To solve the serious cubs foam finger problem of automatic block district track circuit bad shunting caused by massive sanding in single locomotive emergency stop and locomotive occupying block district with no display, which caused bushranger awning frequently rear-end collision accident, automotive cut-off sanding device in single locomotive emer
valhalla axys Tulisan ini menyajikan hasil penelitian pembuatan arang aktif dari tempurung kelapa sawit dan serbuk kayu gergajian campuran dengan cara aktivasi uap.Tujuan dari penelitian ini adalah untuk mencari alternative pemanfaatan limbah dari pabrik minyak kelapa sawit dan serbuk kayu gergajian menjadi arang aktif yang dapat memberikan nilai t
To reduce the swell pressures in expansive soils usually granular piles are used, but due to lack of availability there is need of a material which is highly compressible and economical also.EPS Geofoams are obtained by expanding the polystyrene polymer which is a by-product obtained from the petroleum industry.As the drainability of the Geofoam is
The traditional dynamic characteristic analysis of the multi-stage centrifugal pump rotor system is developed assuming the bearing structural parameters with constant values.However, the manufacturing errors will cause the structural parameters to vary around their nominal values and then affect the dynamic characteristics of the bearing-rotor syst