Showing 541 - 560 results of 4,780 for search '"mining"', query time: 0.10s Refine Results
  1. 541

    Migration Characteristics of Boring Mud in Roadway Floor Anchor Wire Hole and Test in Coal Mine by Hui Zhang, Weihai Han, Youlin Xu, Mengzhi Zhu, Zhanyang Liu, Zhenfeng Wang

    Published 2021-01-01
    “…Given the difficulty in drilling the anchor holes in the roadway floor of the coal mine, the characteristics of slag movement in the process of positive and negative circulation drilling are analyzed. …”
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    Article
  2. 542

    Hydrilla leaf mining flies (unofficial common name) Hydrellia spp. (Insecta: Diptera: Ephydridae) by Emma Weeks, James Cuda

    Published 2014-08-01
    “…EENY590/IN1034: Hydrilla Leaf Mining Flies (unofficial common name) Hydrellia spp. …”
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    Article
  3. 543

    Method and Realization of Efficient Extraction of Basic Geological Data from Two-Dimensional Mine Drawings by Xiaobo Lin

    Published 2021-01-01
    “…Based on the current working mode and information level in mining geology at coal mines, this paper proposes a process of building basic geological database for modeling of coal mines by using existing results’ data of mining geology and develops the efficient program for getting the basic geological data from the important 2D plane drawings’ achievement at mines, such as the contour maps of mine coal seam floors, geological cross-sections, underground drilling results, and geological survey results, based on AutoLISP, which is a programming language for the secondary development of AutoCAD. …”
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    Article
  4. 544
  5. 545

    Landscape Transformations (1987–2022): Analyzing Spatial Changes Driven by Mining Activities in Ayapel, Colombia by Juan David Pérez-Aristizábal, Oscar Puerta-Avilés, Juan Jiménez-Caldera, Andrés Caballero-Calvo

    Published 2025-01-01
    “…Gold mining is an activity that has developed in Colombia due to the great availability of mineral resources geographically distributed throughout the territory. …”
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    Article
  6. 546

    Evaluation and prediction of coal seam mining mode: Coefficient of Variation-TOPSIS and CNN-NGO methods by Haixiong Li, Fei Wang

    Published 2025-01-01
    “…Selecting the appropriate method for coal seam mining is the foremost task for the safe and efficient production of coal mines. …”
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    Article
  7. 547

    Coal mining-induced composite damage to geological bodies and geological guarantee against damage reduction by Shuangming WANG, Qiang SUN, Xin HU, Jishi GENG, Enke HOU, Shengquan WANG, Shutao ZHOU, Qingmin SHI, Shihao YUAN, Kai CHEN, Shijie SONG

    Published 2025-01-01
    “…Objective and Background Coals have long served as a predominant energy source in China. With an increase in mining scale and intensity in recent years, the correlations between rocks, soils, hydrosphere, and ecological environment in coal mining areas have been strengthened. …”
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    Article
  8. 548

    An Improved Pearson’s Correlation Proximity-Based Hierarchical Clustering for Mining Biological Association between Genes by P. M. Booma, S. Prabhakaran, R. Dhanalakshmi

    Published 2014-01-01
    “…Heuristic search identifies and mines the best biological solution, but the association process was not efficiently addressed. …”
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    Article
  9. 549

    K-Means Cluster for Seismicity Partitioning and Geological Structure Interpretation, with Application to the Yongshaba Mine (China) by Xueyi Shang, Xibing Li, A. Morales-Esteban, Longjun Dong, Kang Peng

    Published 2017-01-01
    “…In conclusion, the K-Means cluster provides an effective way for mine seismicity partitioning, geological structure interpretation, and seismic hazard assessment.…”
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    Article
  10. 550

    Data mining and socio-spatial patterns of COVID-19: geo-prevention keys for tackling the pandemic by Olga De Cos Guerra, Valentín Castillo Salcines, David Cantarero Prieto

