Showing 421 - 440 results of 909 for search 'Sanditon~', query time: 3.10s Refine Results
  1. 421

    Production Data Analysis and Practical Applications in the Sulige Tight Gas Reservoir, Ordos Basin, China by Minhua Cheng, Wen Xue, Meng Zhao, Guoting Wang, Bo Ning, Guang Ji, Lihua Cheng, Yingying Tian

    Published 2021-01-01
    “…Successful exploitation of tight sandstone gas is one of the important means to ensure the “increasing reserves and production” of the oil and gas initiative and also one of the important ways to ensure national energy security. …”
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    Article
  2. 422

    Experimental Study on Seepage Properties of Postpeak Fractured Rocks under Cyclic Loading-Unloading Confining Stress and Axial Stress by Xiaobo Zhang, Zuhao Xia, Chi Yao, Jianhua Yang, Mingdong Yang

    Published 2021-01-01
    “…For this reason, the permeability of fractured sandstone and granite is experimentally investigated under cyclic loading-unloading confining stress and axial stress. …”
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  3. 423

    Loading Rate Effect of Rock Material with the Direct Tensile and Three Brazilian Disc Tests by Fengqiang Gong, Le Zhang, Shanyong Wang

    Published 2019-01-01
    “…A series of experimental tests were conducted to investigate the effects of loading rate on the tensile strength of sandstone by using four test methods, including a direct tensile method and three typical Brazilian disc methods (plate loading, circular arc loading, and strip loading). …”
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    Article
  4. 424

    Experimental Investigation of Water-Inrush Risk Based on Permeability Evolution in Coal Mine and Backfill Prevention Discussion by Meng Li, Jixiong Zhang, Weiqing Zhang, Ailing Li, Wei Yin

    Published 2019-01-01
    “…The minimum and maximum permeabilities occurred in the sandstone specimens that were subjected to elastic deformation and strain-softening stages, respectively. …”
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    Article
  5. 425

    Influence of habitats on fish assemblages in tropical marine coastal areas of the Southwestern Atlantic by Márcio J. C. A. Lima Júnior, José A. C. C. Nunes, Cláudio L. S. Sampaio

    Published 2025-02-01
    “…Here we highlight relevant information for tropical areas little investigated by science in the Southwestern Atlantic, especially with regard to the importance of coastal sandstone reefs.…”
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    Article
  6. 426

    Rock Mechanical Property Influenced by Inhomogeneity by Yunliang Tan, Dongmei Huang, Ze Zhang

    Published 2012-01-01
    “…The homogeneities of grey diabase, black diabase, grey sandstone, and red sandstone are 7.8, 5.7, 4.4, and 3.4, separately; their average fractal dimensions of microstructure are 2.06, 2.03, 1.72, and 1.40 correspondingly, so the homogeneity is well consistent with fractal dimension. …”
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  7. 427

    Experimental Study on the Permeability of Weakly Cemented Rock under Different Stress States in Triaxial Compression Tests by Gangwei Fan, Mingwei Chen, Dongsheng Zhang, Zhen Wang, Shizhong Zhang, Chengguo Zhang, Qizhen Li, Bobo Cao

    Published 2018-01-01
    “…Mudstone and shaly coarse sandstone samples of Jurassic units in northwestern China were collected to study the seepage mechanism of weakly cemented rock affected by underground mining operations. …”
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    Article
  8. 428

    Study on Dynamic Constitutive Model of Weakly Consolidated Soft Rock in Western China by Lei Wang, Hongming Su, Yue Qin, Shiguan Chen

    Published 2020-01-01
    “…To obtain the impact mechanical response and establish the dynamic damage constitutive relationship of frozen sandstone at low temperature conditions, the impact test of Cretaceous red sandstone under different temperatures was conducted using a split Hopkinson pressure bar (SHPB) device. …”
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    Article
  9. 429

