naphtha

美 [?næfθ?] 　英 ['næfθ?]

• n.【化】石腦油
• 網(wǎng)絡(luò)石油腦；輕油；粗汽油

英漢雙解

英漢解釋

n.	1. 【化】石腦油,粗揮發(fā)油,輕油

英英解釋

n.	1. [Chemistry]a clear colorless flammable mixture of light hydrocarbons

例句

The traditional isoprene generation method is usually the naphtha or C4 steam synthesis thermal decomposition.

傳統(tǒng)的異戊二烯生成方法通常是石腦油熱分解或者C4蒸汽合成。

A method for predicting product-yields of naphtha steam cracking was established by means of BP neural network model.

采用BP神經(jīng)網(wǎng)絡(luò)模型建立了石腦油裂解產(chǎn)物收率的預(yù)測方法。

Research of the sulfur transfer catalysts and materials which can be used in FCC unit to reduce sulfur in FCC naphtha is described.

總結(jié)了國內(nèi)外用于催化裂化裝置的具有降低催化裂化汽油硫含量作用的助劑及其材料的研究狀況。

It is therefore not particularly meaningful to do more than indicating typical throughputs used in naphtha reforming.

因此，除了說明石腦油轉(zhuǎn)化中的典型生產(chǎn)能力外，其他的沒有什么特殊意義。

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

溶劑油是五大類石油產(chǎn)品之一。

At current levels, naphtha, a by-product of crude oil, is trading well below the cost of crude, a highly unusual phenomenon.

按目前的水平，原油副產(chǎn)品——石腦油的交易價(jià)格遠(yuǎn)低于原油價(jià)格，這是非常不正常的現(xiàn)象。

A refined petroleum naphtha, by its composition suitable for use as a carburant in internal combustion engines.

精制過的石油石腦油，其組成適用于作內(nèi)燃機(jī)的汽化器燃料。

Analysis on benefit shows that coking top cycle oil as feed to manufacture lube oil is more economic and reasonable than to produce naphtha.

通過效益分析，表明以焦化頂循油做原料，生產(chǎn)潤滑油比生產(chǎn)石腦油更經(jīng)濟(jì)合理；

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

該工藝采用焦化氣汽油、柴油吸收一加氫一次通過式流程。

Still other protests centered mainly on opposition to the construction of nuclear power plants and naphtha crackers.

其他的抗?fàn)?/c>，則主要是反對(duì)核能發(fā)電廠與輕油裂解廠的興建。

Cracking performance varies greatly with the hydrocarbon composition in naphtha.

石腦油中不同烴類組成的裂解性能存在較大差異。

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

介紹了國內(nèi)外溶劑油生產(chǎn)技術(shù)的發(fā)展現(xiàn)狀。

A series of new de-arsenic agents suitable to propylene and naphtha have been developed respectively.

分別開發(fā)了適合于丙烯、石腦油等油品原料的系列脫砷劑。

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

方法：運(yùn)用微波技術(shù)對(duì)佩蘭中揮發(fā)油的含量進(jìn)行測定。

All of those significantly increase competition of naphtha cracking plant.

極大增加使用石腦油裂解的乙烯廠的競爭力。

Producers, however, complained that margins were getting squeezed as crude oil and naphtha prices soared.

然而生產(chǎn)者抱怨說利潤都被原油和石腦油價(jià)格上漲所擠壓掉。

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

FDFCC工藝是降低催化汽油烯烴含量的有效技術(shù)。論述了該工藝的技術(shù)特點(diǎn)、流程設(shè)計(jì)和工業(yè)應(yīng)用情況。

Towngas is manufactured in plants at Tai Po and Ma Tau Kok, both using naphtha as a feedstock.

煤氣公司位于大埔和馬頭角的兩間廠房，負(fù)責(zé)生產(chǎn)煤氣。

These can partly explain the mechanism of therapeutic dysmenorrhea of Angelica naphtha.

這些可解釋當(dāng)歸油用于治療痛經(jīng)的作用機(jī)制。

Other feed stocks can include ethane, propane, butane, and light and heavy naphtha but are not commonly used.

