Zobrazeno 1 - 10
of 306
pro vyhledávání: '"Yifeng He"'
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:
Frontiers in Earth Science, Vol 12 (2024)
Introduction: This study focuses on investigating the characteristics of overburden failure and ground pressure behavior in shallow coal seam mining beneath a gully. The research is conducted at the 135201 working face of Shaliang Coal Mine in the Sh
Externí odkaz:
https://doaj.org/article/182610154656409181b6cfd46dc7af74
Publikováno v:
Meitan kexue jishu, Vol 51, Iss 9, Pp 65-76 (2023)
The high-intensity mining of shallow-buried coal seams leads to the fracture of the bearing strata to form a combined bearing structure, which complicates the distribution of cracks in the overlying rock and causes serious damage to the surface. In o
Externí odkaz:
https://doaj.org/article/d94942a502474f8fba71dff643730f18
Autor:
Ti Yang, Junhao Liu, Fang Liu, Jiashun Lei, Siliang Chen, Zengxin Ma, Peifeng Ke, Qiaolan Yang, Jianfan Wen, Yifeng He, Juan Duan, Xiancheng Zeng
Publikováno v:
Frontiers in Immunology, Vol 14 (2024)
BackgroundHepatocellular carcinoma (HCC) is a malignant tumor with a high rate of recurrence and m metastasis that does not respond well to current therapies and has a very poor prognosis. Disulfidptosis is a novel mode of cell death that has been an
Externí odkaz:
https://doaj.org/article/0e43416867db468fba4d4ef814630f71
Publikováno v:
Meitan kexue jishu, Vol 51, Iss 7, Pp 234-242 (2023)
The roof water inrush of shallow buried coal seam is caused by the water flowing fractured zone through the aquifuge. With the downward mining of coal seam group, the mechanism of synergistic water isolation between soil layer and bedrock layer needs
Externí odkaz:
https://doaj.org/article/912336f514e243ef87ff8577807c1189
Publikováno v:
Energy Science & Engineering, Vol 11, Iss 5, Pp 1630-1642 (2023)
Abstract The large‐scale mining of coal resources promotes the formation of section coal pillar groups between working faces. The overlying strata are supported by coal pillars, which leads to the formation of a unique fracture‐bearing structure
Externí odkaz:
https://doaj.org/article/2ba965028f6d4f1f89f65883f464257c
Autor:
Peijuan Cui, Zhanlin Hou, Luman He, Hui Zheng, Yifeng He, Yuanxun Fan, Linxue An, Yuping Huang
Publikováno v:
Applied Sciences, Vol 14, Iss 7, p 2734 (2024)
Lubricating grease plays an important role in the rolling screw transmission of the actuation system and is particularly concerned with the performance stability of long-term storage in aerospace applications. In this article, a batch of ball screws
Externí odkaz:
https://doaj.org/article/4ac5a84c08344bf18078701e9b7a9d74
Publikováno v:
BioResources, Vol 17, Iss 4, Pp 6411-6444 (2022)
As a traditional nourishing Chinese herbal medicine, Cornus officinalis Sieb. et Zucc. has a long history of application. At present, only the flesh of the fruit of Cornus officinalis is used as a medicine, which wastes a large quantity of ingredient
Externí odkaz:
https://doaj.org/article/28f0c8408ec04cfe83cf77b122d591e5
Publikováno v:
Symmetry, Vol 15, Iss 11, p 2053 (2023)
An oscillator is a key component of a satellite communication measurement and control system, performing symmetry precisely as a time frequency reference. At the same time, the phase noise index has a close coupling relationship with the overall perf
Externí odkaz:
https://doaj.org/article/915b4a27fac24bb8bfdcb0393d2bec39
Autor:
Cheng Li, Haoran Ye, Shengbo Ge, Yuanyuan Yao, Basa Ashok, Natarajan Hariram, Hongtao Liu, Huafeng Tian, Yifeng He, Gaiping Guo, Anumakonda Varada Rajulu
Publikováno v:
Journal of Materials Research and Technology, Vol 19, Iss , Pp 3603-3615 (2022)
Antibacterial materials are preferable for water treatment a medical applications. In the present study, to improve the antimicrobial performance of flexible polyurethane (PU) foams, copper nanoparticles were in situ generated. The Cu nanoparticles w
Externí odkaz:
https://doaj.org/article/f550ddd0031047d4bef14bf9886f3254