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Mostrando 101 - 120 Resultados de 147 Para Buscar 'rock instrumental', tiempo de consulta: 0.10s Limitar resultados
  1. 101
    por Liu, Huibin, Jiang, Bo, He, Wanying
    Publicado 2020
    “…The comprehensive analysis results show that the differential deformation of roadways is affected by many factors, such as the buried depth of the stratum, lithology and structural characteristics, fracture development degree, mining influence, composite deformation mechanics mechanism of weak swelling rock stratum, in situ stress field, tectonic stress mechanism, fracture development, etc.…”
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    Characteristics of the In Situ Stress Field in the Yadian Coal Mine, Central China: Implications for Roadway Differential Deformation
  2. 102
    “…Following chemical purification in a series of chromatographic extractions, isotope ratios were measured by Multi-Collector-ICP-MS using a Plasma II (Nu instruments, Wrexham, UK). To validate efficient sample digestion procedures of carbonate fractions, total samples were treated with either 3 mol l(−1) HNO(3) and 0.5 mol l(−1) HCl, respectively. …”
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    A coherent method for combined stable magnesium and radiogenic strontium isotope analyses in carbonates (with application to geological reference materials SARM 40, SARM 43, SRM 88A, SRM 1B)
  3. 103
    “…Askival is a light‐toned, coarsely crystalline float rock, which was identified near the base of Vera Rubin Ridge in Gale crater. …”
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    Askival: An altered feldspathic cumulate sample in Gale crater
  4. 104
    “…Thin sections were done for the determination of mineral assemblages and textural features of rocks using Leica DM 750P optic microscope. Mineralogical compositions of sediments were obtained using the X-ray diffraction (XRD) instrument. …”
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    Petrology and Au-PGE investigation dataset of the recent alluvial sediments from the Ngaye River watershed, northern Cameroon
  5. 105
    por Hansford, G. M.
    Publicado 2016
    “…Both a pure quartz powder pellet and an unprepared mudstone rock specimen are used to test and develop the phase-targeted method. …”
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    Phase-targeted X-ray diffraction
  6. 106
    “…In order to determine the microbial communities of commercial salts, an investigation were done using amplicon sequencing approach in four commercial salts: Ethiopian Afdera salt (EAS), Ethiopian rock salt (ERS), Korean Jangpan salt (KJS), and Korean Topan salt (KTS). …”
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    Diversity of Extremely Halophilic Archaeal and Bacterial Communities from Commercial Salts
  7. 107
    “…Sensitivity and specificity were assessed and analyzed by Rock Chart analysis. Descriptive and analytical statistical tests were used at a significant level of 0.05. …”
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    Androgen Deficiency in Aging Males: Translation and Validation Study of the Iranian Version
  8. 108
    “…Surface heterogeneities below the spatial resolution of thermal infrared (TIR) instruments result in anisothermality and can produce emissivity spectra with negative slopes toward longer wavelengths. …”
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    Quantifying Sub‐Meter Surface Heterogeneity on Mars Using Off‐Axis Thermal Emission Imaging System (THEMIS) Data
  9. 109
    “…We also observe trends in the H signal with grain size, separate from chemical variation, whereby coarser‐grained rocks have higher hydrogen. Variability in the hydrogen content of rocks points to a history of water‐rock interaction at Gale crater that included changes in lake water chemistry during Murray formation deposition and multiple subsequent groundwater episodes.…”
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    Hydrogen Variability in the Murray Formation, Gale Crater, Mars
  10. 110
    “…Another important component of the monitoring system is a new instrument, the InterfacEGG, which is capable of dynamically tracking the freshwater‐saltwater interface. …”
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    Groundwater Impacts from the M5.8 Earthquake in Korea as Determined by Integrated Monitoring Systems
  11. 111
    “…The ability of tardigrades to survive impact shocks in the kilometer per second and gigapascal range was investigated. When rocks impact planetary surfaces, the impact speeds and shock pressures are in the kilometer per second and gigapascal range. …”
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    Tardigrade Survival Limits in High-Speed Impacts—Implications for Panspermia and Collection of Samples from Plumes Emitted by Ice Worlds
  12. 112
    “…This study gives new insights into the colonization steps of volcanic rock substrates and the capability of microbial communities to exploit new environmental conditions.…”
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    Microbial colonization of basaltic glasses in hydrothermal organic-rich sediments at Guaymas Basin
  13. 113
    “…Such biosignatures could be detectable by future missions to Mars with appropriate instrumentation.…”
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    Nitrate-Dependent Iron Oxidation: A Potential Mars Metabolism
  14. 114
    “…Dwellings built on carbonate bedrock had indoor radon values that were 2.8 pCi/L (103.6 Bq m(−3)) higher, on average, compared to homes built on siliclastic rock. Homes with higher near soil radon and those built <40 ago were more likely to have indoor radon ⩾4.0 pCi/L (148 Bq m(−3)). …”
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    Geologic, seasonal, and atmospheric predictors of indoor home radon values
  15. 115
    “…Its distributed character harnesses complementary knowledge, expertise, and instrumentation in the discipline of chemical biology from 20 European partners, and its open working model ensures that academia and industry can readily access EU-OPENSCREEN’s compound collection, equipment, and generated data. …”
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    EU-OPENSCREEN: A Novel Collaborative Approach to Facilitate Chemical Biology
  16. 116
    “…METHODS: We show how to fabricate a simple, low-cost, uniaxial stretching device, with readily available materials and instruments that is compatible with high-resolution time-lapse microscopy of adherent cell monolayers. …”
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    An Easy-to-Fabricate Cell Stretcher Reveals Density-Dependent Mechanical Regulation of Collective Cell Movements in Epithelia
  17. 117
    “…Microbial life permeates Earth's critical zone and has likely inhabited nearly all our planet's surface and near subsurface since before the beginning of the sedimentary rock record. Given the vast time that Earth has been teeming with life, do astrobiologists truly understand what geological features untouched by biological processes would look like? …”
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    Deciphering Biosignatures in Planetary Contexts
  18. 118
    “…Finally, we used the large-sized physical simulation device for tight oil WIHP that can bear high temperature and high pressure and a nuclear magnetic resonance instrument to conduct experiments of five cycles of constant pressure WIHP (CWIHP) with WIPs of 25, 32.5, and 40 MPa and step-by-step pressure rising WIHP (SWIHP) (the WIP was 25, 30, 33, 37, and 40 MPa in order) and obtained the liquid production law and mechanism of tight volcanic rock (TVR) under CWIHP and SWIHP. …”
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    Influence of Water Injection Pressure and Method on Oil Recovery of Water Injection Huff and Puff in Tight Volcanic Oil Reservoirs
  19. 119
    “…Our understanding of geomagnetic field intensity prior to the era of direct instrumental measurements relies on paleointensity analysis of rocks and archaeological materials that serve as magnetic recorders. …”
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    Archaeomagnetism in the Levant and Mesopotamia Reveals the Largest Changes in the Geomagnetic Field
  20. 120
    “…However, size, mass, and power limitations mean that these instrument suites cannot yet match the instrumental capabilities available in Earth-based laboratories. …”
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    Using Organic Contaminants to Constrain the Terrestrial Journey of the Martian Meteorite Lafayette
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