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3321
Efficient adsorption of methylene blue (MB) by an eco-friendly chitosan derivative adsorbent: An RSM and ANN modeling study
Published 2025-01-01“…The materials were characterized using different sets of analytical techniques, including scanning electron microscope (SEM), X-ray diffraction (XRD), Thermogravimetric analysis (TGA)/Differential thermal analysis (DTA), Fourier transform infrared (FTIR), and Brunauer-Emmett-Teller (BET)/Barrett-Joyner-Halenda (BJH). …”
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3322
A Study on Denoising Autoencoder Noise Selection for Improving the Fault Diagnosis Rate of Vibration Time Series Data
Published 2025-06-01“…Furthermore, the proposed method outperformed the conventional denoising technique based on the Wavelet Transform, demonstrating superior noise reduction capability. …”
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3323
Graphene Oxide Modified Bimetallic Al/Fe (Hydro)Oxides Doped Activated Carbon Composite for Efficient Adsorption of Hexavalent Chromium from Aqueous Solution
Published 2025-07-01“…In this study, Al2O3@Fe2O3 nanoparticles doped activated carbon was synthesized via a co-precipitation method, using equimolar amounts of iron (Fe) and aluminium (Al) salts in the presence of finely ground wheat straw at a bimetal-to-straw mass ratio of 10:1. …”
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3324
Classification and Time-Frequency Localization of Arbitrary LPWAN Signals With Radial Deformable DETR
Published 2025-01-01“…Inspired by Large Language Models (LLMs), sequences of STFT vectors from SDR IQs can leverage attention mechanisms, and finding out LPWAN signals in spectrograms is similar to object detection tasks in computer vision. Our method eliminates the need for hand-crafting CNN layers or signal processing pipelines for different LPWAN protocols provided that sufficient training samples are available. …”
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3325
Enhancing Hydrophobicity of Nanocellulose-Based Films by Coating with Natural Wax from <i>Halimium viscosum</i>
Published 2025-07-01“…For film production, two different chemical pulps gels (sulfite and sulfate) were first characterized in terms of solids content, rheology and Fourier transform infrared spectroscopy (FTIR). …”
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3326
Green Synthesis, Characterization, and Antibacterial Activity of CuO/ZnO Nanocomposite Using Zingiber officinale Rhizome Extract
Published 2023-01-01“…The synthesis of metal oxide nanocomposite by using the green method has gotten special consideration due to a cheaper and eco-friendly approach. …”
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3327
Effect of Polyvinyl Alcohol (PVA)/chitosan (CS) Weight Ratio on Morphology, Mechanical Properties, Antibacterial and Biodegradability of the Composite film for Food Packaging Appli...
Published 2025-06-01“…In this study, composite films with enhanced properties were developed by incorporating polyvinyl alcohol (PVA) into CS through a simple solution casting method. The effects of different PVA/CS weight ratios (70:30, 50:50, and 30:70 w/w) on the morphology, mechanical properties, antibacterial activity, and soil degradation of the composite films were analyzed. …”
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3328
A Transfer Learning Approach for Toe Walking Recognition Using Surface Electromyography on Leg Muscles
Published 2025-02-01“…In particular, Continuous Wavelet Transform (CWT) is applied to sEMG-filtered signals (with time windows of 1 s) to convert them into 2D images (scalograms). …”
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3329
Synthesis of White Silica From “Joha Rice Husk” (A Special Rice Variety of Assam, India), Characterization and Determination of Its Point of Zero Charge (pHPZC)
Published 2024-01-01“…The characteristic Fourier transform infrared (FTIR) spectroscopic peaks at 470–450, 801, and 1100 cm−1 for different modes of Si-O-Si vibrations also support the presence of silica. …”
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3330
The Electromechanical Modeling and Parametric Analysis of a Piezoelectric Vibration Energy Harvester for Induction Motors
Published 2025-05-01“…This energy harvester has a potential application in industrial electric motors to transform their vibration energy into electrical energy to power sensors.…”
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3331
The biodegradation of low-density polyethylene by Bacillus species
Published 2025-02-01“…Developing an eco-friendly management method to abate the menace prompted this research work. …”
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3332
Condition Monitoring of Chain Sprocket Drive System Based on IoT Device and Convolutional Neural Network
Published 2020-01-01“…The measured one-dimensional vibration time-series was transformed into time-scale images using continuous wavelet transform (CWT). …”
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3333
Formulation of Alginate- and Pectin-Based Beads Encapsulating Trichoderma for Sustainable and Efficient Agriculture
Published 2025-01-01“…All samples were characterized by Fourier transform infrared spectroscopy (FTIR). The overall results demonstrated the successful encapsulation of <i>Trichoderma</i> spp. and highlighted the effects of the different formulations on the physicochemical properties of the beads.…”
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3334
Feasibility of micro-organisms in soil bioremediation and dust control
Published 2024-09-01“…The characteristics of the capsules were analyzed by scanning electron microscopy (SEM), Fourier transform infrared spectroscopy (FTIR) and thermo-gravimetric thermal analysis (TGA). …”
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3335
Light positioning: A high-accuracy visible light indoor positioning system based on attitude identification and propagation model
Published 2018-02-01“…The system can accurately identify the attitude of a smartphone using its integrated sensors, distinguish different light emitting diode beacons using the fast Fourier transform algorithm, construct a position cost-function based on a visible light radiative decay model, and apply a nonlinear optimizing method to acquire the optimal estimation of final location. …”
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3336
Deep Transfer Learning Approach in Smartwatch-Based Fall Detection Systems
Published 2024-11-01“…To address the challenge of limited and device-specific datasets and to enhance model generalization across various devices, a Deep Transfer Learning approach is proposed. This method proves effective when data are poor. Specifically, the Continuous Wavelet Transform (CWT) is applied to raw accelerometer signals to convert them into 2D images, enabling the use of deep architectures for Transfer Learning. …”
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3337
Coffee processing waste as a reinforcing material in the preparation of chitosan-based magnetic composite for the removal of chromium (VI) from aqueous solution
Published 2025-06-01“…The composite adsorbent was synthesized using a co-precipitation method with different mixing ratios of chitosan to coffee husk fibers (27:75, 50:25, and 75:25). …”
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3338
Bioinspired Synthesis of Zinc Molybdate Nanoparticles: An Efficient Material for Growth Inhibition of Escherichia coli, Staphylococcus aureus, and Dye Remediation
Published 2023-01-01“…Zinc molybdate nanoparticles with molybdate are synthesized through green method with different salt precursors using Moringa oleifera leaf extract. …”
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3339
The efficiency and capabilities assessment of some local materials in wastewater treatment using the multi soil layering
Published 2025-06-01“…Releasing the effluents of urban wastewater treatment plants (UWTP) downstream especially in populated areas, can negatively affect the surface water, groundwater quality. A new method, Multi soil layering (MSL) ecotechnology introduced last few decades, a cost-efficient treatment system can reduce those negative issues. …”
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3340
Enhancing the performance of bituminous hot mix pavements with graphene nanoplatelet additive using taguchi optimization
Published 2025-07-01“…Based on the experimental plan established by the Taguchi method, 16 different mixtures were prepared using four parameters, each with four levels: GNP rates of 0 %, 0.35 %, 0.70 %, and 1 %; mixing temperatures of 145°C, 160°C, 175°C, and 190°C; mixing times of 15, 30, 45, and 60 min; and mixing speeds of 1000, 2000, 3000, and 4000 rpm. …”
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