Zobrazeno 1 - 10
of 313
pro vyhledávání: '"Yifeng, He"'
Publikováno v:
Meikuang Anquan, Vol 55, Iss 12, Pp 153-160 (2024)
In order to study the deformation law of roadway roof in the reuse retaining roadway stage of “110” construction method and determine the reasonable roadway support load, and to solve the safety hazards of the reuse of the retained roadway, takin
Externí odkaz:
https://doaj.org/article/a665a15735c34d268c4150fbed0e1828
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-21 (2024)
Abstract To address coal pillar instability, the study focuses on the 3−1 coal seam coal pillar at Nanliang Coal Mine. It analyzes the bending deformation energy of the main roof and the pre-yield elastic energy of the coal pillar’s elastic zone
Externí odkaz:
https://doaj.org/article/272714c89aba436bae332288a40dc37e
Autor:
Jie ZHANG, Jianping SUN, Yifeng HE, Yiming ZHANG, Haibo PANG, Haohao WU, Jianchen ZHANG, Bing PENG
Publikováno v:
Meitan kexue jishu, Vol 52, Iss 8, Pp 11-22 (2024)
In order to explore the influence of the remaining coal pillar in the upper coal seam on the stress of the floor and the reasonable layout of the mining roadway in the lower coal seam, taking Tangshangou Coal Mine as the research object, the theoreti
Externí odkaz:
https://doaj.org/article/978c3f1e9e1e4ccba650140571e558d3
Publikováno v:
Frontiers in Immunology, Vol 15 (2024)
BackgroundThe current landscape of acne therapeutics is notably lacking in targeted treatments, highlighting a critical need for the discovery of new drug targets to improve treatment outcomes.ObjectivesThis study aims to investigate the connections
Externí odkaz:
https://doaj.org/article/6e147a7aa9524fcf81b56273e2d0751b
Publikováno v:
Energy Science & Engineering, Vol 12, Iss 6, Pp 2456-2471 (2024)
Abstract To investigate the significant deformation of the surrounding rock within the dynamic pressure zone of the gateroad, this study utilized the tailgate of the 1506 longwall face in Anyang Coal Mine as the engineering context. A combined approa
Externí odkaz:
https://doaj.org/article/e92f659115cb4c81b9f687ffc7d7de41
Publikováno v:
Remote Sensing, Vol 16, Iss 23, p 4382 (2024)
2D-3D registration is increasingly being applied in various scientific and engineering scenarios. However, due to appearance differences and cross-modal discrepancies, it is demanding for image and point cloud registration methods to establish corres
Externí odkaz:
https://doaj.org/article/c724cda6873742c3a1909670170378fc
Publikováno v:
Applied Sciences, Vol 14, Iss 22, p 10554 (2024)
Given the potential for dynamic load-induced support crushing that may occur during mining under an interval goaf through an isolated coal pillar (ICP) in shallow closely spaced coal seams, this paper systematically explored this issue through a case
Externí odkaz:
https://doaj.org/article/d065ca948b2d49eab7294cb14695695b
Publikováno v:
Applied Sciences, Vol 14, Iss 20, p 9608 (2024)
Shallow coal seam mining results in the formation of various bearing structures in key strata, leading to varying degrees of surface subsidence and severe disruption to the surface ecological environment. To investigate the coupled evolution characte
Externí odkaz:
https://doaj.org/article/60ce88d978c040788d2710dd4e1d6f34
Prediction Modeling of Egg Shelf Life and Storage Time Based on Back Propagation (BP) Neural Network
Publikováno v:
Shipin Kexue, Vol 44, Iss 21, Pp 44-53 (2023)
To investigate the shelf life of eggs from different chicken breeds stored at various temperatures, Haugh unit, air cell depth, yolk index, albumen pH and mass loss of eggs from Jingfen 6 and Hy-Line Grey laying hens stored under refrigerated (4 ℃)
Externí odkaz:
https://doaj.org/article/7a9e4d25826a42f09c0b5ec72575de74
Autor:
Tao Yang, Yiming Zhang, Jie Zhang, Haifei Lin, Ruoyu Bao, Yifeng He, Yihui Yan, Pengkun Luo, Haohao Wu, Jianping Sun, Haibo Pang
Publikováno v:
Applied Sciences, Vol 14, Iss 14, p 6127 (2024)
As the depth of coal seams increases and the demand for coal grows, the deformation and failure of roadways and coal pillars also intensify. To address the instability of roadways, it is crucial to study the appropriate dimensions for coal pillars. T
Externí odkaz:
https://doaj.org/article/db402590d5cf4e4589550563af29a837