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任选地，所述烯烃石脑油含低含量的酸。Optionally the olefinic naphtha has a low content of acids.

石脑油原料的烃类分子得到重新排列。The hydrocarbon molecules in naphtha feedstock are rearranged.

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石脑油是乙烯裂解装置的主要原料之一。Naphtha is one of the chief raw materials for ethylene cracker.

石脑油由5到9个碳组成。Naphtha is a mixture of molecules in the range of 5 to 9 carbons.

而五种柴油低温流动性能改进剂的溶剂为石脑油或芳香烃馏分。The solvents of these five DFI are naphtha or aromatic hydrocarbon.

溶剂油是五大类石油产品之一。Solvent naphtha is one of the five broad areas of petroleum products.

之后，对热解油按不同馏分进行了更细入的分析。The naphtha fraction of the pyrolytic oil was objected to GC analysis.

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它叫做A-21，它是由水和一种叫挥发油的化学物质组成。It's called A-21. It's composed of water and chemical known as naphtha.

考察了催化剂对石脑油催化裂解的影响。The impact of catalysts on naphtha catalytic cracking was investigated.

各种溶剂油馏分一般都需要经过精制加工。Various solvent naphtha fraction generally have to go through refining.

证明了铜丝带腐蚀是由石脑油中的H2S和活性硫引起的。The copper belt corrosion was caused by H2S and active sulfur in naphtha.

极大增加使用石脑油裂解的乙烯厂的竞争力。All of those significantly increase competition of naphtha cracking plant.

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二氧化碳是甲烷、丙烷或石脑油的蒸气重整的一个副产品。Carbon dioxide is a by-product of steam reforming of methane, propane or naphtha.

其中一种废料是煤焦油，经过蒸馏后可以得到轻油。One byproduct he worked with was coal tar, which, when distilled, produced naphtha.

用化学分析方法测定了工业用石脑油中芳香烃的含量。The aromatic hydrocarbons content in naphtha was analyzed by a chemical reaction method.

采用共沉淀方法合成了石脑油型加氢裂化催化剂。By means of coprecipitation, a hydrocracking catalyst for naphtha production was prepared.

拿法是化学混合物，它是一种易燃且不容易熄灭的液体。Naphtha is a mixture of chemicals that become a fiery liquid that is difficult to put out.

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煤气公司位于大埔和马头角的两间厂房，负责生产煤气。Towngas is manufactured in plants at Tai Po and Ma Tau Kok, both using naphtha as a feedstock.

使用固定流化床，考察了氧化物催化剂催化裂解石脑油制乙烯的反应。The performance of oxide catalyst for naphtha cracking was studied in a fixed-fluidized bed reactor.

采用分子模拟方法对石脑油催化重整过程进行研究。Molecular modeling and optimization for naphtha catalytic reforming process is studied in this paper.