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3381
Feature Extraction and Attribute Recognition of Aerosol Particles from In Situ Light-Scattering Measurements Based on EMD-ICA Combined LSTM Model
Published 2024-11-01“…At the same time, the proposed new method for particle property recognition demonstrates good classification performance for six different types of particles with a particle size of 2 μm, achieving a classification accuracy of 98.83%. …”
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3382
Biological synthesis of silver nanoparticles; its characterization and therapeutic potential using Grewia optiva leaves extract
Published 2025-03-01“…It was found that the ideal temperature for the synthesis of nanoparticles was 85 °C, the ideal pH range was 6-7, and the ideal salt concentration was 2 mL. Different techniques were used for characterization, including X-ray diffraction (XRD) to determine the crystalline structure of nanoparticles, Fourier-transform infrared spectroscopy (FT-IR) to identify chemical bonds and functional groups, using an Energy Dispersive X-ray Spectrometer (EDX) and transmission electron microscopy (TEM) to determine particle size in detail, and scanning electron microscopy (SEM) to analyze morphological aspects. …”
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3383
Biomimetic Computing for Efficient Spoken Language Identification
Published 2025-05-01“…Further, one more challenge is the significant variance in speech signals caused by factors such as different speakers, content, acoustic settings, language differences, changes in voice modulation based on age and gender, and variations in speech patterns. …”
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3384
Research on the Design Process and Approaches for Low-Carbon Ecological Parks in Urban Areas of Northwestern China
Published 2025-07-01“…The low-carbon design practice of Tongchuan Peony Park is implemented, and the average carbon sink capacity of different zones of the project is quantitatively compared from the perspective of function and landscape characteristics.ConclusionThrough the synergistic consideration of ecological functions and practical uses, a design process and optimization method based on the integration of ecology and functionality are proposed, providing scientific guidance for the practice of low-carbon ecological parks. …”
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3385
3-Bromopyridine-Heterogenized Phosphotungstic Acid for Efficient Trimerization of Biomass-Derived 5-Hydroxymethylfurfural with 2-Methylfuran to C21 Fuel Precursor
Published 2020-01-01“…The heterogeneous acidic catalyst could be reused for four consecutive cycles without obvious loss of activity, and different characterization techniques (e.g., XRD (X-ray diffraction), TG (thermogravimetric analysis), SEM (scanning electron microscope), FT-IR (Fourier transform infrared spectroscopy), and BET (Brunauer-Emmet-Teller)) were utilized to investigate the performance of the catalyst. …”
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3386
FFT-based surrogate modeling of auxetic metamaterials with real-time prediction of effective elastic properties and swift inverse design
Published 2024-12-01“…In this paper, the fast Fourier transform (FFT)-based homogenization approach is adopted to efficiently generate data for developing surrogate models, bypassing concerns about periodic mesh generation and boundary conditions typically associated with the finite element method (FEM). …”
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3387
The Synthesis of Magnetic Nitrogen-Doped Graphene Oxide Nanocomposite for the Removal of Reactive Orange 12 Dye
Published 2022-01-01“…The successful construction of the nanocomposite was confirmed using different characterization techniques including scanning electron microscopy (SEM), transmission electron microscopy (TEM), Fourier transform-infrared spectroscopy (FT-IR), and X-ray diffraction (XRD). …”
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3388
Rapid Classification of Milk Using a Cost-Effective Near Infrared Spectroscopy Device and Variable Cluster–Support Vector Machine (VC-SVM) Hybrid Models
Published 2024-10-01“…The aim of this study was to develop and implement a method based on the combination of a compact and low-cost Fourier Transform near infrared (FT-NIR) spectrometer and variable cluster–support vector machine (VC-SVM) hybrid model for the rapid classification of milk in accordance with EU Regulation EC No. 1308/2013 without any pre-treatment. …”
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3389
Oil spill cleanup using EDTA-coated magnetite magnetic nanoparticles
Published 2024-12-01“…This study adopted a straightforward and economical method utilizing iron oxide magnetic nanoparticles for oil spills cleanup. …”
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3390
Nonlinear oscillations of a lumped system with series spring, piezoelectric device, and feedback controller
Published 2025-04-01“…In addition, bifurcation diagrams and Poincaré maps (PMs) are graphed to illustrate the different behavioral modes of the system. Conversely, piezoelectric transducers are linked to the dynamic model to transform vibrational motion into electrical energy. …”
