Search Results - Lei Xu

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  1. 1

    Hyperparameter-tuned variational Bayesian Gaussian mixture model-based fault time detection method for distribution networks with distributed generation by Lei Xu, Fei Rong, Yiqin Zhu

    Published 2025-10-01

    The fault self-synchronization method enables cost-effective data synchronization for differential protection in distribution networks but suffers from synchronization errors under complex faults due to detection algorithm sensitivity. To address this, the paper analyzes the delay mechanism in activ...

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  2. 2

    High-Performance Guided Mode Resonance Optofluidic Sensor by Liang Guo, Lei Xu, Liying Liu

    Published 2025-07-01

    This paper reports on the high performance of a thick-waveguide guided mode resonance (GMR) sensor. Theoretical calculations revealed that when light incidents on the grating and excites the negative first-order diffraction order, by increasing the waveguide thickness, both a high sensitivity and hi...

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  3. 3

    Effects of bedding angles on rockburst proneness of layered anisotropic phyllites by Lei Xu, Fengqiang Gong, Jinhao Dai, Zhichao He

    Published 2025-07-01

    To examine the effect of bedding angle upon burst proneness in terms of energy, phyllites with seven various bedding angles are selected for conventional uniaxial compression and single-cyclic loading–unloading uniaxial compression tests. The ejection and failure during compression process of phylli...

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  4. 4

    The Mechanism of Knowledge Resource Interaction in Service Innovation Projects from the Perspective of Value Co-Creation Actors by Lei Xu, Xia Liu, Yanhan Sun, Hu Tao

    Published 2025-07-01

    Effective knowledge resource interaction is essential for achieving value co-creation in service innovation projects. Service innovation projects involve collaboration among multiple actors, leading to complex knowledge interactions. However, due to a lack of deep understanding of the mechanisms und...

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    Associations between the red blood cell distribution width-to-albumin ratio and 3-month outcomes in patients with acute minor ischemic stroke: A cohort study. by Qin Chen, Qin Xiong, Li Liu, Lei Xu

    Published 2025-01-01

    Acute minor ischemic stroke (AMIS) patients may experience unfavorable outcomes despite mild initial symptoms. The ratio of red blood cell distribution width (RDW) to albumin (ALB) (RAR) has been associated with poor outcomes after stroke, but its role in AMIS remains unclear. This study aimed to in...

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  7. 7

    Weak One-Dimensional Field Confinement Silica Waveguides by Chenming Zhao, Lin Chen, Lei Xu, Liying Liu

    Published 2020-01-01

    A novel weak one-dimensional field confinement silica waveguide (WCSW) with a large horizontal and vertical aspect ratio and low refractive index difference is proposed and fabricated via sol-gel technique. This new type of waveguide exhibits properties of high lithography tolerance, low polarizatio...

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  8. 8

    Assessment of Flood Catastrophe Risk for Grain Production at the Provincial Scale in China Based on the BMM Method by Lei XU, Qiao ZHANG, Ai-lian ZHOU, Ran HUO

    Published 2013-12-01

    Flood catastrophe risk assessment is imperative for the steady development of agriculture under the context of global climate change, and meanwhile, it is an urgent scientific issue need to be solved in agricultural risk assessment discipline. This paper developed the methodology of flood catastroph...

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  9. 9

    Multi‐Module Micro/Nanorobots for Biomedical and Environmental Remediation Applications by Bairong Zhu, Amar Salehi, Lei Xu, Wei Yuan, Tingting Yu

    Published 2025-07-01

    Micro/nanorobots (MNRs) are untethered, small‐scale devices designed to perform complex tasks in challenging and inaccessible environments, with promising biomedicine and environmental remediation applications. Recent advancements in multi‐module MNRs, which incorporate functional components such as...

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  10. 10

    Decadal trends and regional disparities in tuberculosis burden: a comprehensive analysis of global, African, and Southeast Asian data from the GBD 1990–2021 by Shiwei Xie, Heng Xiao, Lei Xu, Fan Zhang, Mingwei Luo

    Published 2025-08-01

    BackgroundTuberculosis (TB), an infectious disease caused by Mycobacterium tuberculosis, remains a major global public health challenge, particularly in developing countries. Despite a global reduction in TB incidence from 2015 to 2020, the disease continues to be prevalent, with 9.4 million new cas...

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  11. 11

    Lightweight visible damage detection algorithm for embedded systems applied to pipeline automation equipment by Jiale Xiao, Lei Xu, Changyun Li, Ling Tang, Guogang Gao

    Published 2025-06-01

    This research is designed for low-power, cost-effective and high-performance pipeline defect inspection in embedded systems. The backbone of the algorithm, CSPHet, employs efficient combinatorial convolution and heterogeneous kernel convolution, incorporates a lightweight convolutional structure SL...

