octane - определение. Что такое octane
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Что (кто) такое octane - определение

CHEMICAL COMPOUND
Octanes; N-octane; List of isomers of octane; Normal-Octane

Octane         
·noun Any one of a group of metametric hydrocarcons (C8H18) of the methane series. The most important is a colorless, volatile, inflammable liquid, found in petroleum, and a constituent of benzene or ligroin.
octane         
Octane is a chemical substance that exists in petrol or gasoline and that is used to measure the quality of the fuel.
...high octane fuel for cars.
N-UNCOUNT: usu with supp
see also high-octane
octane         
¦ noun Chemistry a liquid hydrocarbon of the alkane series, present in petroleum spirit. [C8H18.]
Origin
C19: from octo- 'eight' (denoting eight carbon atoms) + -ane2.

Википедия

Octane

Octane is a hydrocarbon and an alkane with the chemical formula C8H18, and the condensed structural formula CH3(CH2)6CH3. Octane has many structural isomers that differ by the amount and location of branching in the carbon chain. One of these isomers, 2,2,4-trimethylpentane (commonly called iso-octane) is used as one of the standard values in the octane rating scale.

Octane is a component of gasoline (petrol). As with all low-molecular-weight hydrocarbons, octane is volatile and very flammable.

Примеры употребления для octane
1. Advertisement A liter of '5–octane gasoline will drop by 5% to NIS 4.75, for self–service, while '6–octane drops by 4.8% to NIS 4.77 per liter.
2. The price of '5 octane gas will be NIS 5.2 per liter, and the price of '6 octane, NIS 5.21 per liter.
3. Until now Bazan sold only 8' octane low–sulfur gas, which constituted only 25% of the total market, and will now also sellhigher octane gas too.
4. Dear Tom: Which octane gasoline is recommended for the ‘'2 Acura Legend LS? (See all Acura cars) Why would premium gas (approx 100 octane) be required?
5. A liter of '5 octane gas will cost NIS 6.67 at the self–service pump, down 4.71%, and '6 octane gas will drop to NIS 6.68.