A new genus and species,Ramoferis amalia gen.et sp.nov.,is described from the Early Devonian (Pragian) Posongchong Formation,Wenshan district of southeastern Yu
Experiment and dynamic simulation were combined to obtain the loads on bicycle frame.A dynamic model of body-bicycle system was built in ADAMS.Then the body ges
The Philippine Sea Plate has an extremely special tectonic background.As an oceanic plate,it is almost entirely surrounded by subduction zones with complex inte