Mostrando 601 - 620 Resultados de 10,994 Para Buscar '"rock ', tiempo de consulta: 0.25s Limitar resultados
  1. 601
    “…According to the results obtained, grouting improves the overall shear strength of the rock joints. All the grouted samples yielded higher maximum and residual shear strength in comparison with the non-grouted joint. …”
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  2. 602
  3. 603
    “…Investigation of uranium migration in the waste piles of granite rock in the Limousin region of France is vital for developing strategies which address related environmental issues. …”
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  4. 604
    “…[Image: see text] The quantity of ore mined and waste rock (i.e., overburden or barren rock) removed to produce a refined unit of a mineral commodity, its rock-to-metal ratio (RMR), is an important metric for understanding mine wastes and environmental burdens. …”
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  5. 605
    “…Further, the thermal dilation was used as an input to simulate a composite concrete-rock wall and the respective stresses caused by a thermal shock event. …”
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  6. 606
    “…Buton Rock Asphalt (BRA) refers to the natural rock asphalt natively produced on the Buton island of Indonesia. …”
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  7. 607
    “…Rock discontinuities play an important role in the behavior of rock masses and have a high impact on their mechanical and hydrological properties, such as strength and permeability. …”
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  8. 608
    “…The mechanical strength of the matrix igneous rock is higher than that of the rock samples with microfractures. …”
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  9. 609
    “…This work introduces the aim of the library and its current state, but additional data on intact natural rock surfaces will likely be added in the future.…”
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  10. 610
    “…Deformation was distributed across 3 km of dominantly metasedimentary rocks, with periodic strain localization to km‐scale ultramafic lenses. …”
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  11. 611
    “…Gas explosions or coal and gas outbursts can cause transient destruction of combined coal–rock, and the dynamic mechanical response of combined coal–rock masses plays a key role in accident failure, but we now know little about the dynamic mechanical responses of combined coal–rock. …”
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  12. 612
    “…[Image: see text] The Santos Basin in Brazil is a hot area of oil and gas exploration in recent years, and its subsalt lacustrine mudstones are the main source rock of the basin. However, there is a lack of studies on the source rocks of the subsalt Picarras and Itapema formations, which is not conducive to the accurate evaluation of the source rock characteristics. …”
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  13. 613
  14. 614
    “…Accurately determining the shear strength of structural planes is crucial for evaluating the stability of rock masses. The shear test using the sawtooth structural plane usually captures the main influencing factors of its shear characteristics. …”
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  15. 615
    “…To address this issue, accurate laboratory measurements of rock properties from the involved formations are conducted. …”
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  16. 616
    “…We will focus on advances in understanding the molecular mechanisms that maintain the unmineralized PDL “between a rock and a hard place” by regulating the mineralization of cementum and alveolar bone.…”
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  17. 617
  18. 618
    “…Rock avalanches can be a significant hazard to communities located in mountainous areas. …”
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  19. 619
  20. 620
    “…Serpentinites are metamorphic rocks that are widely applied as aggregates in the production of radiation-shielding concrete. …”
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