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Signal Game Analysis on the Effectiveness of Coal Mine Safety Supervision Based on the Affective Events Theory
Published 2020-01-01“…The main cause of coal mine safety accidents is the unsafe behavior of miners who are affected by their emotional state. …”
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102
Water Supply and Regulation of Underground Reservoir in Coal Mine considering Coal-Water Occurrence Relationship
Published 2022-01-01“…Water supply prediction and control is one of the key issues in exploitation of coal mine underground reservoirs (CMUR). In order to investigate the water supply for underground reservoirs in coal mines, the aquifers were classified into three types (types I, II, and III) according to the relative location of aquifers. …”
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103
Accumulation effect of soil aggregate organic carbon in mixed forest in open-pit coal mine
Published 2024-12-01Subjects: Get full text
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104
Application Research on Testing Efficiency of Main Drainage Pump in Coal Mine Using Thermodynamic Theories
Published 2017-01-01“…But there are some defects in this kind of method of underground coal mine. This paper first introduces the principle of testing the main drainage pump efficiency in coal mine using thermodynamic theories, then analyzes the energy transformation during the process of draining water, and finally derives the calculation formulae of the pump efficiency, which meet the on-site precision of engineering. …”
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105
Multidirectional Anisotropic Total Variation and Its Application in the Tomography of the Surrounding Rock of Coal Mining Faces
Published 2021-01-01“…The surrounding rock of coal mining faces uses principles of tomography similar to those of medical X-rays. …”
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106
Sakhalin coal mines as factor in development of Russian Far East. The second half of XIX c.
Published 2018-04-01Subjects: “…coal mines…”
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107
Identification of Mine Water Inrush Source Based on PCA-FDA: Xiandewang Coal Mine Case
Published 2020-01-01“…The model was used to identify the water inrush source of 14 groups of training samples and 12 groups of samples to be judged in different water sources of the Xiandewang coal mine, and it was compared with the results of the conventional identification model which used the FDA method. …”
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108
RESEARCH IN THE FIELD OF TECHNICAL EXPERTISE AND TRACK REHABILITATION FOR A COAL MINING MACHINE TYPE M4A T2052-78
Published 2023-05-01Subjects: Get full text
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109
Textual knowledge entity extraction of hidden dangers in coal mine accidents based on probabilistic fusion algorithm
Published 2024-12-01Subjects: “…hidden dangers in coal mine accidents…”
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110
Safe Separation of the Low-Concentration and Oxygen-Bearing Coal Mine Methane by Vacuum Pressure Swing Adsorption
Published 2014-08-01“…Pressure swing adsorption (PSA) is a suitable method to enrich the concentration of methane in coal mine methane (CMM) separation processes. However, traditional PSA processes for low-concentration CMM can easily increase the concentration of methane to explosive limits, which subsequently increases the risk of explosion. …”
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111
Experimental Investigation on the Mixture Ratio and Diffusion Performance of Grouting Materials for Water Bursting Prevention in Coal Mines
Published 2021-01-01“…Grouting is a common and important technique for water bursting prevention in coal mines; the success of grouting in coal mines depends highly on the flowability of grouting materials and the strength of the hardened body as well. …”
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112
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The Value of a Hole in Coal: Assessment of Seasonal Thermal Energy Storage and Recovery in Flooded Coal Mines
Published 2022-12-01Subjects: Get full text
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114
Experimental Investigation of Water-Inrush Risk Based on Permeability Evolution in Coal Mine and Backfill Prevention Discussion
Published 2019-01-01“…Induced by coal mining, the fractures constantly occur in geologic strata until failure occurs, which provide channels for water flow. …”
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115
Improving the Stability of Mining Slopes in Tarcha Coal Mine, Southwestern Ethiopian Deposit Through Geometric Adjustments
Published 2024-01-01“…This study aims to assess and enhance the stability of the selected open-pit coal mine quarries through field and laboratory analyses, supported by the limit equilibrium method (LEM) and the finite element method (FEM). …”
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116
Advancements in end treatment techniques and applications of acid mine drainage in coal mines: A research review
Published 2024-12-01“…Consequently, it has emerged as a pervasive environmental predicament in the coal mining process. This review presents an overview of the formation mechanism, detrimental effects, and chemical characteristics of AMD in coal mines. …”
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117
Computer-Integrated Monitoring Technology with Support-Decision of Unauthorized Disturbance of Methane Sensor Functioning for Coal Mines
Published 2024-01-01“…In longwall coal mining, high methane concentrations pose a challenge. …”
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118
Effects of Fine Gangue on Strength, Resistivity, and Microscopic Properties of Cemented Coal Gangue Backfill for Coal Mining
Published 2015-01-01“…The cemented coal gangue backfill (CGB) in coal mining is normally made of gangue (particle size of 0–15 mm), fly ash, cement, and water. …”
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119
Optimum Design of Coal Mine V belt Drive based on Matlab and the Simulation Analysis based on Recurdyn
Published 2015-01-01“…The rationality of optimization design is verified,the reference and basis for the optimization design of the belt of transmission device in coal mine belt conveyor are provided.…”
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120
Vibration and Dynamic Response of Buffering Devices during the Vertical Feeding of Coal Mine Solid Backfill Materials
Published 2018-01-01“…This buffering device was used in Wugou Coal Mine, and the monitoring result shows that the maximum displacement of the buffering device is about 65 mm, which means this device is in a good operating condition.…”
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