Alternate Title: Research on Reconstruction Method of Polyethylene Pipeline Defect Signal Based on Ultrasonic Phased Array. (English)

المؤلفون: 郑凯, 吴军, 吴胜平, 范正, 王海涛, 许倩, 俞燕萍

المصدر: Computer Measurement & Control; 2023, Vol. 31 Issue 9, p247-252, 6p

المؤلفون: Liu, Qiang / 刘 强, Su, Xiao-jia / 苏小佳, Yu, Yan / 俞 燕, Liu, Yong-lin / 刘永林

المصدر: Chinese Journal of Integrative Medicine. December 2014 20(12):928-933

Alternate Title: Research on Noise Reduction Method of Phased Array Ultrasonic Signal Based on VMD. (English)

المؤلفون: 俞燕萍, 罗鹏斌, 杨先明, 郑凯, 胡斌定, 王海涛

المصدر: Computer Measurement & Control; 2022, Vol. 30 Issue 7, p261-266, 6p

Alternate Title: AlN Piezoelectric MEMS CMR Technology and Application. (English)

المؤلفون: 俞 燕, 王璐烽, 丁芩华, 何 杰

المصدر: Piezoelectrics & Acoustooptics; 2022, Vol. 44 Issue 4, p667-672, 6p

مصطلحات موضوعية: INTEGRATED circuits, ALUMINUM nitride, MICROELECTROMECHANICAL systems, QUALITY factor, RESONATORS, MICROFLUIDIC devices, ELECTROMECHANICAL devices, NONLINEAR oscillators

Alternate Title: Recent Progress in Colorless and Transparent Polyimide with High Thermal Stability. (English)

المؤلفون: 兰中旭, 韦 嘉, 俞燕蕾

المصدر: Journal of Functional Polymers; 2020, Vol. 33 Issue 4, p320-332, 13p

مصطلحات موضوعية: COMPUTER-assisted molecular design, MOLECULAR structure, ELECTRON donor-acceptor complexes, MEMBRANE separation, THERMAL stability, COPLANAR waveguides

المؤلفون: 张杰, 俞燕敏

نوع المادة: eBook.

تصنيفات: SOCIAL SCIENCE / Research, LITERARY COLLECTIONS / Asian / Chinese