Showing 4,841 - 4,860 results of 6,851 for search 'complex average', query time: 0.15s Refine Results
  1. 4841

    Application and discussion of geological guidance technology for deep coalbed methane horizontal wells: A case study of block X in Shenmu gas field, Ordos Basin by LIN Weiqiang, CONG Peng, WANG Hong, WEI Zichen, YANG Yuntian, YAO Zhiqiang, QU Lili, MA Limin, WANG Fanglu

    Published 2025-04-01
    “…The Benxi Formation the 8th coal seam is characterized by complex local structures, brittle and soft coal layers, fast drilling rates, and a tendency for collapse, making trajectory control of the horizontal section difficult and posing a challenge to achieving a high rate of reservoir drilling encounter. …”
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  2. 4842
  3. 4843

    Visual hallucinations in neurosurgery: A systematic review and two case insights into Charles Bonnet Syndrome by Erica Grasso, Giulio Bonomo, Francesco Certo, Giacomo Cammarata, Giuseppe M.V. Barbagallo

    Published 2025-01-01
    “…Research question: Charles Bonnet Syndrome (CBS) is an underrecognized cause of complex visual hallucinations in patients with visual system disorders, particularly following neurosurgical interventions. …”
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  4. 4844

    Vegetation Dynamics and Responses to Climate Variations and Human Activities in the Basin of the Yarlung Tsangpo, Lhasa, and Nianchu Rivers in the Tibetan Plateau by Chunbo Su, Jingji Li, Ying Xiang, Shurong Yang, Xiaochao Zhang, Dinghui Xu, Shijun Wang, Tingbin Zhang, Peihao Peng, Xiaolu Tang

    Published 2025-05-01
    “…The results revealed significant differences in vegetation dynamics both in summer and the growing season: the average summer NDVI showed a significant decreasing trend during the study period, whereas the growing season NDVI exhibited no significant overall temporal trend, which highlighted the necessity of assessing vegetation dynamics seasonally to accurately capture their interannual complexity. …”
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  5. 4845

    Trends and forecasts of vitamin A deficiency burden in China, 1990–2035 by Zhongming Ye, Junping Liu, Lijiao You, Yaoguo Han, Xiaodan Zhang, Ming Lei

    Published 2025-08-01
    “…However, the rate of decrease is projected to be slower in middle-aged and older populations compared to younger groups.ConclusionThis study reveals the complex dynamics and shifting burden of VAD in China. …”
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  6. 4846
  7. 4847

    Sources analysis and risk assessment of heavy metals in soil in a polymetallic mining area in southeastern Hubei based on Monte Carlo simulation by Jing Wang, Bo Wang, Qibin Zhao, Jinnan Cao, Xiao Xiao, Di Zhao, Zhenya Chen, Di Wu

    Published 2025-01-01
    “…The main findings are as follows: (1) Among the heavy metals present in the soil, copper (Cu) has the highest average concentration at 278.54 mg/kg, followed by zinc (Zn) at 161.16 mg/kg, chromium (Cr) at 75.23 mg/kg, nickel (Ni) at 30.38 mg/kg, arsenic (As) at 22.53 mg/kg, cadmium (Cd) at 0.76 mg/kg, and mercury (Hg) at 0.14 mg/kg; (2) The distribution of heavy metal concentrations exhibits significant regional variations, with the spatial pattern of pollution indicating that TLS is more affected than JLS, as evidenced by the Pollution Load Index (PLI) values; (3) Three potential sources of heavy metals were identified: natural sources, anthropogenic activities (including industrial production and agricultural practices), and atmospheric deposition (both dry and wet); (4) While severe contamination levels of specific metals such as copper and cadmium are observed in JLS and TLS soils, the overall contamination is mild, suggesting complex contamination dynamics; (5) Cadmium poses a moderate to high ecological risk, being the most sensitive factor in the comprehensive ecological risk assessment with a contribution rate of 65.2 %; (6) The concentrations of heavy metals in the soil present certain health risks, with children being more vulnerable than adults. …”
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  8. 4848
  9. 4849

    RSM-YOLOv11: Lightweight Steel Surface Defect Segmentation Algorithm Research Based on YOLOv11 Improvement by Zenghai Shan, Hu Haoyan, Changjian Zhu, Shaowen Du, Hongtao Jing, Wang Haibin

