naphtha
英['næfθə]
美['næfθə]
- n. 石脑油；挥发油；粗汽油
实用场景例句
- 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.
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- 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.
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- 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.
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- 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.
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- 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.
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- 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.
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- 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.
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- 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.
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- 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.
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- 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.
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- 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.
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- 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.
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- 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.
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- 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.
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- 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.
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- 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.
辞典例句
- 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.
辞典例句
- 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.
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