The Nature Index 2025 Research Leaders — previously known as Annual Tables — reveal the leading institutions and countries/territories in the natural and health sciences, according to their output in ...

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1 Faculty of Law, Economics and Humanities, Kagoshima University, Kagoshima, Japan. 2 Department of Psychiatry, Kagoshima University, Kagoshima, Japan. 3 Graduate School of Medical and Dental Science, ...

Abstract: In order to further improve the detectability of laser ultrasonic testing method for internal defects of materials, this paper studies a new phased array laser ultrasonic detection and ...

Abstract: In this paper, a design concept of sparse array is applied to total focusing imaging technique. During the process, the elements of a phased array are partially selected according to the ...