Results 1 to 10 of about 1,551 (198)

Blasting ore size detection based on efficient dehazing network and multi-dimensional feature fusion [PDF]

Scientific Reports
Ore particle size distribution is an important metric for evaluating blasting outcomes and affects the energy consumption of ore crushing equipment. Faced with dense accumulation of ore, nonuniform size distributions, dust occlusion, and target loss due ...
Pingfeng Li, Shoudong Xie, Wanzhong Zhang, Deming Chen, Sheng Peng, Weibin Fang, Dehao Zeng   +6 more
doaj   +2 more sources

Monitoring Mining Activities Using Sentinel-1A InSAR Coherence in Open-Pit Coal Mines

Remote Sensing, 2021
Long-term continuous monitoring of the mining activities in open-pit coal mines is conducive to planning and management of the mining operations. Additionally, this faciliatates assessment on their environmental impact and supervises illegal mining ...
Lili Wang, Liao Yang, Weisheng Wang, Baili Chen, Xiaolin Sun   +4 more
doaj   +3 more sources

Dust dispersion and prevention in deep concave open-pit coal mines [PDF]

Scientific Reports
To address dust diffusion in deep concave open-pit coal mines, this study examined Fushun East open-pit coal mine in Liaoning Province, a deep concave open-pit coal mine.
Yifang Long, Ziling Song, Leng Wu, Yu Wen   +3 more
doaj   +2 more sources

Physical and Chemical Characteristics of Explosive Dust at Large Open-Pit Coal Mines in Inner Mongolia, China and Dust Control Research

Atmosphere, 2023
To further promote dust control efforts in Chinese open-pit coal mines, this study focuses on the research of coal dust and rock dust produced by different explosions in the Haerwusu open-pit coal mine in China.
Junlong Yan, Zhiming Wang, Xiang Lu, Yuejinyi Wu, Huaiting Luo, Xin Liu   +5 more
doaj   +3 more sources

Research on Ecological Effect Assessment Method of Ecological Restoration of Open-Pit Coal Mines in Alpine Regions [PDF]

International Journal of Environmental Research and Public Health, 2022
Li Tao
exaly   +2 more sources

Land Use Dynamic Evolution and Driving Factors of Typical Open-Pit Coal Mines in Inner Mongolia [PDF]

International Journal of Environmental Research and Public Health, 2022
Zhenqi Hu, Dazhi Yang, Li Huanhuan
exaly   +2 more sources

Geopolymer-based modification of blasting sealing materials and optimization of blasting block size in coal seams of open pit mines

International Journal of Mining Science and Technology, 2023
This research proposes the utilization of a geopolymer-based blasting sealing material to improve the profitability of coal sales and reduce the rate of coal fragmentation during blasting in open pit mines.
Xiaohua Ding, Zhongchen Ao, Wei Zhou, Hao Qin, Zhongao Yang, Wen An, Xiaoshuang Li, Honglin Liu   +7 more
doaj   +3 more sources

Characteristics of dust pollution and its influencing factors during cold period of open-pit coal mines in northern China

Frontiers in Earth Science
IntroductionWinter dust pollution in China’s northern open-pit coal mines is serious, and the prevention and control of winter dust pollution is one of the important problems in the construction of green mines in northern open-pit coal mines.MethodsIn ...
Heng Wang, Zhiming Wang, Zhiming Wang, Ruixin Wang, Ruixin Wang   +4 more
doaj   +3 more sources

Revealing Long-Term Displacement and Evolution of Open-Pit Coal Mines Using SBAS-InSAR and DS-InSAR

Remote Sensing
Coal mines play an important role in the global energy supply. Monitoring the displacement of open-pit mines is crucial to preventing geological disasters, such as landslides and surface displacement, caused by high-intensity mining activities. In recent
Zechao Bai, Fuquan Zhao, Jiqing Wang, Jun Li, Yanping Wang, Yang Li, Yun Lin, Wenjie Shen   +7 more
doaj   +3 more sources

Investigation on flow field characteristics in an open-pit coal mine [PDF]

Environmental Science and Pollution Research, 2021
Abstract In this paper, the atmospheric flow field characteristics in a deep open-pit mine are investigated numerically and theoretically. A theoretical model on the recirculation length based on the energy equation is used, a total variation diminishing (TVD) difference scheme with second order accuracy is used to solve the NS equations with a
Wanjun, Tang, Fengming, Li, Gaoxiang, Xiang, Mengwei, Liu   +3 more
openaire   +2 more sources