Khartoum refinery, which is a large modernized fuel-type refinery jointly set up by PetroChina and Ministry of Energy and Minerals of Sudan, represents the firs
Several different anisotropic waveguides are studied with a unified compact 2-D finite difference time domain (FDTD method, and the accuracy and efficiency are
The band gap structure of one-dimensional anisotropic photonic crystal has been studied by means of the transfer matrix formalism. From the analytic expressions
Experiments of ionospheric tomography at low latitudes along 120°E meridian and some findings from analyses of such experimental data are presented. An improve
The basic problem in optimizing communication networks is to assign a proper circuit for each origindestination pair in networks so as to minimize the average n
Combining IP and WDM is an attractive direction for research. Instead the point to point linking method, this paper proposes a new approach to realize IP direct