十六烷值

shíliùwánzhí

noun

Meanings

1 cetane number
2 ignition-quality rating of diesel fuel

Characters

alkane (chemistry)

Examples

HSK 7-9

柴油的十六烷值越高，燃烧越充分。

Cháiyóu de shíliùwánzhí yuè gāo, ránshāo yuè chōngfèn.

The higher the cetane number of the diesel, the more complete the combustion.

HSK 7-9

国六柴油的十六烷值不低于51。

Guó liù cháiyóu de shíliùwánzhí bù dīyú wǔshíyī.

China VI diesel must have a cetane number of at least 51.

Tips

memory

十六烷 (shíliùwán) is hexadecane (C16H34), the reference fuel that ignites readily under compression - assigned cetane number 100. The diesel equivalent of gasoline's octane number (辛烷值, xīnwánzhí); 烷 (wán) is the suffix for alkanes.

Stroke Order

十 shí

六 liù

烷 wán

值 zhí