Some of the most massive and influential stars in the universe are OB stars. These blue giants, many times more massive than ...

地址：北京市海淀区 中关村北大街127-1号北大科技园创新中心303-3室 Email：[email protected] ...

This paper presents a modified wave energy device. The wave energy device retains the primitive capture shape of the famous Edinburgh Duck, but uses a new underwater stabilized substrate. The ...