粒りゅう度ど分ぶん布ぷ

noun

particle size distribution

Technical term used in materials science, geology, and engineering to describe the proportions of particles of different sizes in a sample.

• この粉ふん体たいの粒りゅう度ど分ぶん布ぷを測そく定ていしてください。

  Please measure the particle size distribution of this powder.

• 粒りゅう度ど分ぶん布ぷが広ひろいと、充じゅう填てん密みつ度どが高たかくなります。

  A wide particle size distribution leads to higher packing density.