For most soft soil,the consolidation process and the creep process were coupled and the character of settlement time curve was obtained by the consolidation tes
A kind of active vibration control method was presented through optimal design of driving load of multi-body system with quick startup and brake. Dynamical equa
Ultrafine tungsten carbide and fine cobalt as well as nano yttrium oxide powders were used as the raw materials. The effects of hot-press below the eutectic tem
Grainy electrolytic manganese dioxide was prepared by electrodeposition in a 0.9 mol/L MnSO4 and 2.5 mol/L H2SO4 solution. The structure, particle size and appe