Results 41 to 50 of about 63,148 (319)
Geofluids, 2022 The gob-side roadway technology is widely used in coal mining in China, as it can improves the recovery rate of coal resources and alleviate the shortage of mining replacement.
Houqiang Yang +8 more
doaj +1 more source
Mechanical properties and energy evolutions of burst-prone coal samples with holes and fillings
International Journal of Coal Science & TechnologyDuring the mining process of impact-prone coal seams, drilling pressure relief can reduce the impact propensity of the coal seam, but it also reduces the integrity and strength of the coal mass at the side of the roadway.
Yukai Fu +5 more
doaj +1 more source
Geofluids, 2022 In order to avoid the problem of repeated repair of roadways in the upper mining area of upward mining in the integrated mine, taking the roadways in the 302 mining area of Shancheng Coal Mine as the research object, the failure characteristics of ...
Fengfeng Wu +5 more
doaj +1 more source
Advanced Sustainable Systems, EarlyView.This study explores microalgae cultivation for wastewater treatment and enhancement of poly lactic acid (PLA)‐based biocomposites. It achieves up to 99.9% nutrient removal, increases biomass productivity by 322%, and demonstrates a triphasic luxury phosphorus uptake system. Incorporation into PLA improves fire‐retardant properties, suggesting potential
Rohit Dey +9 more
wiley +1 more source
Advances in Polymer TechnologyTo improve the deteriorated performance caused by CO2 release during the curing process of traditional moisture-crosslinked polyurethane or polyurea and poor flame retardancy, this work realized an effective in situ crosslinking technique triggered by ...
Zongke He +6 more
doaj +1 more source
Application of Homogenized Load-Bearing Ring Hypothesis in Roadway Supporting
Shock and Vibration, 2022 Artificial support system takes advantages of self-bearing capacity of surrounding rock mass in roadway support, which is one of the important supporting ideas in modern times.
Quntao Zhang +9 more
doaj +1 more source
Local amplification of deep mining induced vibrations - Part.2: Simulation of the ground motion in a coal basin [PDF]
Soil Dynamics and Earthquake Engineering 30, 10 (2010) 947-957, 2010 This work investigates the impact of deep coal mining induced vibrations on surface constructions using numerical tools. An experimental study of the geological site amplification and of its influence on mining induced vibrations has already been published in a previous paper (Part 1: Experimental evidence for site effects in a coal basin ...
arxiv +1 more source
Advancements in Biochar as a Sustainable Adsorbent for Water Pollution Mitigation
Advanced Science, EarlyView.Biochar, obtained through pyrolysis of organic waste, serves as a sustainable solution for wastewater treatment due to its adaptability and low‐cost nature. This review comprehensively examines recent advancements in biochar production, functional modifications, and applications, highlighting the integration of machine learning and artificial ...
Devika Laishram +3 more
wiley +1 more source
When Mining Electric Locomotives Meet Reinforcement Learning [PDF]
arXiv, 2023 As the most important auxiliary transportation equipment in coal mines, mining electric locomotives are mostly operated manually at present. However, due to the complex and ever-changing coal mine environment, electric locomotive safety accidents occur frequently these years.
arxiv
Annals of Coal Mining and the Coal Trade [PDF]
Nature, 1899 THE scientific study of any art or industry demands, almost as a matter of necessity, that its history should not be neglected, for it is only when its mode of evolution has been clearly traced that the principles upon which it depends can be thoroughly understood.
openaire +3 more sources