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  1. Article

    Open Access

    Experimental Assessment of the Flow Recirculation Effect on the Noise Measurement of a Free-Flying Multi-rotor UAS in a Closed Anechoic Chamber

    The flow recirculation effect on the noise measurement of a multi-rotor unmanned aircraft system (UAS) hovering in a closed anechoic chamber is experimentally characterized in this work. The measured acoustic ...

    Zhida Ma, Peng Zhou, **n Zhang, Siyang Zhong in Acoustics Australia (2024)

  2. Article

    Open Access

    A comparative study of the clinical efficacy of supination-adduction type II ankle fracture surgery based on the medial pilon fracture concept versus the ankle fracture concept

    A supination-adduction (SAD) ankle fracture is a special type of ankle fracture that results in collapse of the distal tibial articular surface; as such, orthopaedic surgeons require greater awareness of this ...

    Zhida Ma, Junfeng Zhan, Nan Zhu, Liujie Zheng, Yao Hu in BMC Musculoskeletal Disorders (2021)