median relationとは 意味・読み方・使い方

Provided is the image forming method using the developing roller having relation; 10R≤Sm≤30R and R/5≤Ra≤R/2 wherein roughness imparting particles are contained in a resin layer and an interval between the roughness imparting particles in the resin layer is Sm, the average center line roughness of the resin layer is Ra, and the volume reference median diameter of the toner is R.例文帳に追加

粗さ付与粒子を樹脂層中に含有し、樹脂層の粗さ付与粒子の間隔をＳｍ、樹脂層の平均中心線粗さをＲａ、トナーの体積基準メディアン径をＲとしたとき、１０Ｒ≦Ｓｍ≦３０Ｒ、Ｒ／５≦Ｒａ≦Ｒ／２の関係を有する現像ローラを用いる画像形成方法。 - 特許庁