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1·The quality of naphtha feedstock has also been defined.

同时对石脑油的质量也作了标定和比较。

2·This is made from naphtha which is very good for health.

成分是挥发油，具有很强的保健功效。

3·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。

4·The hydrocarbon molecules in naphtha feedstock are rearranged.

石脑油原料的烃类分子得到重新排列。

5·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。

6·Objective: to extract and determine naphtha in Eupatorium fortune.

前言：目的：从佩兰中提取挥发油，并测定其含量。

7·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。

8·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。

9·The copper belt corrosion was caused by H2S 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。

10·The dry point of light naphtha is one important product quality parameter.

轻石脑油干点就是其中一个质量指标。

石脑油

1·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。

2·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。

3·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。

4·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。

5·Carbon dioxide is a by-product of steam reforming of methane, propane or naphtha.

二氧化碳是甲烷、丙烷或石脑油的蒸气重整的一个副产品。

挥发油

1·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。

2·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。

3·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。

轻油

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

如水、液氨、轻油、液化气等介质的液位测量。

(1)solvent naphtha溶剂油