Mostrando 1,081 - 1,100 Resultados de 10,994 Para Buscar '"rock ', tiempo de consulta: 0.25s Limitar resultados
  1. 1081
    “…Fissures and holes widely exist in rock mechanics engineering, and, at present, their failure mechanisms under complex compress and shear stress states have not been well recognized. …”
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  2. 1082
    “…The influence of random joint number on shear stress (τ), dilation (normal displacement, δ(v)) and normal stress (σ(n)) of rock mass were studied quantitatively with fixed main slip surface. …”
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  3. 1083
    “…The benefits of remote sensing (RS) and its technology in mapping detailed rock differentiation, and characterizing physical objects on the land surface using various spatial, and spectral resolution datasets are integrated. …”
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  4. 1084
    “…Construction of engineering structures in geomaterials with soil–rock mixture (S-RM) is often a challenging task for engineers. …”
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  5. 1085
    “…By researching the distance between blasthole and interface of soft-hard rock strata, as well as the time of delay detonation, blasting effect of the rock mass will be more controllable. …”
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  6. 1086
    por Cui, Kai, Yang, Zheng
    Publicado 2023
    “…Based on the measured data of the initial stress, a comprehensive evaluation of the stress field of the deep surrounding rocks was carried out. Combining the physical and mechanical indexes of the surrounding rocks, field measurements, and theoretical analysis, the Russenes criterion and Turchaninov criterion were applied to evaluate the propensity of rockbursts of hard rocks in the mine area. …”
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  7. 1087
    “…Previously, we reported on damage to rod synapses and synaptic protection using a Rho kinase (ROCK) inhibitor (AR13503) after retinal detachment (RD). …”
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  8. 1088
    “…The argillaceous surrounding rock of a horsehead roadway under high stress conditions is prone to deformation and failure, and the control of its long-term stability is difficult. …”
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  9. 1089
    “…Rock climbing has evolved from a method for alpine mountaineering into a popular recreational activity and competitive sport. …”
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  10. 1090
    “…The goaf formed by mining is filled and treated, which greatly improves the safety and stability of the surrounding rock. During the filling process, the roof-contacted filling rates (RCFR) of goaf were closely related to the stability control of the surrounding rock. …”
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  11. 1091
    “…The karst carbon sink caused by rock outcrops results in enrichment of the bicarbonate in soil, affecting the physiological process of plants in an all-round way. …”
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  12. 1092
    “…We present Si-O isotopes of Earth’s oldest rocks [4.0 billion years ago (Ga)] from the Acasta Gneiss Complex, northwest Canada, obtained using multiple techniques applied to zircon, quartz, and whole rock samples. …”
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  13. 1093
    “…The generation of rock mass disasters in underground engineering essentially arises from the disruption of the original three-dimensional stress equilibrium of the rock mass caused by excavation and other activities, leading to the redistribution of stress fields. …”
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  14. 1094
    “…The fractal topography of fracture surfaces challenges the upscaling of laboratory test results to the field scale, therefore the study of rock masses often requires numerical experimentation. …”
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  15. 1095
    “…The underlying principle of the unique dynamic adaptive adhesion capability of a rock-climbing fish (Beaufortia kweichowensis) that can resist a pull-off force of 1000 times its weight while achieving simultaneous fast sliding (7.83 body lengths per second (BL/S)) remains a mystery in the literature. …”
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  16. 1096
    “…The mechanical properties and impact tendency of impact-prone coal rock were studied, and the energy evolution law and pre-peak energy self-promotion-inhibition mechanism of impact-prone coal rock were obtained. …”
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  17. 1097
    “…The paleoenvironment of Jixian carbonate rocks in the Mesoproterozoic Ordos Basin is studied by carbon and oxygen isotope analyses, diagenetic environment analysis, and the restoration of paleosalinity and paleotemperature. …”
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  18. 1098
    “…Although several researchers investigated the effect of individual parameters on wettability alteration, the literature is scarce, and the question of what is the shortest and yet the most reliable aging time for ensuring wettability alteration for the specific rock-oil system at different temperatures remains unclear. …”
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  19. 1099
    “…Surrounding rock deformation and consequent support failure are the most prominent issues in red-bed rock tunnel engineering and are mainly caused by the effects of unloading, rheology, and swelling. …”
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  20. 1100
    “…It is revealed that the rock grade significantly affects the bearing characteristics of anchor bolts. …”
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