Mostrando 1,061 - 1,080 Resultados de 10,994 Para Buscar '"rock ', tiempo de consulta: 0.18s Limitar resultados
  1. 1061
    por Dinç Göğüş, Özge, Avşar, Elif
    Publicado 2022
    “…Micromechanical cracking processes in rocks directly control macro mechanical responses under compressive stresses. …”
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  2. 1062
    “…One study applied deep learning techniques to classify multi-rock types in each image; however, the test was performed on artificially overlaid images of different rock types in a test sample and not of naturally occurring rock surfaces of multiple rock types. …”
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  3. 1063
    por Yan, Tao
    Publicado 2022
    “…The value of the database is consideration of the relationship between shield operational parameters and geological characteristics encountered in the shield tunnelling area, including formations with soft soil, majority of soft soil, and majority of hard rock. The raw data was standardized and processed to low dimensional data by principal component analysis, which can be better used in geological characteristics classification. …”
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  4. 1064
    por Hassan, Mohamed Yusuf, Arman, Hasan
    Publicado 2022
    “…In engineering practices, it is critical and necessary to either measure or estimate the uniaxial compressive strength (UCS) of the rock. Measuring the UCS of rocks requires comprehensive studies in the field and in the laboratory for the rock block sampling, coring, and testing. …”
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  5. 1065
    “…By adjusting the measurement latitude and longitude circle automatically, this device scanned spherical sample rocks and obtained full-wave waveforms in all directions. …”
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  6. 1066
    “…Acute myeloid leukemia (AML) is an aggressive hematologic malignancy with high mortality that urgently requires new treatments. ROCK1 plays an essential role in regulating growth and survival in AML cells. …”
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  7. 1067
    “…The Rho family of small GTPase RhoA and its downstream effector Rho-kinase/ROCK are considered as one of the major regulators of synaptic plasticity and dendritic spine formation, including long-term potentiation (LTP). …”
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  8. 1068
    por Wu, Hao, Li, Qingfeng, Zhu, Chuanqu, He, Liao
    Publicado 2023
    “…Aiming at the problem of stability control of surrounding rock in the process of upward mining of inclined coal seam gob-side entry retaining, the gob-side entry retaining of 5449 working face in Beipingdong coal mine is taken as the research background. …”
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  9. 1069
    “…As a composite material, the stability of rock mass is usually controlled by a joint. During the process of excavation, the normal stress of the joint decreases continuously, and then the shear strength of the joint decreases, which may eventually lead to the instability and failure of rock mass. …”
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  10. 1070
    “…Comprehensive and precise knowledge about rocks' mechanical properties facilitate the drilling performance optimization, and hydraulic fracturing design and reduces the risk of wellbore-related problems. …”
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  11. 1071
    “…The strength anisotropy for inherent anisotropic rocks presents a challenge to simulate considering the influence of intermediate principal stress. …”
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  12. 1072
    “…In this study, a new digital technique for the analysis of the mechanical aperture and contact area of rock fractures under various normal stresses is proposed. …”
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  13. 1073
    “…It examines the implementation of such a plan in the context of the Facebook page of the ERC Advanced Grant project “The sound of special places: exploring rock art soundscapes and the sacred” (acronym: Artsoundscapes). …”
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  14. 1074
  15. 1075
    “…Furthermore, the constant drilling speeds can identify the strength quality of soils to hard rocks. The thickness distributions of the six basic strength quality grades are presented for all the sedimentary rocks and each individual type of the seven soil and rocks. …”
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  16. 1076
    por Navarrete, Carlos, 1931-
    Publicado 1974
    Libro
  17. 1077
  18. 1078
    “…To circumvent this import dependence, low-cost indigenous nutrient sources have been tested, including basalt rock powder (BRP). In this study, we assessed BRP and limestone effects on soil fertility, and soybean and maize dry mass (DM) accumulation. …”
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  19. 1079
    “…Mining works also cause varying degrees of disturbance and damage to rock masses in the mining area during the mining process. …”
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  20. 1080
    “…The study of the properties of engineered rocks is of great importance to researchers in engineering sciences such as petroleum, mining, and civil engineering owing to their wide application in these fields. …”
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