REAL TIME SEGMENTATION METHOD FOR UNDERGROUND TRACK AREA BASED ON IMPROVED STDC

Currently, most underground rail transportation scenarios in China are relatively open.There are problems of operators, scattered materials, or coal slag invading the track.It poses a threat to locomotive operation.The underground track area of coal mines often presents linear or arc-shaped irregular areas, and the track gradually converges.It is d

This study investigated the effect of acute exposition to zinc (Zn) on histology of the liver and testes of yellow tail lambari (Astyanax aff.bimaculatus).The exposure consisted of six concentrations of Zn (0, 3, 5, 10, 15, and 20 mg/L) for 96 hours of exposure.Fragments here of liver and testis were routinely processed and embedded in plastic resi