Showing 41 - 60 results of 294 for search '"Rock ', query time: 0.10s Refine Results
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    Rock fracture mode and acoustic emission characteristics under true triaxial single-sided unloading path by Longpei Ma, Longpei Ma, Chongyan Liu, Guangming Zhao, Guangming Zhao

    Published 2025-02-01
    “…In underground engineering, the excavation and unloading processes of rocks are extremely complex. In-depth understanding of the fracture patterns of rocks and the characteristics of acoustic emission (AE) during this process is crucial for ensuring the safe and stable operation of underground engineering. …”
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    Article
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    OPTIMIZATION OF ROCK PHOSPHATE USE AND EFFECT ON SOYBEAN GRAIN YIELD AND YIELD COMPONENTS ON AN ANDOSOL AND ACRISOL OF CAMEROON by Lawrence T. Nanganoa, Foncha Felix, Kamdem N. Franck Gilles, Djocne F. Christiane, Christopher Suh, Francis A. Ngome

    Published 2024-08-01
    “…Modulation of rock phosphate fertilizer dose in soybean cultivation is crucial for maximizing plant growth and grain yield while ensuring efficient use of resources and environmental sustainability. …”
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  5. 45

    Impact of rock mineralogy on reactive transport of CO2 during carbon sequestration in a saline aquifer by Mohamed Gamal Rezk, Ahmed Farid Ibrahim

    Published 2025-01-01
    “…Various parameters, including CO2 plume migration, changes in pH, water density variations, mineral dissolution and precipitation, and porosity changes in the reservoir rock, are examined to understand the complex CO2–brine–rock interactions. …”
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  6. 46

    Evolution law of overlying rock fracture field in goaf mining with double-roof-cutting retaining roadway by Xiaobo Lv, Shengyong Hu, Jun Nian, Chunsheng Deng, Bo Zhao, Cheng He, Yansheng Wang, Xitu Zhang, Wei Zhang

    Published 2025-02-01
    “…The amount of overburden rock subsidence in the open area of the former is reduced by 45–80% compared with the latter. …”
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    Article
  7. 47

    Three-dimensional omnidirectional characterization methods of rock anisotropic wave velocity and acoustic emission location optimization by Shengjun MIAO, Wenxuan YU, Mingchun LIANG, Pengjin YANG, Conghao LI, Zejing LIU

    Published 2025-03-01
    “…Rock failure and instability have been key research topics in rock mechanics domestically and internationally. …”
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    Article
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    Mountains, Shrines, and Rock Art: Landscape in Ancestral Pueblo culture from the Colorado Plateau, North American Southwest by Radosław Palonka, Kathleen M. O’Meara, Katarzyna M. Ciomek, Zi Xu, Brianna Gooch, Claire Moriarty, Bartosz Foryś

    Published 2024-12-01
    “… Since 2011, the Sand Canyon–Castle Rock Community Archaeological Project has been conducted in several canyons of the central Mesa Verde region, southwestern Colorado in the North American Southwest. …”
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    Article
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    Optimizing nanoparticle selection for enhanced oil recovery in carbonate rock using hybrid low salinity water flooding by Sunlee Han, Youngsoo Lee

    Published 2025-01-01
    “…The findings reveal a key finding: the LSW/NP flooding process effectively balances NP-induced plugging and rock dissolution, thereby maintaining the pore structure integrity of carbonate rocks. …”
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  14. 54

    HEMATITE-CARBONATE ROCKS OF THE YUBILEYNOE MASSIVE SULFIDE DEPOSIT (SOUTH URALS): EVIDENCE OF REPLACEMENT OF SULFIDE CLASTS AND HYALOCLASTS by A.S. Tseluyko, N.R. Ayupova, D.A. Artemyev, M.A. Rassomakhin, V.A. Kotlyarov

    Published 2024-12-01
    “…The article considers textural and structural features of hematite-carbonate rocks associated with carbonate-sulfide clastic ores of the Yubileynoe massive sulfide deposit, South Urals. …”
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    Research on time–frequency characteristics of electromagnetic signals from coal and rock blasting based on DBO-VMD filtering by Litao WANG, Liming QIU, Menghan WEI, Dazhao SONG, Rentao GOU, Lin LIU, Shiqiang ZHONG, Tianyi XIE

    Published 2025-03-01
    “…In shaft mining, conventional vibration monitoring of blasting operations is often affected by environmental factors and system limitations, complicating the extraction of coal–rock rupture signals. This paper explores the use of electromagnetic radiation signals for blasting monitoring, introducing a noise reduction method for these signals and examining the time–frequency characteristics of the pure signals. …”
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    HANNAH ARENDT E A QUESTÃO NEGRA NA DESSEGREGAÇÃO DA ESCOLA DE LITTLE ROCK, 1957 by Danilo Arnaldo Briskievicz, Amauri Carlos Ferreira

    Published 2019-06-01
    “…O objetivo deste artigo é discutir o caso de dessegregação racial educacional acontecido na capital do Arkansas, Little Rock, nos Estados Unidos da América, em 4 de setembro de 1957. …”
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    Recycling phosphate mine waste rocks in asphalt mixtures to fully replace natural aggregate: A preliminary study by Fadi Alhomaidat, Mazen J. Al-Kheetan, Sajedah M. Alosifat

    Published 2025-03-01
    “…Mining activities generate large quantities of waste rocks that pose significant challenges to the environment due to their disposal in landfills, making their incorporation in asphalt mixtures a vigorous solution. …”
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    Article