    Solar Energy Modelling over a Residential Community in the City of Calgary, Alberta, Canada by Quazi K. Hassan, K. Mahmud Rahman, Anis S. Haque, Ahad Ali

    Published 2011-01-01
    “…Over the portion of Sandstone, ~1706.49 m2 roof surface area was suitable for potential installation of the photovoltaic cells. …”
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    Article
  10. 430

    Yield components of the triticale collection material in the environments of the Middle Amur region by K. V. Zenkina, T. A. Aseeva

    Published 2020-10-01
    “…The following cultivars were identified as promising breeding sources: ‘AC Certa’, ‘Lana’, ‘Zolotoy Grebeshok’ and ‘Ulyana’ for their optimal yield in the Middle Amur region; ‘AC Certa’, ‘Zolotoy Grebeshok’, ‘Mykola’, ‘Korovai Kharkivsky’ and ‘Victoria’ for earliness; ‘Victoria’, ‘Rovnya’, ‘Kobzar’ (Ukraine), ‘Losinovske’, ‘Zgurivsky’ and ‘Sandio’ for plant height; ‘Lotos’, ‘Yarilo’, ‘ZG 186’, ‘Oberig Kharkivsky’, ‘Tleridal’ and ‘Sandio’ for ear length; ‘Lana’, ‘Ulyana’, ‘Lotos, ‘Yarilo’, ‘ZG 186’, ‘Pamyat Merezhko’, ‘Victoria’, ‘Kobzar’, ‘Oberig Kharkivsky’, ‘Tleridal’ and’ Sandio’ for the number of spikelets per ear; ‘AC Certa’, ‘Lana’, ‘Dagvo’, ‘Pamyat Merezhko’ and ‘Kobzar’ for the number of grains per ear; ‘Ukro’, ‘Lotos’, ‘Yarilo’, ‘Rovnya’ and ‘Kobzar’ for grain weight per ear; ‘Ukro’, ‘Skory’ and ‘Rovnya’ for grain size; ‘Ukro’, ‘Skory’ and ‘Rovnya’ protein content in grain; ‘Dagvo’, ‘Kobzar’ and ‘Sandio’ for lysine content in grain; ‘AC Certa’, ‘Lana’, ‘Skory’, ‘Lotus’, ‘Yarilo’, ‘ZG 186’, ‘Pamyat Merezhko’, ‘Victoria’, ‘Rovnya’, ‘Kobzar’, ‘Losinovske’, ‘Zgurivsky’, ‘Oberig Kharkivsky’, ‘Tleridal’ and ‘Sandio’ for resistance to lodging; ‘Lana’, ‘Pamyat Merezhko’, ‘Victoria Zgurivsky’, ‘Oberig Kharkivsky’ and ‘Tleridal’ for disease resistance.Conclusion. …”
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  11. 431

    Electrochemical Intelligent Recognition of Mineral Materials Based on Superpixel Image Segmentation by Weiping Liu, Fangzhou Jin

    Published 2022-01-01
    “…Based on all the experimental results, it can be seen that after the two-stage processing of the designed superpixel algorithm and the region merging algorithm, the final sandstone slice image segmentation results are close to the results of manual labeling, which is helpful for the subsequent research on sandstone component identification. …”
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  12. 432

    Integrated hydrothermal evolution of a Botucatu paleodune and a blanketing lava flow from the Serra Geral Group, Uruguaiana by Leo Afraneo Hartmann, Felipe Padilha Leitzke, Cassiana Roberta Lizzoni Michelin, Melissa Johner, Cristiano de Carvalho Lana

    Published 2025-02-01
    “…Rhombi and bowls at the top of the silicified sandstone units are significant, as is the poor preservation of eolian layering. …”
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  13. 433

    Groundwater-Mixing Mechanism in a Multiaquifer System Based on Isotopic Tracing Theory: A Case Study in a Coal Mine District, China by Pinghua Huang, Xinyi Wang

