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1341
Converting Organic Municipal Solid Waste Into Volatile Fatty Acids and Biogas: Experimental Pilot and Batch Studies With Statistical Analysis
Published 2025-02-01“…These studies examine the influence of hydraulic retention time (HRT), pretreatment, biochar addition, and fine-tuned feedstock/inoculum (FS/IN) ratio on bioproducts and operational parameters. …”
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1342
Study on Reasonable Layout of Upper Protective Layer for Prevention Rock Burst under Coal Seam Group with Close Quarters Conditions
Published 2021-01-01“…A new stress superposition area is formed at the middle to lower end part of advance mining face of panel 3203 for the stage II under the optimal layout scheme conditions, and the maximum stress concentration coefficient is about 2.4; the original L-shaped stress superposition area is gone due the transfer and release of stress, and the optimal layout scheme has a very significant effect on the prevention and control of the subsequent rock burst accidents; the monitoring results of working resistance of hydraulic supports and surrounding rock deformation indicate that the overall pressure relief of the surrounding rock in advanced segment of 3205 tailgate can be effectively realized. …”
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1343
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1344
Numerical Study of Concentric Brace Equipped with the Eccentric Elements for Strengthening Buildings
Published 2024-02-01“…To address this imperfection and induce the seismic response of the concentrically braced frames, several methods proposed to optimize the performance of concentric braces as; using ductile connections, incorporating shear dissipators, hydraulic or mechanical dampers, frictional dissipators, and restrained braces to avoid buckling. …”
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1345
Assessing climate sensitivity of the Upper Indus Basin using fully distributed, physically-based hydrologic modeling and multi-model climate ensemble approach
Published 2025-02-01“…A coupled hydrologic/hydraulic model, MIKE SHE/MIKE HYDRO RIVER, was used to calibrate and validate the model using streamflow data at the Shatial gauge station. …”
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1346
Two-Phase Flow Model for Numerical Investigation of Impact of Water Retention on Shale Gas Production
Published 2021-01-01“…This work can give a better understanding of the two-phase flow process in shale reservoirs and shed light on the field application of hydraulic fracturing.…”
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1347
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1348
Effects of Real-Time High Temperature and Loading Rate on Deformation and Strength Behavior of Granite
Published 2022-01-01“…Under real-time high-temperature conditions, the thermal crack effect has a significant influence on the uniaxial compressive strength and elastic modulus of granite, without the thermal hardening effect of quenched granite. During hydraulic fracturing, the rock skeleton near the injection well is cooled and shrunk, as is the thermal hardening effect caused by high-temperature quenching. …”
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1349
Fabrication of Hybrid Materials Based on Waste Polyethylene/Porous Activated Metakaolinite Nanocomposite as an Efficient Membrane for Heavy Metal Desalination Processes
Published 2021-01-01“…Significantly, the constructed membrane showed marked improvements in porosity, hydrophilicity, and hydraulic resistance. Moreover, elemental mapping studies have confirmed the intercalation of activated bentonite clay within the polymer matrix. …”
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1350
Study on scour simulation and boundary condition conversion technology for a shallow foundation bridge
Published 2025-02-01“…This method utilizes point cloud reverse engineering technology to generate a riverbed surface from the three-dimensional coordinate matrix of the boundary and import it into the structural analysis field. Hydraulic effects are calculated using a CFD model and transferred to the structural domain through fluid-structure interaction technology, achieving multi-physical field coupling among water flow, soil, and structure. …”
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1351
Facies distribution, sequence stratigraphy, and reservoir quality of the Oligo-Miocene carbonate sequences (Asmari formation) in the Dezful embayment, SW Iran
Published 2025-01-01“…In addition, three third-order depositional sequences (sequences 1, 2, and 3) have been recognized through the Asmari Formation in the Haft-Kel Oil field that is well correlated with sequences IV, V, and VI proposed by van Buchem et al. (2010), respectively. Using the Hydraulic Flow Unit (HFU) concept, six rock types have been identified for the Asmari reservoir. …”
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1352
Comparison of three recent discrete stochastic inversion methods and influence of the prior choice
Published 2022-10-01“…The knowledge about subsurface is however limited and often provided indirectly by state variables, such as hydraulic heads of contaminant concentrations. In such cases, solving a categorical inverse problem is an important step in subsurface modeling. …”
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1353
Studies on Hydration Swelling and Bound Water Type of Sodium- and Polymer-Modified Calcium Bentonite
Published 2020-01-01“…Modified calcium bentonite (Ca-bentonite) is extensively used in engineered barrier systems (EBSs) for municipal and industrial disposal sites due to its high swelling potential and low hydraulic conductivity. However, few studies have focused on the micromechanism of hydration and swelling under the effect of inorganic chemical solution. …”
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1354
DITC control strategy for semi-direct drive system with switched reluctance motor in coal mine belt conveyor
Published 2024-12-01“…., Ltd. uses a drive system consisting of an asynchronous motor, hydraulic coupling, and reduction gears. This system exhibits issues such as low transmission efficiency, lengthy transmission chain, and poor speed regulation performance. …”
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1355
Effect of short basalt fibers on energy-dissipating properties of lightweight rubberized concrete shear wall
Published 2024-09-01“…To acquire the mechanical and dynamic properties of the material, hysteresis loops were obtained from 1000 cycles of compression fatigue tests under 0.1 and 0.05 strain rates on a servo-hydraulic machine through quasi-static laboratory tests. …”
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1356
Integrated AutoML-based framework for optimizing shale gas production: A case study of the Fuling shale gas field
Published 2025-03-01“…Furthermore, a bi-objective optimization algorithm named NSGA-II is seamlessly incorporated to optimize hydraulic fracturing designs for production boost and cost control. …”
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1357
An analytical study for predicting incipient motion velocity of sediments under ice cover
Published 2025-01-01“…The study reveals that the roughness of ice cover significantly influences the incipient motion velocity of sediment, with higher ratios of ice cover roughness to riverbed roughness promoting sediment initiation under more favorable hydraulic conditions. Furthermore, the riverbed beneath ice jams experiences significant scouring. …”
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1358
Sealing Performance of New Solidified Materials: Mechanical Properties and Stress Sensitivity Characterization of Pores
Published 2020-01-01“…In this study, the MTS815 electro-hydraulic triaxial servo test system and MR-60 NMR test system were adopted to conduct triaxial compression control experiment on the coal sample material, concrete material, and new solidified sealing material, respectively. …”
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1359
Experimental Study of Volumetric Fracturing Properties for Shale under Different Stress States
Published 2021-01-01“…Therefore, this study primarily investigated the evolution of crack initiation and propagation in a hydraulic rock mass under various stress conditions. …”
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1360
Machine Learning Models for Spring Discharge Forecasting
Published 2018-01-01“…A promising alternative is represented by data-driven approaches. Recently, many hydraulic engineering problems have been addressed by means of advanced models derived from artificial intelligence studies. …”
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