Abstract: The air-cooled proton exchange membrane fuel cell is widely used in unmanned aerial vehicle since its small size and high efficiency. The bipolar plate structure is an important factor ...

Discussions on formations are often sore subjects when broached with Ruben Amorim. The now ex-Manchester United manager never quite grasped the English fascination with his back-three dogma that he ...

Abstract: Due to considerations of safety, reliability and performance, the regulation of the flow adjustable gas generators must cope with the conflict between negative regulation and response speed.