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441
Numerical Modeling of Rock Panels Subjected to Blast Loadings
Published 2022-01-01“…For a given scaled distance, the Gaolishan sandstone damages most severely, followed by Xixia limestone, Chuanshan limestone, and mineralized limestone. …”
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442
Numerical Simulation Study of Pore-Throat Evolution of Upper Paleozoic in Ordos Basin, China
Published 2021-01-01“…Differentiation results in the evolution of porosity and a pore-throat system of sandstone types have clear characteristics, such as lithic quartz sandstones of the He 8 Member in the Sulige area and quartz sandstones of the Shan 2 Member in the Yulin area. …”
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443
Geological Characterisation of Depleted Oil and Gas Reservoirs for Carbon Sequestration Potentials in a Field in the Niger Delta, Nigeria
Published 2016-05-01“… The injectivity, containment and storage capacity of sandstone reservoirs in a field in the Coastal Swamp depobelt of the onshore eastern Niger Delta were evaluated using wireline logs and seismic data to assess their potentials for carbon dioxide storage and geosequestration. …”
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444
Geological Characterisation of Depleted Oil and Gas Reservoirs for Carbon Sequestration Potentials in a Field in the Niger Delta, Nigeria
Published 2016-05-01“… The injectivity, containment and storage capacity of sandstone reservoirs in a field in the Coastal Swamp depobelt of the onshore eastern Niger Delta were evaluated using wireline logs and seismic data to assess their potentials for carbon dioxide storage and geosequestration. …”
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445
Physicochemical Properties of Handere Clays and Their Use as a Building Material
Published 2015-01-01“…These clay units primarily consist of uncoloured claystone, pebbly sandstone, sandstone, siltstone, and mudstone marl and include gypsum lenses and clay levels of various thicknesses in places. …”
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446
Rock fracture mode and acoustic emission characteristics under true triaxial single-sided unloading path
Published 2025-02-01“…The acoustic emission ringing count and the b-value curve indicate that compared with siltstone and fine sandstone, granite and coal are more prone to rock burst after unloading. …”
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447
Experimental and Theoretical Investigations of Hard Rocks at High Temperature: Applications in Civil Engineering
Published 2021-01-01“…Argillite at 200°C and sandstone and granite at 400°C undergo seriously damage. …”
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448
Experimental Study on SHPB Dynamic Mechanical Response in Different Damage Zones of Rock under Blast Load
Published 2022-01-01“…In this study, the damage characteristics of the slit charge pack along the rock slitting and the vertical slitting directions were investigated using green sandstone as the subject. Split-Hopkinson pressure bar (SHPB) experiments were performed on green sandstone, and the dynamic mechanical properties of rock specimen were analyzed in the slitting and vertical slitting directions. …”
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449
International Cooperation and Negotiated Settlements for Transnational Bribery: A Study of the Odebrecht Case
Published 2021-12-01“…International investigative cooperation allows a foreign authority to assist another on criminal and/or civil investigations, through requests of mutual legal assistance, rogatory letters, as well as joint investigative teams. Sanction-based cooperation helps different authorities to transfer or extradite persons and recover proceeds of corruption to the victims. …”
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450
Electrical Imaging of a Shallow Free-Phase Stray Gas Plume from an Abandoned Exploration Well
Published 2021-01-01“…The FPG plume spanned the vertical extent of approximately 20 to 55 metres below the ground surface, located within the Slick Rock Member sandstone with the relatively low permeability Earthy Member silty sandstone acting as a caprock. …”
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451
Medidas de bioseguridad que aplica el personal de enfermería durante la estancia hospitalaria
Published 2022-12-01“…Conclusiones: Se concluye que la aplicación de las medidas de bioseguridad en la dimensión de lavado de manos, uso del respirador, uso de mandilón y uso de guantes se encuentra en nivel medio en el personal de enfermería. …”
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452
Controlling Effect of Wave-Dominated Delta Sedimentary Facies on Unconventional Reservoirs: A Case Study of Pinghu Tectonic Belt in Xihu Sag, East China Sea Basin
Published 2022-01-01“…The accumulation of tight sandstone is closely related to the dominantly sedimentary facies and diagenetic modification of physical properties and faults. …”
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453
The fault systems that control the occurrences of iron ore deposits in northeastern Aswan, Egypt
Published 2025-02-01“…The Abu Aggag Formation consists of kaolinitic conglomerate, conglomeratic sandstone, and mudstone. The upper Timsah Formation consists of ferruginous sandstones, oolitic ironstone, and mudstone. …”
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454
Study on the Evolution Laws of Anchoring Property of Surrounding Rock of Argillaceous Weakly Cemented Roadway in Water Environment
Published 2022-01-01“…The weakly cemented sandstone compositions were analyzed by using X-ray diffraction instrument. …”
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455
Groundwater Aquifer Vulnerability Assessment using a Dar-Zarrouk Parameter in a Proposed Aboru Residential Estate, Lagos State, Nigeria
Published 2020-01-01“…The VES delineated four (4) geo-electric layers namely; topsoil, pebbly/lateritic sand, clay/clayey/silty sand and sandstone. The depth to the sandstone aquifer ranges from 30.6 – 39.4 m with resistivity values ranging from 851 – 1437 Ωm. …”
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456
Influence of Real-Time Heating on Mechanical Behaviours of Rocks
Published 2020-01-01“…In this paper, the mechanical properties of sandstones, marbles, and granites under real-time heating were investigated with a servo-controlled compression apparatus. …”
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457
Study on Crack Evolution and Failure Mechanism of Fully Penetrated Fracture Grouting Body
Published 2022-01-01“…The results show that the peak strength of crack-grouting sandstone decreases with the increase of crack inclination under the same loading rate. …”
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458
A New Evaluation Method of Total Organic Carbon for Shale Source Rock Based on the Effective Medium Conductivity Theory
Published 2021-01-01“…Therefore, a total organic carbon (TOC) evaluation model suitable for shale and tight sandstone was established based on the effective medium symmetrical conduction theory. …”
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459
Variation in the Permeability of Intact and Fractured Rocks due to Transient Disturbances in Axial Stress or Pore Pressure
Published 2019-01-01“…In this study, the permeability values of intact and triaxially fractured Kushiro Cretaceous sandstone and Shikotsu welded tuff were measured before and after transient axial stress or pore pressure disturbances to clarify the effects of transient stress disturbances on rock permeability. …”
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460
Sobre antiperonismo y radicalización política: la oposición al estado de guerra interno (1951-1955)
Published 2020-01-01“…Tras el fallido levantamiento militar de Benjamín Menéndez en septiembre de 1951, el presidente Juan Domingo Perón decretó el estado de guerra interno, que no era una figura legal prevista en la Constitución reformada dos años atrás. Su sanción, vigente hasta la caída del gobierno en 1955, fue justificada por el oficialismo frente a los intentos de desestabilización por parte de la oposición. …”
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