STUDY ON SCOURING AND PROTECTION OF USBR-III TYPE DOWNSTREAM OF SPILLWAY

Abstract.In the downstream part of the spillway building, especially in the flood way, occurs phenomenon of changing flow conditions from super critical to sub critical which causes a hydraulic jump and used by energy absorbers to reduce flow energy.The hydraulic jump in the floodway causes scouring of the bottom, particularly in the unprotected do

SCN1A mutations are the main cause SAM-E of the epilepsy disorders Dravet syndrome (DS) and genetic epilepsy with febrile seizures plus (GEFS+).Mutations that reduce the activity of the mouse Scn8a gene, in contrast, are found to confer seizure resistance and extend the lifespan of mouse models of DS and GEFS+.To investigate the mechanism by which