Results 21 to 30 of about 3,587 (209)

Study on overburden structure and working resistance of supports in deep buried coal seam

Meikuang Anquan, 2023
In view of the characteristics of complex overburden structure and strong mining pressure in deep coal seam working face with large mining height, taking Yangchangwan Coal Mine as the engineering background, the mechanical model of overburden rock ...
LIU Hongtao, HAN Zhou, HAN Zijun, YANG Zhihua, HE Weisheng, WANG Sichen, LUO Zilong
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Scanning electron microscopy of a blister roof in dystrophic epidermolysis bullosa [PDF]

Anais Brasileiros de Dermatologia, 2013
In dystrophic epidermolysis bullosa the genetic defect of anchoring fibrils leads to cleavage beneath the basement membrane, with its consequent loss.
Hiram Larangeira de Almeida Jr., Luciane Monteiro, Ricardo Marques e Silva, Nara Moreira Rocha, Hans Scheffer   +4 more
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Stress Evolution and Roof Breaking Characteristics of Surrounding Rock in Oblique Longwall Mining Area of Steeply Dipping Seam

Meikuang Anquan, 2020
Taking 3132 steeply dipping coal fully-mechanized oblique longwall mining working face in Lyushuidong Coal Mine as the engineering background, the aricle studies the stress evolution and roof fracture and the spatial scale characteristics of the steeply ...
WU Yongping, LIU Wanghai, XIE Panshi, TIAN Shuangqi
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Recovery of bacillary layer detachment associated with macula-off rhegmatogenous retinal detachment: Evidence of foveation mechanisms?

American Journal of Ophthalmology Case Reports, 2023
Purpose: To describe the mechanisms of postoperative foveal restoration in three patients with bacillary layer detachment (BALAD) associated with macula-off rhegmatogenous retinal detachment.
Andrea Govetto, Paolo Radice, Sara Lucchini, Daniela Bacherini, Stanislao Rizzo, Alfonso Savastano   +5 more
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Time-dependent deformation and fracture evolution around underground excavations

Geomatics, Natural Hazards & Risk, 2020
A numerical time-dependent deformation model of rock by incorporating the stress corrosion model into a three-dimensional discrete element code was established to investigate time-dependent deformation and fracture evolution of surrounding rock around ...
Teng-Fei Fu, Tao Xu, P.L.P. Wasantha, Tian-Hong Yang, Yoshitaka Nara, Zhen Heng   +5 more
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Roadway Instability Mechanism of Weakly Consolidated Soft Rocks and Support Technologies

Geofluids, 2023
During tunneling in weakly consolidated soft rock strata, lithology, joints, and fractures of rock strata play an important role in controlling overall roof stability of the roadway.
Jinlong Cai, Min Tu, Luxiu Chai, Fengyan Qin, Zhengfeng Shen   +4 more
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Optimal Design and Analysis of the Cooled Turbine Blade in Gas Turbines with CFD [PDF]

Journal of Applied Fluid Mechanics
In this study, the effects of the structural geometries of the channels used for cooling blades in the heated regions of the gas turbine exposed to high temperature were investigated.
E. Yildiz, F. Koca, I. Can
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Research on Deformation and Failure Evolution of Deep Rock Burst Drivage Roadway Surrounding Rock under Dynamic Disturbance

Shock and Vibration, 2021
In order to explore the deformation and failure evolution characteristics of the surrounding rock during the connection process of the deep rock burst drivage roadway under the dynamic load disturbance, and based on this, the catastrophe mechanism of the
Xinggang Xu, Hao Feng, Lishuai Jiang, Tao Guo, Xingyu Wu, Zequan Sun   +5 more
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Evaluating the Cooling Performance of Green Roofs Under Extreme Heat Conditions

Frontiers in Environmental Science, 2022
The local rise in urban temperature is increasingly exacerbated due to the combined effect of urban heat islands and global climate change. Numerous studies have shown that green roofs (GRs) have great potential for facilitating urban heat mitigation ...
Ye Feng, Ye Feng, Ye Feng, Jia Wang, Weiqi Zhou, Xiaoma Li, Xiaoma Li, Xiaoying Yu   +7 more
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Deformation failure law and control countermeasures of deep buried weakly cemented soft rock roadway

Meikuang Anquan, 2022
In order to study the deformation-failure law of deep buried weakly cemented soft rock roadway and determine reasonable control countermeasures, taking the south main return laneway of Yuwu Coal Mine as an example, the strain softening model parameters ...
HUANG Yong, PAN Xiahui, LIN Zhibin
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