Showing 781 - 800 results of 4,780 for search '"mining"', query time: 0.06s Refine Results
  1. 781

    Stability Analysis of “Support-Surrounding Rock” System for Fully Mechanized Longwall Mining in Steeply Dipping Coal Seams by Shenghu Luo, Tong Wang, Yongping Wu, Jingyu Huangfu

    Published 2022-01-01
    “…The key to safe and efficient longwall mining of steeply dipping seams lies in the stability control of the “support-surrounding rock” system. …”
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  2. 782
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  5. 785

    Collaborative control technology and application of support and modification for soft-rock roadway in a kilometer-deep coal mine by En Wang, Shuaifeng Yin, Xuexi Chen, Ze Gao, Aiguo Sun, Yitao Yan

    Published 2025-01-01
    “…Abstract The soft-rock roadways in kilometer-deep coal mines are often damaged by large deformation and have to be periodically expanded and repaired, which seriously restricts the safe and efficient production of coal mines. …”
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    Article
  6. 786

    Research on Optimization of a Solid Filling Mining Face Layout Based on a Combined Clamped Beam Model by Zhi-Yong Fu, Xu-Fei Gong, Peng-Fei Zhang, Cun-Wen Wang

    Published 2021-01-01
    “…Optimizing the mining scheme is an essential work for improving recovery efficiency of filling mining. …”
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  7. 787

    Experiment on Mine Ground Pressure of Stiff Coal-Pillar Entry Retaining under the Activation Condition of Hard Roof by Wen-long Shen, Wen-bing Guo, Hua Nan, Chun Wang, Yi Tan, Fa-qiang Su

    Published 2018-01-01
    “…In mining excavation, the retained entry with stiff coal pillar is situated in the strong mine ground pressure. …”
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    Article
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  10. 790

    Modified Stochastic Petri Net-Based Modeling and Optimization of Emergency Rescue Processes during Coal Mine Accidents by Xiao Li, Yongkui Shi, Zaiyong Wang, Wenquan Zhang

    Published 2021-01-01
    “…The coal mine accidents seriously affect the safety and efficiency of mining for coal mining enterprises. …”
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    Article
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  14. 794

    Investigation of the Optimization of Unloading Mining Scheme in Large Deep Deposit Based on Vague Set Theory and Its Application by Jia Sheng, Wen Wan, Dongrui Liu, Feifei Jiang, Xiangdong Li, Haiyun Zhang

    Published 2021-01-01
    “…With the development of shallow surface mineral resources in metal mines, it is gradually turning to the stage of deep mining. …”
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  15. 795

    Study on the Retention of Large Mining Height and Small Coal Pillar under Thick and Hard Roof of Bayangaole Coal by Shankun Zhao, Jianping Zuo, Lei Liu, Kaijun Wu

    Published 2021-01-01
    “…The coal pillar stress distribution at the 311102 working face in the Bayangaole Mine is analyzed and revealed. In addition, borehole stressmeter, PASSAT monitoring system, and numerical modelling are fully utilized. …”
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    Article
  16. 796

    Research on Arch Model and Numerical Simulation of Critical Water and Sand Inrush in Coal Mine near Unconsolidated Layers by Guibin Zhang, Wenquan Zhang, Hailong Wang, Siwen Cao, Yuliang Wu, Zaiyong Wang

    Published 2020-01-01
    “…With the continuous increase of the upper limit of coal mining, in mining areas near unconsolidated layers, water and sand inrush disasters occur from time to time, seriously threatening the safety of mine production. …”
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    Article
  17. 797
  18. 798

    Characteristics of Water Pollution and Evaluation of Water Quality in Subsidence Water Bodies in Huainan Coal Mining Areas, China by Xinyue Deng, Guangzhou Chen

    Published 2022-01-01
    “…The subsidence water bodies in coal mining areas are vulnerable to being polluted by the surrounding mining production wastewater, domestic sewage, and agricultural return flow. …”
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  19. 799

    Factors affecting cadmium toxicity to rice germinated in soils collected from downstream areas of abandoned zinc mines by P. Chanpiwat, A. Numprasanthai

    Published 2024-01-01
    “…BACKGROUND AND OBJECTIVES: Cadmium contamination in rice grains with a maximum concentration 19 times the national food standard at sites downstream of zinc mines in Thailand has been reported since 2005. These cultivated rice grains are consumed by local residents and have increased the risk of renal dysfunction in residents. …”
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    Article
  20. 800

    Research on Cold-Energy Loss of Long-Distance Sleeve-Type Insulated Pipe for High-Temperature Deep Mines by Lijuan Zhang, Wenlong Wang, Fengtian Yue, Jingsheng Wei, Tao Gao, Yangjie Wang, Yang Zhou

    Published 2025-01-01
    “…As mining operations extend to greater depths, they encounter critical challenges, including increased distances and substantial energy losses. …”
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    Article