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181
Educational sustainability: A multi-scale elementary school resource distribution variability from China
Published 2025-01-01“…Based on these findings, the study discusses the characteristics of each sector, utilizing methods of supervision, cooperation, communication, and guidance to create a dynamic mechanism for maintaining equity in educational resources. …”
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182
The effect of liquid organic hydrogen carrier on the physico-mechanical and rheological properties of injection-molded high-density polyethylene and polyketone
Published 2025-03-01“…In addition, energy absorption increased after aging at 25 °C and decreased at 60 °C showing ductile behavior. Dynamic mechanical analysis (DMA) results showed an overall decrease in storage modules in all the aged samples of HDPE. …”
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183
Study on dynamic compression characteristics of coal containing gas under different strain rates
Published 2025-01-01“…The dynamic stress-strain curves under different strain rates were analyzed to study the effects of strain rate and gas pressure on the dynamic mechanical characteristics. Crushed coal samples were sieved and analyzed using a standard sieve and fractal theory. …”
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184
Thermo-mechanical viscoelastic characterization and modeling of 4D printed shape memory polymers
Published 2025-02-01“…Moreover, temperature sweep, stress relaxation, creep, coefficient of thermal expansion (CTE) and strain-controlled shape memory tests were performed using a dynamic mechanical analyzer (DMA). A shape fixity of ∼97 % and a recovery ratio of ∼99 % was obtained in the shape memory tests. …”
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185
Study on the Numerical Relationship between Dynamic Compressive Strength and Crushing Energy Consumption in Dynamic Point Load Test under Different Corrosion Conditions
Published 2023-01-01“…Therefore, it is of great significance to study the influence of hydrochemical corrosion on dynamic mechanical properties of rock to ensure the stability of surrounding rock. …”
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186
Effects of Heat Treatment on the Microstructure and Mechanical Properties of Selective Laser Melting 316L Stainless Steel
Published 2021-01-01“…The experimental results showed that the three-state samples exhibited strain rate sensitivity in the dynamic mechanical tests and that solution treatment could alter their mechanical properties significantly. …”
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187
The Nordic-walking mechanism and its explanation of deconfined pseudocriticality from Wess-Zumino-Witten theory
Published 2025-01-01“…In this work, we demonstrate that the nature of the deconfined quantum critical point can be best understood in terms of a novel dynamical mechanism, termed Nordic walking. Nordic walking denotes a renormalisation group flow arising from a beta function that is flat over a range of couplings. …”
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188
Design, Fabrication, and Characterization of 3D-Printed Multiphase Scaffolds Based on Triply Periodic Minimal Surfaces
Published 2024-01-01“…The models were subjected to compressive and shear testing using a dynamic mechanical analysis rheometer. All samples were tested at physiologically relevant temperature (37°C) to provide detailed structural characterizations. …”
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189
Dynamic Splitting Behavior and the Constitutive Relationship of Frozen Sandstone Containing a Single Fissure
Published 2021-01-01“…A dynamic constitutive relationship is established by considering the effects of fissure angle and freezing temperature on the dynamic properties of frozen fractured sandstone, which is proven to be highly reliable and provides a reference and basis to study the dynamic mechanical properties of similar rock types.…”
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190
Magnetic-responsive triple shape memory polymer from bio-based benzoxazine/urethane polymer alloys with iron oxide nanoparticles
Published 2025-01-01“…It was found that the addition of Fe3O4 NPs can enhance the dynamic mechanical properties and magnetic characteristics of the V-fa/PU polymer alloys thanks to the superparamagnetic property of Fe3O4 NPs. …”
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191
Reconfiguration of brain network dynamics in bipolar disorder: a hidden Markov model approach
Published 2024-12-01“…This study investigated the dynamic mechanisms of brain network dysfunction in BD and offered fresh perspectives for exploring the physiological foundation of altered brain dynamics.…”
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192
The theoretical cognition and research paradigm of land system science
Published 2025-01-01“…The research paradigm of land system science has gradually transformed from knowledge and phenomenon description to the simulation and prediction of complex land systems, which emphasizes the integration of multidisciplinary theories and methods as well as understanding the local-distant coupled interactions of land systems based on the integrated multiscale analysis of expanding boundaries, and focuses on the construction of large-scale quantitative land system models to provide comprehensive and dynamic integrated analysis, prediction and simulation of its dynamic mechanisms, integrated effects and future scenarios and risks, and appeals for an opening scientific collaboration in the era of big data.…”
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193
Research on the influence of loading rate on the dynamic initiation fracture toughness of CMDB propellant
Published 2024-12-01“…So this work investigated the dynamic initiation fracture toughness of the composite modified double-base (CMDB) propellant by both experiments and numerical simulations. The dynamic mechanical properties test of the cracked straight through flattened Brazilian disc (CSTFBD) specimens were conducted using a modified Split Hopkinson pressure bar (SHPB). …”
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194
The Sanya Incoherent Scatter Radar Tristatic System and Initial Experiments
Published 2024-09-01“…The monitoring of low latitude dynamical drivers, such as neutral wind and ionospheric electric field, is essential for both dynamic mechanism investigations and applications. The Sanya Incoherent Scatter Radar Tristatic System (SYISR‐TS) was proposed with the main objective of low latitude ionospheric monitoring and investigation and has been successfully developed over the past decade. …”
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195
Mechanism and Characterization of Bicomponent-Filler-Reinforced Natural Rubber Latex Composites: Experiment and Molecular Dynamics (MD)
Published 2025-01-01“…The underlying mechanisms between the dual-component fillers were elucidated through dynamic mechanical analysis (DMA), a rubber process analyzer (RPA), and field emission scanning electron microscopy (SEM). …”
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196
Viscoelastic and Thermal Characterization of a Composite Material Based on Unsaturated Polyester Resin Reinforced with Perlite
Published 2024-12-01“…The composites obtained were subjected to different characterization techniques, namely rheological tests (dynamic mechanical analysis (DMA)), thermal tests (differential calorimetric analysis (DSC)) and Thermogravimetric analysis (ATG) and structural characterization by Fourier transform infrared (FTIR). …”
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197
Effect of recycling on the time- and temperature-dependent mechanical properties of PP/MWCNT composite liner materials
Published 2025-03-01“…In this study twin-screw extrusion was used to prepare the nanocomposites and their recyclates with 0.3, 0.5, and 1 w/w% MWCNT content, followed by injection molding to produce test specimens. Tensile and dynamic mechanical analysis (DMA) tests revealed that Young's and storage modulus of the recyclates increased, while elongation at break decreased compared to the base material due to the mechanical properties and stiffness of MWCNT. …”
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198
Waste Coir Nanofiller Fused Gallus-Gallus Fibres Reinforced PMC
Published 2023-01-01“…The composite samples were prepared with a rally round of polyester resin of grade GP500 bio-epoxy by synthesizing specially treated Gallus-Gallus fibres selectively used for reinforcement and characterizing them through static and dynamic mechanical analyses to identify their wide range of applicability. …”
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199
Identification of heterogeneous constitutive model of laser additive manufactured materials based on nano-indentation test and orthogonal metal cutting
Published 2025-01-01“…The findings demonstrate that these constitutive model accurately capture the heterogeneous nature of AM-ed materials and effectively characterizes their dynamic mechanical behavior under conditions of large strain (up to 5), high strain rate (up to 105 s−1), and high temperature (up to 850 °C). …”
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200