naphtha

The phenomena that the contents of S and N in naphtha hydrogenation treatment ( NHT) products exceed the standard are studied, and the influence of raw materials on the activity of catalyst is discussed.

对石脑油加氢处理产品硫、氮含量严重超标现象进行了研究，重点探讨了原料性质对催化剂活性的影响。

Production of D40 solvent naphtha and 3~# white oil

分子筛预加氢及后加氢生产D40溶剂油和3~白油

Methods: To apply microwave extraction to determinating content of naphtha in fruit of Cuminum cyminum.

方法：运用微波技术对孜然果实中挥发油的含量进行测定。

1,4-Naphthoquinone is synthesized by oxidation using naphthalene as raw material, cerous sulfate as oxidant in presence of sulfuric acid, and with 140# solvent naphtha as solvent. Reduced cerous sulfate can be regenerated by electrolysis and reused in reaction repeatedly.

用萘为原料，硫酸铈为氧化剂，140溶剂油为溶剂，在硫酸存在下氧化合成1,4萘醌，氧化剂硫酸铈被还原后，通过电解再生，循环使用。

In contact with a hot surface, naphtha petroleum fractions crack to produce ethylene and propylene.

石脑油馏份与一个热表面接角,就裂解而得到乙烯和丙烯.

Finally, the solubility of methyl chloride in solvent naphtha was mensurated to accord to industrial application.

最后, 为了更接近工业应用的要求,对一氯甲烷在两种不同组成的溶剂油中的溶解度进行了测定.

Meanwhile, the lack of naphtha raw materials and the obsoleteness of production facilities and equipment will also affect China's aromatics production capacity.

同时，石脑油原料不足以及装置工艺设备老化等因素也将影响国内芳烃产能的正常发挥。

Methods: Apply microwave extraction in determining content of naphtha in Eupatorium Fortune.

方法: 运用微波技术对佩兰中挥发油的含量进行测定.

The bases of this substance is naphtha, which has a very strong effect for health care.

此物质的主要成分是挥发油, 具有很强的保健功效.

Objective : To extract and determine naphtha in Eupatorium fortune.

目的: 从佩兰中提取挥发油,并测定其含量.

The treating process included naphtha absorption, light gas oil absorption and once through hydrogenation, etc.

该工艺采用焦化气汽油、柴油吸收一加氢一次通过式流程。

Solvent naphtha is one of the five broad areas of petroleum products.

溶剂油是五大类石油产品之一.

The aromatic hydrocarbons content in naphtha was analyzed by a chemical reaction method.

用化学分析方法测定了工业用石脑油中芳香烃的含量.

Light petroleum distillate , generally known as naphtha, was the logical choice.

轻石油馏分, 如石脑油是合乎逻辑的选择.

The coking and deactivation of virgin naphtha aromatization catalyst are studied on isothermal reactor.

利用等温固定床反应器研究了直馏汽油芳构化改质催化剂的结焦失活规律.

The article introduces development status of solvent naphtha productive technology both home and abroad.

介绍了国内外溶剂油生产技术的发展现状.

A nickel based naphtha steam pre reforming catalyst for methane enriched gas production was laboratory prepared.

在实验室研制了镍系轻油蒸汽预转化制取富甲烷气催化剂。

Clean crankshaft flange carefully using acetone or solvent naphtha.

使用丙酮或溶剂石脑油仔细清洁曲轴法兰。

The copper belt corrosion was caused by H 2 S and active sulfur in naphtha.

证明了铜丝带腐蚀是由石脑油中的H2S和活性硫引起的.

Various solvent naphtha fraction generally have to go through refining.

各种溶剂油馏分一般都需要经过精制加工.

The Naphtha Stipper Reboiler duty is not decreased proportionally to the laden methanol to be stripped.

石脑油汽提塔再沸器的负荷不是与被汽提的富甲醇按比例减少.

Mix pure alcohol and naphtha in a ratio of 3:7.

可以把纯酒精和挥发油以三比七的比例混合.

One byproduct he worked with was coal tar , which , when distilled, produced naphtha.

他试验用的一个副产品是煤焦油, 煤焦油经过蒸馏生成石脑油.

The experimental results showed that bimolecular reaction pattern was dominant over catalyst A, which resulted in lower dry gas yield and lower olefin content in cracked naphtha.

试验结果表明，双分子裂化反应历程在催化剂A上发生机率较大，表现为较低的干气产率，较低的汽油烯烃含量；

Expand Catalytic Reformer Feedstock Sources by Blending Hydrotreated Coker Naphtha

掺炼加氢焦化汽油扩大重整原料来源

The technical features, process design and commercial application of FDFCC cracked naphtha olefin reduction were described.

FDFCC工艺是降低催化汽油烯烃含量的有效技术.论述了该工艺的技术特点 、 流程设计和工业应用情况.

The Experimental Study of Anti-acne Pathogeny and Defervescence of Artemisia Naphtha

青蒿挥发油抗痤疮病原体及解热作用的实验研究

Blending coker naphtha by major factor analysis for 90 Ron unleaded gasoline

用主因素法调合焦化汽油生产90号无铅汽油

The Cleaning Lady Simulation for Naphtha Pyrolysis in Clear Radiation Tube of SRT-IV Cracking Furnace

石脑油在SRT-IV型工业炉清洁辐射管中裂解的数学模拟

Other are less common, can include ethane, propane, butane and light and heavy naphtha.

其它不常用的原材料包括乙烷 、 丙烷 、 丁烷以及轻、重石脑油.