Zobrazeno 1 - 10
of 1 595
pro vyhledávání: '"HU He"'
Publikováno v:
Geomechanics and Geophysics for Geo-Energy and Geo-Resources, Vol 10, Iss 1, Pp 1-21 (2024)
Abstract In the realm of deep earth engineering, increasing excavation depths present formidable challenges like heightened ground stress, permeability, temperatures, and disruptive excavation effects, posing significant safety risks. Scholars predom
Externí odkaz:
https://doaj.org/article/b72584a9c7694188943c98ee4b862191
Autor:
Long ZHAO, Wei QIAO, Xianggang CHENG, Hu HE, Xiangsheng MENG, Yusheng ZHANG, Wenjie SUN, Yangyang REN, Chong XIAO
Publikováno v:
Meikuang Anquan, Vol 55, Iss 10, Pp 91-99 (2024)
In previous practice, the differential strain analysis (DSA) method, relied upon for estimating vertical principal stress to resolve geological stress, has shown limitations in reliability. Drawing upon observations of the Kaiser effect in rock sampl
Externí odkaz:
https://doaj.org/article/09a6d21d55594a6a9d54b28c9805edd4
Publikováno v:
International Journal of Mining Science and Technology, Vol 34, Iss 8, Pp 1095-1114 (2024)
Multistage hydraulic fracturing of horizontal wells (MFHW) is a promising technology for controlling coal burst caused by thick and hard roofs in China. However, challenges remain regarding the MFHW control mechanism of coal burst and assessment of t
Externí odkaz:
https://doaj.org/article/837476f7ea694c3191cad8dfcdfb3e78
Autor:
Hao Su, Wenyan Zhou, Weiming Chen, Ke Yang, Meng Yang, Hu He, Cheng Qian, Dongbo Yuan, Kehua Jiang, Jianguo Zhu
Publikováno v:
BMC Urology, Vol 24, Iss 1, Pp 1-11 (2024)
Abstract Background This study investigated the relaxation effect of PGE2 on the ureter and its role in promoting calculi expulsion following calculi development. Methods By using immunofluorescence and Western blot, we were able to locate EP recepto
Externí odkaz:
https://doaj.org/article/18486cd6dc1046c3aa964518e2cac2e9
Publikováno v:
Meikuang Anquan, Vol 55, Iss 5, Pp 19-27 (2024)
With the increase in the depth and intensity of coal mining, some coal mines encounter the dual disaster threat of gas outburst and rockburst, and the composite gas-rockburst disaster has become a scientific and engineering problem that deserves more
Externí odkaz:
https://doaj.org/article/6e9fa9118e4e4ef585dc365eb237ac56
Publikováno v:
Sensors, Vol 24, Iss 23, p 7691 (2024)
Aluminum is extensively utilized in the aerospace, aviation, automotive, and other industries. The presence of surface defects on aluminum has a significant impact on product quality. However, traditional detection methods fail to meet the efficiency
Externí odkaz:
https://doaj.org/article/e935c8e2261944149b244ce90ede39b3
Publikováno v:
Meitan kexue jishu, Vol 52, Iss 1, Pp 84-94 (2024)
The roof breaking movement of steeply inclined and ultra-thick coal seam mining is complex, and the evolution law of stress and energy is special. Under the influence of deep ‘three highs and one disturbance’, the prevention and control of rock b
Externí odkaz:
https://doaj.org/article/4a75b4f08a234019b400f7506380f925
Autor:
Xianggang Cheng, Wei Qiao, Linming Dou, Hu He, Wei Ju, Jinkui Zhang, Shikang Song, Heng Cui, Hengzhi Fang
Publikováno v:
Geomatics, Natural Hazards & Risk, Vol 14, Iss 1, Pp 176-195 (2023)
AbstractThe magnitude and direction of the in-situ stress field significantly influence the Geodynamic disaster. Taking the Gaojiapu Coal Mine in the northwest Binchang mining area as the study area, the distribution law of the in-situ stress field a
Externí odkaz:
https://doaj.org/article/fe6e88446eff4ae7a3c9c20adada23ee
Publikováno v:
Geomechanics and Geophysics for Geo-Energy and Geo-Resources, Vol 9, Iss 1, Pp 1-19 (2023)
Abstract The assessment of Coal burst risk (CBR) is the premise of bump disaster prevention and control. It is the implementation criterion to guide various rock burst prevention and control measures. The existing static prediction and evaluation met
Externí odkaz:
https://doaj.org/article/4229e4cb53df49688fb08e5a156b8e4e
Autor:
Hu He, Tingzhen Zheng, Jingang Zhao, Xin Yuan, Encheng Sun, Haoran Li, Hongyue Zheng, Xiao Liu, Gangzhu Li, Yanbo Zhang, Zhili Jin, Wei Wang
Publikováno v:
Frontiers in Earth Science, Vol 12 (2024)
Atmospheric methane is one of the major greenhouse gases and has a great impact on climate change. To obtain the polluted levels of atmospheric methane in the ground-level range, this study used satellite observations and vertical profile features de
Externí odkaz:
https://doaj.org/article/4879f2ab42e24a129a5e5b912d7c221a