    Published 2018-01-01
    “…Palaeo-groundwater in a sandstone aquifer accounts for more than 60%, and that in the Cambrian limestone aquifer is lower than 20%. …”
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  14. 434

    Source apportionment of the sediments entering dam using lithological and mineralogical studies by S. Afshar, B. Saghafian, H.R. Vosoughifar

    Published 2016-05-01
    “…The results showed that most sediment samples in Taleghan are of sedimentary sandstone, mainly containing the quartz and plagioclase minerals (quartz sandstone and arkose sandstone). …”
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  15. 435

    Numerical Simulation of Dynamic Response Characteristics of Cutting Coal and Rock by a Roller Coal Cutter by Kesong Fan, Yutong Feng, Ruoyang Kong, Hua Wei, Wenlong Jiao, Chenghao Fu, Yunsen Zhou

    Published 2021-01-01
    “…The torque from high to low is as follows: sandstone, mudstone, and coal. The average speed from high to low is as follows: coal, mudstone, and sandstone. …”
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  16. 436

    Mechanical Properties of the Shear Failure of Rock Masses with Prefabricated Sinusoidal Fractures by Limei Tian, Hongzhou Zhang, Wei Hong, Yunxia Zhang, Jinghua Zhang, Wenhui Tan

    Published 2022-01-01
    “…The TFD-20H/50J rock shear testing machine was used for shear tests on sinusoidal-fracture sandstone with different undulated heights. In the shear loading process, the prefabricated-fracture sandstone specimens with different undulated heights have the fracture-compacting stage, linear-elastic changing stage, bottom-up stage, and residual strength stage. …”
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  17. 437

    Evaluation of the Water Yield of Coal Roof Aquifers Based on the FDAHP-Entropy Method: A Case Study in the Donghuantuo Coal Mine, China by Yaowen Zhang, Lili Zhang, Haijun Li, Baoming Chi

    Published 2021-01-01
    “…To evaluate the water yield of the sandstone aquifer in the roof of the Carboniferous-Permian Damiaozhuang Formation no. 8 coal seam in the Donghuantuo Mine, North China, seven main controlling factors affecting the water yield of sandstone aquifers are determined, including the permeability coefficient, consumption of drilling fluid, core recovery, aquifer thickness, brittle-plastic rock thickness ratio, fault scale index, and fault point density. …”
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  18. 438

    Optical-electrical-acoustic wave multiparameter response characteristics of typical rocks in coal-bearing strata throughout the loading process by Pingsong ZHANG, Chang LIU

    Published 2025-01-01
    “…During the tests, the strain measured using distributed optic fibers for sandstone, limestone, and mudstone under critical fracturing were 933×10−6, 401×10−6, and 3790×10−6, respectively. …”
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    Article
  19. 439

    Numerical Simulation of Split-Hopkinson Pressure Bar Tests for the Combined Coal-Rock by Using the Holmquist–Johnson–Cook Model and Case Analysis of Outburst by Beijing Xie, Dongxin Chen, Hao Ding, Guangyu Wang, Zheng Yan

    Published 2020-01-01
    “…Based on the split-Hopkinson pressure bar (SHPB) test of the combined coal and rock with a bullet velocity of 4.590–8.791 m/s, the numerical model of four kinds of combined coal and rock with different sandstone-coal-sandstone ratios, including 1 : 1 : 1, 2 : 1 : 1, 1 : 1 : 2, and 1 : 2 : 1, is investigated. …”
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  20. 440

    Analysis of Rock β-Dynamic Parameters and the Stability of Earthquake Dangerous Rocks Based on PFC by Yun Tian, Lin-feng Wang, Biao Zeng, Hong-hua Jin

    Published 2020-01-01
    “…Under cyclic loading, cracks had a degrading effect on the damping ration (β) and the damping coefficient (C) of sandstone. Mudstone recorded relatively low β and low brittleness whilst sandstone had high β and high brittleness. …”
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