Results 111 to 120 of about 9,578 (228)
Study on recognition of coal and gangue based on multimode feature and image fusion
PLoS ONE, 2023 Aiming at the problems of low accuracy of coal gangue recognition and difficult recognition of mixed gangue rate, a coal rock recognition method based on modal fusion of RGB and infrared is proposed. A fully mechanized coal gangue transportation test bed
Lijuan Zhao +6 more
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Air-blowing experiment of coal and gangue
Gong-kuang zidonghua, 2014 The influence of belt speed, air pressure and selection number on the rate of mixed gangue and rate of separated gangue was researched by orthogonal experiment method and using separation device with air-blowing method, and the experiment results were analyzed by regression and variance analysis.
ZHAO Haifang, CHEN Ying
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Interrelationship of hydrology, microbial colonisation and hydrometallurgy in a simulated chalcopyrite heap leach [PDF]
, 2008 Includes bibliographical references (leaves 104-115).Chalcopyrite is the most abundant primary copper sulphide mineral found worldwide. As copper grades of ores available for extraction decrease, heap bioleaching is gaining interest as a potential ...
Spurr, Nicholas Robert Louis
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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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Reduction behaviour in Fastmet(TM) pellets [PDF]
, 1994 Fastmet (TM), a process developed by the Midrex Corporation, produces iron for steelmaking by heating pellets composed of iron oxide and coal. Here we develop several simple models of the reduction process and confirm claims made by the manufacturer ...
McElwain, S., Weber, R.
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Detection of Coal and Gangue Based on Improved YOLOv8
SensorsTo address the lightweight and real-time issues of coal sorting detection, an intelligent detection method for coal and gangue, Our-v8, was proposed based on improved YOLOv8. Images of coal and gangue with different densities under two diverse lighting environments were collected.
Qingliang Zeng +5 more
openaire +3 more sources
Copper mineral occurrences in the Wrangell Mountains-Prince William Sound area, Alaska [PDF]
, 1971 On January 9, 1970, the U.S. Bureau of Mines entered into an agreement with the University of Alaska based upon a proposal submitted by the Mineral Industry Research Laboratory.
Grybeck, D.G., Heiner, L.E., Wolff, E.N.
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Mineral occurrence and acid leaching characteristic of aluminum for coal gangue in Shanxi Province
Meitan kexue jishuShanxi Province, a major coal-producing region in China, generates a substantial amount of industrial waste (such as coal gangue) during coal mining and washing processes.
Longyi ZHAO +6 more
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Dry Beneficiation of High Ash Non-coking Coal Using an Air Dense Medium Fluidized Bed [PDF]
, 2009 In this project, dry beneficiation of high ash non-coking coal has been conducted by air dense medium fluidized bed. For dry separation, creating and sustaining the air dense medium is a complex process which requires intensive investigation. The dynamic
Sahoo, Asish Kumar
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Reduction and Swelling Behaviour of Fired Iron Ore Pellets [PDF]
, 2012 The present project work on “Reduction and Swelling Behaviour of Fired Iron Ore Pellets” was undertaken with a view to promote the effective utilization of iron ore and coal fines in sponge iron making.
Gupta, Mukul, Baghel, Himanshu
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