芳烃馏份含有脱羟基维生素E ;
There exists dehydroxylation vitamin E in aromatic fraction.
在该体系中石油重馏份对钢有缓蚀作用。
In this system, the heavy fraction of petroleum has corrosion resistance for steel.
将蒸发的乙烯馏份再循环至原料气体压缩机。
The vaporized ethylene fraction is recirculated to the raw gas compressor.
在任何一个馏份中还有没有其它(较少)组分呢?
Are there any other (minor) components in any of the fractions?
这些方法可使C_9馏份的总利用率达到90%以上。
The utilization rate of C_9-fraction may reach greater than 90%.
石脑油馏份与一个热表面接角,就裂解而得到乙烯和丙烯。
In contact with a hot surface, naphtha petroleum fractions crack to produce ethylene and propylene.
你将得到香芹酮和柠檬烯馏份的红外光谱图。并且要解析其结果。
You will obtain infrared spectra of the carvone and limonene fractions and interpret the results.
洛斯斯霸e23是经由溶剂精炼的碳氢馏份,特别适合作火花电蚀液使用。
Locks SPAR E23 is a solvent refined hydrocarbon distillate, which is specially designed for erosion dielectric fluid.
芴是重要的有机化工原料,多从煤焦油的洗油馏份中提出,也可从蒽油中提出。
Fluorene is an important material in organic chemical industry. It is usually extracted from the washing oil or anthracene oil distillate of coal tar.
含催化馏份的车用汽油,烯烃含量大,用荧光指示剂吸附法不易测准汽油的族组成。
As the alkene content of motor vehicle petrol containing catalytic fraction is large, it is difficult to measure accurately by the fluorescent indicator adsorption method.
介绍了全球C5馏份综合利用的现状、市场和需求,以及C5馏份综合利用的新动向。
This article introduces the current status and the new trends of global C5 fraction in utilization, market and demand.
研究了碳三馏份液相选择加氢催化剂的高温再生方法和过程以及再生后的加氢反应结果。
The regeneration performance of the catalyst for liquid phase selective hydrogenation of C 3 fraction, and hydrogenation of the regenerated catalyst were studied.
本文回顾了近三十年来华东石油学院炼制系所做的有关石油馏份催化裂化的基础研究工作。
The basic studies on catalytic cracking of petroleum fractions made at the Department of Chemical Engineering of East China Petroleum Institute during the last thirty years are reviewed in this paper.
分别提出了对轻油、中油、洗油馏份进行再加工以制取各种化工原料,燃料和溶剂油等产品。
It presents the reprocessing of light oil, middle oil, flushing oil to produce chemical raw material, fuel and solvent oil.
作者初步研究了将样条函数引用于逼近石油馏份,即所谓由“连续”组份构成的“复杂”物系。
The author introduced the spline approximation techniques to the numerical simulation of petroleum fractions, which are known as the so called "continua" mixtures of "infinite" number of components.
然后采用GC/MS对各个馏份进行定性、定量分析,考察了主要物质在不同温度区间的分布情况。
Then adopt GC/MS to analysis each fraction qualitatively and quantitatively , investigate the distribution situation that the main material in different temperature range.
利用折光率的数据确定你的油中,你的香芹酮馏份和与柠檬烯和香芹酮有关的柠檬烯组份的大概成份。
Using the refractive index data determine the approximate composition of your oil, your carvone fraction and your limonene fraction with respect to limonene and carvone.
本文的研究展现了开发一套新的处理石油馏份的计算方法的可能性,它们将特别有利于现代计算机的应用。
The investigation undertaken in this paper disclosed the perspective of developing a spectrum of new computing methods which will…
提出了基于样条函数技术对石油馏份所作的若干种典型汽液平衡计算步骤,并给出了令人满意的数值计算结果。
The procedures of some typical vapor-liquid equilibrium calculations of petroleum fractions based upon spline techniques are given in the paper with good agreement with laboratory data.
通过两次吸附分离,然后采用低压电离,高分辨质谱直接进样技术对重馏份油中的含氮多环芳烃进行定性测定。
The qualitative analysis of N polyaromatics in heavy oil was made by a double adsorption separation followed by the application of low voltage ionization and high resolution MS direct sampling.
羰化反应条件下考察了异戊二烯、1-辛烯、环戊二烯、混合碳五馏份及脱去环戊二烯的碳五馏份的羰基合成反应。
The hydroformylation of isoprene, 1 octene, cyclopentadiene, and C 5 distillate where cyclopentadiene has been removed is studied under the hydroformylation conditions(6.
芴的提取精制过程是先间歇蒸馏洗油馏份或蒽油馏份切取芴主馏份,再采用冷却结晶法或溶剂结晶法精制芴主馏份得到芴。
The extraction and refining process includes distillating washing oil or anthracene oil to get fluorene distillate, then crystallizing the fluorene distillate to get fluorene using cooling or solvent.
芴的提取精制过程是先间歇蒸馏洗油馏份或蒽油馏份切取芴主馏份,再采用冷却结晶法或溶剂结晶法精制芴主馏份得到芴。
The extraction and refining process includes distillating washing oil or anthracene oil to get fluorene distillate, then crystallizing the fluorene distillate to get fluorene using cooling or solvent.
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