By building a tunnel model with a semi-circular crown, the asymmetric rock pressure applied to the shallow tunnel in strata with inclined ground surface is anal
From April 1st to August 14th, 2006, thunderstorms had been recorded at Yangbajing Cosmic Ray Observatory by ARGO-YBJ experiment. This paper analyzed the correl
Let G be a hyper finite locally solvable group,A a minimax ZG-module,F a locally defined formation consisting of locally solvable groups,A has no nonzero infini