Showing 2,081 - 2,100 results of 2,222 for search '"Geology"', query time: 0.06s Refine Results
  1. 2081
  2. 2082
  3. 2083
  4. 2084
  5. 2085
  6. 2086

    The Effect of Organic and Inorganic Modifiers on the Physical Properties of Granite Residual Soil by Bingxiang Yuan, Weijie Chen, Jin Zhao, Fei Yang, Qingzi Luo, Tianying Chen

    Published 2022-01-01
    “…As a kind of highly weathered special soil in South China, granite residual soils (GRS) feature high strength and high void ratio in a dry environment, so they tend to disintegrate in water and cause geological disasters including collapse. Therefore, modifying GRS for higher strength has become a hot spot. …”
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  7. 2087

    Parameter Sensitivity Analysis of the Hydraulic Fracture Growth Geometry in a Deep Shale Oil Formation: An Experimental Study by Shanzhi Shi, Yushi Zou, Lihua Hao, Beibei Chen, Shicheng Zhang, Xinfang Ma, Shipeng Zhang

    Published 2022-01-01
    “…The true triaxial fracturing simulation experimental system is used to carry out experimental research on full-diameter core rock samples, and the propagation patterns of hydraulic fractures under the influence of different geological factors (in situ stress difference and natural fractures) and engineering factors (pumping rate and fracturing fluid viscosity) are compared and analyzed. …”
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  8. 2088

    Grouting Mechanism in Water-Bearing Fractured Rock Based on Two-Phase Flow by Bo Ren, Wenqiang Mu, Bingyou Jiang, Guofeng Yu, Lianchong Li, Tingshuang Wei, Yunchun Han, Diancai Xiao

    Published 2021-01-01
    “…The diffusion mechanism of slurry in fractured rock is affected by geological environment and slurry performance, which should be revealed and characterized better. …”
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  9. 2089

    Annual Variation of PM2.5 Chemical Composition in Ho Chi Minh City, Vietnam Including the COVID-19 Outbreak Period by Ngoc Tran, Yusuke Fujii, Vinh Xuan Le, Nguyen Doan Thien Chi, Hiroshi Okochi, To Thi Hien, Norimichi Takenaka

    Published 2023-03-01
    “…Furthermore, the results of a concentration-weighted trajectory analysis suggested that the geological sources of PM2.5 were in the local areas of HCMC and the northeast provinces of Vietnam (where coal-fired power plants are located).…”
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  10. 2090

    High speciation in the cryptic Pristimantis celator clade (Anura: Strabomantidae) of the Mira river basin, Ecuador-Colombia by Mario H. Yánez-Muñoz, Juan P. Reyes-Puig, Carolina Reyes-Puig, Gabriela Lagla-Chimba, Christian Paucar-Veintimilla, Miguel A. Urgiles-Merchán, Julio C. Carrión-Olmedo

    Published 2025-01-01
    “…Over the past decade, research in the montane forests of the Mira River basin, spanning Ecuador and Colombia, has identified it as crucial for the adaptive radiation of flora and fauna, shaped by its complex geological and climatic history. This study focuses on the phylogenetic and systematic revision of a frog clade initially labeled as Pristimantis verecundus, revealing significant cryptic diversity. …”
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  11. 2091

    Application of fractal model in the Jurassic tight sandstone reservoirs of central Junggar Basin as constrained by mercury ejection curves by Hongkang Zhao, Xiangchun Chang, Tianchen Ge, Zhiping Zeng, Junjian Zhang, Daiqi Ming, Runye Han

    Published 2025-03-01
    “…However, the conventional analysis of the high-pressure mercury intrusion has always focused on the mercury injection curves themselves, neglecting the important geological information conveyed by the mercury ejection curves. …”
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  12. 2092

    Enhancing hydraulic fracturing efficiency through machine learning by Ali Karami, Ali Akbari, Yousef Kazemzadeh, Hamed Nikravesh

    Published 2025-01-01
    “…These models were specifically employed to predict and assess fracture width based on a variety of geological and operational parameters: geometric factors (γ), Shear Modulus (G), Poisson’s ratio (ν), viscosity of the fracturing fluid (µ in centipoise), crack height (h), fluid efficiency (η), injection time (t), and crack length (x). …”
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  13. 2093

