Showing 2,141 - 2,160 results of 2,575 for search '"rock ', query time: 0.07s Refine Results
  1. 2141

    Title not available

    Published 2017-08-01
    “…Lanslidesusceptibility assessment using logistic regression and its comparison with a rock mass classification system, along road section in the northern Himalayas (India). …”
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  2. 2142

    Experimental Study on Mechanical Property and Pore Distribution of Limestone Specimens after Heat Treatment under Different Heating Conditions by Yujie Feng, Haijian Su, Qian Yin, Liyuan Yu, Yingchao Wang

    Published 2021-01-01
    “…The thermal effect of rocks not only depends on the temperature level but also may be influenced by the factors including heating environment, heating rate, and cooling method. …”
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  3. 2143

    Hydrogeochemical Evaluation of Groundwater Quality and Its Applicability for Various Purposes in the Drought-Prone Konso Zone, Rift Valley, Southern Ethiopia by Abel Abebe, Muralitharan Jothimani, Gosaye Berhanu

    Published 2024-01-01
    “…Gibbs’s figure indicates that 50% of the water samples were found where rocks were weathered, demonstrating the importance of water-rock interactions in groundwater composition. …”
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  4. 2144

    Web GIS Based Benthic Habitat Mapping Update Supports Smart Island Lemukutan by Zan Zibar, Robin Saputra, Adityo Raynaldo, Supriyatno Supriyatno

    Published 2025-01-01
    “…The research results obtained the extent of shallow water benthic habitat classification with different variations in each habitat class. The Rock Class covers an area of ​​41,940 ha, the mixed class 2,409 ha, the coral class 130,340 ha, the dead coral class 49,249 ha, the macroalgae class 2,840 ha, and the sand class 12,140 ha. …”
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  5. 2145

    Tracing the Origin of Groundwater Nitrate in an Area Affected by Acid Rain Using Dual Isotopic Composition of Nitrate by Tianming Huang, Zhenbin Li, Baoqiang Ma, Yin Long

    Published 2019-01-01
    “…Acid rain with a relatively high concentration of ammonium and nitrate can accelerate rock weathering. However, its impact on groundwater nitrate is uncertain. …”
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  6. 2146

    Study on the Origin and Fluid Identification of Low-Resistance Gas Reservoirs by Zhou Yuhui, Hu Qingxiong, Liu Wentao, Wu Zhiqi, Yan Yule, Ma Jialing

    Published 2020-01-01
    “…The comprehensive analysis of rock lithology, physical properties, sedimentary characteristics, and gas content demonstrated that the development of micropores in illite/smectite dominated clay minerals together with the resulted additional conductivity capability and complex reservoir pore structures, as well as the enrichment of self-generating conductivity minerals like zeolites and pyrite which were the formation mechanisms of low-resistance gas layers in the Wu 2 section. …”
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  7. 2147

    Ulitníky pseudokrasovej tiesňavy Parkaň v pohorí Bachureň na východnom Slovensku by Jakub Repaský, Dagmar Říhová, Kateřina Kubíková, Radovan Coufal, Jan Oravec, Lucie Juřičková

    Published 2025-01-01
    “…The local microtopographic diversity (moist rubble, rock walls covered with moss, dead wood) with historic habitat continuity support the high species diversity of the gastropod fauna. …”
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  8. 2148

    Analysis of building envelope for energy consumption and indoor comfort in a near-zero-energy building in Northwest China by Xiaofei Zhen, Shange Li, Jianming Peng, Zhouyang Zhao, Xu Zhang, Chuanxi Tan, Ruonan Jiao, Wenbing Wu

    Published 2025-03-01
    “…The results indicate that optimized envelope designs, particularly those incorporating rock wool insulation and a suitable window-to-wall ratio, can significantly reduce energy consumption, especially during the heating season, while maintaining indoor thermal comfort. …”
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  9. 2149

    Optimization of Barrier Pillar Design in Longwall Mining with Top Coal Caving in Spontaneous Combustion Coal Seam by Qiang Fu, Ke Yang, Qinjie Liu, Shuai Liu, Xiang He, Xin Lyu

    Published 2021-01-01
    “…In this paper, considering the actual situation of 4301 and 4302 working faces of II-class spontaneous combustion coal seam in Changheng Mine, the characteristics of rock mass collapse and mining-induced stress redistribution of barrier pillar and adjacent area were analyzed, the cusp catastrophe model of coal pillar instability and the theoretical model of limit width of coal pillar air leakage spontaneous combustion were established, and a measurement scheme of side abutment pressure in 4301 working face was carried out. …”
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  10. 2150

    Mining Failure Response Characteristics of Stope Floor: A Case of Renlou Coal Mine by Jucai Chang, Dong Li, Kai He

