Results 11 to 20 of about 4,130 (213)
X-ray transmission intelligent coal-gangue recognition method
Gong-kuang zidonghua, 2022 The coal-gangue image recognition is an important part of coal-gangue separation technology based on pseudo dual energy X-ray transmission (XRT). However, it is difficult to segment the coal-gangue image due to the close proximity or occlusion of coal ...
WANG Wenxin +4 more
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Experimental study on microwave propagation characteristics of different coal-gangue mixtures [PDF]
Meitan kexue jishu, 2023 The problem of coal-gangue identification is one of the technical problems that have not been effectively solved for a long time in the coal industry. By analyzing the characteristics and limitations of existing coal-gangue identification methods, the ...
Lei SI +5 more
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Study on the Failure Characteristics of Coal Wall Spalling in Thick Coal Seam with Gangue
Advances in Civil Engineering, 2020 Coal wall spalling is one of the main factors restricting the safe and efficient mining of thick coal seam, and the gangue has an important impact on the coal wall spalling.
Guosheng Li +3 more
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Mechanism on Activation of Coal Gangue Admixture
Advances in Civil Engineering, 2021 Coal gangue, an industrial waste, is rich in silicon and aluminum phase and may be used as a mineral admixture in concrete after moderately stimulating activity, allowing for efficient solid waste utilization. This study used a mortar strength and activity evaluation method to investigate single or compound activation methods to find the optimum ...
Jixi Chen +3 more
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Experimental Study on Dynamic Mechanical Properties of Coal Gangue Concrete
Advances in Materials Science and Engineering, 2020 In order to study the static and dynamic mechanical characteristics of the coal gangue concrete used in the mine support structure, the compressive strength test, the drop weight impact test, and the Split Hopkinson Pressure Bar (SHPB) test were ...
Zhishu Yao +4 more
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Application and prospect of coal gangue slurry filling technology [PDF]
Meitan kexue jishuIn order to realize in-situ, green and large-scale disposal of coal gangue, coal gangue slurry filling technology, as a new filling technology, has been rapidly developed and applied in recent years.
Lei ZHU +6 more
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Coal gangue recognition based on spectral imaging combined with XGBoost.
PLoS ONE, 2023 The identification of coal gangue is of great significance for its intelligent separation. To overcome the interference of visible light, we propose coal gangue recognition based on multispectral imaging and Extreme Gradient Boosting (XGBoost).
Minghao Zhou, Wenhao Lai
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On the academic ideology of “Sorting the gangue is sorting the images” [PDF]
Meitan kexue jishuCoal gangue sorting is the most basic, effective, and important technical measure to improve coal quality. Improving the accuracy and efficiency of coal gangue sorting is a serious challenge faced by coal gangue sorting.
Hongwei MA +7 more
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Coal Gangue Target Detection Based on Improved YOLOv5s
Applied Sciences, 2023 Coal gangue sorting is a necessary process in coal mine production, and removing gangue is the basis for the coal production of clean energy; it is also an important approach to reduce the cost of washing, improve the grade of finished coal and increase ...
Shuxia Wang +4 more
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Advances in research on technologies for large-scale coal gangue utilization for green mine construction [PDF]
Meitian dizhi yu kantanBackgroundThe coal gangue, a solid waste, features high production and a continuous increase in the amount piled in China. The long-term piling up of coal gangue will cause the waste of land resources and environmental pollution in mining areas.
Quanlin SHI +4 more
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