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2181
Preparation and Performance Evaluation of Polymeric Microspheres Used for Profile Control of Low-Permeability Reservoirs
Published 2020-01-01“…The plugging performance and deformability of the polymeric microspheres gradually enhanced with swelling time, which makes the microspheres effective pore channel plugging agents for delivering a better in-depth profile control effect in rock cores with lower permeability. The core flooding test showed that, for the heterogeneous core with a permeability of 10 μm2, polymer microspheres have good plugging effect.…”
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2182
Rib Spalling 3D Model for Soft Coal Seam Faces with Large Mining Height in Protective Seam Mining: Theoretical and Numerical Analyses
Published 2020-01-01“…Besides, a self-developed three-dimensional numerical calculation software RFPA3D (Realistic Fracture Process 3D Analysis), which considered the rock heterogeneity, was used to reproduce a weak triangular prism’s progressive failure process. …”
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2183
Mechanical properties and macro–micro failure mechanisms of granite under thermal treatment and inclination
Published 2025-01-01“…Abstract The coupling effects of inclination angle (θ) and high temperature (T) on rock degradation present significant construction challenges for underground engineering projects, such as underground coal gasification, inclined mining pillars, and nuclear waste repositories. …”
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2184
Optimizing water resource management in tropical drought-prone regions through hybrid MCDM techniques: A water-stress mapping approach
Published 2025-02-01“…Groundwater resources of the region are also limited due to the composition of hard rock geology and the low yield prospects of hard aquifers. …”
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2185
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2186
Targeting Ferroptosis Attenuates Inflammation, Fibrosis, and Mast Cell Activation in Chronic Prostatitis
Published 2022-01-01“…Abundant collagen deposition, enhanced RhoA, ROCK1, and α-SMA protein levels indicated that EAP rats were prone to suffer from stromal fibrosis compared with control group. …”
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2187
Natural Enrichment of Trace Elements in Surface Horizons of Calcareous Soils (La Mancha, Spain)
Published 2015-01-01“…We can consider strontium, Sr, as the trace element that characterizes these limy soils (435 mg/kg average content in total soil and 708 mg/kg in the original rock). These contents are similar to the average value in Castilla-La Mancha of 380 mg/kg and are higher than the average in world soils of about 200 mg/kg. …”
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2188
Effect of the Preexisting Fissure with Different Fillings in PMMA on Blast-Induced Crack Propagation
Published 2018-01-01“…In order to study the dynamic crack propagation law in fissured rock under the different fillings, a borehole with 7 mm diameter was processed in the center of a polymethyl methacrylate (PMMA) specimen. …”
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2189
Prestack Inversion Identification of Dolomite Reservoirs in the Fourth Member of the Sinian Dengying Formation in Moxi Area, Sichuan Basin, SW China
Published 2021-01-01“…The dolomite reservoir of the fourth member of Dengying Formation in Moxi area of Sichuan Basin is thin, is fast in lateral variation, and has P-impedance difference from the surrounding rock; it is difficult to identify and predict the dolomite reservoir and fluid properties by conventional poststack seismic inversion. …”
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2190
Influence of the graphene oxide on heat conduction characteristics of cement-based honeycomb scaffolds
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2191
Research on Optimization of Coal Pressure Relief Borehole Parameters under High-Stress Conditions
Published 2021-01-01“…Determining the parameters of boreholes drilled for relieving pressure in coal seams is the key preventing and controlling rock bursts in boreholes of large diameter. In this study, theoretical analysis, numerical simulation, literature research, and other analysis methods are applied to study the angles of elastic energy dissipation and stress transfer, the distribution law of the pressure relief area, and the areas of stress concentration, energy, stress, displacement, and plastic behavior of large-diameter pressure relief boreholes in coal seams under high-stress conditions. …”
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2192
Big Data-Based Boring Indexes and Their Application during TBM Tunneling
Published 2021-01-01“…Boring indexes, such as normal boring difficulty index, initial rock mass fragmentation difficulty index, and tangential boring difficulty index, are defined using the coefficients of the linear thrust-penetration and torque-penetration relationships. …”
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2193
Ultrasonic Time-Frequency Response Characteristics for Damage Evolution of Back-Filling Concrete under Staged Loading Conditions
Published 2022-01-01“…Under the influence of repeated mining disturbance, the back-filling body for the gob-side entry retaining may experience a reduction in the bearing capacity or even failure, complicating the control of surrounding rock stability in coal mines. This study employs an electro-hydraulic three-axis servo testing machine and an ultrasonic detection system to study damage evolution and the precursor instability response behavior of the back-filling concrete of the gob-side entry retaining. …”
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2194
Kola Peninsula Neolithic
Published 2024-08-01“…At the very end of the Late Neolithic, asbestos ceramics of the Lovozero and Pasvik types appear. Rock art of the Kola Peninsula mainly dates back to the Neolithic.…”
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2195
Experiment and Applications of Dynamic Constitutive Model of Tensile and Compression Damage of Sandstones
Published 2021-01-01“…Results showed that the unloading failure of surrounding rocks has significant accumulation effects, and the accumulated damage on the floor is larger than those on the roof and roadway walls. …”
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2196
Prediction and Analysis of PDC Bit Wear in Conglomerate Layer with Machine Learning and Finite-Element Method
Published 2022-01-01“…To achieve efficient drilling and prolong the bit service life, a simplified model of a PDC bit with double cutting teeth was established by using finite-element numerical simulation technology, and the rock-breaking process of PDC bit cutting teeth was simulated using the Archard wear principle. …”
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2197
Origin and Evolution of the Ore-Forming Fluids in the Liyuan Gold Deposit, Central North China Craton: Constraints from Fluid Inclusions and H-O-C Isotopic Compositions
Published 2017-01-01“…The Liyuan gold deposit is hosted within Archean basement metamorphic rocks and controlled by the NNE-trending faults in the central North China Craton. …”
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2199
Carbon Monoxide and Particulate Matter Concentrations inside the Road Tunnels of Guanajuato City, Mexico
Published 2021-06-01“…Lastly, the chemical components of the PM corresponded to the mineral dust originating from the eroded rock (mainly rhyolite), soil, and fortifying construction material inside the tunnels.…”
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2200
Microscale Research on Effective Geosequestration of CO2 in Coal Reservoir: A Natural Analogue Study in Haishiwan Coalfield, China
Published 2018-01-01“…The sealing capacity of cap rock (oil shale) and geological tectonism (F19 fault), as the major contributors to CO2 enrichment and accumulation, provides insights into the suitable selection of CCGS site for long geological time.…”
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