<正> The objective of this study was to study theage-related adaptation of lumbar vertebral trabecular bone atthe apparent level,as well as the tissue level in
<正> The calculation of settling speed of coarse particlesis firstly addressed, with accelerated Stokesian dynamicswithout adjustable parameters, in which far f
<正> Simulations have been done to assess the lift,thrust and propulsive efficiency of different types of non-symmetrical airfoils under different flapping conf
Our previous study shows that the lateral disturbance motion of a model drone fly does not have inherent stability (passive stability),because of the existence