The octane number of gasoline and cetane number of diesel was slightly affected.
汽油辛烷值和柴油十六烷值变化不大，柴油实际胶质降低。
Ethyl tert butyl ether (ETBE) is a good additive for gasoline with high octane number.
乙基叔丁基醚(etbe)是一种性能优良的高辛烷值汽油调和组分。
The percentage of iso-octane in blend is considered the octane number of the test sample.
混合物中异辛烷的百分比就认为是实验样本的辛烷值。
The tendency of a hydrocarbon fuel, such as gasoline, to knock is measured by its octane number.
一个碳氢燃料的趋势，如汽油，敲是衡量其辛烷值。
The state of art and existing problems of fuel qualities including gasoline octane number were discussed.
分述汽油辛烷值的现状和存在问题；汽车排气控制标准对节能及油品规格的影响；
It has been used as an alternative of gasoline, improvers for octane number and oxygen content in gasoline.
在国外曾以汽油替代物、辛烷值改进剂和增加汽油氧含量三大作用添加到汽油中。
The new methods for producing the components which will enhance the octane number of gasoline are introduced.
介绍了生产高辛烷值汽油调合组分的两种新方法的工艺和特点。
The system consisted of on-line detection, data pre-processing, and calculate model of gasoline octane number.
系统由拉曼光谱检测、汽油拉曼光谱数据的预处理、汽油辛烷值预测模型组成。
The HCCI engine emissions characteristic is studied by different temperature and different fuel octane number.
对不同的进气温度、燃料辛烷值和燃空当量比对均质压燃(HCCI)发动机的排放特性进行了研究。
Hydrodesulphurization technology could effectively decrease sulfur content in gasoline and octane number loss.
脱硫技术能够有效降低汽油硫含量，减少辛烷值损失。
The said process has effectively raised octane number of the coker gasoline and prolonged service life of the reforming catalyst.
该法可有效提高焦化汽油的辛烷值，延长重整催化剂的使用寿命。
The catalyst can reduce the content of sulfur in gasoline fraction without obvious decrease in its octane number and liquid yield.
该催化剂可以在脱除汽油馏分中硫的同时，不显著降低汽油的辛烷值和液收。
Meanwhile, coke yield increase and octane number loss should be considered when reducing olefins through hydrogen transfer reactions.
同时，在加强氢转移反应减少烯烃时，还需考虑焦炭选择性变差和汽油辛烷值下降的问题。
Octane number is one of the most important properties of gasoline, and gasoline is divided into different brands based on octane number.
作为成品汽油的关键质量指标之一，汽油辛烷值直接表征汽油的抗爆性能，根据辛烷值大小划分成不同的汽油牌号。
The results showed that the system detected the octane number of gasoline accurately, and displayed the Raman spectra obtained by the detector.
实践证明，该辛烷值测定系统能够准确检测调和过程中汽油辛烷值，并实时显示调和过程中汽油拉曼谱图。
It was shown not only the octane number and oxygen content of gasoline could be increased, but also the olefin content of gasoline could be...
TAME生产技术可有效降低汽油烯烃含量，并提高汽油的辛烷值和含氧量。
In the reforming operation a light hydrocarbon feed isomerizes on contact with a suitable catalyst to produce gasoline with a higher octane number.
在重整操作中，一个轻质烃类进料与一个合适的催化剂接触而异构化得到具有高辛烷值的汽油。
The octane number may be improved about 1.8-31 units by above mentioned processing, the stability is also improved, and the vapour pressure is decreased.
上述工艺可使研究法辛烷值提高1．8～31单位，并使其安定性得到改善，蒸汽压有所降低。
In fact the discretion of the gasoline label just that gasoline octane number, can never put the label and dramatically and quality confuse STH with STH else.
其实汽油标号的高低只是表示汽油辛烷值的大小，绝不能把标号与纯净度和质量混为一谈。
The major influencing factors of blending coker naphtha for 90 RON unleaded gasoline are its distillation range, octane number, existent gum and mercaptan content.
影响焦化汽油调合生产90 号无铅汽油质量的主要因素是焦化汽油的馏程、辛烷值、实际胶质和硫醇硫的含量。
The test results show that, with the increase of the octane number, the ignition timing delayed, the combustion rate decreased, and the cylinder pressure decreased.
研究结果表明，燃料辛烷值增加，着火始点推迟，燃烧反应速率降低，缸内爆发压力降低。
It causes a knocking or pinging sound, robs the engine of power and, left unchecked, causes serious engine damage. Knock may be eliminated with the appropriate octane number.
这导致侦测敲击或声音，剥夺了权力的发动机，同时，不加制止，造成严重的发动机损坏。爆震可能与相应的辛烷值淘汰。
Thus, if the matching reference blend is made up of 15% nheptane and 85% isooctane, the test sample is rated 85 motor or research octane number, according to the test method used.
这样，依照实验方法，如果匹配的参考混合物由15%的正庚烷和85%异辛烷组成，那么按照所用的实验方法，对比实验样本的辛烷值就是85 。
Upgrading FCC gasoline through etherification process is a efficient method to upgrade the octane number of gasoline so as to meet the demands of domestic and over - seas markets.
催化裂化汽油醚化改质工艺是提高汽油辛烷值以适应国内外市场需要的有效方法。
The hydroetherification process of catalytic cracking light gasoline is investigated for increasing octane number and decreasing the content of olefins of catalytic cracking gasoline.
研究了催化裂化轻汽油临氢醚化工艺，以降低催化裂化汽油的烯烃含量并提高辛烷值。
In this paper, improvement of technology and catalyst are reported in ARGG technology installation. The petroleum gas of rich propylene and gasoline of high octane number are obtained.
ARGG技术在普通催化、裂化工艺装置上的应用。通过对工艺、设备和催化剂的改进工作，可以多产富含丙烯的液化石油气和高辛烷值汽油。
Light paraffin isomerization is an important method for processing and utilizing of natural gas liquid, it plays an important role in improving the octane number of light gasoline fractions.
轻质正构烷烃异构化是油田液态烃加工利用的重要手段，也是炼厂提高汽油轻质馏分辛烷值的重要方法。
Well-tried function of DMC as an additive on gasoline, covering its octane number, oxygen content, calorific value, vapor pressure, distillation range, freezing point, solubility in water etc.
就碳酸二甲酯对汽油的调合辛烷值、氧含量、热值、蒸汽压、馏程、凝固点、溶水性等性质的影响进行了研究。实验表明，DMC作为汽油添加剂具有良好的前景。
The etherification process for FCC gasoline is to react methanol with the isoolefines in FCC gasoline to form methyl tert-alkyl ethers on a resin type catalyst, so as to enhance the octane number.
催化裂化汽油醚化工艺是使汽油中异构烯烃与甲醇，在树脂型催化剂作用下醚化生成甲基叔烷基醚类，使汽油辛烷值提高。
In comparison with gasoline, light oil has more light fraction components and better evaporation property, but it has a lower octane number, higher evaporation pressure, and lower calorific value.
与车用汽油相比，轻油中轻质馏分较多，蒸发性好，但辛烷值低，蒸气压高、热值较低。
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