请输入您要查询的英文单词:

 

单词 ligroin
释义

ligroin


lig·ro·in

L0167000 (lĭg′rō-ĭn)n. See naphtha.
[German.]

ligroin

(ˈlɪɡrəʊɪn) n (Elements & Compounds) a volatile fraction of petroleum containing aliphatic hydrocarbons of the paraffin series. It has an approximate boiling point range of 70°–130°C and is used as a solvent[origin unknown]

lig•ro•in

(ˈlɪg roʊ ɪn)

n. a flammable mixture of hydrocarbons that boils at from 20°C to 135°C, obtained from petroleum by distillation and used as a solvent. [1880–85; orig. obscure]

Ligroin


ligroin

[′lig·rə·wən] (materials) petroleum ether

Ligroin

 

a fraction of petroleum or gas condensate. Boiling interval, 120°-240°C; density, 785–795 kg/m3, viscosity, 1.2 centistokes (20°C); cloud point, not above — 60°C. Ligroin was originally manufactured as motor fuel for tractors. However, since the conversion of the tractor fleet to diesel engines, it has lost its importance as a motor fuel and is now used mainly in instrument-making (in fluid-filled devices) and sometimes as a solvent.

REFERENCES

Tovarnye nefteprodukty, ikh svoistva i primenenie. Moscow, 1971. Nefteprodukty [part 1]. Moscow, 1970.
随便看

 

英语词典包含2567994条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。

 

Copyright © 2004-2022 Newdu.com All Rights Reserved
更新时间:2025/1/30 16:44:54