| 释义 |
apparent density apparent density[ə′pa·rənt ′dens·əd·ē] (metallurgy) The weight per unit volume of a metal powder, in contrast to the weight per unit volume of the individual particles. apparent density1. The mass per unit volume of in-place thermal insulation. 2. The mass per unit volume (or the weight per unit volume) of a material, including the voids which are inherent in the material. |