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Huiying Shang, Lulu Xun, Tao Miao, Chen Chen, Yuan Lu and Bin Li
The size of leaves is a vital factor in the development and overall biomass of a plant, serving as a key indicator of how a plant adapts to its environment. Rhamnus heterophylla, a species known for its heteromorphic leaves of varying sizes, presents an ...
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Ran Kang, Shanyu Zhou, Tingting Chen, Huiying Yin, Lulu Si, Caiyun Deng and Hermann Kaufmann
Studies have investigated heavy metal (HM) contamination in the Bohai Sea, but primarily in seawater and associated sediments, or in single rivers. For the first time, 31 major rivers discharging into the Bohai Sea were analyzed, along with 27 uniformly ...
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Caining Wen, Wei Fan, Canbo Xiao, Yonggang Zhao, Shicheng Hu, Lulu Yue, Mengjie Qu and Ying Chen
The feeding activities of fish in marine aquaculture have raised concerns about severe benthic pollution within the cage area. This paper suggests removing particulate waste from the cage area through the implementation of artificial upwelling (AU), a me...
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Jun Zhao, Lulu Yin, Jing Chen, Yizhou Yang, Yinhong Zhu and Bai Yang
To study the influence of grouting defects on the mechanical properties of grouting sleeves, 49 groups of specimens with different specifications were made considering the length and location of defects, monotonic axial tension tests were carried out to ...
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Lulu Cheng, Ning Zhao, Kan Wu and Zhibin Chen
Autonomous mobile robots (AMRs) play a crucial role in transportation and service tasks at hospitals, contributing to enhanced efficiency and meeting medical demands. This paper investigates the optimization problem of scheduling strategies for AMRs at s...
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Jinbiao Yuan, Zhenbao Liu, Yeda Lian, Lulu Chen, Qiang An, Lina Wang and Bodi Ma
When performing area coverage tasks in some special scenarios, fixed-wing aircraft conventionally adopt the scan-type of path planning, where the distance between two adjacent tracks is usually less than the minimum turning radius of the aircraft. This r...
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Zhiqi Guo, Xiaoyu Lv, Cai Liu, Haifeng Chen and Lulu Mei
Characterizing gas hydrate-bearing marine sediments using seismic methods is essential for locating potential hydrate resources. However, most existing pre-stack seismic inversion methods estimate the properties of sediments containing gas hydrates witho...
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Chao Zhong, Lulu Zhai, Jia Guo, Baoling Cui and Guoyou Chen
This paper proposes a new solution method for the leakage and static characteristics of smooth annular seal under a homogeneous gas-liquid two-phase flow based on a bulk-flow model. In this solution method, the Rayleigh?Plesset equation is introduced int...
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Fengqin Li, Lulu Zhai, Baoling Cui, Jia Guo and Guoyou Chen
Many annular seals suffer eccentricity because of rotor?stator misalignment or the deflection of a flexible rotor, which has a strong influence on the vibration characteristics and stability of rotating machines. In this article, a transient CFD method b...
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Mengxiong Zhao, Tieying Wu, Zhenhua Zhao, Lulu Liu, Gang Luo and Wei Chen
Ultrasonic resonance fatigue test method at 20 kHz related to the very high cycle fatigue (VHCF) aims to accelerate a time-consuming experiment. In this paper, an ultrasonic fatigue device with a data acquisition system was improved for monitoring and re...
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