轻石油馏分，如石脑油是合乎逻辑的选择。
Light petroleum distillate, generally known AS naphtha, wAS the logical choice.
石油产品。中间馏分产品中芳香烃类的测定。用折射指数检测的高性能液相色谱法。
Petroleum products - Determination of aromatic hydrocarbon types in middle distillates - High performance liquid chromatography method with refractive index detection.
最广泛使用的介质可能一般采用瓦斯油沸程内的高沸点石油馏分。
Probably the most widely used medium is a high-boiling petroleum fraction, usually in the gas-oil range.
主要由戊烷和己烷组成的一种挥发性石油馏分。
A volatile fraction of petroleum consisting chiefly of pentanes and hexanes.
该催化剂可以广泛的用于石油馏分的加氢处理过程，特别适合于中间馏分油的加氢脱硫、加氢脱氮和加氢脱芳过程。
The said catalyst can be used for hydrotreating process of fraction of petroleum, especially for hydrodesulphurization and hydrodenitrification process of middle distillate oil .
研究了利用大庆乙烯生产装置副产的c_9馏分合成油溶性石油树脂。
This paper states that petroleum resin is synthesised by using fractions of C_9, which are the by-product of Daqing ethene unit.
这可能是从新疆石油重质馏分中提取环烷酸的一种经济、有效方法。
It can be an economical and effective method for extracting naphthenic acids from the heavy oil fractions of Xinjiang crude oil.
馏分油中的石油酸是造成馏分油加工设备腐蚀，馏分油产品使用性能不合格的主要原因。
Petroleum acid in the fraction oil is the main reason that the fraction oil processing equipment to corrode, fraction oil product operational perform(?) nce unqualified.
C_5馏分的分离与综合利用是合理利用石油资源的一个重要方面。
C5 fraction separation and comprehensive utilization is an important aspect of reasonable utilization of petroleum resource.
用美国石油学会比重度和中沸点估算馏分燃料十六烷值公式计算得到的数值结果。
The numerical result calculated by the formula for estimating the cetane number of distillate fuels from American Petroleum Institute (API) gravity and midboiling point.
石油及其馏分的物性数据是石油炼制工艺设计的基础数据，以往常常采用手工计算或查阅有关图表获得。
The property data of crude oil and its fraction is the basic data in design of petroleum refining technology. In the past these data were obtained by hand calculation or consulting tables and charts.
将低辛烷值直馏馏分、热裂化或催化裂化重石脑油改质为高辛烷值组分用于车用或航空燃料调合或石油化工的连续过程。
A continuous process to upgrade low-octane virgin, thermal, or heavy catalytically cracked naphthas into high-octane components for motor or aviation fuel blending or petrochemical usage.
本文提出了一种从镏分恩氏蒸馏数据和总体密度对石油馏分进行假组分切割和物性估算的方法。
A characterization approach for petroleum fractions based on the ASTM distillation data and the overall density has been proposed.
指出以生产石油沥青和工业萘为主，副产混合甲基萘等馏分，是综合利用裂解焦油的重要途径之一。
It is pointed out that to produce petro - asphalt and industrial naphthalene as main products and mixed methyl naphthalene fractions as by -product is one of important ways to utilize pyrolysis tar.
以煤油馏分为原料，采用洛阳石油化工工程公司工程研究院开发的LK 1型加氢催化剂及单段加氢工艺可生产出优质环保型特种溶剂油。
Premium special solvent oil has been produced from kerosene fraction with LK-1 hydrogenation catalyst and single-stage hydrogenation process developed by LPECRI.
在石油烃类裂解制取乙烯的过程中，有大量的C5馏分产生。
A large amount of C5 fraction is generated in the ethylene production process with petroleum hydrocarbon cracking.
产品概述：橡胶软化油是由石油馏分经加氢等精加工而成橡胶处理油。是橡胶加工行业必不可少的壹种助剂。
Product description: rubber process oil is from processed petroleum fractions, such as hydrogenation. It is a kind of absolutely necessary auxiliary for rubber machining industry.
指出从重油接触裂解柴油馏分中制备2 ，6 -二甲基萘是石油萘生产的最理想的技术方向。
The paper also points out, the ideal technology of petroleum naphthalene production is preparing 2,6 DMN from diesel fraction, a product of heavy oil contact cracking.
水相中石油酸钠浓度越大，对馏分油的增溶能力越强；
The solubilization capacity increases with the increase of relative molecular mass of sodium naphthenate or its concentration.
水相中无机电解质浓度越大，石油酸钠对馏分油的增溶能力越强。
The increase of concentration of inorganic electrolyte in aqueous phase can also markedly raise the solubilization capacity of sodium naphthenates for oil.
作者继开发石油馏分导热系数关联式后，利用国内外中平均沸点和相对密度分布范围很宽的各种石油馏分的大量实验数据，对关联式进行了考察。
A correlation equation developed by the author for calculating the thermal conductivity of petroleum fractions was investigated using the measured data of various petroleum fractions.
双环戊二烯主要来自石油裂解制乙烯副产物的C5馏分和煤炭焦化副产物。
Dicyclopentadiene (DCPD) mostly comes from the C5 fraction of by-product which is produced in the process of preparation of ethylene by petroleum cracking and by-product of the coal-coking process.
C9馏分由于成分组成相当复杂，其各成分对合成石油树脂影响的了解还十分有限。
Because of complex components, the effects of C9 cuts to petroleum resin are unclear.
指出从重油接触裂解柴油馏分中制备2,6 -二甲基萘是石油萘生产的最理想的技术方向。
The paper also points out, the ideal technology of petroleum naphthalene production is preparing 2, 6 DMN from diesel fra...
采用醇碱水溶液萃取方法分离出辽河油直馏柴油馏分中的石油羧酸（主要为环烷酸），采用重量法测出的分离效率不低于90％；
The petroleum carboxylic acids(mainly naphthene acids)in the diesel oil of Liaohe oil isolated by the extraction with solution of a1coholic sodium hydroxide, and the efficiency is not lower than 90%;
以抚顺石油二厂减二线馏分油为原料进行了加入脱蜡复合助滤剂的实验室试验研究。
Investigation of dewaxing multiplex AIDS was finished using the fraction of the second vacuum side-streams of Fushun Refinery No. 2 as feedstocks in this experiment.
以抚顺石油二厂减二线馏分油为原料进行了加入脱蜡复合助滤剂的实验室试验研究。
Investigation of dewaxing multiplex AIDS was finished using the fraction of the second vacuum side-streams of Fushun Refinery No. 2 as feedstocks in this experiment.
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