Zobrazeno 1 - 10
of 4 253
pro vyhledávání: '"Zhou HAN"'
Autor:
HUANG Ye-qun, ZHOU Han-lin, TONG Xiu-ping, JI Wei-ming, SUN Yi-lan, RAO Jian-qing, WEN Cheng-rong, PANG Jie
Publikováno v:
Liang you shipin ke-ji, Vol 32, Iss 5, Pp 142-150 (2024)
As a subfield of artificial intelligence, machine learning has gained widespread application due to its exceptional ability to learn models and summarize experiences from large datasets. To address the issues of time consumption, labor intensity, poo
Externí odkaz:
https://doaj.org/article/4f7546296b394dbda04c6dfdd1628479
Publikováno v:
Meitan kexue jishu, Vol 52, Iss 5, Pp 1-10 (2024)
The formation of residual coal pillars and void areas after mining of the upper seam close to the coal seam will affect the layout of the lower seam roadway. In this paper, taking 231101 working face of Xinliu Mine as engineering background, the comp
Externí odkaz:
https://doaj.org/article/6c66acc2071a408889314d49048d9b10
Publikováno v:
Meitan xuebao, Vol 49, Iss 4, Pp 1771-1785 (2024)
Aim at the mechanism and risk assessment of rockburst of mine roadways, the energy release laws of roadway surrounding rock in different regional stress fields are analyzed. Combined with the impact of dynamic load events, the mechanical relationship
Externí odkaz:
https://doaj.org/article/daded912927e4a0e92347bcc7507053c
Autor:
Hongtao Liu, Zhou Han, Zijun Han, Zihan Chen, Qinyu Liu, Hongkai Zhang, Rongguang Zhang, Linfeng Guo
Publikováno v:
International Journal of Mining Science and Technology, Vol 34, Iss 3, Pp 351-369 (2024)
Based on existing triaxial compression experimental data, a new empirical failure criterion with wide applicability was proposed considering hydrostatic pressure, second stress invariance, and maximum shear stress. Four fitting evaluation indicators
Externí odkaz:
https://doaj.org/article/3828f3dd58f2424196cfaa239df61385
Publikováno v:
Meitan kexue jishu, Vol 52, Iss 3, Pp 1-12 (2024)
Fully mechanized top-coal caving mining with large mining height is easy to form strong strata behavior, and the fracture evolution law of overlying strata is very important for safe production of working face. Taking the 160206 working face of Yangc
Externí odkaz:
https://doaj.org/article/5dbb89d277b4465cb08620883d63dedf
Autor:
Yiqiong Xie, Ying Ma, Lu Xu, Hongwen Liu, Weihong Ge, Baojuan Wu, Hongjue Duan, Hongmei Zhang, Yuping Fu, Hang Xu, Yuxiang Sun, Zhou Han, Yun Zhu
Publikováno v:
Pharmaceutics, Vol 16, Iss 10, p 1243 (2024)
Background: Inflammatory bowel disease (IBD), characterized by chronic inflammation of the digestive tract, involves angiogenesis as a key pathogenic mechanism. Ginsenoside Rg3, derived from the traditional Chinese herb ginseng, is recognized for its
Externí odkaz:
https://doaj.org/article/878092d389a3412694d5038476412b41
Autor:
Hongtao LIU, Zijun HAN, Xiaofei GUO, Guangdong ZHOU, Shengjie WEI, Zhou HAN, Xiaogang CHEN, Wencong CHENG
Publikováno v:
Meitan kexue jishu, Vol 51, Iss 10, Pp 12-23 (2023)
In order to study the boundary of plastic zone of surrounding rock of a roadway considering axial stress, based on Mohr-Coulomb criterion, the implicit equation of plastic zone boundary of surrounding rock of circular roadway considering axial stress
Externí odkaz:
https://doaj.org/article/4535e40961dd4e61b1d67cd839b68c9c
Publikováno v:
Meitan xuebao, Vol 48, Iss 10, Pp 3646-3658 (2023)
Aiming at the problems of serious asymmetric damage phenomenon of roadway on the side of stope and unclear rotation law of principal stress around roadway, the relationship between the rotation of principal stress around roadway and the asymmetric da
Externí odkaz:
https://doaj.org/article/ae8871dda179427c9f808394a9574df1
Autor:
ZHOU Han, SHENG Deqiao
Publikováno v:
Zhongliu Fangzhi Yanjiu, Vol 49, Iss 11, Pp 1107-1111 (2022)
Type 2 diabetes mellitus and malignant tumors are two kinds of chronic diseases with tremendous impact on human health. Numerous epidemiological and clinical studies have shown that type 2 diabetes mellitus increases the risk of liver, pancreatic, en
Externí odkaz:
https://doaj.org/article/df297ceaf1c94632905db7f019bb55f5
Publikováno v:
Nanophotonics, Vol 11, Iss 18, Pp 4315-4322 (2022)
Benefited from abundant long-lived intermediate energy levels of rear earth elements, large anti-Stokes lasing can be realized by multi-photon upconversion processes, which does not demand rigorous phase match and ultrahigh pump power. Here, we have
Externí odkaz:
https://doaj.org/article/e76026acb8ab4f699eeebf36b92e8888