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401
Preparation of PET matrix gradient composite fiber membrane for coal mine and Study on the dust filtration-moisture permeability
Published 2025-02-01“…In this study, using PET as substrate, hydroxylated graphene was added to enhance diffusion and electrostatic adsorption effects to capture dust. …”
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402
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403
Oxygen diffusion and surface exchange kinetics for the mixed-conducting oxide La0.6Sr0.4Co0.8Fe0.2O3-δ
Published 2018-12-01“…The values of interphase exchange rate and oxygen diffusion coefficient were determined. The effective activation energies for oxygen exchange and diffusion processes as well as the exponents in the dependence of these values versus oxygen pressure in the double logarithmic coordinates were calculated. …”
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404
Band-Gap Change and Photocatalytic Activity of Silica/Titania Composites Associated with Incorporation of CuO and NiO
Published 2014-11-01“…According to the XPS data, the doping oxides are completely absent at a composite surface. All the composites are shown to be more effective photocatalysts than titania Degussa P25.…”
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405
Influence of high-speed gas flow on the tensile strength of 2.5D C/SiC composites
Published 2025-05-01“…The tensile strength and tensile modulus of 2.5D C/SiC composites were reduced.…”
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406
Synthesis and Application of Fe-Doped TiO2-Halloysite Nanotubes Composite and Their Potential Application in Water Treatment
Published 2019-01-01“…The photocatalyst-adsorbent composite (TiO2-Fe-HNTs) was synthesized by the hydrothermal method and characterized by X-ray diffraction, thermogravimetric analysis, Fourier-transform infrared spectroscopy, scanning electron microscopy-energy dispersive X-ray spectroscopy, and diffuse reflectance spectroscopy. …”
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407
Preparation and Properties of a Flexible Al2O3/Al/Al2O3 Composite
Published 2018-01-01“…The well-adhered layers of the sandwich structure can also prevent the fracture of the MAO coating. The thermal diffusivity of the composite is between that of aluminum and Al2O3 and the specific electrical resistance is 45.4% of that of Al2O3 under 50 V. …”
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408
Visible Light-Driven Mn-MoS2/rGO Composite Photocatalysts for the Photocatalytic Degradation of Rhodamine B
Published 2020-01-01“…The samples were characterized using X-ray diffraction (XRD), Fourier-transform infrared spectroscopy (FTIR), scanning electron microscopy (SEM), transmission electron microscopy (TEM), electron paramagnetic resonance spectroscopy (EPR), UV-visible diffuse reflectance spectroscopy (UV-Vis DRS), and X-ray photoelectron spectroscopy (XPS), which indicates the composites containing nanosheets of Mn-MoS2 and rGO components. …”
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409
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410
Tailored pc@zro₂@cellulose fiber composites as versatile materials for photocatalytic metal ion reduction and microbial deactivation
Published 2025-07-01“…This study investigates novel fixed bed photocatalysts composed of ZrO2@cellulose fibers, combined with various photocatalytic materials (PCs), including ZnO, V2O5, Bi2S3, MoS2, and PANI, for the reduction of heavy metal ions and microbial deactivation in water. The composite materials were characterized using X-ray diffraction (XRD), Fourier-transform infrared spectroscopy (FTIR), scanning electron microscopy (SEM), N2 adsorption/desorption isotherms, and diffuse reflectance spectroscopy (DRS). …”
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411
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412
Impact of Supercritical Carbon Dioxide on Pore Structure and Gas Transport in Bituminous Coal: An Integrated Experiment and Simulation
Published 2025-03-01“…The injection of CO<sub>2</sub> into coal reservoirs occurs in its supercritical state (ScCO<sub>2</sub>), which significantly alters the pore structure and chemical composition of coal, thereby influencing the adsorption and diffusion behavior of methane (CH<sub>4</sub>). …”
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413
Study on Phase Transition Mechanism of Polymer Composite Cold Thermal Energy Storage Agent Based on Molecular Dynamics Simulation
Published 2022-01-01“…Composite phase-change cold thermal energy storage materials have attracted significant attention in recent years; however, studies on their microscopic phase-change mechanism have garnered insignificant interest. …”
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414
Molecular dynamics simulation of calcium carbonate nano filled PLA/PPC composites: interfacial properties and water vapor barrier
Published 2025-05-01“…The analysis of the water adsorption sites on the composites, the energy distribution, and the mean square displacements (MSD) of water in the different samples, as well as the diffusion coefficients, showed that the filler with 3 wt% of CaCO₃ had a better dispersibility in the matrix, the free volume of the system was reduced, and the diffusion channel of water vapour was widened, which led to promising success in the field of biodegradable membranes for food packaging or waterproofing for agriculture. …”
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415
Effects of the amount and size of hexagonal boron nitride on the radiation resistance of silicone rubber
Published 2024-12-01“…In addition, gas chromatography analysis of the radiolytic gas (hydrogen) yield and oxygen consumption of the composites and free-radical-scavenging experiments revealed that the addition of h-BN reduced the diffusion rate of O2 in SR and enhanced the radiation resistance of the composites.…”
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416
Study of the effect of zinc oxide on the antifungal action of the polymer blend (unsaturated polyester and natural rubber) for industrial applications
Published 2025-03-01“…The X-ray diffraction analyses and water diffusion coefficients were examined. The diffusion coefficient of the composite material with a concentration of 2 % had the highest value, after which the values began to fall, while the increase was linear at less than this concentration. …”
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417
Formation mechanism of porous hollow SnO2 nanofibers prepared by one-step electrospinning
Published 2012-02-01“…SnO2 hollow nanofibers were fabricated by directly annealing electrospun polyvinylpyrrolidone (PVP)/Sn precursor composite nanofibers. In this approach, an appropriate proportion of PVP/Sn precursor with co-solvents established a system to form core/shell PVP/Sn precursor structure, and then PVP was decomposed quickly which acted as sacrificial template to keep fibrous structure and there existed a Sn precursor/SnO2 concentration gradient to form hollow SnO2 nanofibers due to the Kirkendall effect and surface diffusion during the calcination process. …”
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418
Tailoring Bi to boost CuAgBi2I8 solar cells
Published 2025-06-01“…This work provides a novel idea and approach to governing the gas–solid element diffusion and reaction for high‐quality CABI and related halide perovskite films.…”
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419
Unveiling the chemical composition, antioxidant and antibacterial properties, and mechanistic insights of Convolvulus arvensis extract through molecular docking simulations
Published 2024-12-01“…Antimicrobial activity was determined using minimum inhibitory concentration (MIC), minimum bactericidal concentration (MBC), well diffusion agar, and disk diffusion agar assays. The antioxidant properties were assessed through ferric reducing antioxidant power (FRAP) and DPPH free radical scavenging assays. …”
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420
An Experimental Study on the Hardness, Inter Laminar Shear Strength, and Water Absorption Behavior of Habeshian Banana Fiber Reinforced Composites
Published 2024-12-01“…The random orientation of the fiber structure in short fiber composites results in the largest moisture absorption; this behavior is further supported by elucidating the kinetic parameters and diffusion coefficient parameters. …”
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