Results 61 to 70 of about 1,583 (195)
Lead, zinc and copper mineralisation in basal Carboniferous sediments at Westwater, south Scotland [PDF]
, 1977 A zioneo f lead, zinc and copperm ineralisatioins developedo ver a minimum I of 4 km of strikeo f basal Carboniferoucse mentstoneg roup sedimentsa nd immediatelyu nderlyingB irrenswarkL avas atwestwater,n ear Laqholm in south Scotland.
Davies, A. +5 more
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Research on coal gangue recognition algorithm based on HGTC-YOLOv8n model
Gong-kuang zidonghuaThe existing deep learning based coal gangue recognition methods have problems in complex working conditions such as low lighting, high noise, and motion blur in coal mines, such as low precision of coal gangue recognition, easy omission of small target ...
TENG Wenxiang, WANG Cheng, FEI Shuhui
doaj +1 more source
A mineral reconnaissance of the Dent-Ingleton area of the Askrigg block, northern England [PDF]
, 1983 The western margin of the Askrigg Block has been investigated by regional geochemical reconnaissance. This took the form of a drainage basin survey with the collection of stream sediments (306 samples), panned concentrates (149 samples), and waters ...
Bateson, J.H., Johnson, C.C.
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Book reviews and Book notice [PDF]
, 1968 Book reviews and Book notice from Volume 2, Number 2, 1968 of Earth Science ...
Waikato Geological Society
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Automatic Annotation Method of Gangue Data Based on Digital Image Processing [PDF]
An automatic annotation method of coal gangue image data based on X-ray acquisition is proposed. Firstly, the manually screened coal and gangue are sent to the X-ray acquisition device for image sampling. Secondly, according to the characteristics of the
Cheng, Gang +5 more
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Extraction method of texture feature of images of coal and gangue
Gong-kuang zidonghua, 2017 In view of problems of less extraction feature parameters and low recognition precision existed in image processing methods of coal and gangue, an extraction method of texture feature of images of coal and gangue fused with local binary pattern and gray ...
MI Qiang, XU Yan, LIU Bin, XU Yunjie
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Image recognition method of coal gangue in complex working conditions based on CES-YOLO algorithm [PDF]
Aiming at the complex working conditions environmental factors such as high noise, low illumination, motion blur and mass gangue mixing in coal mines, which lead to the problems of misdetection, omission and low detection accuracy in gangue recognition ...
Deyong LI +4 more
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Accurate identification method of coal and gangue based on geometric feature constraints by DE-XRT
Meitan kexue jishuThe dual energy X-ray transmission identification of coal gangue still faces challenges in thickness, hardening, afterglow, and fan-shaped effects, among which the parameters for 5-150 mm wide thickness coal gangue separation fluctuate significantly and ...
Lei HE +6 more
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Shock and Vibration, 2023 The broken top coal and gangue in the fully mechanized cave mining will be released from the rear of the hydraulic support in the form of bulk. In this process, the medium properties through the coal opening can be judged by monitoring the vibration ...
Lirong Wan +5 more
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Research on coal gangue recognition method based on infrared thermal imaging
Gong-kuang zidonghuaCoal and gangue sorting methods based on heavy-medium coal selection technology, jigging technology, flotation technology, dry coal selection technology and γ-ray detection method have high investment costs, low sorting efficiency and serious ...
CHENG Gang +3 more
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