In civil engineering, the nonlinear dynamic instability of structures occurs at a bifurcation point or a limit point. The instability at a bifurcation point can
Magnetic properties of nanocrystalline Fe60Cr40 powders prepared by mechanical alloying in vacuum and air were investigated by utilizing the measurements of mag
It is believed that the similarities and differences between the target language and any other language that has been previously acquired can exert either negat
The platform of distributed design and resource sharing is important for medium-sized and small companies in developing products to improve competitiveness. As
Aerosol samples are collected on the route of the Second Chinese National Arctic Research Expedition from July 15 to September 28, 2003. The concentration of wa