Data envelopment analysis(DEA)is a mathematical programming approach to appraise the relative efficiencies of peer decision-making unit(DMU),which is widely use
In lifting sub-system of deep-sea mining system, spherical joint is used to connect lifting pipes to replace fixed joint. Based on Dynamics of Flexible Multi-bo
The dynamic characteristics of fiber-modified asphalt mixture were investigated. Cellulose fiber, polyester fiber and mineral fiber were used as additives for a