<正>Robots are widely used to replace people in some burdensome or harmful are eas.Not only the moving a bility but also the manipulating ability is needed in t
During the 15th IFToMM World Congress on Mechanism and Machine Science(MMS)in Krakow,Poland on 30 June-4 July 2019,a special opening session has been organized
Spiral groove dry gas seal(S?DGS), the most widely used DGS in the world, encounters the problem of high leakage rate and inferior film stability when used in h
Cracks, especially small cracks are di cult to be detected in oil and gas transportation pipelines buried underground or covered with layers of material by usin
The contact sti ness of a mechanical bonding surface is an important parameter in determining the normal and radial contact force. To improve the calculation ac