释义 |
灰分huīfèn物质燃烧后剩下的灰的重量与原物质重量的比值,叫做这种物质的灰分。如100千克的煤,燃烧后剩灰25千克,这种煤的灰分就是25%。{ash ratio; ratio of the remnant powdery residue after burning to the original matter, e.g. 100 kg. of coal leaves behind 25 kg. of ash after burning, so the ash ratio is 25 per cent} |