A nitrogen-doped 3D hierarchical carbon/sulfur composite for advanced lithium sulfur batteries
Bus window capable of achieving self-rescue in case of falling into water
Heat dissipation device for steering wheel of motor vehicle
Vertical elevator identification method and system, medium, equipment, terminal and application
Movable guardrail control system considering traffic flow detection
Wi-Fi Assisted GNSS Positioning and Continuous Tracking
REVERSIBLE HUMAN-POWERED VARIABLE SPEED DRIVE DEVICE AND ROWING-IMITATING HAND-ACTUATED VEHICLE
Reversible manual variable-speed driving device and rowing-imitating hand-powered car
Power supply system and method of electronic rearview mirror and vehicle
Study on Heat Transfer Performance of Medium in Aerial Hot Oil Pipe for Shutdown