A novel layered perovskite electrode for symmetrical solid oxide fuel cells: PrBa(Fe0.8Sc0.2)2O5+δ
System and method of calling for help suitable for trap in elevator
Offshore oil platform deck cleaning device for ocean engineering
Multi-rod-in-one functional equipment for urban roads
Smart city traffic street lamp system and working method thereof
Driving safety management system based on Internet of Things
Cross-border e-commerce overseas warehouse goods carrying device
Unmanned aerial vehicle camera device automatically controlled by computer and control method
Steel bar conveying protection device for building construction
Method and apparatus for transporting offshore floating wind turbines
Windscreen wiper capable of realizing automatic speed adjustment
System for alarming headstock danger distance during start-up and port-leave of automobile