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  12. 12

    Cross-Filter Structured Pruning for Efficient Sparse CNN Acceleration by Ngoc-Son Pham, Sangwon Shin, Lei Xu, Weidong Shi, Taeweon Suh

    Published 2025-01-01

    Convolutional Neural Networks (CNNs) are widely used in vision tasks for resource-constrained environments due to their computational efficiency and strong generalization. However, the dominance of <inline-formula> <tex-math notation="LaTeX">$1 \times 1$ </tex-math></i...

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  13. 13

    Genomic Selection for Economically Important Traits in Dual-Purpose Simmental Cattle by Xiaoxue Zhang, Dan Wang, Menghua Zhang, Lei Xu, Xixia Huang, Yachun Wang

    Published 2025-07-01

    Genomic selection (GS) is a new landmark method in modern animal breeding programs, and it has become a tool for routine genetic evaluation regarding dual-purpose cattle breeding. In this study, we employed data on milk-production, reproduction, and growth measurements of dual-purpose Simmental cows...

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  14. 14

    Tip-enhanced Raman scattering of glucose molecules by Zhonglin Xie, Chao Meng, Donghua Yue, Lei Xu, Ting Mei, Wending Zhang

    Published 2025-05-01

    Glucose molecules are of great significance being one of the most important molecules in metabolic chain. However, due to the small Raman scattering cross-section and weak/non-adsorption on bare metals, accurately obtaining their "fingerprint information" remains a huge obstacle. Herein, w...

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  15. 15

    Extreme meteorological disaster effects on grain production in Jilin Province, China by Lei XU, Qiao ZHANG, Jing ZHANG, Liang ZHAO, Wei SUN, Yun-xiang JIN

    Published 2017-02-01

    Extreme meteorological disaster effects on grain production is mainly determined by the interaction between danger degree of hazard-induced factors and vulnerability degree of hazard-affected bodies. This paper treats physical exposure, sensitivity of the response to the impact, and capabilities of...

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  16. 16

    Neural Responsiveness to Electrical Stimulation in Children With Common Cavity Deformity by Xiuhua Chao, Jinye Li, Jianfen Luo, Xianqi Liu, Zhaomin Fan, Haibo Wang, Lei Xu

    Published 2025-06-01

    ABSTRACT Objectives To investigate neural responsiveness to electrical stimulation in children with common cavity deformity (CCD) after cochlear implantation (CI), compare these responses to those in children with normal cochlea, and analyze the influence of cavity volume and electrode position on t...

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  17. 17

    Superiority of Fault-Caused-Speed-Fluctuation-Based Dynamics Modeling: An Example on Planetary Gearbox with Cracked Sun Gear by Xiaoqing Yang, Guolin He, Canyi Du, Lei Xu, Junjie Yu, Haiyang Zeng, Yanfeng Li

    Published 2025-06-01

    A planetary gear fault generates periodic speed fluctuations, which significantly influence its vibration signal. It is a necessity to explore the vibration modulation features of gear faults to provide an effective indicator for fault detection. Therefore, a superior rigid-flexible coupling dynamic...

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  18. 18

    Combined physiological and pathway analysis revealed the effect of Sporisorium destruens on photosynthesis in broomcorn millet (Panicum miliaceum L.) by Fei Jin, Lei Xu, Zhihu Lü, Yuchuan Zhang, Qinghua Yang, Qingfang Han, Baili Feng

    Published 2025-03-01

    Photosynthesis is the basis of crop growth and is sensitive to stress. Smut (Sporisorium destruens) is the primary disease in the production of broomcorn millet (Panicum miliaceum L.). This study evaluated the effects of infection with S. destruens on the photosynthesis of the resistant cultivar (BM...

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    Transcriptomic and Proteomic Analyses Provide Insight into Sugar Metabolism-Induced Dormancy Release of Flower Buds of <i>Pyrus pyrifolia</i> ‘Cuiguan’ by Huiquan Wang, Ling Ding, Qinghua Ye, Xueying Huang, Lei Xu, Shaohua Wu, Dongjin He

    Published 2025-07-01

    Pear buds exhibit inherent dormancy, during which carbohydrates play a pivotal role in dormancy release and germination. In this study, <i>Pyrus pyrifolia</i> ‘Cuiguan’ was employed as the experimental material to investigate the molecular mechanisms underlying flower bud dormancy releas...

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