查询词典 corrosion

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。

It was shown that the pitting corrosion potential of stainless steel could be 1.0 V. The corrosion resistance of the passive film could be improved still further by adding proper quantity of K2Cr2O7 into passivating bath solution.

结果表明，医用317L不锈钢在≥30%的HNO3 35℃ 6h的条件下钝化，该钝化膜在0.9% NaCl溶液(37℃)中进行电化学测试，其点蚀电位约为1.0V，在HNO3钝化溶液中加入适量的K2Cr2O7可以进一步提高钝化膜的耐腐蚀性能。

This paper mainly discusses the corrosion condition in urea prilling tower , hereby including anti-corrosion materialsand other technology are mainly covered, especially vinyl ester resin compound with glass flake.

详细阐述了尿素造粒塔的腐蚀机理，就其中的内外侧的防腐蚀形态进行了总结，并就此针对性的进行了防腐蚀材料的推荐及设计，尤其是玻璃鳞片胶泥。

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。

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%H_2O_2 corrosion sol...

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%H_2O_2水溶液介质中和375 MPa应力下的应力腐蚀断裂时间大于30 d，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。

Protection from corrosion: before goods are packed, materials which are liable to deterioration during transit should be properly treated with protective;highly polished metal surface are particularly subject to the dangers of rust and corrosion;It is customary to coat the surfaces thickly with a slushing oil; anti-corrosive compounds, films, wax or grease should be applied.

防腐蚀包装：在货物包装之前，对在运输过程中可能变质的材料采取适当的防护处理；抛光的金属表面很容易生锈和腐蚀。通常在表面刷上一层厚厚的抗腐蚀润滑油；防腐化合剂、薄膜、蜡、润滑油等是必用之物。用刷子、喷漆枪涂上，或在浸泡桶里加以处理；密封的容器和除湿化合物，如可用硅脂胶体；大体积液体通常装在鼓形圆桶或罐里；一些材料应该用防水纸或石蜡包纸；为了预防高危险材料，船运公司规定了包装规格；箱子应该与防水纸和布一致。

The corrosion products of aluminum exposed in the SO2-containing atmosphere are mainly of sulfates, and is therefore it is more serious corrosion in this environment.

对腐蚀产物结构的测定，在含SO2的气氛中铝的腐蚀产物主要是由硫酸盐组成，因而其腐蚀较为严重。

Influences of hydrogen sulfide, element sulfide, mercaptan, sulphuring ether, disulfide individually on silver strip corrosion of jet fuel, and of element sulphur coexisting with other sulfide on silver strip corrosion of jet fuel were studied.

考察了硫化氢、元素硫、硫醇、硫醚、多硫化物等单独存在时对喷气燃料银片腐蚀的影响；同时研究了元素硫与其它硫化物以不同浓度混合时对喷气燃料银片腐蚀的影响。

Corrosion resistance of the deposits in simulated vulcanized gases was measured, and effect of thermal treatment on corrosion resistance of the.

研究了镀层在模拟硫化气氛中的耐蚀性及热处理对镀层耐蚀性的影响。

On the basis of an analysis of the main causes leading to a boiler waterwall high-temperature corrosion in a tangentially-fired furnace it is concluded that a rational air distribution and proper adjustment of combustion regimes represent the basic measures to prevent the above-cited corrosion.

分析了切向燃烧锅炉水冷壁高温腐蚀的主要原因，认为合理配风、调整燃烧是防止高温腐蚀的根本措施，着重介绍了新型实用专利水平浓淡风煤粉燃烧器的基本原理，指出水平浓淡风煤粉燃烧器可有效防止高温腐蚀的发生。

But this model is now in danger of outliving its usefulness.

但这种发展模式正面临丧失效力的风险。

To be brighter in the images and are now visually distinguishable.

to是明亮在图象并且现在是视觉上可区分的。