    Published 2021-12-01
    “…To that end the research is based on data mining methods (3D bins and emerging hot-spots) and exploratory geo-statistical analysis (Global Moran’s Index, Nearest Neighbourhood and Ordinary Least Square analyses, among others). …”
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    Article
  11. 551

    MINERALOGY OF APATITE-AEGIRINE-MESOPERTHITE PEGMATITES OF MINE NO. 243 OF THE ILMENY STATE RESERVE (SOUTH URALS) by E.P. Makagonov, S.А. Repina, M.A. Rassomakhin

    Published 2023-06-01
    “…Two pegmatite veins are exposed by mines. The pegmatites differ from the known veins of the Ilmeny State Reserve in a high amount of apatite and the presence of the best collection aegirine druses. …”
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    Article
  12. 552

    Deteriorated and Dislocated Multiple Organizational Relationships: An Investigation of Chinese Rock Burst Prone Coal Mines by Shuai Han, Izhar Mithal Jiskani, Yue Li, Zhen Liu, Jueli Yin

    Published 2021-01-01
    “…This study explores the multiple organizational relationships between frontline miners, managers, and supervisors to reveal the human organizational risks of coal mine safety and health management. Data were collected from six high-risk rock burst underground mining companies operating in western, central, north-eastern, and south-eastern regions of China. …”
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    Article
  13. 553

    Research on Path Planning Method of Coal Mine Robot to Avoid Obstacle in Gas Distribution Area by Ruiqing Mao, Xiliang Ma

    Published 2016-01-01
    “…As the explosion-proof safety level of a coal mine robot has not yet reached the level of intrinsic safety “ia” and it cannot work in a dangerous gas distribution area, therefore, path planning methods for coal mine robot to avoid the dangerous area of gas are necessary. …”
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  14. 554
  15. 555

    Impact of Small-Scale Mining Activities on Physicochemical Properties of Soils in Dunkwa East Municipality of Ghana by Paul K. Essandoh, Mohammed Takase, Isaac Mbir Bryant

    Published 2021-01-01
    “…The quality of soils in rehabilitated small-scale mined sites needs thorough investigation since a lot of changes do occur. …”
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    Article
  16. 556

    The Use of the Direct Optimized Probabilistic Calculation Method in Design of Bolt Reinforcement for Underground and Mining Workings by Martin Krejsa, Petr Janas, Işık Yilmaz, Marian Marschalko, Tomas Bouchal

    Published 2013-01-01
    “…A very good sphere of application for DOProC is the assessment of the bolt reinforcement in the underground and mining workings. For the purposes above, a special software application—“Anchor”—has been developed.…”
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    Article
  17. 557

    Stability of the Evolutionary Game System and Control Strategies of Behavior Instability in Coal Mine Safety Management by Xinhua Wang, Rongwu Lu, Hao Yu, Dan Li

    Published 2019-01-01
    “…In this paper, we try to find the right control method for the game behavior instability in coal mine safety management. Through the analysis and comparison of the system stability with inflexible and flexible costs and penalties, it can be concluded that the dynamical game system with flexible costs (incentive rewards) and flexible penalty mechanism can significantly reduce the dynamics of unsafe behaviors in coal mine safety supervision. …”
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  18. 558
  19. 559

    Estimation and evaluation of iron reserves in the eastern area of Eileh1 mine, Razavi Khorasan province by Hamid Esmati Daroneh, Maryam Gholamzadeh

    Published 2024-12-01
    “…The studied area is part of the Eileh 1 iron ore mine complex, located 49 km southwest of Taibad city in Razavi Khorasan province, covering an area of 240 hectares. …”
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  20. 560

    Synthesis and Properties of a Reinforcing Dust-Cementing Material for Thin Spray-On Liners in Mine Roadways by Gang Zhou, Shuailong Li, Yunlong Ma, Jianfei Ding, Mingguang Zhang

    Published 2019-01-01
    “…The sprayed concrete in mine roadways suffers from a prolonged exposure to the harsh environment in the underground mine, leading to its detachment which may compromise its supporting strength. …”
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    Article