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ISSN 0253-2336 · Editorial Department of Coal Science and Technology · 1.563 artikel di indeks
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Artikel Jurnal
Discussion on integrated ecological restoration in mining areas
The development of mineral resources has been a fundamental pillar supporting China’s rapid modernization and economic growth. However, this extensive exploitation has concurrently and inevitably induced a series of significant ecological and environmental challenges, including land degradation…
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Artikel Jurnal
Research and application of negative pressure gas extraction technology using L-shaped wells in roof fracture zones: a case study of Weijiadi Coal Mine in Jingyuan Mining Area
L-shaped well extraction in fracture zones is an effective method to reduce gas disasters in coal mine working faces, but it faces significant technical challenges, such as difficulties in selecting layers and locations, and poor stability of horizontal sections. Take the East 1100 working face of…
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Artikel Jurnal
Research progresses on multi-physical field coupling analysis of permanent magnet external rotor mine hoist
The permanent magnet self-driven technology applied to rotating mechanical transmission systems can enhance the energy efficiency and performance of equipment. To enhance the transmission efficiency of small-power asynchronous motor drive systems in existing mine hoists, a permanent magnet external…
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Artikel Jurnal
Characteristics, control strategies, and practices of mining-induced seismicity in Inner Mongolian Mining Areas
China’s coal resource development has rapidly shifted toward the western mining areas with superior resources, during which large-scale and high-intensity mining has induced frequent seismicity of magnitude 2.0 and above. In 2024, Inner Mongolia’s raw coal production ranked first nationwide, but…
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Artikel Jurnal
Accurate prediction method of DE-XRT density of coal gangue based on thickness information
In the field of intelligent coal-gangue sorting, the density prediction of materials with wide thickness and density ranges is significantly challenged by the combined effects of dual-energy X-ray transmission physics, data fusion strategies, and complex material composition, leading to high…
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Artikel Jurnal
Spatial distribution of water and salt in soil layer and microbial remediation effect of reconstructed soil layer in quasi-energy dump site
In order to alleviate the problems of restoration success rate and ecosystem resilience under the condition of water shortage in the dump area in western China, the Zhunneng Heidaigou open-pit mine was selected as the study area, and different soil layer reconstruction methods (three-layer…
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Artikel Jurnal
Current status and future prospects of scraper conveyor lightweight technology
With the continuous expansion of coal mining scale in China, longwall faces are developing toward ultra-long lengths exceeding 600 m. For a 600 m scraper conveyor alone, the combined mass of the chains and scrapers exceeds 200 t, and the power consumption of the chain drive system accounts for…
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Artikel Jurnal
A classification framework for heterogeneous debris structures in post-disaster coal mine roadways
In the aftermath of safety accidents in coal mines, the pervasive phenomenon of roadway collapse and obstruction poses an urgent on-site challenge: namely, the expeditious assessment of the internal structure of heterogeneous debris and the creation of rescue channels. At present, there is a…
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Artikel Jurnal
Controlling factors of coal petrology, coal quality, and coal type characteristics and classification of genesis types of special coal in Ningxia
Promoting the transition of coal resources from fuel to both fuel and raw material, and achieving clean and efficient utilization of coal are crucial approaches to addressing energy, resource, and environmental challenges in the 21st century. Coal quality assessment serves as the foundational work…
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Artikel Jurnal
Research progress on regulation of hydraulic fracture propagation in coal seams
Hydraulic fracturing is the key technology for efficient development of coalbed methane.The distribution and communication of hydraulic fractures directly affect the fracturing effect. The research progress of true triaxial physical experiment, numerical simulation and field engineering test is…
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Artikel Jurnal
Intelligent monitoring and early warning technology and equipment for coal mine outburst hazards based on acoustic electromagnetic gas
Coal and gas outbursts remain one of the major hazards in deep coal mining in China. With increasing mining depth and intensity, the associated influencing factors and their coupling relationships have become increasingly complex, and the combined effects of high in-situ stress, gas pressure, and…
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Artikel Jurnal
Design and experimental study of a tethered self-excavating drilling and coring scheme for lunar deep mining
The development and utilization of lunar mineral resources is an important way to solve the earth’s energy crisis. Drilling and coring, an effective method for lunar section sample collection, is a key prerequisite for accurately identifying the characteristics of lunar resource endowments…
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Artikel Jurnal
Water disaster prevention and control of coal seam mining under thick roof sandstone aquifer: theory and technology
The coal seams in the Huanglong Coalfield are overlain by the thick sandstone aquifer of the Luohe Formation. This aquifer features abundant groundwater reserves and sufficient recharge, leading to severe water inrush hazards from the roof during coal mining. Consequently, the technology for…
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Artikel Jurnal
Research and application progress of key technologies of drilling method for deep and thick water-bearing weakly cemented bedrock in western China
The drilling method has been successfully applied in the shaft construction of deep water-bearing weak cemented bedrock in the west, which shows the development direction of less people, safety, green and intelligent well construction technology. In order to solve the engineering problems of shaft…
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Artikel Jurnal
Multimodal fusion method for foreign object open-set detection in raw coal sorting scenario
In the raw coal sorting process, large gangue blocks, steel wires, woven bags, and other foreign objects are first identified and removed to avoid adverse impacts on subsequent processing stages or the occurrence of safety accidents. Current coal foreign-object detection algorithms are primarily…
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Artikel Jurnal
Research progress and prospects of intelligent dual prevention mechanism for coal and gas outburst
The construction of intelligent mines is driving the transformation of coal mine disaster prevention and control toward intelligent development, under which the prevention and control of coal and gas outburst disasters has become a critical challenge that urgently needs to be addressed in deep…
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Artikel Jurnal
Discussion on twelve points of regulations regarding setting of waterproof coal (rock) pillars in coal mines
“Detailed Rules for Water Prevention and Control in Coal Mines” and “Code for the Setting of Coal Pillars and Coal Mining in Buildings, Water Bodies, Railways and Main Mines” are not only the cornerstone of coal mine water prevention and control work, but also the highest technical standards. Their…
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Artikel Jurnal
Forecasting and exploring innovation pathways for generic technologies in the coal industry
As a foundational technological bedrock spanning the entire coal industry chain, from mining and processing to utilization-common coal technologies represent fundamental, versatile core technologies that underpin the industrial upgrading and high-quality development of the coal sector. They play a…
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Artikel Jurnal
Advances and prospects in coal dust control and explosion prevention technologies
As the dominant energy source in China, coal mining, storage, and transportation continually face prominent occupational health risks and coal dust explosion hazards, which severely constrain the industry’s safety and sustainable development. To achieve the goal of intrinsic safety in coal mine…
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Artikel Jurnal
Research progress on methods for determining the permeability coefficient of coal seams
The permeability coefficient of coal seams serves as a crucial indicator for evaluating the difficulty of gas extraction, the effectiveness of pressure relief in protective layers to enhance permeability, and the severity of coal and gas outburst hazards. This paper briefly reviews the development…
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