naphthenic是什么意思   naphthenic怎么读

naphthenic单词基本解析：

naphthenic变化用词：

naphthenic英英释义：

naphthenic中文词源：

naphthenic用法和例句：

naphthenic

SHI Shun-cun,YI Ping-gui,Zhou Xiu-lin.Study on Naphthenic Imidazoline Derivative as Multifunction Water Treatment Agent[J].Industrial Water Treatment,2005,25(1):29-32.

[5]石顺存,易平贵,周秀林.环烷基咪唑啉衍生物多功能水处理剂的研究[J].工业水处理,2005,25(1):29-32.

In the oil and gas wells in Sichuan Basin,the percentage of naphthenic hydrocarbon gradually decreased while the normal alkane and isoalkane increased from deep to surface.

中国石化石油勘探开发研究院无锡石油地质研究所成都610059中国石化石油勘探开发研究院无锡石油地质研究所;

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 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。

Refinery waste water treating was tested with an annular centrifugal extractor for naphthenic acid recovery in Shengli Refinery of Qilu Petrochemical Company.

介绍用三辛胺萃取剂回收石油酸废水中环烷酸的工艺流程、萃取设备和工业试验结果。

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。

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。

The performance of naphthenic oil in the most common industrial rubber types is compared with that of aromatic and paraffinic oil.

在最常用的工业用橡胶中,对比了环烷油与芳烃油和石蜡油的性能。

Shell Clavus Oils are highly refined high quality naphthenic minaral oils with excellent low temperature properties, especially selected for use in refrigerator compressors.

壳牌奇伟士系列润滑油采用高度精炼的优质环烷基矿物基础油调制而成，具有良好的低温性能，特别适用于制冷压缩机的润滑。

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；

Whitmore's Ammonia Compressor Oil is a premium quality circulating oil made from highly refined, straight mineral naphthenic oil and the finest additives available.

威特魔力氨压缩机是用高精炼纯正的矿物环烷基油和精细的添加剂配制的优质循环油。

Rare earth elements in the aqueous leaching liquor of chlorinated mine mud from Sichuan West is of lower content, they can be separated by naphthenic acid extraction.

川西稀土矿泥氯化后水浸液中，稀土含量较低，可借助环烷酸萃取法分离出稀土元素。

The latter included neutralization of naphthenic acid with alkali solution, amine or quaternary ammonium solution , calcareous water and alkyloxyl amine, and it also i...

并对两种脱酸路线作简要比较,认为脱除石油酸分子的羧基路线中非临氢热解法较简单,投资少,除酸效果较好。

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。

Effective measures are recommended to control the naphthenic acid corrosion of the pipe,including selection of corrosion-resistant 316 or 316L steels and modification of tee construction.

并提出了减缓阻垢剂进料管环烷酸腐蚀的措施,主要包括选用更耐蚀的316或316L材质以及改进三通结构等。

It was found that the inappropriate selection of materials as well as the inadvisable structure design and the inapposite welding caused the naphthenic acid corrosion at high temperat...

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。

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 naphthenic acid corrosion resistance of the major alloy element is studied. It is pointed out that the content of the molybdenum in the material has an impact on the corrosion resistance performance of the material.

探讨了主要合金元素对材料耐环烷酸腐蚀的影响 ,指出钼含量对材料的耐蚀性能具有重要作用。

Abstract： Separation of Y3+ from mixed rare earth chloride by solvent extraction with Naphthenic acid-petroleum sulphoxide has been studied.

摘 要： 进行了用环烷酸石油亚砜从混合氯化稀土溶液中萃取分离钇的研究。

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。

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 this paper,some advances in study on rare earth extraction chemistry are reviewed since the naphthenic acid has been used in extracting rare earth to 1990s.

本文主要综述环烷酸用作稀土元素萃取剂的萃取化学研究进展。

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.

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。

Aluminized mild steel has a strongly corrosion resistance to naphthenic acid, which is far better than that of 1Cr18Ni9Ti stainless steel and is as same as that of 316L stainless steel.

渗铝钢耐环烷酸腐蚀性能远远超过了1Cr18Ni9Ti不锈钢,与316L不锈钢耐蚀性能相当。

Naphthenic oils,then show their advantages as environmental friendly plasticizer.

环烷基油的技术和环保优势从而得以体现。

Naphthenic having the characteristics of naphthense，which are saturated hydrocarbons containing molecules with at least one closed ring of carbon atoms.

环烷烃具有环烷特性的、至少包含一个碳原子团链的饱和烃。

Naphthenic having the characteristics of naphthense,which are saturated hy_drocarbons containing molecules with at least one closed ring of carbon atoms.

环烷烃具有环烷特性的、至少包含一个碳原子闭链的饱和烃。

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。

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 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。

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。

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。

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。

A diesel fuel cetane number improver, which constituent is a naphthenic nitrate, is developed, and physico-chemical properties of this im-prover is determined.

研制了一种成分为脂环族硝酸酯的柴油十六烷值改进剂，并测定出这种改进剂的一系列理化性质。

The influence of the filled Aromatic oil and Naphthenic oil on the properties of the oil extended polybutadiene rubber was studied .

研究了填充高芳烃油和环烷油对充油顺丁橡胶性能的影响。

The test shows that this process is rather efficient with more than 97 % of naphthenic acid removed.The quality of the treated diesel fuel is high enough to meet specification of GB252-77 .

研究表明，该工艺的环烷酸脱除率达97%以上，精制后柴油质量满足GB252-77质量标准；

KG series environment-friendly naphthenic base softening oil special for adhesives Liu yajuan. Wang jing, Cai Liekui, Petrochemical Research Institute, Karamay Petrochemical Company, PetroChina Co.

系列环保型环烷基胶粘剂专用软化油刘亚娟,王菁,蔡烈奎,中国石油克拉玛依石化公司炼油化工研究院。

The results showed that there were the similarly elemental structures of petroleum acids which were divided into aliphatic acids,naphthenic acids and aromatic acids,but the differ...

结果表明,这两种原油中的石油酸结构基本一致,分别为脂肪酸、环烷酸和芳香酸,不同的是对于同一种类的石油酸,碳数范围不同,所占的质量百分数不同。

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 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。

It is reused to purify oil products, quality of purified products reached standard, and quality of naphthenic acid from following naphthenic acid plant for treating the alkali waste was not affected.

脱臭后碱渣回用于精制油品 ,油品质量合格 ,对下游环烷酸装置的环烷酸质量亦无影响

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。

With the increase of petroleum importation, the corrosion protection emphases of petroleum chemistry facilities turned from naphthenic acid corrosion to sulfide corrosion in decade.

近10年来,随着进口原油的增多,石油化工设备的腐蚀重点逐步由环烷酸腐蚀转向硫化物腐蚀。

Separation of Y3+ from mixed rare earth chloride by solventextraction with Naphthenic acid-petroleum sulphoxide has been studied.

进行了用环烷酸石油亚砜从混合氯化稀土溶液中萃取分离钇的研究。

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。

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.