单词 | mmt |
释义 | > as lemmasMMT MMT n. Chemistry methylcyclopentadienyl manganese tricarbonyl, C6H7·Mn·(CO)3, a petrol additive used to enhance octane ratings. ΚΠ 1977 Chem. Week (Nexis) 16 Mar. 43 An octane-boosting additive called MMT that is now being used in 40% of unleaded gasoline produced in the U.S. may disrupt the fragile compromise on auto-emissions control reached by the Environmental Protection Agency. 1995 Globe & Mail (Toronto) 14 Jan. a5/1 Ms. Copps warned gasoline and auto companies yesterday that if they fail to reach an agreement on removing MMT from gasoline by Jan. 31, she will ‘explore the necessary steps, including the possible introduction of legislation.’ Methylcyclopentadienyl manganese tricarbonyl is an octane enhancer that was added to gasoline after lead was banned. < as lemmas |
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