Based on three scenes of Landsat 5 Thematic Mapper (TM) satellite images acquired on June 26,1994,12 land cover types were identified by the supervised classifi
The paper studies the stability of weak solutions of a nonlinear heat equation with degenerate on the boundary. A new kind of weak solutions are introduced. By
This article is conceed with the finite time blow-up of weak solutions to the wave equations with nonlinear damping and source terms.We provide the sufficient c