腐蚀的

The prepared microemulsion diesel oil have favourable cold endurance which is better than 0(superscript #) diesel oil. It can be held for 205~424 days in ambient temperature. And the cautery is 1A which doesn't cauterize the diesel.

结果表明，制备出的柴油微乳液具有较低的运动粘度，比0柴油具有更优异的耐低温性能；室温稳定时间为205~424d；各样品的腐蚀度均为1A级，不会对内燃机造成腐蚀。

Enhanced corrosion protection was achieved from double layer deposits (EN deposit of about 30μm as the base coating plus alkaline ZnNi electrodeposit of about 10μm as a topcoat), which was capable of surviving 800～1000 hours of NSS without signs of corrosion.

在厚度相近的情况下，这种镀层组合可以承受800～1000hr的盐雾腐蚀，这一数值表明这种镀层组合可以为镁合金在非常严酷的腐蚀环境中提供良好的保护。

Thus the depth method was used to determine the corrosion rate of the ferroalloy with respect to the application in engineering.

熔融的液锌对Fe基合金有很强的腐蚀作用，判断Fe基合金的耐熔锌腐蚀性能对选择Fe基合金材料有重要的作用。

This study focused on the methods of pre-processing and post-processing of the point cloud data. According to threshold value of the firebrick erosion, an approach to identification and segmentation for the eroded region of the wall of gasifier was presented.

重点讨论了点云数据的预处理及后处理的方法，并根据内壁耐火砖的腐蚀阈值，提出了一种气化炉内壁腐蚀区域的识别与分割方法。

In order to reduce the corrosion of acidic paint stripper to aeronautical metals and provide with better anti-corrosion additive for AIL4130, TC4, LY12, and 20(superscript #) steel, a series of inhibitors and their composite were investigated. Weight loss experiment, Tafel curves measurement and SEM observation were carried out for the above metals in the formic acid solution which was normally used in the paint stripper. The experimental results indicate that the optimizing composite inhibitor consists of sodium benzoate, 2-thiourea, hexamethylenetetramine, sodium laurylsulfonate and 1, 2, 3-benzotriazole.

为降低酸性脱漆剂对飞机金属材料的腐蚀，以脱漆剂中经常使用的甲酸水溶液为研究介质，以AIL4130、TC4、LY12、20钢等材料为研究对象，通过腐蚀失重法、塔菲尔曲线测量和SEM观察，筛选出对以上各金属材料缓蚀效果较好的复配缓蚀剂体系，即苯甲酸钠、硫脲、六次甲基四胺、十二烷基磺酸钠、苯并三氮唑等缓蚀剂的优化组合。

To adopt the chemical cleaning method to clean the fouling and corrosion of inner side of the tube.

采用化学清洗方法对管束内壁的结垢及腐蚀产物进行清洗，提高了设备的换热效果，避免了金属表面的腐蚀，保证了装置的安全运行。

Additionally, the difference of corrosion phenomenon between pre-and aftersweetening was studied when the elemental sulfur coexisted with mercaptan.

不同结构的硫醇和二硫化物对元素硫的腐蚀产生不同的影响，使腐蚀铜片出现不同的多彩色。

As a result, we present the concept of degree morphological operation and establish the binary morphological model based perceptional structure.

针对二值图像，证明了数学形态学腐蚀、膨胀运算与感知器模型的关系，并进一步对传统的二值腐蚀、膨胀运算做了推广，提出了程度化形态运算的概念，建立了基于感知器结构的二值形态运算模型； 2。

The current density peak of brass welded line appeared at -0.012 V, and a porous corrosion film was formed. The electrode was passivated subsequently. The passivation film was made up of Cu2O, CuCl and ZnO. The passivation film dissolved with electrode potential, and displacement deposition took place between Cu and Zn. The copper redeposition on the electrode surface induced the increase of electrode activity and corrosion rate.

黄铜焊缝在电位-0.012V时出现电流峰，腐蚀产物膜多孔、疏松，随后电极进入钝化区，钝化膜由Cu2O、CuCl和ZnO组成；随电位升高，钝化膜溶解，发生铜锌置换反应，沉积的Cu导致活性电对的形成，增加了合金的腐蚀速度；当电位为+0.87V时，电极表面富集了针状锡和锡的氧化物。

According to SEM observation, the corrosion regulation of LC4 aluminum alloy with alclad in China water system and the protection of alclad on LC4 were studied. The corrosion experiment was done in seawater of Qingdao, Zhoushan, Xiamen, salt lake with high salinity of Geermu, and fresh water of Changjiang River in Hankou.

利用带包铝LC4铝合金在东部地区海水、西部地区盐湖水、中部地区淡水中的暴露腐蚀试验，对盐湖水中包铝对铝合金基体的保护作用行为进行了探讨，得到带有包铝的LC4铝合金在水系统中的腐蚀规律。

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。