Environmental impact and health risk assessment due to coal
2023/9/7 Coal mining and usage significantly contribute to greenhouse gas emissions and air pollution, leading to global climate change and adverse health effects on both nearby احصل على السعر
The future environmental and health impacts of coal
2021/4/1 The future of global coal use is a study in contradictions, although the long-term trajectory signals a decline. In the United States, coal consumption in the last 12 years has احصل على السعر
Temporal and Spatial Analysis of Water Resources
2023/8/27 The activities of coal mining often lead to the formation of underlying runoff areas and have great impacts on both the basin hydrological cycle and water resource management. In order to investigate the changes in احصل على السعر
Strata and surface influence range of deep coal mining for mine
2022/1/22 The history of coal mining around the world has been for hundreds of years, and the long-term, large-scale and high-intensity mining also has lowered the global coal resource احصل على السعر
The Economic and Environmental Effects of Coal
2023/2/16 The positive influence is that coal mining improves the South African economy, expressive of impacts on export, domestic consumption, GDP, and employment. However, coal mining damages the ...احصل على السعر
Distribution Characteristics and Influence Factors of Carbon in Coal ...
2023/4/23 Coal mining subsidence wetlands, as important supplementary resources for wetlands, are of great significance for regulating climate change. This study investigated the احصل على السعر
Influence of Coal Mining on Historical Buildings: Case Study in
2023/1/14 Numerous historical buildings exist in Shanxi Province, a major coal producing area in China, so there exist many overlapping areas between ancient wooden buildings and احصل على السعر
Evolution mechanism of water-conducting fractures in overburden
2024/3/1 Yaoqiao coal mine is located in a complex geological environment, and its unique water-rich fault has provided a significant challenge to the safety of coal mine. Especially احصل على السعر
The future of coal in a carbon-constrained climate
2020/7/27 Despite decades of knowledge about its contribution to climate change, coal combustion still accounts for 40% of global CO 2 emissions from energy use. The power احصل على السعر
Influence of land use change on habitat quality: a case study of coal ...
2024/5/10 Revealing the spatiotemporal evolution characteristics and key driving processes behind the habitat quality is of great significance for the scientific management of احصل على السعر
Influence of coal mining on regional karst groundwater system:
2010/5/29 Holding the drainage rate of coal mining constant at the same level as scenario 0, the influence of coal mining depth on the systemic flow field was analyzed. Taking the احصل على السعر
Determination of the Advanced Mining Influence Range in Coal Mines ...
2024/9/2 Determining the advanced mining influence range of an underground working face is crucial for preventing dynamic disasters, such as coal bursts and gas outbursts. In this احصل على السعر
Influence Mechanism of Mine Pressure on Coal Seam Gas
2022/6/1 Understanding the mechanism of the influence of mine pressure on coal seam gas emission has important theoretical guiding significance for coal mine enterprises to be احصل على السعر
Study on the Influence of Mining Stress on the Sustainable
2024/3/4 According to the observation of mine pressure in the Qinan Coal Mine, the influence range of advance abutment pressure is x 2 = 30 m. Jiang Jinquan et al. pointed out احصل على السعر
Influence Mechanism of Mine Pressure on Coal Seam Gas
2022/2/11 Gas is one of the main factors causing coal mine accidents in China. Understanding the mechanism of the influence of mine pressure on coal seam gas emission احصل على السعر
The influence of mining stress paths on rock damage and
2024/5/8 To explore the stability control mechanism of surrounding rock during coal seam mining, the rock mechanical properties under the mining stress path were studied in this احصل على السعر
Influence Mechanism of Mine Pressure on Coal Seam
2022/6/1 Understanding the mechanism of the influence of mine pressure on coal seam gas emission has important theoretical guiding significance for coal mine enterprises to be able to control gas. This ...احصل على السعر
Study on the Influence of Mining Stress on the
2024/3/4 According to the observation of mine pressure in the Qinan Coal Mine, the influence range of advance abutment pressure is x 2 = 30 m. Jiang Jinquan et al. pointed out that the distance between the peak abutment احصل على السعر
Influence Mechanism of Mine Pressure on Coal Seam Gas
2022/2/11 Gas is one of the main factors causing coal mine accidents in China. Understanding the mechanism of the influence of mine pressure on coal seam gas emission احصل على السعر
The influence of mining stress paths on rock damage and
2024/5/8 To explore the stability control mechanism of surrounding rock during coal seam mining, the rock mechanical properties under the mining stress path were studied in this احصل على السعر
Influence of coupling mechanism of loose layer and fault on multi ...
2023/12/8 Generally, when the coal mining working face is close to a fault, the fault that is initially in equilibrium will produce a series of chain effects under the influence of mining, such احصل على السعر
Influence of Open-Pit Coal Mining on Ground Surface
2022/5/12 The Qinghai-Tibet Plateau (QTP) is the largest mid-to low latitude and high-altitude permafrost. Open-pit coal mining and other activities have caused serious damage to احصل على السعر
Rare earth element behaviors of groundwater in overlying aquifers
2024/1/20 The aquifers in CJT coal mine from new to old consist of Quaternary eolian aquifer (Q 4 eol), An’ding formation (J 2 a), Middle Jurassic Zhi’luo formation (J 2 z), and احصل على السعر
A criterion of rockburst in coal mines considering the influence of ...
2022/1/30 Mining activities are the inducement of rockbursts in coal mines. The mining velocity of working faces is the most important man-made control factor during the mining احصل على السعر
Environmental impact and health risk assessment due to coal mining
2023/9/7 Coal mining and usage significantly contribute to greenhouse gas emissions and air pollution, leading to global climate change and adverse health effects on both nearby احصل على السعر
Influence of magma intrusion on coal geochemical
2024/3/28 The research samples were taken from the N 2 908 mining face of the Daxing coal mine. The N 2 908 mining face is located in the southwest of the North Second Mining احصل على السعر
Influence of coal cowl parameters on the coal loading process of
2024/3/25 The low loading rate of the thin coal seam shearer drum is a severe obstacle to the efficient mining of thin seam resources, and the auxiliary drum loading through the cowl is احصل على السعر
Coal mining - Extraction, Processing, Pollution Britannica
2024/10/11 Coal mining - Extraction, Processing, Pollution: In geologic terms, coal is a sedimentary rock containing a mixture of constituents, mostly of vegetal origin. ... Among the احصل على السعر
Influence of different mining layouts on the mechanical properties of coal
2012/11/1 The whole stress–strain process curves under different mining layouts with different initial confining pressures (buried depth) in Stages 2 and 3 are indexed in Fig. 3, Fig. احصل على السعر
Study on the Mechanism of Progressive Instability of Special
2024/4/1 Coal pillar is a crucial element formed during underground coal mining, playing a significant role in ensuring coal mining operations are conducted safely. Historically, research احصل على السعر
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