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

heptane

/ˈhɛpteɪn

noun Chemistry

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

Chemical formula: C₇H₁₆; several isomers, especially the straight-chain isomer (n-heptane).

They are rated based on their ability to resist knocking against a standard mixture of two hydrocarbons, isooctane and heptane....

Stereochemical isomers are also possible with the alkanes, beginning with heptane.
The reactants and the catalyst remained in the heptane layer, which was recycled by adding additional acylating agent and fresh aqueous ethanol.

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

单词	heptane
释义	heptane /ˈhɛpteɪn / noun Chemistry A colourless liquid hydrocarbon of the alkane series, present in petroleum spirit. Chemical formula: C₇H₁₆; several isomers, especially the straight-chain isomer (n-heptane). They are rated based on their ability to resist knocking against a standard mixture of two hydrocarbons, isooctane and heptane.... Stereochemical isomers are also possible with the alkanes, beginning with heptane. The reactants and the catalyst remained in the heptane layer, which was recycled by adding additional acylating agent and fresh aqueous ethanol. Origin Late 19th century: from hepta- 'seven' (denoting seven carbon atoms) + -ane².
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