查询词典 corrosion

The microstructure after heat treatment was observed,the content of ferrite was measured(0%),and the hardness measurement,pitting corrosion and intercrystalline corrosion test were also conducted.

对热处理后的组织进行了金相观察，测定铁素体体积百分含量低于40%，并进行硬度测量、点腐蚀以及晶间腐蚀试验。

Field corrosion behavior of 316L stainless steel,317L stainless steel,and titanium-alloy were measured.The experiments were carried out in 8 typical sites of isophthalic acid production line for 2 620 hours.Corrosion rates of different materials were given through weight loss method.

选用316L不锈钢、317L不锈钢和Ti材3种材料，在间苯二甲酸生产线氧化车间的8个典型位置进行了2 620 h的现场挂片试验，用失重法计算了3种材料在8个位置的腐蚀速率。

Sodium laurate is not effective for carbon steel corrosion in CO_2-saturated solution containing Cl-, but it is effective for galvanic corrosion of galvanic couple (stainless steel/carbon steel).

月桂酸盐对碳钢在饱和CO_2的含氯离子介质中的腐蚀抑制效果较差，但对碳钢/不锈钢偶对的电偶腐蚀抑制效果较好。

After testing the sensing properties of the different thickness of Fe-C film,a new way was proposed to monitor corrosion quantitatively,a conclusion was drawn that the ion sputtering Au was the best way to metallize the fiber core,which should be helpful for the future research of the optical fiber corrosion sensor with Fe-C alloy film.

结果表明，通过离子溅射金使纤芯金属化是一个相对较好的方法，这为Fe-C合金膜光纤腐蚀传感器的进一步发展开启了新思路。标签光纤光学 Fe-C合金膜制备腐蚀实验定量监测 fiber optics fabrication of Fe-C alloy film corrosion test quantitative monitoring

Structure and corrosion behavior of the high silicon cast iron in several different environments have been tested by means of weight-loss analysis and metallograph,and compare the corrosion resistant of high silicon cast iron with common gray iron and white iron.

采用失重分析、金相分析等试验方法研究了高硅铸铁在不同环境下的耐腐蚀性能，并对高硅铸铁、普通灰铸铁及白口铸铁的耐腐蚀性进行比较。

This paper describes the distribution of potentials and current densities and the chemical changes in the presence of cathodic protection,the mechanism of cathodic protection against crevice corrosion,the mechanism of microbiologically influenced corrosion of pipeline steel beneath disbonded coatings.

综述了在有阴极保护的条件时剥离涂层下缝隙内电位电流的分布和化学环境的变化、阴极保护防止缝隙腐蚀的机理、微生物腐蚀的机理以及前人提出的关于剥离涂层下微生物腐蚀与阴极保护相互作用的规律，并展望了对于解决剥离涂层下微生物腐蚀难题需进一步的实验研究

The corrosion and erosion-corrosion behaviors of A3 carbon steel in naphthenic acid mediums at high temperature were studied in detail.

1前言高温环烷酸腐蚀和冲刷腐蚀是世界炼油工业的宿敌，也是目前炼油厂亟待解决的难点问题之一。

Effective measures are recommended to control the naphthenic acid corrosion of the pipe,including selection of corrosion-resistant 316 or 316L steels and modification of tee construction.

并提出了减缓阻垢剂进料管环烷酸腐蚀的措施，主要包括选用更耐蚀的316或316L材质以及改进三通结构等。

Results showed that the combined effect of Streptomyces and Nocardia sp markedly increased the corrosion tendency of steel A3, decreased the impedance value and increased the corrosion current density of the electrode after 21 days of exposure.

结果表明，与单种菌相比，混合菌作用下试样表面的腐蚀倾向增大，阻抗值降低，腐蚀电流密度增加。

Firstly, achieving a new low and high cycle noninterfering loading, the high frequency induction local heating, the control of high cycle vibration frequency and amplitude, and the crack propagation real-time detection, an experimental system of L-HCCF at elevated temperature is established. Secondly, under two vibration frequency (50Hz and 100Hz), the contrast experiment of light and serious corrosion disc slots is done. It is found that the experimental L-HCCF life of serious corrosion disc is less than that of light's, but its dispersion is larger, and the experimental failure is identical with the service's.

首先，进行大量试验工作，提出了高低周疲劳载荷的新型加载方案，并解决了高频感应局部加温、振动调频及裂纹实时监测等多个技术难点，建立了涡轮盘全尺寸高温复合疲劳试验系统；验证试验做到了故障再现；接着进行了两种频比（振频50HZ与100HZ）的轻、重腐蚀盘的对比试验；由对榫槽第一齿进行裂纹实时跟踪，得出了枞树型榫槽的复合疲劳裂纹扩展特点规律；对榫齿断口进行的金相分析表明：裂纹首先由第一齿开始，断口系复合疲劳；试验结果显示：重腐蚀盘试验寿命较轻腐蚀盘有显著的下降，而且分散性较大。

No complex distressful things on your mind but only our love and care for each other.

无复杂痛苦的事情，对你的心，但只有我们的爱和照顾对方。

At first light, on his own initiative, Vick located the enemy emplacements andfired on them, using 15 rounds.

破晓时分，维克主动地去查找敌军的炮位并向它们开火，打了15发弹药。