Results 21 to 30 of about 324,854 (212)
Meikuang Anquan, 2023 In order to study the characteristics of porosity, permeability and stress sensitivity of middle rank coal reservoir in Tucheng syncline and their influence on coalbed methane exploitation, coal core samples of coal seams 1#, 3#, 5#, 15#, 17#, 291# and ...
TANG Daixue, LOU Yi, FENG Yunfu
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Valuasi Ekonomi Sumberdaya Alam Taman Hutan Raya Bukit Soeharto Di Provinsi Kalimantan Timur [PDF]
, 2011 Bukit Soeharto Forest Park at East Borneo Province has benefits for community in around it, not only direct use (tangible benefit) but also indirect use (intangible benefit). In order to identify the economic value benefit of the forest park, calculation
Putri, E. I. (Eka) +2 more
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矿业科学学报, 2021 The coal power industry, while promoting the national economic and social development of China, also causes environmental pollution, thus threatening the health of employees and nearby residents.In order to evaluate the impact of occupational health ...
Wang Wei +3 more
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Abandonment of land and the Scottish Coal case : was it Unprecedented? [PDF]
, 2018 The support of the Carnegie Trust for the Universities of Scotland in the provision of a research incentive grant that contributed to this note is gratefully acknowledged.Peer ...
Combe, Malcolm, Rudd, Malcolm I.
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Study on the damage law of coal rock affected by different alternating periods of cold and heat
Meitan kexue jishu, 2023 Temperature is an important factor affecting the physical properties of coal and rock, and as a solid medium, coal and rock have the properties of thermal expansion and contraction.
Hewan LI +4 more
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Study on the effect of moisture on mechanical properties and impact energy index of coal
Meikuang Anquan, 2023 Coal destruction is an energy-driven destabilization phenomenon. In order to investigate the effect of moisture on energy accumulation and dissipation during coal destruction, uniaxial compression tests on coal samples with different water content states
ZHANG Junjie, YUAN Xinli, ZHANG Hanqiao, CHEN Yi, HAN Guoqing, NIAN Guoxing
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Study on Evaluation and Prediction of the Degree of Surface Damage Caused by Coal Mining
Frontiers in Earth Science, 2022 Surface damage caused by coal mining is one of the problems perplexing ecological environment restorations in coal mining areas. Accurately evaluating and predicting the degree of surface damage induced by coal mining with reasonable and correct indexes ...
Xiaoshen Xie +12 more
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Meitan xuebaoAbundant coal and coalbed methane resources are endowed in the vast basins of China. Mining disturbance alters the primary stress and fracture fields, thereby impacting the transportation and distribution of coalbed methane as well as gas extraction ...
Tong ZHANG +6 more
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Influence of Incremental Impact on the Damage of Coal-Rock under Unidirectional Constraint
Advances in Civil Engineering, 2019 Taking the briquette sample as research object, the influence of the incremental impulse (momentum) on the damage of coal-rock under different uniaxial axial pressure was studied by using the self-developed pendulum impact dynamic loading test device ...
Hongbao Zhao +4 more
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Meikuang AnquanIn order to study the mechanical properties, damage mechanism, and fractal characteristics of coal under repeated drying saturated conditions, through theoretical analysis and laboratory experiments, repeated non-destructive soaking, ultrasonic velocity ...
Zhengping BAI, Ning WANG
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