Showing 701 - 720 results of 1,037 for search 'mining methods detection', query time: 0.11s Refine Results
  1. 701

    Learning control system of lifting machine motors by V. I. Zimovets, A. S. Chirva, O. I. Marishchenko

    Published 2016-12-01
    “…Process automation control by diagnostic electric motors in operation conditions allows to reduce to a minimum the damage from these consequences due to early detection of defects. The theory of diagnosticof lifting machine motors has not been completely developed yet. …”
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    Quantitative Calculation of Aquifer Water Quantity Using TEM Data by Lanying Huang, Shengdong Liu, Bo Wang, Fubao Zhou

    Published 2017-01-01
    “…Therefore, transient electromagnetic method (TEM) was proposed, and TEM data was processed to detect the water yield property of a targeted layer in coal mine. …”
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  6. 706

    A synergistic PCA and C-A fractal approach for high-precision extraction of mineral alteration anomalies from ASTER remote sensing data by Yidan Zhu, Zhichun Wu

    Published 2025-12-01
    “…This study proposes a method that integrates ASTER image eigenvalue principal component analysis (PCA) with the concentration-area (C-A) fractal model to extract multiple types of alteration anomalies in mining areas. …”
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  7. 707

    Ultrasonic guided wave nondestructive testing of anchorage quality of rebar resin bolt based on EMD-PCA by Kesong Fan, Ao Yan, Shaowei Liu, Can Zhang, Youliang Feng, Mengxiong Fu, Deyin He

    Published 2025-04-01
    “…When defect interfaces approach the distal end of the anchorage, the IMF2 mode derived from EMD decomposition remains effective in extracting wave impedance difference interface reflections, thereby verifying the feasibility of applying the EMD-PCA signal processing method to ultrasonic guided wave nondestructive detection of defects in rebar resin bolts in coal mine tunnels.…”
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  8. 708

    Rare Earth Element Contents and Occurrence Forms in Weathering Crust Ion Adsorption Rare Earth Ore by Xilian XIAO, Min GUO, Xin SHAO, Juanjuan TAN, Lei WANG, Xiaofei QIU

    Published 2024-12-01
    “…ICP-MS was used as the detection method to explore the distribution of the total amount and various REE forms in the samples. …”
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  9. 709

    Genetic K-Means Clustering of Soil Gas Anomalies for High-Enthalpy Geothermal Prospecting: A Multivariate Approach from Southern Tenerife, Canary Islands by Ángel Morales González-Moro, Luca D’Auria, Nemesio M. Pérez Rodríguez

    Published 2025-06-01
    “…Statistical-graphical analysis using the Sinclair method allowed for an objective classification of geochemical anomalies relative to background populations. …”
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    Identification of unknown pollutants in drinking water based on solid-phase extraction and supramolecular solvent extraction by Zixin QIAN, Yuhang CHEN, Chao FENG, Yuanjie LIN, Qian XU, Ziwei LIANG, Xinyu WANG, Dasheng LU, Ping XIAO, Zhijun ZHOU

    Published 2025-07-01
    “…Among these efforts, non-target screening plays a critical role, but its effectiveness is largely constrained by the scope of coverage of sample pre-treatment methods.ObjectiveTo integrate modern chromatography/mass spectrometry techniques with advanced data mining methods to develop a non-discriminatory sample pre-treatment method for comprehensive enrichment of unknown contaminants in drinking water, laying a technical foundation for the discovery and identification of unknown organic hazardous factors in drinking water.MethodsA non-discriminatory pre-treatment method based on supramolecular and solid-phase extraction was developed. …”
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    Geological-engineering integrated reconnaissance survey technology for skylights as a hidden disaster-causing factor by Mintao DONG

    Published 2025-02-01
    “…Since they are hidden and difficult to detect, their distribution in the mining area remains unclear, posing pronounced safety hazards. …”
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  15. 715

    Unlocking Coastal Insights: An Integrated Geophysical Study for Engineering Projects—A Case Study of Thorikos, Attica, Greece by Stavros Karizonis, George Apostolopoulos

    Published 2025-06-01
    “…In this study, the proposed methodology involves the systematic application of geophysical methods (FDEM, 3D GPR, 3D ERT, seismic), starting with a broad-scale survey and then proceeding to a localized exploration, in order to identify lithostratigraphy, bedrock depth, sea water intrusion and detect anthropogenic buried features. …”
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