Recently,the magnetar Swift J1834.9—0846 has been reported to have a possible wind nebula.It is shown that both the magnetar and its wind nebula are understand
A new method based on the parameters iteration technique has been developed to determine the optimal subreflector position for shaped Cassegrain antennas, that
Abstract We present a study of orbital period changes in AH Virginis. We perform a careful literature search for all available minima times, from which we deriv
Magnetohydrodynamic(MHD) processes are important for the transfer of energy over large scales in plasmas and so are essential to understanding most forms of dyn