Mostrando 561 - 580 Resultados de 10,994 Para Buscar '"rock ', tiempo de consulta: 0.27s Limitar resultados
  1. 561
    por Yu, Jung-Doung, Lee, Jong-Sub
    Publicado 2020
    “…The stability of tunnels and rock slopes is adversely affected by defects in rock bolts. …”
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  2. 562
    “…[Image: see text] The fracturing of naturally fractured volcanic rocks has a significant impact on the logging due to the high degree of volcanic fracture development and the complex distribution of fractures. …”
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  3. 563
  4. 564
    “…We investigated rock varnish, a thin, manganese- and iron-rich, dark surface crust, on basaltic lava flows and petroglyphs in the Owens and Rose Valleys (California) by portable X-ray fluorescence (pXRF) and femtosecond laser-ablation inductively-coupled-plasma mass spectrometry (fs-LA-ICPMS). …”
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  5. 565
    “…To explore that, 5 kinds of N (compressive strength of cement mortar) were used to make samples to simulate the different rock strengths. Five kinds of M (compressive strength of inorganic double-fluid material) were used to grout the structural plane of samples. …”
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  6. 566
  7. 567
  8. 568
    “…Activation of Rho-associated protein kinase (ROCK) using calpeptin results in increased Yap-regulated genes in primary acinar cells while inhibition of ROCK activity (Y-27632) leads to decreased Yap transcriptional targets. …”
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  9. 569
    “…Based on the performances of high energy storage tension rock bolts in different rock properties, this study proposed a constitutive model to describe the energy balance of anchor under uniaxial compression. …”
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  10. 570
    “…The objective of this study is to develop a new vibration-free excavation method based on vermiculite expansion for rock cracking and to evaluate the performance of the heating system via elastic wave monitoring. …”
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  11. 571
    “…Clinoptilolite is one of the most known and common natural minerals (zeolites) with a unique porous structure, metakaolin is calcined kaolin clay, marlstone is a sedimentary rock and phonolite is an igneous rock composed of alkali feldspar and other minerals. …”
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  12. 572
    “…Rock-inhabiting fungi (RIF) are nonlichenized fungi that naturally colonize rock surfaces and subsurfaces. …”
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  13. 573
    “…The prevalence of DE is highest in female athletes who participate in aesthetic or weight dependent sports. Elite rock climbers tend to be strong, small and lean, but the prevalence of DE in rock climbers is unknown. …”
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  14. 574
    por Piroozan, Nariman, Sahimi, Muhammad
    Publicado 2020
    “…We report the results of what we believe to be the first molecular scale study of the decay of the interfacial friction force in rock, observed in experiemntal studies and attributed to flash heating. …”
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  15. 575
  16. 576
    “…In this study, a continuous fixed-bed column adsorption system was employed for defluoridation of water using volcanic rocks, virgin pumice (VPum) and virgin scoria (VSco), as adsorbents. …”
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  17. 577
    “…This study defines a new boundary between the crystalline and sedimentary rocks of Eastern Dahomey Basin at the southwestern part of Nigeria using a geophysical approach that combines regional aeromagnetic and ground resistivity data. …”
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  18. 578
    “…Zircon U–Pb geochronology was carried out on plutonic rocks from Phnom Daek, Phnom Koy Rmeas, Svay Chras, Kon Mom, Koh Nheak, Andong Meas, Oyadav South, Svay Leu, and Phnom Soporkaley. …”
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  19. 579
    por Chen, Man, Li, Maojun, Li, Yiwei, Yi, Wukun
    Publicado 2021
    “…The detection of rock particle motion information is the basis for revealing particle motion laws and quantitative analysis. …”
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  20. 580
    “…In recent decades, researchers have paid more attention to the indirect tensile test than to the direct tensile test (DTT) of rocks, mainly due to difficulties in the alignment and the stress concentration at the end of an intact cylindrical specimen. …”
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