corrasion

Chemical thermodynamics evaluation on the corrasion of groundwater in karst tunnel

岩溶隧道中地下水侵蚀性的化学热力学分析与评价

The tracing method of radioactive nuclide in soil environment is widely applicated in studying soil corrasion .

利用环境中散落的放射性核素示踪研究土壤侵蚀是近几十年来应用比较广泛的方法之一。

Study on corrasion of decomposition of SF_6 to insulating pole

耐SF6分解物腐蚀性绝缘拉杆的研究

The result of experiments with organic substance corrasion showed that content of organic substance is from 3.01 % to 22.87 % .

土壤有机物侵蚀试验结果表明，4个处理的被侵蚀土壤中有机物含量范围在3.01%一22.87%之间。

Although karst pore system was packed again after forming , it provides conditions for the development of burial corrasion pores .

岩溶空隙系统虽然在形成后又被充填，但为埋藏溶解孔隙的发育提供了条件。

The indoor testing shows that retarded acid RA has good retardation , lower corrosion to steel , and good corrasion ability .

其中主体酸为多元酸的混合物，在地层条件下可进行一级、二级电离（pka＜6）。室内试验表明：RA缓速酸体系具有较强的溶蚀能力和缓速性能，其腐蚀性低；

It discusses the location and characteristics and causes for turbine low pressure cylinder , and suggests some measures of preventing slowdown this corrasion .

对汽轮机低压缸腐蚀进行了论述，分析了低压缸腐蚀部位、特征及腐蚀机理，并提出了防止和减缓低压缸腐蚀的措施。

This paper introduced the structure characteristic , corrasion mechanism and principle of inner water treatment in turbo-generator with inner water-cooling for stator and rotor .

介绍双水内冷发电机内冷水系统的结构特点、腐蚀机理和水质处理的原理方法。

The result indicates while 3 ~ # 、 4 ~ # boiler water treatment method changed from N_aOH treatment to equilibrium phosphate treatment , the corrasion of water cooled wall is effectively controled .

试验结果表明，该厂3、4锅炉炉内水处理方式由氢氧化钠处理改变为平衡磷酸盐处理后，水冷壁的腐蚀得到了有效控制。

Polypropylene fiber is a kind of organic synthesized fiber by chemical method , which elastic simulate is lower than cement-based material . As polypropylene fiber has virtues of good mechanics properties and enduring chemic corrasion , which can be used improve resisted tensile stress and toughness .

聚丙烯纤维是一种弹性模量低于水泥基基体的有机合成纤维，由于聚丙烯纤维具有很好的力学性能，耐化学侵蚀的优点，它可望用于改善基体的抗拉性能与韧性性能。