To analyze the stability problem of spatial beam structure more accurately,a spatial cubic spline geometric nonlinear beam element was proposed considering the
Plasma electron density is one of the most fundamental parameters in the study of tokamak plasma physics.The method of plasma electron density measuring and pro
Gray scale grades for color change of dyed fabrics are assessed via image processing technology.Digital images of groups of specimens are obtained,cropped,and saved as JPEG format.Relationships betwee