Results 11 to 20 of about 125,081 (265)
Applied Sciences, 2023 Coal fire remains one of the main hazards of underground work. Spontaneous coal fires cause serious casualties and property losses. At present, most of the studies on coal spontaneous combustion have been conducted on working faces shorter than 200 m ...
Shuliang Xie +4 more
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The Significance of Hydrophobicity for the Water Retention Properties of Sand and Coal
Applied Sciences, 2021 For mine wastes such as coal tailings, management of these materials requires complex geotechnical engineering that uses many soil properties, such as water retention.
Andrew Vidler +2 more
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Sensors, 2020 In recent years, the interest in the sorption properties of coal in conditions corresponding to in situ has increased due to the continuous development of research on CO2-ECBM (Enhanced Coal Bed Methane recovery) technology.
Mateusz Kudasik +2 more
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Porosity of Coals and Coal Products [PDF]
, 1978 Different experimental approaches for characterizing porosity of coals and coal products have been described. Results of densities, surface areas and pore volume distributions for coals of different rank and the manner in which they change upon heat treatment have been discussed.
O.P. Mahajan, P.L. Walker
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Selected Aspects of Combustion Optimization of Coal in Power Plants
Energies, 2020 Growing ecological standards force the implementation of solutions that will contribute to reducing greenhouse gas (GHG) emissions to the atmosphere. This is particularly important in Poland, whose energy system is almost 80% based on coal.
Maciej Dzikuć +5 more
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Neurology, 2006 The following operations of Consolidation Coal will work the afternoon shift: the Arkwright Mine, the Osage Mine, the Humphrey Mine, the Pursglove Mine, the Blacksville Number 2 Mine. The message came crackling over the radio in Morgantown. It was broadcast every day, as routine as the notification of school closings after a snowstorm.
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Meitan xuebaoIn view of the problems of strong mine pressure such as rapid shrinkage of hydraulic support column and easy support crushing in working face under the fully mechanized caving face with large mining height in multi-layer thick and hard roof of extra ...
Zhen ZHANG +6 more
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Identifying contaminants of coal-derived inertinite in charcoal briquettes: Preliminary findings of microscopic analysis [PDF]
Journal of Water and Land DevelopmentDespite the widespread popularity of charcoal-based grilling fuels, extensive studies have highlighted various pollutants linked to their production and combustion, posing potential risks to human health and the environment.
Zbigniew Jelonek, Iwona Jelonek
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Research progress on preparation and physicochemical properties of coal-based graphene quantum dots
Meitan kexue jishu, 2023 Graphene quantum dots (GQDs) have attracted great research interest due to their remarkable quantum confinement and edge effects. In addition to exhibiting stable photoluminescence, it also has many advantages such as low cytotoxicity, good solubility ...
Ruifeng MU +5 more
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Meitan xuebaoTo obtain the activity patterns and response characteristics of the overburden strata under different fracturing degrees of the roof, and thereby provide a reference for preventing and controlling roof-dominated rock burst through regional fracturing ...
Jianhong WU +6 more
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