Suggested Topics within your search.
Suggested Topics within your search.
-
2941
Study on Mechanical Properties of Basalt Fiber-Reinforced Concrete with High Content of Stone Powder at High Temperatures
Published 2021-01-01“…The mechanical properties and ultrasonic characteristics at different temperatures were studied using the cube compressive strength test and nonlinear ultrasonic test. …”
Get full text
Article -
2942
Ultrasound‐Assisted Extraction (UAE) for the Utilization of Deep‐Water Pink Shrimp (Parapenaeus longirostris) Processing Waste: Comprehensive Characterization of Carotenoid Astaxan...
Published 2025-07-01“…ABSTRACT In this study, astaxanthin extract was obtained from deep‐water pink shrimp (Parapenaeus longirostris) shell wastes by ultrasound‐assisted extraction method using six different organic solvents, characterized and compared with commercial astaxanthin standard. …”
Get full text
Article -
2943
Essential Oil from Hibiscus Flowers through Advanced Microwave-Assisted Hydrodistillation and Conventional Hydrodistillation
Published 2022-01-01“…Different peaks in the gas chromatography/mass spectrometry (GC/MS) analysis indicated the presence of thirty-seven different compositions. …”
Get full text
Article -
2944
Phytochemical analysis and biogenic synthesis of silver nanoparticles from Phlomis bracteosa Royle ex Benth. and screening of their antimicrobial and antioxidant potential
Published 2024-12-01“…Further, the Fourier transform infrared spectroscopy suggested the presence of carbonyls, nitrogenous compounds and different types of hydrocarbons in SNPs. …”
Get full text
Article -
2945
A Comprehensive Review of Piezoelectric Ultrasonic Motors: Classifications, Characterization, Fabrication, Applications, and Future Challenges
Published 2024-09-01“…Secondly, finite element modeling analysis for design and performance predictions, conventional and nano/micro-fabrication methods, and various characterization methods are presented. …”
Get full text
Article -
2946
Adaptive Measurement and Parameter Estimation for Low-SNR PRBC-PAM Signal Based on Adjusting Zero Value and Chaotic State Ratio
Published 2024-10-01“…Then, two novel approaches are proposed, including the adjusting zero value (AZV) method and the chaotic state ratio (CSR) method. The proposed weak signal detection system exhibits unique capability to adaptively modify its internal periodic driving force frequency, thus altering the difference frequency to estimate the signal parameters effectively. …”
Get full text
Article -
2947
Bias Estimation for Low-Cost IMU Including <i>X</i>- and <i>Y</i>-Axis Accelerometers in INS/GPS/Gyrocompass
Published 2025-02-01“…Simulation datasets from experimental voyages validate the proposed method by evaluating the mean, median, normalized cross-correlation, least squares, and fast Fourier transform (FFT). …”
Get full text
Article -
2948
Enhancing corn industry sustainability through deep learning hybrid models for price volatility forecasting.
