octane 英 [ˈɒkteɪn] 　 美 [ˈɑkteɪn]

octane

octane　 英 [ˈɒkteɪn] 美 [ˈɑkteɪn]

n. 辛烷　

名词复数:octanes　

octane molecules in gasoline, however, are even more concentrated.　汽油中的辛烷分子浓缩度更高。
E85 has a higher octane rating (104 RON) than gasoline, making it more resistant to harmful pre-detonation, or “knocking, ” when the fuel/air mixture is compressed in the cylinder.　E85的辛烷值（104 RON）比汽油高，使它在缸内燃料/空气的混合物被压缩的时候能够抵抗更多的有害预爆，或者说“撞击”。

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  • n. 辛烷

  • 1. octane molecules in gasoline, however, are even more concentrated.

    汽油中的辛烷分子浓缩度更高。

  • 2. E85 has a higher octane rating (104 RON) than gasoline, making it more resistant to harmful pre-detonation, or “knocking, ” when the fuel/air mixture is compressed in the cylinder.

    E85的辛烷值（104 RON）比汽油高，使它在缸内燃料/空气的混合物被压缩的时候能够抵抗更多的有害预爆，或者说“撞击”。

  • 3. Project Goal: Engineer E. coli to convert carbon dioxide and electrical energy into ingredients for iso-octane, a fuel that can be applied to existing fuel infrastructure for U.S. transportation.

    项目目标：利用大肠杆菌将二氧化碳和电能转化为标准异辛烷，将其应用于美国现有燃料系统中，以供交通运输使用

  • octane (n.) hydrocarbon of the methane series, 1872, coined from octo- (see octa-) + -ane; so called because it has eight carbon atoms. A fuel's octane rating, in reference to its anti-knocking quality, is attested from 1932.
oc·tane / ˈɒkteɪn ; NAmE ˈɑːkteɪn / noun a chemical substance in petrol/gas, used as a way of measuring its quality 辛烷（汽油中的化学物质，用于检测汽油的质量） ◆ high-octane fuel 高辛烷值的燃料 octane octanes oc·tane / ˈɒkteɪn ; NAmE ˈɑːkteɪn /
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词频排名 noun:27802
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