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首頁(yè)英語詞典naphthanaphtha實(shí)用場(chǎng)景例句

naphtha

英 ['n?fθ?] 美['n?fθ?]

英英釋義實(shí)用場(chǎng)景例句

n. 石腦油；揮發(fā)油；粗汽油

實(shí)用場(chǎng)景例句

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.

Various solvent naphtha fraction generally have to go through refining.: 各種溶劑油餾分一般都需要經(jīng)過精制加工.

The article introduces development status of solvent naphtha productive technology both home and abroad.: 介紹了國(guó)內(nèi)外溶劑油生產(chǎn)技術(shù)的發(fā)展現(xiàn)狀.

One byproduct he worked with was coal tar , which , when distilled, produced naphtha.: 他試驗(yàn)用的一個(gè)副產(chǎn)品是煤焦油, 煤焦油經(jīng)過蒸餾生成石腦油.

The coking and deactivation of virgin naphtha aromatization catalyst are studied on isothermal reactor.: 利用等溫固定床反應(yīng)器研究了直餾汽油芳構(gòu)化改質(zhì)催化劑的結(jié)焦失活規(guī)律.

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.

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(cè)定.

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、丁烷以及輕、重石腦油.

The bases of this substance is naphtha, which has a very strong effect for health care.: 此物質(zhì)的主要成分是揮發(fā)油, 具有很強(qiáng)的保健功效.

The aromatic hydrocarbons content in naphtha was analyzed by a chemical reaction method.: 用化學(xué)分析方法測(cè)定了工業(yè)用石腦油中芳香烴的含量.

The copper belt corrosion was caused by H 2 S 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.

Objective : To extract and determine naphtha in Eupatorium fortune.: 目的: 從佩蘭中提取揮發(fā)油,并測(cè)定其含量.

The technical features, process design and commercial application of FDFCC 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.

Finally, the solubility of methyl chloride in solvent naphtha was mensurated to accord to industrial application.: 最后, 為了更接近工業(yè)應(yīng)用的要求,對(duì)一氯甲烷在兩種不同組成的溶劑油中的溶解度進(jìn)行了測(cè)定.

The Naphtha Stipper Reboiler duty is not decreased proportionally to the laden methanol to be stripped.: 石腦油汽提塔再沸器的負(fù)荷不是與被汽提的富甲醇按比例減少.

In contact with a hot surface, naphtha petroleum fractions crack to produce ethylene and propylene.: 石腦油餾份與一個(gè)熱表面接角,就裂解而得到乙烯和丙烯.

Light petroleum distillate , generally known as naphtha, was the logical choice.: 輕石油餾分, 如石腦油是合乎邏輯的選擇.

Mix pure alcohol and naphtha in a ratio of 3:7.: 可以把純酒精和揮發(fā)油以三比七的比例混合.