EcoEnergyA bimetallic NiAg alloy is assembled on the surface of Zn3In2S6 to construct a NiAg‐Zn3In2S6 composite using a chemical reduction method. By adjusting the different alloy ratios, the hydrogen evolution activity of the optimum Ni0.25Ag0.75‐Zn3In2S6 ...
Zhihui Yang +4 more
doaj +2 more sources
Impact of root exudates on soil reconstruction and bacterial community resumption in open-pit coal mines [PDF]
Frontiers in MicrobiologyXiongwen Chen +2 more
exaly +2 more sources
Study on Optimization of Coal Truck Flow in Open‐Pit Mine [PDF]
Advances in Civil Engineering, 2020 A semicontinuous process system consisting of a single‐bucket excavator, truck, crushing station, and belt conveyor is the main coal mining process system of a large‐scale hard coal open‐pit mine. Through analyzing the coal mining production process, the key issues of coal mining truck flow optimization are obtained.
Haiming Bao, Ruixin Zhang
openaire +4 more sources
Landslide mechanism and stability of an open-pit slope: The Manglai open-pit coal mine
Frontiers in Earth Science, 2022 Abstract A clear understanding of landslide mechanisms and stability analyses is of great significance for landslide monitoring, prediction, and control. A large-scale end wall landslide occurred on August 7–20, 2020, in the Manglai open-pit coal mine, China.
Tao Chen +3 more
openaire +3 more sources
Analysis of development situation and countermeasures of high quality safety in open-pit coal mines
Meikuang Anquan, 2022 In order to further promote the development of open-pit coal mines with high quality and safety, increase the proportion of open-pit coal output, and enhance the overall level of safety production in China’s coal mines, the analysis of the development ...
ZHAO Hao
doaj +1 more source
Platform Design and Key Technology Application of Autonomous Haulage System in Open-pit Coal Mines
Kongzhi Yu Xinxi Jishu, 2022 In view of the problems of high-cost, high-risk and low efficiency existing in the transportation system of open-pit coal mines, this paper puts forward a platform construction idea of deep integration of information technology and mining technology, and
HE Aiping
doaj +3 more sources
Impact of Coal Mining on the Moisture Movement in a Vadose Zone in Open-pit Mine Areas [PDF]
Sustainability, 2021 Long-term dewatering of groundwater is a necessary operation for mining safety in open-pit coal mines, while extensive dewatering might cause ecological problems due to dramatical changes of moisture movement in the soil, especially in ecological-fragile areas.
Huiqin Lian +4 more
openaire +1 more source
Geofluids, 2021 This study presents different land saving and loss reducing schemes. Comprehensively compare the economic benefits of the schemes. It is shown that the optimal scheme can recover tons of coal resources on the south slope, creating significant economic ...
Tongsuo Guo +9 more
doaj +1 more source
Discussion on the stability evaluation standard of a rock slope in a noncoal open-pit mine
工程科学学报, 2022 As an important way to obtain mineral resources, open-pit mining has accounted for about 77% of the total production of the mined iron ore, and about 52% of the total production of non-ferrous ore, indicating huge development potential.
Shun-chuan WU +5 more
doaj +1 more source
Effect of Coalbed Methane Well Fracturing on Slope Stability of Open‐Pit Coal Mine: A Case Study of Shengli East No. 2 Open‐Pit Coal Mine [PDF]
Advances in Civil Engineering, 2020 The impact of hydraulic fracture from CBM well fracturing on slope stability of the Shengli East No. 2 open‐pit coal mine is analyzed by numerical simulation and limit equilibrium methods. The interference effect of coalbed methane (CBM) well fracturing on slope stability of the open‐pit coal mine promotes the coordinated development of CBM, and open ...
Qingzhong Zhu +7 more
openaire +2 more sources