| 单词 | retort carbon |
| 释义 | > as lemmasretort carbon retort carbon n. carbon which remains as a residue in the retort when gas has been extracted from coal by heating. ΘΚΠ the world > matter > chemistry > organic chemistry > carbon > [noun] > remaining as a residue retort carbon1849 1845 London, Edinb., & Dublin Philos. Mag. 27 2 Gas-retort carbon.] 1849 Newton's London Jrnl. 34 32 He gives a body to the same [sc. copal varnish], by grinding finely-powdered retort carbon therewith. 1922 Gas Manuf., Distribution & Use (Brit. Commerc. Gas Assoc.) i. 19/2 The only other residual product left in the retort after the gas has been distilled from the coal is ‘retort carbon’. 2005 Coal Week Internat. (Nexis) 3 Oct. 12 China exported 15,812 mt of retort carbon at a value of $2.2 million. < as lemmas |
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