Zobrazeno 1 - 10
of 2 883
pro vyhledávání: '"Guang Wen"'
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-19 (2024)
Abstract The secondary mining movement in non-pillar coal extraction causes significant overrun damage to flexible formwork concrete walls, leading to extensive deformation of roadway roof and bottom plates. This adversely affects working face effici
Externí odkaz:
https://doaj.org/article/8c0b4201eb9f47db95407a9718d70bcb
Publikováno v:
Energy Science & Engineering, Vol 12, Iss 3, Pp 492-507 (2024)
Abstract To address the problem of pillar instability in residual mining areas under repeated mining disturbances, the prediction of pillar instability time and mining technology is studied by using numerical simulations, theoretical examinations, an
Externí odkaz:
https://doaj.org/article/aca30e16f8554c22ab5ab7bdd35f6e3f
Publikováno v:
Energy Science & Engineering, Vol 12, Iss 3, Pp 460-477 (2024)
Abstract With the increasing depth of engineering in rock masses, the issue of significant rheological deformation becomes notably prominent. To accurately characterize the deformation and failure behavior of the surrounding rock near the goaf in dee
Externí odkaz:
https://doaj.org/article/ddf7397726174eb5afc9ec9ed75e9d22
Autor:
Tong Xu, Zhiqiang Xie, Fengshan Jiang, Shouquan Yang, Zhanting Deng, Lei Zhao, Guang Wen, Qingyun Du
Publikováno v:
Water Science and Technology, Vol 87, Iss 11, Pp 2820-2839 (2023)
Climate change and increasing urbanization have contributed greatly to urban flooding, making it a global problem. The resilient city approach provides new ideas for urban flood prevention research, and currently, enhancing urban flood resilience is
Externí odkaz:
https://doaj.org/article/3c4adba7148f49cdad65efb3dd867aa4
Publikováno v:
Energy Science & Engineering, Vol 11, Iss 6, Pp 1842-1857 (2023)
Abstract To address the instability timing problem of residual coal pillars under mining disturbance, their stress migration law and instability mechanism were studied via numerical simulation, physical simulation, and engineering tests considering r
Externí odkaz:
https://doaj.org/article/f277444f3e9744e5ac251817b3d370b3
Publikováno v:
Tehnički Vjesnik, Vol 30, Iss 6, Pp 2009-2017 (2023)
Hydrogen thyratron is a switching device invented based on the phenomenon of gas discharge, and it is widely used in the field of high-power pulse technology. The design of Pulse Forming Network (PFN) triggered by hydrogen thyratron aims to control t
Externí odkaz:
https://doaj.org/article/06faf3736bdd4ec6abdde00d11fac89d
Publikováno v:
Frontiers in Environmental Science, Vol 11 (2023)
Evaluating the nitrogen (N) use efficiency of animal manure is essential to optimize its application for profitable crop production without impairing the environment. A four-year field study was conducted under corn (Zea mays L.)–soybean (Glycine m
Externí odkaz:
https://doaj.org/article/8741cc5cabdc4f4a98a61262d75db59b
Autor:
Li, Yang, Cai, Wen-Qi, Ren, Ji-Gang, Wang, Chao-Ze, Yang, Meng, Zhang, Liang, Wu, Hui-Ying, Chang, Liang, Wu, Jin-Cai, Jin, Biao, Xue, Hua-Jian, Li, Xue-Jiao, Liu, Hui, Yu, Guang-Wen, Tao, Xue-Ying, Chen, Ting, Liu, Chong-Fei, Luo, Wen-Bin, Zhou, Jie, Yong, Hai-Lin, Li, Yu-Huai, Li, Feng-Zhi, Jiang, Cong, Chen, Hao-Ze, Wu, Chao, Tong, Xin-Hai, Xie, Si-Jiang, Zhou, Fei, Liu, Wei-Yue, Liu, Nai-Le, Li, Li, Xu, Feihu, Cao, Yuan, Yin, Juan, Shu, Rong, Wang, Xiang-Bin, Zhang, Qiang, Wang, Jian-Yu, Liao, Sheng-Kai, Peng, Cheng-Zhi, Pan, Jian-Wei
A quantum network provides an infrastructure connecting quantum devices with revolutionary computing, sensing, and communication capabilities. As the best-known application of a quantum network, quantum key distribution (QKD) shares secure keys guara
Externí odkaz:
http://arxiv.org/abs/2408.10994
Publikováno v:
Complexity, Vol 2020 (2020)
Given the absence of a theoretical formula to analyze the influence of parameters on the contact stress of cylindrical gear with arc tooth, an explicit mathematical model of cylindrical gear with arc tooth between the design parameters and the contac
Externí odkaz:
https://doaj.org/article/1eb104fafc66409fb81e84bac1050bb5
Publikováno v:
Advances in Mechanical Engineering, Vol 11 (2019)
Laser printer internal parts are prone to deformation when they are working in high temperature environment for a long time, resulting in machine faults such as paper jam and angle folding. In order to predict the deformation of parts in thermal envi
Externí odkaz:
https://doaj.org/article/03b5015c649d45098192613a4d3506b6