Explore the latest innovations in steel-part fabrication that allow engineers to design ambitious structures without ...

Ask the publishers to restore access to 500,000+ books. An icon used to represent a menu that can be toggled by interacting with this icon. A line drawing of the Internet Archive headquarters building ...

Abstract: 3-D imaging sonar is crucial in the exploration of marine resources, and the development of portable device with high-imaging quality and high-real-time performance is the general trend.

American steel production jumped to 82 million tons in 2025, up about 3%, pushing the U.S. past Japan to become the world’s third-largest steel producer, behind only China and India. It’s the first ...

Abstract: In this letter, we investigate the performance of various three-dimensional (3D) array structures in the design of hybrid precoder (HP) for millimeter wave (mmWave) multi-user massive ...