十六烷值

shíliùwánzhí

noun

Meanings

1 cetane number
2 ignition-quality rating of diesel fuel

Characters

alkane (chemistry)

Examples

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.

国六柴油的十六烷值不低于51。

Guó-liù cháiyóu de shíliùwánzhí bù dī yú 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