Internal friction Angle has a strong nonlinear relation with moisture state related saturation and a weak nonlinear relation with density state related saturation respectively.
内摩擦角和与水分状态相关的饱和度的关系是强非线性的，和与密度状态相关的饱和度的关系是弱非线性的。
On the nonlinear oscillation of internal sliding friction in particulate matter;
实验发现，棒在颗粒物质中运动时滑动摩擦力具有准周期振荡性质。
应用推荐