查询词典 corrosion resisting

The transfer resistance of corrosion process increased with the increment of temperature and prolonging the immersion time,this is related to the compact property of the corrosion film.

随着浸泡时间的延长和温度的升高，腐蚀过程的传递电阻增加，这与高温下生成腐蚀膜的致密性有关？

In order to find out the cause of gas well corrosion,the correlative processing of corrosion environment data measured at well site in Zhongyuan oil field was done by use of the grey association analysis method in grey theory on the basis of the material failure analysis and indor simulation test of tubing.

为了弄清气井腐蚀原因，在对油管进行管材失效分析和室内模拟试验的基础上，应用灰色理论中的灰关联分析方法对中原油田现场实测的腐蚀环境数据进行了相关处理，分析了影响气井油管腐蚀的主要因素并探讨了其腐蚀规律。

According to the complexity of the sulphate salty soil,the paper analyzes the harm and the cause of the sulphate salty soil from the salt expansion,the collapsibility and the corrosion,studies the dynamic compaction to eliminate the collapsibility of the sulphate salty soil foundation,and puts forward the anti-corrosion measures.

针对盐渍土问题的复杂性，从盐胀性、溶陷性、腐蚀性方面分析了硫酸盐渍土的危害及其产生原因，结合具体情况，对强夯法消除硫酸盐渍土地基的溶陷性进行了研究，并提出了防腐处理措施，通过实际工程中的成功应用说明了该方法的可行性。

Corrosion and prevention strip map of soil conditions along buried pipeline are studied , taking the corrosion current density meatured on situ as the method and the quantitive classification index for soil corrosivity evaluation.

对于地下管道土壤环境腐蚀性及防护状况带状图的研究，以原位测量方法获得的腐蚀电流密度i_作为土壤腐蚀性评定方法和定量等级指标。

The effect factors analysis based on FEM shows that: Raising the strength of concrete and the thickness of cover concrete would delay the cracking of concrete; Stress superposition would appear due to the influence of adjacent rebar, and increasing the rebar space would postpone the time of cover cracking; Stirrup could suppress the cracking of cover concrete, however, the effect is limited and the corrosion-degree-ratio and corrosion expansive force would not increase until the cover concrete cracking happens completely.

结合有限元分析结果，对影响锈胀开裂的各因素进行了分析，结果表明：提高混凝土强度、增加保护层厚度有助于延缓保护层的开裂；相邻钢筋的存在会使钢筋之间的混凝土出现应力叠加现象，箍筋对混凝土保护层内由锈胀产生的应力具有抑制作用，但是在保护层完全开裂之前，箍筋的抑制作用有限。

Associated with the steam corrosion of Hebei some certain power plant circulating water pump,after analyzed the main reasons of circulating water pump steam corrosion ,brought forwards the effective measures of this problem,to offer the basis of economic safe operation of the power plant.

结合河北某电厂循环水泵的汽蚀情况，在充分分析了循环水泵汽蚀的主要原因后，提出了解决问题的措施，为电厂的经济安全运行打下了良好的基础。

The progress in the research on Polyaspartic acid as green water treatment corrosion inhibitor is reviewed in detail. The inhibition effects of PASP for carbon-steel, copper and copper alloys corrosion in different solutions are summarized. It is shown that the complex of PASP and sodium tungstate has a good synergistic effect.

综述了近年来聚天冬氨酸作为水处理缓蚀剂的研究进展；探索了其对碳钢、铜及铜合金在不同体系中的缓蚀效果；指出了复配聚天冬氨酸具有较好的缓蚀协同效应。

Among the 9 copper alloys, brass with double phase and silicon bronze are the most sensitive ones to corrosion of flowing seawater,i.e.the most severe corrosion of the two alloys happened in zhoushan.

分析研究了 4种铜合金在舟山、青岛、榆林各海水腐蚀试验站暴露4年以上的腐蚀数据，得到流动海水和污染海水对铜合金脱成分腐蚀的基本规律和机理。

Pitting corrosion developed continuously by means of self-catalysis owing to the existing of passive-active cell in pitting corrosion hole. The Al2Cu phase was found on the grain boundary, and a poor Cu element area was observed nearby grain boundary.

在蚀孔内形成了钝化-活化原电池，使点蚀以自催化的方式不断发展。L401合金中α-Al相在吴占军西安理工大学硕士论文晶界析出A12Cu，在晶界附近产生贫铜区。

There is nearly no corrosion on the welding seam and some corrosion pits in the heat affected zone.

在卷焊铝筒焊缝上基本未发生腐蚀，焊缝附近的区域却有较深的蚀坑。

Metrorrhagia is also gynaecological problems of common diseases.

崩漏是妇科常见病也是疑难症。

WordFTP gives you the convenience and timesaving you need.

wordftp让您的方便和省时您所需要的。