐蚀，最终在该电极上产生腐蚀坑或腐蚀孔。
As a result of this, one of the metals is corroded away until a pit or hole eventually is created in the electrode.
确认这些区域没有腐蚀、裂纹、排放孔堵塞及其它杂物。如有必要进行清洁。
Make sure that this area has no corrosion, cracks, blocked drain holes, unwanted objects. Clean, if necessary.
铝合金和镁合金最常见的锈蚀腐蚀是疮孔。
The most common type of corrosion on aluminum and magnesium alloys is pitting.
因此，在飞机和其他结构的关键部位，采用冷胀孔技术是一种提高腐蚀环境下结构疲劳性能的行之有效的方法。
Therefore, it is an effectivemethod to improve corrosion fatigue property to use the hole cold-expansion technique in the aircraft and other structures.
圆块孔式石墨换热器是一种传热性能优良、结构紧凑、耐腐蚀性能极强的热交换设备。
POLYBLOC graphite heat exchanger is a heat exchanging equipment which possesses dense structure, excellent heat-transfer property and corrosion resistance.
修船中常会遇到铜质舵承出现松动，舵承座孔被腐蚀的情况。
Coppery rudder bush loosen and corrosion of rudder bracket are found frequently when vessel is in repair.
电镀工艺中的封孔、振光、除油、酸洗等工序必须添加缓蚀剂，且低温封孔，以避免过腐蚀。
Corrosion inhibitor must be added in sealing, sanding, degreasing and pickling to avoid over-corrosion, and sealing should be operated at low temperature.
钢带上的镍涂层属阴极性涂层，孔蚀是腐蚀的主要形式。
Nickel coatings on the steel strip are cathodal coatings, and the hole erode is the main erosion mode.
海船压载舱使用海水压载，引起船体板的腐蚀，焊缝处会产生蚀孔漏水。
The use of sea water in ballast water tank of sea-going ships causes the corrosion of ship hull plates and the water leak from the corroded holes at welding seams.
从微观孔结构分析了FC掺和料提高高性能混凝土抗硫酸盐腐蚀性能的机理。
The mechanism of FC admixture increasing the high performance concrete resistance to sulfate corrosion is analyzed as viewed from micro structure.
特别在溶解氧浓度有差别的场合，浓差电池常引起严重腐蚀、导致孔蚀。
Severe corrosion, leading to pitting, is often caused by concentration cells, particularly where differences in dissolved-oxygen concentration occur.
用内孔焊结构代替传统的端面焊结构是提高换热器管子与管板焊接接头抗应力腐蚀和缝隙腐蚀稳定性的根本途径。
Substituting inner-hole welding construction for traditional end surface welding construction is a fundamental method for raising the stabilities of anti-stress corrosion and anti-slit corrosion.
腐蚀形貌呈现孔蚀特征。
Morphology of corrosion presents pitting corrosion character.
化学蚀刻的模板也可以成锥形，但是如果只从一面腐蚀，开孔尺寸可能太大。
Maybe the chemically etched can form the taper but the hole dimension maybe too big if only etch from one side.
选择两种具有不同类型硫化物夹杂的碳钢，通过模拟蚀孔的闭塞腐蚀电池试验，研究了它们在人工海水中的孔蚀扩展行为。
Using OCC simulation test, behavior of pitting propagation of two carbon steels for shipbuilding with different sulfide inclusions in synthetic seawater was studied.
采用材料具有疏水性能，没有气泡孔，是同类产品中耐腐蚀性最好的。
All raw materials are hydrophobe, no air pores. It proven that it has the best anticorrosion performance in all know tube plates.
因此，封孔处理是提高涂层防腐蚀性能的重要途径。
Stearic acid sealing the hole is better than any other methods of sealing the hole I.
选择三种典型的碳钢、低合金钢，通过极化试验比较了它们之间的点蚀诱发敏感性和模拟孔蚀的“闭塞腐蚀电池”，试验研究了它们之间的孔蚀扩展行为。
Their susceptibility to pitting has been compared by means of polarization test, and their behavior of pitting propagation has been studied with OCC simulation test.
钛合金ta7在盐酸-甲醇溶液中的应力腐蚀裂纹源自点蚀孔底部。
It shows that the SCC susceptibility occurs in methanol solution. SCC of TA7 originates from the...
封孔处理是提高涂层防腐蚀性能的重要途径。
Stearic acid sealing the hole is better than any other methods of sealing the hole I.
封孔处理是提高涂层防腐蚀性能的重要途径。
Stearic acid sealing the hole is better than any other methods of sealing the hole I.
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