    Published 2025-01-01
    “…Traditional segmentation algorithms fail to effectively handle complex texture backgrounds and diverse defect shapes in steel surface defect segmentation, resulting in insufficient segmentation accuracy (SA), slow speed, and false negatives. …”
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  10. 4850

    Refinement Analysis of Real Dihedral and Trihedral CR-InSAR Based on TerraSAR-X and Sentinel-1A Images by Hui Liu, Bochen Zhou, Changwei Miao, Shihuan Li, Lei Xu, Ke Zheng, Geshuang Li, Shiji Yang, Mengyuan Zhu

    Published 2024-01-01
    “…Based on the performance of dihedral CR and trihedral CR installed in the South-to-North Water Diversion Channel using back-to-back design on TerraSAR-X and Sentinel-1A images, the performance of different structures of CR in complex environments, especially under heavy precipitation conditions, was deeply analyzed. …”
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  11. 4851

    A lightweight hybrid model for accurate ammonia prediction in pig houses by Jacqueline Musabimana, Qiuju Xie, Hong Zhou, Ping Zheng, Honggui Liu, Tiemin Ma, Jiming Liu

    Published 2025-12-01
    “…The model replaces feedforward networks with separable convolutional layers to capture local and spatial dependencies more efficiently, as well as reduce computational complexity. It also replaces positional encoding with global average pooling, simplifying the architecture and improving temporal feature aggregation. …”
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  12. 4852

    Unveiling the molecular activity of HIV towards the CD4: A study based on subtype C via docking and dynamics approach by Saurav Kumar Mishra, Neeraj Kumar, Zsolt Tóth, Yousef A. Bin Jardan, Shopnil Akash, John J. Georrge

    Published 2025-03-01
    “…The simulation over 200 ns demonstrated that the average RMSD for each complex started stabilizing within the 0.9 Å − 3.4 Å, followed by 25–50 ns, whereas the RMSF, Rg and PCA revealed the relative compactness and flexibility varied across different viral targets. …”
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  13. 4853

    Detection of cucumber downy mildew spores based on improved YOLOv5s by Chen Qiao, Kaiyu Li, Xinyi Zhu, Jiaping Jing, Wei Gao, Lingxian Zhang

    Published 2025-06-01
    “…At a resolution of 1440px × 1440px, it achieved the highest mean Average Precision (mAP@.5) of 95.4 %, a precision (P) score of 89.1 %, and a recall (R) rate of 90.3 %. …”
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  14. 4854

    Study on nonlinear seepage characteristics of N2/CO2 displacing CH4 in coal seam at low and medium pressure by Shixing FAN, Jinsuo SONG, Xiaojiao CHENG, Wansheng MI, Rijun LI, Yukun SHI, Jijie QIAO

    Published 2025-04-01
    “…The geological structure of coal seams in China is complex, with high degree of metamorphism and low permeability, making it difficult to extract gas from the original coal seams. …”
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  15. 4855

    Health care supply in patients with Ehlers-Danlos syndromes and generalized hypermobility spectrum disorder: a German perspective by Jonas Rauterberg, Marie Hock, Nikolaus Kernich, Arim Shukri, Henning Klapproth, Vanessa Löw, Michaela Henning, Iliana Tantcheva-Poór

    Published 2025-08-01
    “…Our results point to the urgent necessity of a better coordinated, multidisciplinary care for patients with these complex genodermatoses including innovative political structures, further research and international networking.…”
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  16. 4856
  17. 4857
  18. 4858

    Younger severe asthma patients with interleukin 4 (CC variant) and dupilumab treatment are more likely to achieve clinical remission by Mona Al-Ahmad, Asmaa Ali, Wafaa Talat

    Published 2025-03-01
    “…Abstract Background and objectives Asthma is a complex condition characterized by variable respiratory symptoms and chronic inflammation. …”
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  19. 4859
  20. 4860

    Incidence trends of non-Hodgkin lymphoma in children in the United States from 2000 to 2020 by Seyed Ehsan Mousavi, Kimia Motlagh Asghari, Armin Aslani, Farzin Tahmasbi Arashlow, Zahra Yekta, Seyed Aria Nejadghaderi

    Published 2024-11-01
    “…There is a need for targeted interventions to address demographic disparities and the complex interplay of genetic, environmental, and lifestyle factors influencing NHL ASIRs in pediatric populations.…”
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