Published 2025-01-01“…The model integrates a three-layer decomposition combined dual-filter time-series denoising method (TLDCF-TSD), a bidirectional time-convolutional enhancement network (BiTCEN), a bidirectional long- and short-term memory network (BiLSTM), and a frequency-enhanced channel attention mechanism (FECAM) to improve prediction accuracy and robustness. …”
Get full text
Article -
2949
Extraction and Characterization of Novel Natural Hydroxyapatite Bioceramic by Thermal Decomposition of Waste Ostrich Bone
Published 2020-01-01“…A novel natural hydroxyapatite (HAp) bioceramic was extracted from the ostrich cortical bone by the thermal decomposition method. HAp was characterized by different analytical tools such as thermogravimetric analysis (TGA), Fourier-transform infrared spectroscopy (FTIR), X-ray diffraction (XRD) analysis, and scanning electron microscopy (SEM). …”
Get full text
Article -
2950
Exploring infill pattern and density effects on the tensile properties of 3D printed ABS
Published 2025-05-01“…Fused Deposition Modeling (FDM) is recognized as an efficient method for creating durable, complex parts quickly and affordably. …”
Get full text
Article -
2951
Effect of Sintering Temperature on Structural and Morphological Properties of Europium (III) Oxide Doped Willemite
Published 2014-01-01“…Willemite- (Zn2SiO4-) based glass ceramics doped with various amounts of europium oxide (Eu2O3) were prepared by solid state melting and quenching method. Effect of sintering temperature (600–1000°C) on structural and morphological properties of the doped samples was investigated. …”
Get full text
Article -
2952
Photocatalytic Degradation of Ciprofloxacin by GO/ZnO/Ag Composite Materials
Published 2025-03-01“…GO/ZnO/Ag composites with different ratios were prepared via an impregnation and chemical reduction method and characterized using X-ray diffraction (XRD), scanning electron microscopy (SEM), Fourier-transform infrared spectroscopy (FT-IR), and X-ray photoelectron spectroscopy (XPS). …”
Get full text
Article -
2953
An optimized potential formula of the $ m \times n $ apple surface network and its application of potential in path planning
Published 2025-03-01“…Compared with the original potential formula, this method significantly enhances the efficiency required for rapid and large-scale numerical simulations. …”
Get full text
Article -
2954
A characteristics approach to shock formation in 2D Euler with azimuthal symmetry and entropy
Published 2025-03-01“…The novelty of this work relative to [1] is that we herein consider a much larger class of initial data, allow for a non-constant initial entropy, allow for a non-trivial sub-dominant Riemann variable, and introduce a host of new identities to avoid apparent derivative loss due to entropy gradients. The method of proof is also new and robust, exploring the transversality of the three different characteristic families to transform space derivatives into time derivatives. …”
Get full text
Article -
2955
Classification of Iranian Wheat Flour by FT-MIR Spectroscopy based on Max-Relevance Min-Redundancy Wavelength Selection Coupled with SVM
Published 2025-07-01“…Different varieties of wheat as one of the strategic crops are cultivated in Iran based on the specific geographical and climatic conditions of each area. …”
Get full text
Article -
2956
Multifaceted bioinspired hyperbranched polyurethane nanocomposite as a non-contact triggered self-healing material
Published 2020-06-01“…Silica nanoparticles were functionalized with sodium dodecyl sulfate and polyethylene glycol using a facile, simple one-pot method. The nanomaterial and the HPU nanocomposites were assessed by Fourier Transform Infrared Spectroscopy (FTIR), Ultraviolet (UV)-visible, X-ray Diffraction (XRD), Transmission Electron Microscope (TEM), mechanical and thermal studies. …”
Get full text
Article -
2957
Porous Carbon Synthesis from Oil Palm Waste Pyrolysis for Energy Storage Applications
Published 2024-11-01“…Pyrolysis procedures have emerged as an exceptionally encouraging method to transform biomass into valuable products. …”
Get full text
Article -
2958
Thermal and Dielectric Behaviour of Polymer-Based Nanocomposites Flexible Sheets as Highly Stable Dielectric Materials
Published 2023-01-01“…The energy-dispersive X-ray spectroscopy and Fourier-transform infrared spectroscopy analyses confirm the presence of different elements and the formation of chemical bonding between them. …”
Get full text
Article -
2959
Glass transition temperature of Agar-Reduced Graphene Oxide (RGO) Composites using 2-D contour mapping of temperature dependent FTIR spectra
Published 2024-12-01“…In the present work, composites of Reduced Graphene Oxide (RGO) and Agar have been synthesized via the solution cast method and their structural, thermal and dielectric properties are studied. …”
Get full text
Article -
2960
Decreasing of water absorptiveness of paper by coating nanofibrillated cellulose films
Published 2021-09-01“…The pristine model paper and papers coated with nanofibrillated cellulose-based composite films were characterized in terms of water absorptiveness by COBB method and water drop contact angle measurements. …”
Get full text
Article