The shape stiffness of mill m is defined as the crosswise rigidity of the unit width of steel plate, that is, m=k/b. By differentiating the steel plate crown eq
In ultra-precision cutting process, vibration is one of the key factors affecting the machining quality. In this paper, the damping methods of HCM-I Ultra-preci
The importance of the numerical model for sculptured part machining based on virtual environment is introduced. Meanwhile, the general frame of the numerical mo
The Darcys formula expressed by chemical indexes (ion activity a and saturation index f) is derived with the aid of the kinetics of multi-mineral dissolution. T
The effects on abrasion resistance and the microstructure of GCr15 steel surface by the compound technology of permeating RE combined with laser melting modific
A statistic linearization analysis method of bad nolinear hydraulic active damping suspensiop is provided.Also the optimum control strategy of semi-active suspe
In this paper, an efficient single-term electronic cash based on bit commitment scheme is proposed. Every protocol in our scheme can be erecuted in logarithmic