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单词 naphtha
释义

naphtha /'næfθə//ˈnæfθə/

英汉-汉英词典
n. 石脑油;挥发油;粗汽油
词组 | 习惯用语
solvent naphtha 溶剂油
英语例句库
  1. Conclusion: The resuscitative effect of naphtha is resulted from the comprehensive action of multiple components.
    结论石菖蒲挥发油开窍醒神的作用可能是多个成分综合作用的结果。
  2. Modern medicine research indicates that honeysuckle contain chlorogenic acid, flavonoid substance, lonicerin, cyclohexanehexol, minim naphtha and so on.
    现代医学研究表明:金银花含绿原酸、黄酮类物质、忍冬甙、肌醇及微量发油等。
  3. The dechlorination process for the naphtha feedstock to a hydrogen plant presented in this paper is a chemical adsorption process using a demestically-made dechlorinating catalyst.
    本文介绍的制氢厂石脑油原料脱氯是一种运用国产脱氯剂的轻油气相化学吸附法脱氯的工艺技术。

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原声例句
老托福听力93篇集锦

It's composed of water and a chemical known as naphtha.

它由水和一种称为石脑油的化学物质组成。

此间的地球

According to one report the carbon emissions from the cracking of ethane and an alternative ingredient called naphtha were equivalent to 52 coal-fired power plants in 2015.

根据一份报告,2015 年乙烷和一种称为石脑油的替代成分裂解产生的碳排放量相当于 52 座燃煤电厂的排放量。

大商业时代

They established chemical research laboratories which devised new and inexpensive methods for refining the product and developed invaluable byproducts, such as paraffin, naphtha, vaseline, and lubricating oils.

他们建立了化学研究实验室, 设计出新的廉价方法来提炼产品, 并开发了无价的副产品, 例如石蜡、石脑油、凡士林和润滑油。

芒果街上的小屋

She is the color of a bar of naphtha laundry soap, she is like the little brown piece left at the end of the wash, the hard little bone, my sister.

她的颜色就像一块轻油洗衣皂,她就像洗到最后剩下那棕色的一小块,坚硬的小皂骨,我的妹妹。

大商业时代

This report informed Bissell that the substance, could be refined cheaply and easily, and that, when refined, it made a splendid illuminant, besides yielding certain byproducts, such as paraffin and naphtha, which had a great commercial value.

这份报告告诉 Bissell,这种物质可以廉价且容易地提炼,而且提炼后,除了产生某些具有巨大商业价值的副产品(例如石蜡和石脑油)外,它还可以制成出色的发光体。

大地的成长(上)

" Ho, indeed" ! Isak was very far indeed from being dead; he took out a bottle of medicine from his pocket—naphtha it was—and gave it to Inger with orders to take it regularly and get well again.

“呵呵,确实”!白伊萨离死还很远。他从口袋里掏出一瓶药——那是石脑油——然后把它交给了英格,嘱咐他要定期服用,以便恢复健康。

中文百科

石脑油

无铅汽油是一种常用的石脑油燃料
宝洁公司生产的石脑油香皂,1919年

石脑油英语:Naphtha),俗称轻油白电油去渍油,是一种原油精炼的烃类液体的中间物。它由不同的碳氢化合物混合组成,它的主要成分是含5到11个碳原子的链烷、环烷或芳烃。通常都是脱硫然后催化重整,进而重新排列或重新结构石脑油中的烃分子以及断裂成较小的分子用来产生高辛烷值汽油组分(或汽油)。 全球有数百个不同的石油原油资源,每个原油都有其独特的成分或含量测定。也有数百个全球石油精炼厂的设计许多用来处理特定的原油或原油。这意味着,这几乎是不可能提供一个明确的石脑油,因为每个炼油厂生产自己的石脑油是独特的最初和最后的沸点和其他物理和成分特点。换句话说,石脑油是一个通用的术语,而不是一个特定的术语。

英语百科

Naphtha 石脑油

Naphtha (/ˈnæfθə/ or /ˈnæpθə/) is a general term that has been used for over two thousand years to refer to flammable liquid hydrocarbon mixtures. Mixtures labelled naphtha have been produced from natural gas condensates, petroleum distillates, and the distillation of coal tar and peat. It is used differently in different industries and regions to refer to gross products like crude oil or refined products such as kerosene.

近义、反义、联想词
近义词
n.
hydrocarbon, solvent, dissolvent, dissolver, dissolving agent, resolvent

联想词
kerosene煤油,火油;hydrocarbon碳氢化合物;petroleum石油;methanol甲醇;sulphur硫磺;ethylene乙烯;gasoline汽油;crude粗糙的;distillation蒸馏;sulfur用硫磺处理;benzene苯;
英英词典
naphtha n.
  1. any of various volatile flammable liquid hydrocarbon mixtures; used chiefly as solvents
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更新时间:2025/6/18 10:53:49