您要查找的是不是：
- 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。
- The analysis results of naphthenic acids were obtained by the use of MS and EI techniques. 通过电子轰击(EI)质谱(MS)分析得到的环烷酸。
- The methods of separation and analysis of naphthenic acids in crude oil were reviewed. 综述原油中环烷酸的分离与分析方法。
- In this paper, we have introduced briefly the source molecular structure purification of naphthenic acids. 本文简要介绍了环烷酸的来源、分子结构和提纯方法。
- 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。
- Methods of the removal of naphthenic acid are chemical extraction, solvent extraction absorption, and so on. 脱除环烷酸的方法一般可有化学萃取、溶剂萃取、吸收等。
- The existing of naphthenic acid not only corrode equipment, but also seriously influenced the quality of diesel. 环烷酸的存在不仅会腐蚀生产装置，而且对柴油产品质量的影响也较大。
- In addition, as an important kind of fine chemicals material, naphthenic acid has obvious recycling value. 另外，环烷酸作为一种重要的精细化工原料，具有可观的回收利用价值。
- 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
- A new process of extracting high purity naphthenic acid directly from alkaline mud with solvent was introduced. 介绍了一种利用溶剂萃取法直接从碱渣中提取高纯度环烷酸新工艺。
- The acidity of straight-run diesel mainly caused by naphthenic acid. 直馏柴油的酸度主要是由环烷酸引起。
- Corrosion from naphthenic acid has been one of the knotty problems in petroleum processing industry. 环烷酸腐蚀是石油炼制工业中的一个重要问题。
- 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。
- Progress of the removal of naphthenic acid from heavy sour crude and its fraction is reviewed. 综述了从重质高酸值原油及其油品脱环烷酸的工艺研究。
- The solubilization effect of naphthenic acid on the component of long chain hydrocarbon gases is observed. 环烷酸类有机物对长链烃气组分有明显的增溶作用。
- The methods of purification for naphthenic acid consist of physical method and chemical method. 环烷酸的提纯方法主要有物理方法和化学方法。
- The naphthenic acids in straight-run diesel fuel are removed by extraction with a composite extractant consisting of a solvent and a cosolvent. 去除直馏柴油中的环烷酸，采用加氢精制法成本高，且氢源不足；采用碱洗法则损失大，污染严重。
- 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。
- It was pointed out that the development of naphthenic acid products in China should be toward highgrade purification and fine chemicals. 指出了我国在研究开发环烷酸系列产品时，应朝着高纯化、精细化方向发展。
- The composite solvent can be used repeatedly after it is recovered by distillation, and in the meanwhile the by-products of naphthenic acid is obt... 复合溶剂经蒸馏回收可循环使用，同时得到了环烷酸副产品；
