粒形是影响和表征微颗粒物理特性的重要参数，其研究日益受到关注。
As an important character for describing micro-particles, the shape has been paying more and more attention.
河流砂体不同微相单元决定了油田高含水期储层物理特性的总体规律。
Different micro-facies units of fluvial sand bodies control the overall reservoir physical properties at high water cut stage.
目的制备不同孔体积微丸，并考察其物理特性和压缩特性。
OBJECTIVE To prepare pellets with different porosity and study its physical properties and compressibility.
应用推荐