It is inspiring to discover technology related to tribology throughout the history of vx bonnet protector mankind.This paper describes sketches produced by da Vinci in the 15th century corresponding to modern bearings and notable tribological achievements in Japan from ancient times.Explained herein are a project to construct bearing models based o
Pomacea canaliculata, the invasive snail, is a host of the parasitic nematode Angiostrongylus cantonensis, which has adverse effects on the agriculture system and human health.This work evaluated the molluscicidal activity of petroleum ether extracts (PEEs) from three species of Chimonanthus against the snail P.canaliculate.Pcp (PEE of C.praecox) s
Net buoyancy changes affect hovering performance and increase the extra energy consumption duke waves and fades of deep-sea intelligent floats (DIFs) at different submergence depths.To improve the adjustment efficiency of net buoyancy changes and solve the extra energy consumption problem at different submergence depths, this study proposes a combi