    Dynamic Mechanical Response, Cracking Behavior, and Stress Intensity Factors of Cement Mortar Specimens with Open and Closed Flaws by Qizhi Wang, Fangshi Shi, Xiao Wang, Qingling Meng, Xing Li, Jinbo Song, Chang-yi Yu

    Published 2022-01-01
    “…Major civil and military infrastructures are usually located in mountainous areas with complex geological structures. When subjected to impact loads caused by operational blasting or seismic activities, the inherent flaws or joints in the hosting rock mass may grow irreversibly and eventually and cause the entire structure to collapse. …”
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  14. 2094

    Fingerprints of surface flows on solid substrates ablated by phase change: from laboratory experiments to planetary landscapes by Carpy, Sabrina, Berhanu, Michael, Chaigne, Martin, Courrech du Pont, Sylvain

    Published 2025-02-01
    “…These patterns are not just geological curiosities, such as Zen stones or dirt cones but markers of the hydrodynamic processes at work. …”
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  15. 2095

    Nature and Origin of Mineralizing Fluids in Hyperextensional Systems: The Case of Cretaceous Mg Metasomatism in the Pyrenees by Benoît Quesnel, Marie-Christine Boiron, Michel Cathelineau, Laurent Truche, Thomas Rigaudier, Gérard Bardoux, Pierre Agrinier, Michel de Saint Blanquat, Emmanuel Masini, Eric C. Gaucher

    Published 2019-01-01
    “…Consequently, this deposit, which is located on a fault zone and a lithological contact, represents one of the major drains at the scale of the Pyrenees and one of the best geological targets in order to determine the origin(s) of the fluid(s) that circulated during this period. …”
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  16. 2096

    Determination of <sup>238</sup>U Content by Gamma Radiation Emitting from <sup>234m</sup>Pa Radionuclide by A. Khruschinski, S. Kutsen, A. Zhukouski, Naoyuki Sugai, Hiroshi Sugai, Michinori Mogi

    Published 2022-04-01
    “…Radionuclide 238U is one of the most important radioactive elements that must be controlled in nuclear power engineering, geological exploration, control of radioactive contamination of soils and raw materials used in construction. …”
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  17. 2097

    Activités artisanales sur la rive droite de la Vesle à Reims/Durocortorum by Émilie Jouhet, Michaël Brunet, Pierre Mathelart, Véronique Matterne

    Published 2022-11-01
    “…Structures related to fabric manufacturing have also been identified and take the form of pits whose primary filling is composed of relatively compact and homogeneous yellow to orange colored clay. The geological analysis results performed on the stored clay demonstrated that they were 100% composed of smectite (whose geographical and geological origin could not be determined). …”
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  18. 2098

    Comprehensive Monitoring of Construction Spoil Disposal Areas in High-Speed Railways Utilizing Integrated 3S Techniques by Xiaodong Hu, Bo Xia, Yongqi Guo, Yang Yin, Huihua Chen

    Published 2025-01-01
    “…Inadequate monitoring of spoil disposal areas can lead to significant environmental issues, including soil erosion and geological hazards such as landslides and debris flows, while also hindering the recycling and reuse of construction spoil, thereby impeding the achievement of circular economy and sustainable development goals for high-speed railways. …”
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  19. 2099

    Failure Mechanism and Stability Control of Surrounding Rock of Docking Roadway under Multiple Dynamic Pressures in Extrathick Coal Seam by Xiangye Wu, Shuai Wang, Chen Tian, Changxing Ji, Jingya Wang

    Published 2020-01-01
    “…In view of multiseam mining under goaf, the surrounding rock control problem of lower coal roadway will be affected by concentrated coal pillar left in upper coal seam goaf and dynamic pressure superposition of working face in this coal seam. Under the geological environment of No. 16 extrathick coal seam in the Laoshidan coal mine and taking the working face 031604 as the research background, the reasonable docking position selection of the withdrawal roadway and the docking roadway in the middle mining period and the surrounding rock stability control problems of the withdrawal roadway and the docking roadway during the final mining period were studied by using the methods of field theoretical analysis, numerical simulation, and field measurement. …”
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  20. 2100

    Quantitative Evaluation of Top Coal Caving Methods at the Working Face of Extra-Thick Coal Seams Based on the Random Medium Theory by Shi Jiulin, Zhang Quntao, Gao Xiaojin, Xue Jisheng

    Published 2021-01-01
    “…The results of this study can also provide theoretical significance and referencing value for quantitative analyses of the coal caving methods for work faces with similar geological conditions.…”
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