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- naphthenie acid corrosion 环烷酸腐蚀
- Effective measures are recommended to control the naphthenic acid corrosion. 并提出了减少减压炉管环烷酸腐蚀的措施。
- Non-corrosion medium such as water, oil products, and gas, etc, and nitric acid corrosion medium. 水、油品、气等非腐蚀介质和酸碱腐蚀介质。
- A variety of methods are available in the industry to control naphthenic acid corrosion, and will be described. 文章阐述了炼油工业中使用的控制环烷酸腐蚀的多种方法。
- In addition, the distinction between sulfuric acid corrosion and thiobacillus corrosion is explained. 介绍了混凝土硫酸杆菌腐蚀与化学硫酸腐蚀的区别。
- In addition,the distinction between sulfuric acid corrosion and thiobacillus corrosion is explained. 介绍了混凝土硫酸杆菌腐蚀与化学硫酸腐蚀的区别。
- Acid corrosion of it, but soluble in chloroform, ethylene dichloride, bananas, water and other organic solvents. 它耐酸碱腐蚀,但易溶于氯仿、二氯乙烯、香蕉水等有机溶剂。
- L Craig.Temperature and velocity effects in naphthenic acid corrosion[J].Corrosion/96,NACE,1996 paper No:603. 高延敏;陈家坚;柯克;等;环烷酸与硫化氢腐蚀体系的热力学分析[J].;腐蚀科学与防护技术;19(6):357
- Naphthenic acid corrosion is the tough problem in processing high-acidity crude. 环烷酸腐蚀是炼制高酸值原油时遇到的一个难题。
- The fluid pass part of sulfuric acid pump should be selected the 941 material because of its acid corrosion resistance and good weld ability. 而 941在常温下耐各种浓度的硫酸 ,并具有较好的焊接性能 ,故硫酸泵过流部件用材选择 941。
- Naphthenic acid corrosion at high temperature has been an old enemy in oil refining industry, and also one of the problems desiderate to be solved. 摘要高温环烷酸腐蚀是世界炼油工业的宿敌,也是目前亟待解决的难题之一。
- This artical briefly discusses the occurence of naphthenic acid corrosion on crude distillation unit as well as the peventive measures having been successfully taken. 本文就辽河原油环烷酸的腐蚀及其采取相应的防护措施进行了简要介绍.
- Acid corrosion could be used for tolerance adjustment of irregular core and core rod,replacing difficult operation of tolerance adjustment by machining. 三酸腐蚀可以对异形型芯、芯棒的尺寸公差进行调整,以代替机械加工对公差调整的困难操作。
- According to police, the human risk of drug trafficking a large, packaging bags by acid corrosion cracking event, possession of drugs poisoning deaths are likely. 据民警介绍,人体运毒的危险性相当大,包装袋万一被胃酸腐蚀破裂,藏毒者很可能中毒死亡。
- Wear is also caused by acidic corrosion, rusting, and the abrasion from the contaminants carried in the oil. 磨损也是由酸性腐蚀、生锈和来自机油所携带的渣滓引起的研磨所引起的。
- The characteristics of aluminum diffused steels, their performances in resisting high-temperature oxidation, high-temperature sulfur and naphthenic acid corrosion and their applications were described. 介绍了渗铝钢的特性和它的抗高温氧化、耐高温硫、高温环烷酸腐蚀和抗渗碳的性能及应用范围。
- This article presents utilizing the asessment grading of X method of GB1223 75 "Stainless acid resistant steel intergranular corrosion test method" to solve the assessment problem of GB4334.3 84 "Stainless steel 65 percent nitric acid corrosion test". 提出利用 GB1 2 2 3- 75《不锈钢耐酸钢晶间腐蚀倾向试验方法》中 X法评定的分级 ;解决 GB4334.;3- 84《不锈钢 65%25硝酸腐蚀试验方法》的评定工作。
- Consequently , concrete easily degrades by free-thawing impact , acid corrosion , alkali-aggregate reaction and so on , and carbonation and chloride corrosion in concrete surely cause the rust of rebar , which certainly destroyed the concrete structures . 因此,混凝土会因氯化物侵蚀和碳化引起钢筋锈蚀、冻融侵蚀、硫酸盐侵蚀、碱集料反应等而导致性能劣化。
- According to experiment results, measures to prevent such corrosion failure have been suggested. The main measure to control the naphthenic acid corrosion at high temperature spots is the selection of appropriate corrosion resistant materials. 并结合分析结果 ,提出了控制环烷酸腐蚀主要应选择耐环烷酸腐蚀的材料等措施。
- The development of acidization corrosion inhibitor for oil wells in the last several years is presented and development trend is studied. 介绍了国内近年来油井酸化缓蚀剂的研究现状,探讨了油井酸化缓蚀剂的发展趋势,并对国内目前的研究工作提出了看法和建议。