Zobrazeno 1 - 10
of 66
pro vyhledávání: '"Baiyi Li"'
Publikováno v:
Meikuang Anquan, Vol 55, Iss 8, Pp 88-96 (2024)
The phenomenon of spontaneous combustion of coal left in the goaf directly affects the safe and efficient mining of coal mines, and the use of plugging materials to close the air leakage channel is an effective method to solve the problem of spontane
Externí odkaz:
https://doaj.org/article/56ea0ea9262e4976abef62cdaeeb0bc6
Publikováno v:
Meitan xuebao, Vol 49, Iss 1, Pp 36-46 (2024)
Safe, high-efficient, green and low-carbon mining is an eternal theme of coal mines. Near zero rock burst, near zero ecological damage and low-carbon, zero-carbon and carbon-negative green mining will become new requirements to ensure China's energy
Externí odkaz:
https://doaj.org/article/50eb2da7dba141d7b8f892e09c738fd8
Publikováno v:
Applied Sciences, Vol 14, Iss 14, p 6141 (2024)
According to this study’s findings, slope stability problems in open-pit coal mines can be avoided, and mine wall collapse can be effectively mitigated by the use of cut-and-backfill mining techniques. The main research results are as follows: (1)
Externí odkaz:
https://doaj.org/article/2f00e1cef3f148f595fcfaf7a946c97d
Publikováno v:
Energies, Vol 17, Iss 5, p 1168 (2024)
Mine heat hazards have resulted in large amounts of high-quality coal resources in deep that cannot be mined. The mining industry is paying more and more attention to the extraction and utilization of geothermal energy in mines, while at the same tim
Externí odkaz:
https://doaj.org/article/327848b4417f4955a43b8ef1d7b9fe0a
Publikováno v:
Journal of Materials Research and Technology, Vol 16, Iss , Pp 1792-1802 (2022)
Gangue-cemented paste backfill is one kind of paste backfill that is composed of cement, fly ash, and gangue, which is widely used in mining operation for controlling the strata movement and guaranteeing the safety of workplace. The knowledge of ther
Externí odkaz:
https://doaj.org/article/9edeee1f851c464aa8d408728317d6ec
Publikováno v:
Applied Sciences, Vol 13, Iss 19, p 10567 (2023)
Path planning is crucial in the automatic navigation of USVs (unmanned underwater vehicles), which directly affects the operational efficiency and safety of USVs. In this paper, we propose a path-planning algorithm based on DDPG (Deep Deterministic P
Externí odkaz:
https://doaj.org/article/3ec7e73fc77447fb9f7348a11307a99b
Publikováno v:
Agriculture, Vol 13, Iss 7, p 1450 (2023)
Economic profit-driven food adulteration has become widespread in the dairy industry. One of the most common forms of dairy adulteration is the substitution of low-priced milk for high-priced milk. This has prompted regulatory authorities to focus on
Externí odkaz:
https://doaj.org/article/4493b5937fa1427182446aab9745a384
Publikováno v:
Energy and Built Environment, Vol 1, Iss 3, Pp 327-336 (2020)
With the continuous deepening of China's rural construction and development, people's living conditions are improved day by day, while accompanied by energy and environment crisis issues. This paper mainly analyzes the energy consumption pattern and
Externí odkaz:
https://doaj.org/article/b42f07879f6d406bb1684ca1117f700b
Publikováno v:
Fire, Vol 6, Iss 3, p 92 (2023)
Fully or partially sealing the openings of tunnels to accelerate the self-extinction of fires provides a promising firefighting tactic to beat large fires in a long tunnel. So far, most experimental studies on the characteristics of fire with differe
Externí odkaz:
https://doaj.org/article/a9f9c7df7efc4dc09fa20741b7b64733
Publikováno v:
Foods, Vol 12, Iss 3, p 681 (2023)
Heavy metal(loid)s pollution in farmland soil is not only a serious environmental but also a human health-related issue. Accurate understanding and evaluation of heavy metal pollution levels in the soil are very important for sustainable agricultural
Externí odkaz:
https://doaj.org/article/24298684fad9495b90cfb298ef4859bd