抗腐蚀

The green substance found on copper after exposure to the air is known as verdigris .

铜能抗腐蚀。铜暴露在空气中形成的绿色物质称为铜绿。

Warning:We do not recommend the user to swim or bathe with this watch,especially in salf water,becouse the USB plug is not protected against corrosion and resldue.

注意：我们不建议用户在游泳或洗澡时仍佩带此手表，尤其是在盐水中，因为USB插头不具备抗腐蚀能力。

High and low ventilators covered internally with double fine brass wire gauze of nominal aperture size not greater than 0.65mm and externally with non-corrodible metal gratings/louvers to be provided to the store.

该仓须具备高低通风气窗，窗内安装双层幼铜线网，网眼不得超逾0.65毫米，窗外则安装抗腐蚀铁枝格栅或百叶窗板。

Blade assembly is cured at 250℉ in a machined metal mold. After curing, the blade is trimmed, the Polyurethane leading-edge erosion strip is applied, and the blade is finished and balanced. Tungsten leading-edge weights in the outboard 50% of the blade provide aeromechanical stability, and tungsten tip

主旋翼翼梁以石墨、玻璃纤维及环氧树脂模合而成，诺美克思蜂巢结构的翼后缘夹心黏附於翼梁及旋翼后缘强化结构上，组成后在华氏250度的预热金属模上包里玻璃纤维叠层，经过修裁，加上聚配胺抗腐蚀片后才告制作完成。

Cavitation erosion performance of laser surface cladding MMC of Si3N4 on AA6061 alumium alloy .

激光熔覆钴基合金组织及其抗腐蚀性能。

The anticorrosion property and thermal stability were also investigated.

结果表明：所合成的添加剂具有良好的热稳定性、抗腐蚀性能和极压抗磨减摩性能。

A new corrosion-scale inhibitor composed of citric acid/hydroxy ethylidene diphosphonic acid/polyitaconic acid-styrene sulfonic acid copolymer exhibited a good inhibition efficiency on corrosion and scale-forming, it can be used in circulating cooling water systems.

新型缓蚀阻垢剂柠檬酸/羟基乙叉二膦酸／聚衣康酸-苯乙烯磺酸有优良的抗腐蚀性能和阻垢性能，可用于循环冷却水系统。

The unique strainer consists of a helically wound stainless steel spring wire which is durable and cannot corrode.

独特的粗滤器由一个螺旋形不锈钢弹簧线组成，持久耐用，抗腐蚀。

A chromium free conversion coating at least equivalent in corrosion protective quality to conventional chromate conversion coatings can be formed on metals, particularly cold rolled steel, by a dry-in-place aqueous acidic liquid comprising: a component of anions, each of said anions consisting of at least four fluorine atoms and at least one atom of an element selected from the group consisting of titanium, zirconium, hafnium, silicon, and boron, and, optionally, ionizable hydrogen atoms, and optionally, one or more oxygen atoms; a component of cations of elements selected from the group consisting of cobalt, magnesium, manganese, zinc, nickel, tin, zirconium, iron, and copper; the ratio of the total number of cations of this component to the total number of anions of component being at least 1:5; sufficient free acid to give the composition a pH in the range from 0.5 to 5.0; a component selected from the group consisting of phosphorus-containing inorganic oxyanions and phosphonate anions; and a component selected from the group consisting of water-soluble and water-dispersible organic polymers and polymer-forming resins and, preferably, also including a component selected from the group consisting of tungstate, molybdate, silicotungstate, and silicomolybdate anions.

通过对包含以下成分的含水酸性液体进行干燥，可以在金属上形成无铬的转换涂层，该涂层与普通铬酸盐转换涂层相比，至少在抗腐蚀质量上等效：$_一种阴离子成分，所述各个阴离子包括至少4个氟原子，至少选自钛、锆、铪、硅与硼元素中的1个原子。任选地可离解的氢原子，任选地1个或多个氧原子；$_一种选自钴、镁、锰、锌、镍、锡、锆、铁与铜元素的阳离子成分，上述成分的阳离子总数与成分内的阴离子总数之比至少为1∶5；$_足够的游离酸以使该组合物的pH值在0.5～5.0的范围内；$_一种选自含磷的无机含氧阴离子与膦酸盐阴离子的成分；$一种选自水溶性与水可分散性有机聚合物与聚合物形成的树脂的成分，优选还包括一种选自钨酸盐、钼酸盐、钨硅酸盐与钼硅酸盐阴离子的成分。

Shell Diala are formulated from top quality naphthenic base oils giving excellent insulation performance and corrosion protection.

壳牌大雅纳采用优质环烷基础油精制而成，具有良好的绝缘性能和抗腐蚀性能。

Further more, the simplified analysis method on stressed-skin effect of corrugated steel sheet is also discussed in detail.

此外还比较详细地探讨了蒙皮效应的简化分析方法。

If I had known her telephone number,I would have called her.

要是我知道她的电话号码，我就打电话给她了。