其它原材料包括乙烷、丙烷、丁烷以及一般不用的輕、重石腦油。

The hydrocarbon molecules in naphtha feedstock are rearranged.

石腦油原料的烴類分子得到重新排列。

An adhesive made by dissolving unvulcanized rubber in a solvent like benzene or naphtha .

將不能硫化的橡膠溶于或石腦油等溶劑中制成的粘合劑。

Objective: To extract and determine naphtha in Eupatorium fortune.

前言：目的：從佩蘭中提取揮發(fā)油，并測定其含量。

In this paper, the application of Z501 naphtha steam pre reforming catalyst in hydrogen production units is presented.

介紹Z501型預(yù)轉(zhuǎn)化催化劑在制氫裝置的工業(yè)應(yīng)用。

Compared to the similar foreign catalyst, CN-31 naphtha pre-reforming catalyst has a bigger shrinkage factor of bulk.

31型輕油預(yù)轉(zhuǎn)化催化劑與國外同類催化劑相比，明顯的差異是體積收縮率偏大。

In the 9th century, oil fields were exploited in the area around modern Baku, Azerbaijan, to produce naphtha.

在第9世紀(jì)，被剝削的油田周圍地區(qū)現(xiàn)代巴庫，阿塞拜疆，生產(chǎn)石腦油。

Destocking in China since the summer amid fears about global demand has also put pressure on naphtha prices.

自今年夏季以來，由于對(duì)全球需求感到擔(dān)憂，中國一直在減少庫存，這也對(duì)石腦油價(jià)格構(gòu)成了壓力。

The catalyst is applicable to the hydroisomerization of the FCC naphtha.

本發(fā)明適用于FCC石腦油的加氫異構(gòu)。

Feedstocks may range from naphtha cuts to reduced crude oils.

原料范圍可從石腦油餾分到常壓重油。

Therefore, this paper takes the study specifically on the forecasting of short-term and long-term price of crude oil futures and naphtha.

因此本文針對(duì)原油期貨和石腦油的短期和長期的價(jià)格預(yù)測進(jìn)行研究。

Optionally the olefinic naphtha has a low content of acids.

任選地，所述烯烴石腦油含低含量的酸。

Such as water, liquid ammonia, naphtha and liquefied petroleum gas, such as the medium level measurement.

如水、液氨、輕油、液化氣等介質(zhì)的液位測量。

Objective: To extract and determine naphtha in fruit of Cuminum cyminum .

前言：目的：從孜然果實(shí)中提取揮發(fā)油，并測定其含量。

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

方法：運(yùn)用微波技術(shù)對(duì)孜然果實(shí)中揮發(fā)油的含量進(jìn)行測定。

There are also 6 # extraction solvent washing of oil, gasoline, aviation, 310 # of color print ink solvent naphtha.

此外還有6#抽提溶劑油，航空洗滌汽油，310#彩色油墨溶劑油。

Angelica naphtha was divided into three parts, acidic (A1), phenol(A2) and neutral and non-fenol parts(A3) by extraction.

采用翠取法，將當(dāng)歸揮發(fā)油可分成酸性（A1）、酚性（A2）和中性非酚性（A3）三部分。

The yield of the upgrading naphtha was high and the loss of dry gas plus coke was low.

改質(zhì)汽油收率及總液收高，干氣+焦炭損失小。

According to 1: 1 mix alkaloid and naphtha, and add mint essence, aiding material, to make Chinese herb air cleanser.

將提取的生物堿和揮發(fā)油按1：1的比例混合，并加入薄荷香精等輔助材料制備得到中草藥空氣清潔劑。

In fact the market sales of lot more, boileretc, according to user needs all solvent naphtha.

實(shí)際上市場銷售的遠(yuǎn)不止這些，生產(chǎn)廠家可以根據(jù)用戶需要，生產(chǎn)各種規(guī)格溶劑油。

The copper belt corrosion was caused by H2S and active sulfur in naphtha.

證明了銅絲帶腐蝕是由石腦油中的H2S和活性硫引起的。