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3391
Selective nano alumina supported vanadium oxide catalysts for oxidative dehydrogenation of ethylbenzene to styrene using CO2 as soft oxidant
Published 2013-12-01“…The characterization results indicated that V2O5 is highly dispersed on alumina up to 30%-V2O5/γ-Al2O3-MW prepared by MW method. The TPD studies indicated that there are significant differences in acid amount and strength for V2O5/γ-Al2O3-C and V2O5/γ-Al2O3-MW-catalysts. …”
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3392
Crystallographic characterization of gypsum synthesized from marine wastes (Babylonia japonica, Olive sayana, and Conasprella bermudensis)
Published 2024-12-01“…Different characterization techniques like Thermogravimetric Analysis (TGA), X-ray Diffraction (XRD), Fourier Transform Infrared Spectroscopy (FTIR), Scanning Electron Microscopy (SEM), and Energy Dispersive X-ray Spectroscopy (EDX) were used to confirm the formation of the nanocrystals. …”
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3393
Simulation and experiment research on heat treatment of micro and nano BN particles modified casting aluminum copper alloys
Published 2025-07-01“…Orthogonal tests were used to carry out heat treatment experiments on aluminum matrix ceramic composites prepared by adding different contents of micro-nano BN particles. Then, a crystal model was established, and the heat treatment process was simulated by the molecular dynamics (MD) method. …”
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3394
Green synthesis of silver nanoparticles using Nothapodytes foetida leaf extract: Optical, antibacterial and anticancer activities
Published 2025-01-01“…The synthesized Nf-AgNPs were characterized by UV-Visible spectroscopy (UV-Vis), Fourier transform infrared spectroscopy (FT-IR), Powder X-ray diffraction (XRD), Scanning electron microscopy (SEM), Energy dispersive X-ray analysis (EDX) and Photoluminescence (PL) techniques. …”
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3395
Enhanced photocatalytic and electrochemical properties of green synthesized strontium doped titanium dioxide nanoparticles for dye removal and supercapacitor applications
Published 2025-03-01“…In this study, we synthesized strontium-doped titanium dioxide (Sr-TiO2) nanoparticles (NPs) via a green method and investigated their structural, optical, and electrochemical properties to enhance photocatalytic and supercapacitive performance. …”
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3396
Size-controllable synthesis of hydroxyapatite nanorods via fluorine modulation: applications in dental adhesives for enhanced enamel remineralization
Published 2025-02-01“…The characterization analyses of FHA nanorods were demonstrated by X-ray diffraction (XRD), Fourier-transform infrared spectroscopy (FTIR), and transmission electron microscopy (TEM). …”
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3397
Green synthesis of silver nanoparticles from plant Astragalus fasciculifolius Bioss and evaluating cytotoxic effects on MCF7 human breast cancer cells
Published 2025-07-01“…Transmission electron microscopy (TEM), Fourier transform infrared (FTIR) spectroscopy, ultraviolet–visible (UV–Vis) spectroscopy, and X-ray diffraction analysis (XRD) were used to characterization of the AgNPs using aqueous extract of Anzaroot-silver nanoparticles (Anz@AgNPs). …”
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3398
Hybrid precoding and power allocation for mmWave NOMA systems based on time delay line arrays
Published 2022-06-01“…Specifically,the Dinkelbach method is applied in the outer layer to transform the fractional structure of the objective function in EE optimization into a subtractive structure, and the non-convex objective function is transformed into a convex function by using mathematical tools in the inner layer, and then an iterative algorithm based on alternating optimization (AO) is proposed for power allocation, and finally the solution of the initial problem is obtained by circular iteration in both inner and outer layers. …”
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3399
Automatic GPR detection of grouting defects behind the tunnel shield segments based on wavelet coherence analysis combined with modified Res-RCNN
Published 2025-07-01“…The approach employs wavelet coherence to transform the time-series GPR profile into the time-frequency images and reveal the weak defect reflections. …”
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3400
Deep Learning Shield Attitude Prediction Model Based on Grey Correlation Analysis
Published 2025-03-01“…Objective A stacking ensemble prediction model based on long short-term memory (LSTM) and support vector regression (SVR) is proposed to address the issue of shield attitude deviation from the tunnel design axis.Methods The grey correlation analysis was employed to remove the rolling angle parameters with low grey correlation and then denoise them using discrete wavelet transform (DWT). …”
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