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单词 octane
释义

Definition of octane in English:

octane

noun ˈɒkteɪnˈɑkteɪn
mass nounChemistry
  • A colourless flammable hydrocarbon of the alkane series, present in petroleum spirit.

    Chemical formula: C₈H₁₈; many isomers, especially the straight-chain isomer (n-octane). See also isooctane

    Example sentencesExamples
    • To test the validity of the open-state model, molecular dynamics simulations in octane, a lipid bilayer mimetic, were carried out.
    • Carbon in its most reduced form is found in alkanes, which are typically fuels like methane, propane, and octane.
    • Four different solvent media were considered: octane, tetrahydrofuran, acetonitrile, and water.
    • My job was to change the plastic numbers displaying the price of 87 - octane standard unleaded gasoline from $1.54 to $1.56.
    • Instead, new engines have been designed to run on lower octane gasoline, which is made of hydrocarbons that are resistant to knock.

Origin

Late 19th century: from octo- 'eight' (denoting eight carbon atoms) + -ane2.

 
 

Definition of octane in US English:

octane

nounˈäktānˈɑkteɪn
Chemistry
  • A colorless flammable hydrocarbon of the alkane series, obtained in petroleum refining.

    Chemical formula: C₈H₁₈; many isomers, especially the straight-chain isomer (n-octane). See also isooctane

    Example sentencesExamples
    • Instead, new engines have been designed to run on lower octane gasoline, which is made of hydrocarbons that are resistant to knock.
    • To test the validity of the open-state model, molecular dynamics simulations in octane, a lipid bilayer mimetic, were carried out.
    • My job was to change the plastic numbers displaying the price of 87 - octane standard unleaded gasoline from $1.54 to $1.56.
    • Four different solvent media were considered: octane, tetrahydrofuran, acetonitrile, and water.
    • Carbon in its most reduced form is found in alkanes, which are typically fuels like methane, propane, and octane.

Origin

Late 19th century: from octo- ‘eight’ (denoting eight carbon atoms) + -ane.

 
 
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更新时间:2024/12/23 22:10:04