英语释义

• any of various volatile flammable liquid hydrocarbon mixtures; used chiefly as solvents

片语

naphtha soap石油精

blending naphtha调合石脑油

naphtha desulphurization石脑油脱硫

solvent naphtha溶剂油

Naphtha Cracker石脑油裂解装置

raw naphtha粗石脑油

naphtha polyforming石脑油聚合重整

paint naphtha油漆溶剂油

thermal naphtha[油气]

hydrogenated naphtha氢化石脑油

英汉例句

• this article presents the safety design of co shift system for large scale ammonia revamping project where feedstock shall be changed from naphtha to coal.

  具体阐述在大化肥石脑油制氨装置改扩建为水煤浆制氨装置工程中的耐硫co变换系统的安全设计。

• through an explosion accident of naphtha tank, the spontaneous burning mechanism of fes in sulfur contained oil tank was analyzed, and the protection method was, then, presented.

  通过一起石脑油罐的爆炸事故，分析了含硫油品储罐硫化亚铁自燃机理，并提出了预防同类事故的防范措施。

• a device for cracking methane, lng or naphtha at temperatures above 1500℃ heated by electric arc to produce acetylene, hydrogen, ethylene and carbon as major products.

  借助电弧加热，甲烷、液化天然气或石脑油在1500℃以上裂解以生产乙炔、氢、乙烯和碳等主要产品的设备。

• objective:to extract and determine naphtha in leaf of schizonepeta tenuifolia .

  目的：从荆芥叶中提取挥发油，并测定其含量。

• 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。

• this process, commercialized in 1967 operates in conjunction with a naphtha reforming process to produce high octane gasolines from naphthas.

  它于1967年商业化，与石脑油重整工艺结合从石脑油中生产高辛烷值汽油。

• the impact of catalysts on naphtha catalytic cracking was investigated.

  考察了催化剂对石脑油催化裂解的影响。

• naphtha is a mixture of molecules in the range of 5 to 9 carbons.

  石脑油由5到9个碳组成。

• 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。

• study of coke formation during fcc naphtha cracking was carried on a laboratory fixed-fluidized bed reactor.

  在实验室采用固定流化床反应器，研究了催化裂化汽油裂化时的焦炭生成。

• objective:to extract and determine naphtha in fruit of cuminum cyminum .

  前言：目的：从孜然果实中提取挥发油，并测定其含量。

• objective: to extract and determine naphtha in fennel fruit.

  目的：从小茴香中提取挥发油，并测定其含量。

• in particular, the large chemical fertilizer units based on naphtha suffer heavy losses due to the increase in the price of feedstock and fuel.

  尤其以石脑油为原料的大化肥装置，因原料和燃料价格的上涨，都出现了严重亏损。

• naphtha is one of the chief raw materials for ethylene cracker.

  石脑油是乙烯裂解装置的主要原料之一。

• according to an msds from gc electronics, its paint thinner contains a mixture of toluene and hydrotreated naphtha - about 40-50 percent of each.

  根据气象色谱电子的一个数据值（表明），其涂料稀释剂中含有甲苯和氢化石脑油的混合物，每只含40-50%。

• results show that the main causes of low induction period of cracked naphtha are the high diene number and low phenol content.

  结果表明，二烯值大、酚含量低是加氢渣油催化裂化汽油诱导期短的主要原因。

• the most important route to produce these unsaturated hydrocarbons is by steam cracking, using principally petroleum gases or naphtha as feedstock.

  生产这种不饱和烃类最重要的路线是靠蒸汽裂解，主要以石油气体和石脑油作原料。

• by means of coprecipitation, a hydrocracking catalyst for naphtha production was prepared.

  采用共沉淀方法合成了石脑油型加氢裂化催化剂。

• the olefin conversion of fcc naphtha to produce light olefins over regular carrier catalyst preparated from shape-selective molecular sieve was studied in a regular fixed-bed reactor.

  以择形分子筛制备的规整载体催化剂，在规整固定床反应器上，进行催化裂化汽油中烯烃转化产低碳烯烃的裂化反应。

• macintosh found that naphtha — a volatile, oily liquid created in the distillation the aforementioned coal tar, as well as petroleum — could be used to waterproof fabrics.

  麦金托什发现，石脑油——在蒸馏前面提到的煤焦油以及石油的过程中所产生的一种易挥发的油状液体——可用于防水织物。

• with feedstocks like naphtha and gas oil, containing hundreds of components, the generation of the reaction network for each of the feed components becomes a task of great difficulty.

  对于象石脑油、轻柴油这样含有几百种组份的原料，产生这个反应网络就是一个极其艰巨而重要的任务。

• as i wrote last week, sasol, a south african company that produces diesel fuel and naphtha from coal, is considering building a similar plant to take advantage of the natural gas fields of canada.

  就在上个周我写这篇文章时，南非沙索公司—一家从煤炭中生产柴油和石脑油的公司正在考虑制定一个同样的计划来开发加拿大天然气田。

• wrote last week, sasol, a south african company that produces diesel fuel and naphtha from coal, is considering building a similar plant to take advantage of the natural gas fields of canada.

  就在上个周我写这篇文章时，南非沙索公司—一家从煤炭中生产柴油和石脑油的公司正在考虑制定一个同样的计划来开发加拿大天然气田。