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......

The aim of this paper is to provide explicitly a sequence of m-dimensional approximate inertial manifolds M,j,j = 1,2,........

The initial-boundary value problem of the propagation of nonlinear longitudinal elastic waves in an initially strained r......