minimum void ratioとは 意味・読み方・使い方

A polyethylene hollow-fiber porous membrane has an outer surface dense type sponge-like anisotropic structure having a minimum pore size layer in its outer surface portion and the outer surface pore size of the porous membrane is below 1 μm, the inner surface pore size thereof is 1 μm or more and the void ratio thereof is 50-below 95%.例文帳に追加

外表面部に最小孔径層を持つ外面緻密型のスポンジ構造状の異方性構造をとり、外表面孔径を１μｍ未満、内表面孔径を１μｍ以上、空孔率を５０％以上９５％未満にする。 - 特許庁

The thrust ripple ratio is reduced by making uniform the void magnetic flux density distribution due to the plurality of the permanent magnets for field arrange in the moving direction of the mover, that is, by reducing the difference between maximum magnetic flux density maximum value and minimum magnetic flux density maximum value to a value not more than 3% of means value.例文帳に追加

可動子の移動方向に並んでいる複数個の界磁用永久磁石による空隙磁束密度分布を均一、すなわち磁束密度極大値の最大と最小の差を平均値の３％以下にすることによって推力リップル率を小さくする。 - 特許庁