The stiffness has a large influence on the behavior of soils. Its value is affected by some of the soils properties, suc......

Investigation of the deformation characteristics of individual hydrostratigraphic units is the key to construct a region......

为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......

According to the basic idea of classical yin-yang complementarity and modem dual-complementarity, in a simple and unifie......