Results 1 to 10 of about 218,644 (168)

In-situ stress characteristics and rockburst prediction for a tunnel in a high in-situ stress environment

Frontiers in Earth Science
As the main source of pressure around tunnel rock masses, in-situ stress must be thoroughly understood to accurately predict the potential for rockburst events, especially in high-stress construction environments.
Chun Luo, Zhiwen Shen, Jin Zhang, Maohong Yao, Ying Yang, Kai Zhang, Meng Wang, Shuang Yang, Yonggang Zhang   +8 more
doaj   +2 more sources

A pilot cross-sectional investigation of chronic shame as a mediator of the relationship between subjective social status and self-rated health among middle-aged adults

Health Psychology and Behavioral Medicine, 2023
Subjective social status (SSS) is an important independent predictor of health outcomes, however, the pathways through which it affects health are poorly understood.
Ellen C. McGarity-Shipley, Eun-Young Lee, Kyra E. Pyke   +2 more
doaj   +1 more source

Development and research of in-situ stress parameters database for underground coal mines of China

Meikuang Anquan, 2021
Underground 1379 in-situ stress measurement items in underground coal mines of China was collected, including 928 items of the hydraulic fracturing, 427 items of stress release, 24 items of acoustic emission.
YI Bingding
doaj   +1 more source

In-situ stress measurement and inversion analysis of the deep shaft project area in Sanshan Island based on hydraulic fracturing method

Dizhi lixue xuebao, 2023
The proposed 2000-meter-deep auxiliary shaft at the Xiling mine, Sanshan Island, Shandong Province, is an ultra-deep shaft construction project. Revealing the characteristics of the in-situ stress field in the shaft construction area is one of the ...
ZHU Mingde, WANG Zhaoya, ZHANG Yuezheng, LI Wenguang, HOU Kuikui, JI Hongguang, YIN Yantian, FU Zhen, HAO Yingjie   +8 more
doaj   +1 more source

Evaluation and engineering applications of the in situ stress state of deep tight sandstone reservoirs in the Xujiahe Formation of the Yingshan-Longgang in the central Sichuan Basin

Frontiers in Earth Science, 2023
Introduction: The Xujiahe Formation in the Yingshan-Longgang area of the Sichuan Basin has abundant tight oil and gas resources. However, the complex geological conditions and insufficient understanding of the magnitude and direction of in-situ stresses ...
Songyang Gao, Hucheng Deng, Hucheng Deng, Weilin Yan, Shujun Yin, Jiayu Zhou, Zheng Wen, Yunfei Guo, Bo Zhang, Chuang Li, Xiaolei Yang, Wenhao Xia, Tao Huang   +12 more
doaj   +1 more source

Cytogenetics and Consequences of Polyploidization on Different Biotic-Abiotic Stress Tolerance and the Potential Mechanisms Involved

Plants, 2022
The application of polyploidy in sustainable agriculture has already brought much appreciation among researchers. Polyploidy may occur naturally or can be induced in the laboratory using chemical or gaseous agents and results in complete chromosome ...
Md Mazharul Islam, Deen Mohammad Deepo, Saifullah Omar Nasif, Abu Bakar Siddique, Oliul Hassan, Abu Bakar Siddique, Narayan Chandra Paul   +6 more
doaj   +1 more source

Analysis of in-situ stress field characteristics and tectonic stability in the Motuo key area of the eastern Himalayan syntaxis

Dizhi lixue xuebao, 2023
In order to obtain the in-situ stress field characteristics and analyze tectonic stability in the Motuo key area of the eastern Himalayan syntaxis, the in-situ stress measurement of one in-situ stress hole and 11 test sections of the Xirang section of ...
ZHANG Bin, SUN Yao, MA Xiumin, PENG Hua, JIANG Jingjie, MAO Jiarui, ZHANG Wenhui, ZHAI Yudong   +7 more
doaj   +1 more source

Relationship between plastic zone of roadway and coal and gas outburst hole

Meikuang Anquan, 2022
The outburst hole is of great significance to study the mechanism of coal and gas outburst. Through numerical simulation, the plastic zone of coal body at the excavation head of outburst roadway is obtained and compared with the actual outburst holes ...
HAN Sen, WANG Weijun, PENG Gang
doaj   +1 more source

In-situ stress response characteristics of CO2 storage capacity in coal seam

Meikuang Anquan, 2021
Accurate estimation of CO2 adsorption capacity in coal seam is a great significance to CO2 storage technology, especially the influence of coal seam depth on CO2 adsorption capacity.
ZHAO Zhongling
doaj   +1 more source

New Pump-In Flowback Model Verification with In-Situ Strain Measurements and Numerical Simulation

Energies, 2023
This study presents an analytical model for estimating minimum horizontal stress in hydraulic fracturing stimulations. The conventional Diagnostic Fracture Injection Test (DFIT) is not practical in ultra-tight formations, leading to the need for pump-in ...
Ibrahim Eltaleb, Mohamed Y. Soliman
doaj   +1 more source