查询词典 corrosion

Corrosion characteristic of X70 pipeline steel in a high saliferous and alkaline soil environment, named Ku'erle soil, was investigated by burying tests both in lab and nature field, micro-morphology analyses and electrochemical polarization technique.

通过实验室和现场条件下的埋片实验，并结合微观形貌分析和电化学极化技术，研究了X70钢在库尔勒土壤环境中的腐蚀行为。

It's also particularly resistant to salt water corrosion, as well as hypo-allergenic--perfect for those with metal allergies.

它也特别耐海水腐蚀，以及防过敏-金属过敏体质的人与完美。

The titanium surface is treated by sandblast, mechanical abrasion, chemical corrosion, etc, and activated before brush plating, so as to effectively improve the cohesion between titanium substrate and silver coating.

采用无氰电刷镀银溶液，通过对钛基体进行喷砂、机械打磨、化学刻蚀等表面处理，电镀前再经过表面活化，可有效地提高钛基体与镀银层之间的结合力。

We found corrosion after wafer sawn for one customer.

我们发现有一家客户的晶圆在切割後有腐蚀，客户给我们很多晶圆去切割，我们的D/A

A 5. 5h anti-impinge test indicated that the whole technical process had a better anti-impinge ability The feasibility modeling test of water quality showed that the quality of reclaimed water after the treatment by the above process, when used as supplementary circular cooling water and boiler water, met the nation standards in the respect of corrosion, scaliness and bacteria breeding, and even better than the normally used cooling water.

以炼厂实际外排污水为原水，通过两期水力负荷分别为0.2m3/h和0.5m3/h中试规模测试，当本工艺处理水力负荷0.5m3/h、水力停留时间1.49h，污水中COD、氨氮、石油类、悬浮物、挥发酚的浓度变化分别为44.07～102.13mg/l、28.37～50.01mg/l、4.68～19.36mg/l、7.2～34.5mg/l、0.14～0.31mg/l时，平均去除率分别达到94％、96.1％、91.9％、98.2％、100％，出水各项指标均符合循环水补充水水质要求；且通过5.5h抗冲击实验结果显示，整体工艺具有较强的抗冲击能力。

In 3.5% NaCl solution, the stress corrosion cracking properties of a new Al-Mg-Cu alloy containing scandium were examined. The composition and the micro-morphology of the crack tip were analyzed.

摘 要：对3.5%NaCl溶液中新型含钪Al-Mg-Cu合金的应力腐蚀开裂宏观性能进行测试，并对裂纹尖端的成分与微观形貌进行分析。

Effects of scandium addition on the microstructure and properties of Al-5.3Cu-0.8Mg-0.6Ag-0.2Zr (mass fraction,%) alloy were investigated using optical microscope, scanning electron microscopy and transmission electron microscopy, tensile testing and intercrystalline corrosion testing.

通过金相、扫描电镜、透射电镜、性能测试等实验方法，研究了Sc对铸态Al-5.3Cu-0.8Mg-0.6Ag-0.2Zr合金的组织和性能影响。结果表明，添加0.10 %～0.5 % Sc后，在室温到300 ℃测试范围内，合金的室温拉伸强度、高温耐热性能及晶界腐蚀性能得到了改善。

The influence of lacking strength of materials and screw thread are treated in this paper, as well as corrosion questions on complicated project situation.

本文从材料、环境和磨损三个方面对石油气井套管钻柱失效原因进行了分析。

Corrosion Behaviors of Q235 in sea-shore salt soil with different water contents were studied by EIS technique.

利用电化学阻抗谱研究了Q235在不同含水量滨海盐土中的腐蚀行为。

First, the water pump mechanical seal ring on the surface of metal corrosion.

第一，水泵的机械密封上金属环表面均匀腐蚀。

Next time I see you,I shall give you a black eye.

下次我看见你，我会打你一顿。

In this paper,design scheme of classification system of wood surface color is established.

提出了木质板材颜色分类的系统设计方案。