Showing 761 - 780 results of 21,418 for search 'Goofy~', query time: 3.34s Refine Results
  1. 761

    Study on the law of air leakage in goaf under the influence of double-series coal seam mining by Yongfu Zhang, Chuanbo Cui, Ran Peng, Wei Li

    Published 2025-01-01
    “…When there is no external air leakage, the goaf oxidation zone is evenly distributed with a width of 70 m. …”
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  2. 762
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  6. 766

    Calculation Method for the Critical Thickness of a Karst Cave Roof at the Bottom of a Socketed Pile by Nie Qingke, Li Xilai, Yuan Wei, Wang Anli, Wang Wei, Jia Xiangxin, Shang Weidong

    Published 2021-01-01
    “…The thickness of a karst cave roof at the bottom of a socketed pile plays an important role in the vertical bearing capacity of the socketed pile in the karst region. …”
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  7. 767

    Rolling bearing fault diagnosis based on parameter optimized VMD and improved GoogLeNet by LI Haoran, LIU Deping

    Published 2025-01-01
    “…A rolling bearing fault diagnosis method based on parameter-optimized variational mode decomposition (VMD) noise reduction and GoogLeNet network with improved attention mechanism was proposed.MethodsThe local minimal envelope entropy was used as the fitness function, and the sparrow search algorithm (SSA) was used to optimize the VMD parameter combination; the optimized VMD algorithm was used to decompose the bearing vibration signals to obtain several modal components, and the signals were reconstructed by filtering the modal components with rich fault features according to the envelope entropy and kurtosis; the reconstructed signals were used to construct the feature matrix and input into the improved GoogLeNet network to complete the diagnosis.ResultsThe test results show that the diagnostic accuracy of the method is 95.5% to 99.8% under different noise backgrounds, which is better than other methods in terms of noise robustness.…”
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    Article
  8. 768

    Study on Roof Breakage-Induced Roadway Coal Burst in an Extrathick Steeply Inclined Coal Seam by Sheng-chuan Wang, Lin-ming Dou, Zong-long Mu, Jin-rong Cao, Xu-wei Li

    Published 2019-01-01
    “…In view of the coal burst induced by roof breakage in the steeply inclined coal seam (SICS) roadway and its mechanism, a mechanical model was established to investigate the distribution of dynamic and static stresses in the coal seam before and after the breakage of a thick hard roof. …”
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  9. 769

    Pengaruh Good Corporate Governance, Intellectual Capital, Dan Konservatisme Akuntansi Terhadap Kinerja Keuangan by Talita Nanda Ayu, Napisah Napisah

    Published 2024-05-01
    “…Penelitian ini bertujuan untuk menguji dan memperoleh bukti secara empiris mengenai pengaruh good corporate governance, intellectual capital, dan konservatisme akuntansi terhadap kinerja keuangan. …”
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  10. 770

    Shield-Roof Interaction in Longwall Panels: Insights from Field Data and Their Application to Ground Control by Jingyi Cheng, Zhijun Wan, Yinlin Ji

    Published 2018-01-01
    “…The shield-roof interaction as mining proceeds in longwall panels remains unclear, hindering the further increase of longwall productivity. …”
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    Article
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  12. 772

    Economic Impact of THE PLAYERS Championship Golf Tournament at Ponte Vedra Beach, Florida, March 2005 by Tom Stevens, Alan Hodges, David Mulkey

    Published 2007-10-01
    “…FE698/FE698: Economic Impact of THE PLAYERS Championship Golf Tournament at Ponte Vedra Beach, Florida, March 2005 (ufl.edu) …”
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    Rebound Mechanism and Control of the Hard Main Roof in the Deep Mining Roadway in Huainan Mining Area by Denghong Chen, Chao Li, Xinzhu Hua, Xiaoyu Lu, Yongqiang Yuan, Chen Li

    Published 2021-01-01
    “…Taking the occurrence conditions of the hard main roof in the deep 13-1 coal mining roadway in Huainan mining area as the research object, based on the mechanical parameters of the surrounding rock and the stress state of the main roof obtained by numerical simulation, a simply supported beam calculation model was established based on the damage factor D, main roof support reaction RA, RB, and critical range C (9 m) and B (7 m) at the elastoplastic junction of the solid coal side and mining face side (hereinafter referred to as “junction”). …”
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  16. 776
  17. 777

    Characterization and Goodness-of-Fit Test of Pareto and Some Related Distributions Based on Near-Order Statistics by Masoumeh Akbari

    Published 2020-01-01
    “…Then some characterization results for Pareto and some related distributions are established in terms of mass probability function, first moment of these new counting random variables, and using completeness properties of the sequence of functions xn,0<x<1,n≥1. Finally, new goodness-of-fit tests based on these new characterizations for Pareto distribution are presented. …”
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  18. 778
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    Clinical Epidemiology, Evidence Based Medicine and Good Clinical Practice Guidelines vs. Clinical Method? by Luis Alberto Corona Martínez, Mercedes Fonseca Hernández

    Published 2009-11-01
    “…The purpose of this article is to analyze the role of clinical epidemiology, evidence based medicine and good clinical practices guidelines in the decision making process, as well as the relation established between those and the clinical method. …”
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