| 单词 | motor octane number |
| 释义 | > as lemmasmotor octane number motor octane number n. Oil Industry an octane number as determined by the motor method of the American Society for Testing and Materials, used chiefly for high engine speeds and loads; abbreviated MON. ΚΠ 1952 ASTM Man. Engine Test Methods for rating Fuels 7/2 The Motor octane number of a fuel is determined by comparing its knocking tendency with those for blends of the reference fuels of known octane number at 900 rpm. 1967 Statistician 17 151 Two methods which are much employed are the research octane number (RON) and the motor octane number (MON). 1979 Chem. Week (Nexis) 28 Mar. 42 The product is a branched material with good octane... It is not ‘sensitive’; its more-demanding motor octane number is quite close to its research octane number. 2002 Hydrocarbon Processing (Nexis) 1 Nov. 86 Alkylate has ideal gasoline properties such as: high research and motor octane numbers, low Reid vapor pressure (Rvp), and no aromatics, olefins or sulfur. < as lemmas |
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