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Journal of Precision Instrument and Machinery

ISSN 2616-1990

Heart Rate Demodulation System for BCG Signal Analysis

Zhichao Liu*, Peiran Liu, Zihan Lin, Xintong Ding

Abstract | References | PDF | HTML | Pub. Date: Jul 31, 2025

DOI: 10.23977/jpim.2025.050107 | Downloads: 5 | Views: 613

Heat and Mass Transfer Study during the Reduction of Iron Ore Pellets in a Fixed-Bed Reactor

Chang Xu*, Jian Pan, Congcong Yang, Haibin Yang

Abstract | References | PDF | HTML | Pub. Date: Jul 2, 2025

DOI: 10.23977/jpim.2025.050105 | Downloads: 7 | Views: 197

Research on Industrial Waste Heat Recovery and Multi-energy Coupling System

Li Yanna*, Zhang Guangmei, Wang Shuoxi

Abstract | References | PDF | HTML | Pub. Date: Mar 21, 2025

DOI: 10.23977/jpim.2025.050102 | Downloads: 10 | Views: 607

Construction of Automatic Thickening System of Complex Body Surface Based on UG Secondary Development

Jiajie Hao, Wu Li*, Tie Xu, Hai Qin, Haifeng Liang, Binbin Jiang, Bin Lin

Abstract | References | PDF | HTML | Pub. Date: Jan 17, 2025

DOI: 10.23977/jpim.2025.050101 | Downloads: 17 | Views: 732

Research on Water-Assisted Femtosecond Laser Drilling Process for Superalloy

Liang Wang, Rong Guan*, Lei Zhao, Qunyong Zhang, Yuan Li, Changjian Wu

Abstract | References | PDF | HTML | Pub. Date: Dec 27, 2024

DOI: 10.23977/jpim.2024.040104 | Downloads: 8 | Views: 676

A Unified Method for Determining the Sign Convention of Bending Moments in Mechanics Courses

Zhonghu Zhao*, Boqian Xue

Abstract | References | PDF | HTML | Pub. Date: Sep 6, 2024

DOI: 10.23977/jpim.2024.040103 | Downloads: 15 | Views: 1400

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