The stability and boundedness of mechanical sys-tem have been one of important research topics.In this paperultimate boundedness of a dry friction oscillator,b
The influence of applied electric fields on the absorption coefficient and subband distances in asymmetrical AlN/GaN coupled double quantum wells(CDQWs) has bee
The effects of fast neutron irradiation on oxygen atoms in Czochralski silicon(CZ-Si) are investigated systemically by using Fourier transform infrared(FTIR) sp
The local structure distortion,the spin Hamiltonian(SH) parameters,and the electric fine structure of the ground state for Mn2+(3d5) ion in ZnO crystals are sys