1) Petroleum Carboxylic Esters
石油羧酸酯
2) petroleum carboxylic acids
石油羧酸
1.
Results indicated that the petroleum carboxylic acids in this fraction were aliphatic acids,naphthenic acids (including 1～3-ring naphthenic acids) and aromatic acids (including alylbenzoic acids,naphthenebenzoic acids and di.
通过碱洗方法萃取蓬莱原油初馏点～ 35 0℃馏分中的酸性组分 ,甲酯化后经硅胶柱色谱分离得到石油羧酸酯 ,采用IR、GC/MS、FIMS和13 C NMR等方法对石油羧酸酯的结构组成进行了研究。
2.
The relative contents and structure of the petroleum carboxylic acids are given.
用碱抽提法从大庆原油中分离石油羧酸 ,通过硅胶柱层析法将石油酸分为 5个不同的馏分 ,分别对 3个极性馏分的甲酯化产物进行GC MS结构鉴定 。
3.
The petroleum carboxylic acids, mainly naphthenic acids, in the 200～450℃ distillates of Karamay District 9 crude oil were isolated by the extraction with equeous alcoholic sodium hydroxide.
采用醇碱水溶液萃取方法分离出克拉玛依九区原油200～450℃沸点范围内各馏分中的石油羧酸(主要为环烷酸);用红外、核磁共振、电子轰击质谱等仪器分析手段对石油羧酸的化学结构和各种不同羧酸组分在各馏分中的分布进行了详细的研究;发现了该原油中石油羧酸在组成和结构方面的一些特征。
3) petroleum carboxylates
石油羧酸盐
1.
The simultaneous adsorption of petroleum carboxylates (PCs, laboratory preparate O126 and commercial chemical ICO435) and heavy alkyl benzene sulfonates (HABSs, commercial chemicals WGN and ORS-41) from mixed surfactants solutions is studied experimentally.
在45℃下测定了石油羧酸盐(室内制品O126,工业品ICO435)和重烷基苯磺酸盐(工业品WGN和ORS 41)从混合溶液中的吸附量。
2.
The interfacial tension, IFT, at 45℃ between petroleum carboxylates (oxidized petroleum soaps), POS-2 or POS-4/heavy alkyl benzene sulfonates, ORS-41/alkaline NaOH aqueous solutions and a degased Daqing crude oil (with viscosity 18.
实验考察了石油羧酸盐(POS 2和POS 4)/重烷基苯磺酸盐(ORS 41)/碱(NaOH)复配体系与大庆脱气原油(45℃粘度18 7mPa·s)间的界面张力IFT(45℃)及2种表面活性剂在大庆去油油砂上的吸附特性。
4) petroleum carboxylate
石油羧酸盐
1.
Development of petroleum carboxylate and its application in tertiary recovery.;
石油羧酸盐的研制及其在三次采油中的应用
2.
In concerning with the probolem of easy coke deposit inside the reactor during the preparation of petroleum carboxylate for enhanced oil recovery (EOR) by oxidation of fraction of Daqing crude oil,10# white oil is taken as the feed for the feed for the oxidation,and no coke deposide insids the reactor with the feed.
针对用大庆原油馏分油制备驱油剂石油羧酸盐时，反应器易结焦的问题，采用了１０＃白油为原料制备驱油剂在氧化反应时不结焦，经汽相氧化皂化和盐度调节，可制备出和大庆原油产生超低界面张力的表面活性剂，其中最低值可达１０－３数量级。
5) petroleum acid ester
石油酸酯
1.
5, and the quantity of catalyst in acid is 1%～2%, as well as the reaction time is 3～4 h, the yield of petroleum acid ester can reach 99%.
用实验考察了氧化亚锡、钛酸四丁酯和六水合三氯化铁等 3种非质子酸催化剂在石油酸酯化反应中的催化性能。
2.
The basic properties of four domestic petroleum acid esters were determined.
对我国 4种典型石油酸酯基本性质的研究表明 ,石油酸二元醇二酯的倾点、密度和折射率比石油酸一元脂肪醇酯大。
3.
The Liaohe, Xinjiang and Shengli petroleum acid esters were prepared and their viscosity properties were determined.
针对我国高酸值原油的大量开采与加工，制备了四种典型石油酸酯并对其粘度性质进行了测定，结果表明，石油酸酯类油可达到多种粘度级别（１００℃下粘度为３～１７ｍｍ２／ｓ），并具有良好的粘温性能（粘度指数为９０～１１５）和低温性能。
6) Glycerin-ester of long-straight-chain saturated carboxylic acid
直链羧酸甘油酯
补充资料：3,5-二甲基-1氢-吡咯-2-羧酸叔丁酯-4-羧酸乙酯
分子式：C14H21NO4
分子量：267.32
CAS号：86770-31-2
性质：暂无
制备方法：暂无
用途：暂无
分子量：267.32
CAS号：86770-31-2
性质：暂无
制备方法：暂无
用途：暂无
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条