    Published 2020-01-01
    “…Through a comprehensive measurement of ground penetrating radar detection and fixed-point grating optical fibers, the law of floor deformation and failure is analyzed dynamically, and the characteristics of the floor rock deformation response are discussed. The results of on-site monitoring indicate that the mining effect of the working face is greater than that of the tectonic stress. …”
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  11. 2151

    In situ natural radioactivity and radiological hazard assessments of granite gneiss outcrops in parts of the Southwestern Basement Complex of Nigeria by Adedibu Sunny Akingboye, Omowumi Ademila

    Published 2019-07-01
    “…Radioactive emission (gamma ray) emanating from rock materials constitutes threats to humans and their environment. …”
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  12. 2152

    Sierra Espuña (Librillos, 2023) by Miguel Ángel González Espinosa

    Published 2023-10-01
    “…It is part of the Betic reliefs that were formed in the Tertiary Era, and it is a mountain range composed of permeable limestone rock that produces springs such as the Balneario de Archena. …”
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  13. 2153

    Study on the safety distance determination model for natural gas wells in Ordos Basin subsidence areas of coal mining by Wen Wang, Yang Zhang, Shuang Gong, Junqi Lei, Jiandong Ren, Yanxiong Ding, Xiaowei Lu

    Published 2025-01-01
    “…The results indicated that the maximum strain change values of the outer casing and inner production casing of the simulated monitoring well GX1 were 836 με and 766 με, respectively, far less than the maximum ultimate tensile strain value of the overlying rock at the same depth position. Furthermore, the casing structure possessed ample resistance capability, ensuring no noticeable deformation occurred. …”
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  14. 2154

    Reasonable Scope of Kilometer Drilling in Lower Layer of Extrathick Coal Seam: A Case Study of Tingnan Coal Mine, China by Delong Zou, Xiang Zhang

    Published 2021-01-01
    “…According to the plastic deformation of the lower layer under different vertical depths and the movement of coal and rock mass, it is determined that the reasonable range of kilometer directional drilling in the lower layer is 6–9 m below the floor vertical depth. …”
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  15. 2155

    A Typical Basalt Platform Landslide: Mechanism and Stability Prediction of Xiashan Landslide by Yongliang Huang, Zhiwei Sun, Chunyan Bao, Man Huang, Anyuan Li, Minghao Liu

    Published 2021-01-01
    “…Results indicate that the maximum tensile stress at the top of the trailing edge under the natural state is 5.10 MPa, which is very close to the saturated tensile strength of rock mass. Thus, tensile cracks are easily generated and developed, thereby causing the failure mode to be the hydraulic driving type. …”
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  16. 2156

    ln pursuit of Aryan Homeland (2nd Lithuanian Archaeological expedition in Afghanistan) by Aleksiejus Luchtanas, Ramunė Butrimaitė

    Published 2008-12-01
    “…These were the site of worship, Qabre Zahak, rock carvings at Qala Malek Antar of the 2nd millennium BC, and the Buddhist monastery of the first half of the 1st millennium AD. …”
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  17. 2157

    Influences of Different Factors and Sensitivity Analysis of Permeability of Gassy Coal by Bo Li, Yong Yuan, Yunpei Liang, Zhenghan Qin

    Published 2025-01-01
    “…Seepage tests were conducted on gassy coal using a seepage test system for damaged coal and rock mass under various conditions of axial pressure, confining pressure, and gas pressure. …”
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  18. 2158

    Numerical Investigations on the Effect of Fracture Length Distribution on the Representative Elementary Volume of 3D Discrete Fracture Networks by Ding Liu, Hai Pu, Shiru Guo, Ziheng Sha, Chong Li

    Published 2022-01-01
    “…Determination of the representative elementary volume (REV) of fractured rock masses based on equivalent permeability (K) is significantly dependent on the geometric characteristics of fractures. …”
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  19. 2159

    Experimental and discrete element method study on the mechanical properties of hole-fracture sandstone by Peijie Lou, Peijie Lou, Peijie Lou, Peijie Lou, Lichen Sun, Cheng Pan, Penghui Ji, Huan Liu

    Published 2025-01-01
    “…Tensile wing fractures caused by tensile failure reinforced the merging of rock bridges. Furthermore, the trajectories of fracture propagated from the outside to the inside of the rocks progressively simplify, resulting in accelerated instability and collapse. …”
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  20. 2160

    Study on the linkage mechanism between key strata fracture in overburden and surface subsidence during caving mining in extra-thick coal seams by Tianwei Lan, Zhijia Zhang, Weiqiang Guo, Zhu Li, Guoqiang Wu, Ping Fang

    Published 2025-01-01
    “…This approach offers a more systematic and accurate method to predict and assess the overburden movement and fracture processes, providing new insights for the prevention and control of rock burst disasters in extra-thick coal seams.…”
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    Article