英语词汇“cetane”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

cetane

/ˈsiːteɪn

noun [mass noun] Chemistry

A colourless liquid hydrocarbon of the alkane series, present in petroleum spirit.

Chemical formula: C₁₆H₃₄.

Its density, viscosity, cetane index, combustion point, and several other parameters they looked at compare favorably with those of ethyl esters of sunflower, rape, groundnut, and soybean oils....

The secret formula behind the new diesel relies upon an increase in cetane; the equivalent of octane used in petrol.
The composition may optionally also contain pour point depressants, cetane improvers, carbon-containing compounds which react with water, and/or emulsifiers.

Origin

Late 19th century: from Latin cetus 'whale', from Greek kētos (because related compounds were first derived from spermaceti) + -ane².

单词	cetane
释义	cetane /ˈsiːteɪn / noun [mass noun] Chemistry A colourless liquid hydrocarbon of the alkane series, present in petroleum spirit. Chemical formula: C₁₆H₃₄. Its density, viscosity, cetane index, combustion point, and several other parameters they looked at compare favorably with those of ethyl esters of sunflower, rape, groundnut, and soybean oils.... The secret formula behind the new diesel relies upon an increase in cetane; the equivalent of octane used in petrol. The composition may optionally also contain pour point depressants, cetane improvers, carbon-containing compounds which react with water, and/or emulsifiers. Origin Late 19th century: from Latin cetus 'whale', from Greek kētos (because related compounds were first derived from spermaceti) + -ane².
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