The relation between friction mechanism and force chains characteristics has not yet been fully studied in the pow-der m......

The physical contact between objects plays a crucial role in the dynamics of physical systems.Two examples are granular ......

以具有复杂颗粒特征的商业食盐为模型样品，通过实验研究了激光诱导击穿光谱（LIBS）技术检测复杂颗粒状物质中微量元素光谱的稳定性。通......

小粒的系统由增加收拾行李的部分简单地在点 J 经历堵塞转变。大规模平行分离元素代码(THDEM：清华分离元素方法) 被用来在点 J 附近......

Gravity is the most important load source in mining and geotechnical engineering,which causes both the stress level and ......