-
4341
All-Fiber LITES Sensor Based on Hollow-Core Anti-Resonant Fiber and Self-Designed Low-Frequency Quartz Tuning Fork
Published 2025-05-01“…By utilizing HC-ARF as both the transmission medium and gas chamber, the laser tail fiber was spatially coupled with the HC-ARF, and the end of the HC-ARF was directly guided onto the QTF surface, resulting in an all-fiber structure. This design eliminated the need for lens combinations, thereby enhancing system stability and reducing cost and size. …”
Get full text
Article -
4342
MIMO Control Architectures for Secondary Voltage Regulation in Electrically Coupled Transmission Grids: Design and Dynamic Performance
Published 2025-01-01“….), makes the present transmission system structure and behavior significantly different compared to those taken as bases for the design of voltage control systems. …”
Get full text
Article -
4343
HPLC Identification of Mare’s Milk and Its Mix with Cow’s Milk
Published 2021-06-01“…The differences in the retention time of α-lactoalbumin were associated with the presence of 33 amino acid substitutions in the primary structure of both milks. The areas of α-lactoalbumin peaks were used to calculate the amount of cow’s milk added to mare’s milk and the related percentage. …”
Get full text
Article -
4344
MUSEQuBES: Unveiling Cosmic Web Filaments at z ≈ 3.6 through Dual Absorption and Emission Line Analysis
Published 2025-01-01“…The spatial distribution of the LAEs strongly suggests the presence of an underlying filamentary structure. This is further supported by the detection of a large Ly α -emitting nebula with a surface brightness of $\geqslant 1{0}^{-19}\,\mathrm{erg}\,{\mathrm{cm}}^{-2}\,{{\rm{s}}}^{-1}\,{\mathrm{arcsec}}^{-2}$ , with a maximum projected linear size of ≈260 pkpc extending along the LAEs. …”
Get full text
Article -
4345
Bee Bread Drying Process Intensification in Combs Using Solar Energy
Published 2025-04-01“…Simulations focus on the variations in temperature (288–315 K) and relative humidity (1–1.5%) within the honeycomb structure under convective airflow. Experimental trials examine the relationship between moisture content and variables such as bee bread mass, airflow rate, number of frames (5–11 units), and drying time (2–11 h). …”
Get full text
Article -
4346
Zn-Co nanoferrite electrocatalysts for enhanced hydrogen and oxygen generation
Published 2025-07-01“…Fourier transform infrared spectroscopy and X-ray diffraction techniques respectively corroborated chemical synthesis and cubic spinel structure of Zn1-xCoxFe2O4 alpha-ferrite electrocatalyst nanocrystals. …”
Get full text
Article -
4347
Study on the characteristics of head and neck movements of geese walking in a straight line at different speeds
Published 2025-05-01“…BackgroundThe avian cervical spine, a crucial anatomical structure connecting the cephalic and thoracic regions, serves a critical function in maintaining visual stability during locomotion. …”
Get full text
Article -
4348
Experimental evaluation of mechanically stabilized earth walls reinforced with glass fiber reinforced polymer bars embedded in marble waste-sand mixtures
Published 2025-03-01“…These results underscore the potential of optimum MWS mixtures and GFRP bars in improving the structural performance and serviceability of MSE walls, highlighting their effectiveness in reducing deformations and increasing load bearing capacity, as well as enhancing sustainability and economy in MSE wall design.…”
Get full text
Article -
4349
TiO<sub>2</sub> Nanorod Array for Betavoltaic Cells: Performance Validation and Enhancement with Electron Beam and <sup>63</sup>Ni Irradiations
Published 2025-06-01“…The simulation results revealed optimal energy deposition characteristics, with ~96% of β-particle energy effectively absorbed within the 2 μm thick FTO/TNRA/NiO<sub>x</sub>/Au structure. The NiO<sub>x</sub>-incorporated device achieved an energy conversion efficiency of 4.84%, with a short-circuit current of 119.9 nA, an open-circuit voltage of 324.2 mV, and a maximum power output of 24.0 nW, representing a 3.76-fold enhancement over HTL-free devices. …”
Get full text
Article -
4350
Nanochannel Electrochemical Sensor Based on Multi-walled Carbon Nanotubes and Gold Nanoparticles for Heavy Metal Detection in Grains
Published 2025-08-01“…The surface morphology and structure of the AuNPs-MWCNTs@AAO membrane were characterized by scanning electron microscopy (SEM), transmission electron microscopy (TEM), and X-ray diffraction (XRD). …”
Get full text
Article -
4351
Deep Learning-Based Metal Artifact Reduction With Masked Mean Squared Error Loss Function in Simulation CT for Radiation Therapy for Head and Neck Cancer
Published 2025-01-01“…Deep learning-based approaches to metal artifact reduction have recently been proposed, yet these methods still struggle to effectively remove metal artifacts in head and neck computed tomography (CT) images, which have a complex structure and can contain strong artifacts due to the insertion of dental fillings and implants. …”
Get full text
Article -
4352
Adsorptive removal of Pb2+ from wastewater using ZnO-Biochar nanocomposite
Published 2025-08-01“…Fourier transmission infrared spectroscopy (FTIR) and scanning electron microscopy (SEM) were used to examine the functional groups and surface morphology of the ZnO-Biochar nanocomposite, respectively. The structure of ZnO-Biochar nanocomposite with rough and porous surface performed the positive association in surface adsorption of Pb²⁺ pollutant. …”
Get full text
Article -
4353
High Sensitivity and Selectivity of PEDOT/Carbon Sphere Composites for Pb<sup>2+</sup> Detection
Published 2025-02-01“…In this study, solid carbon spheres were made using resorcinol and formaldehyde as raw materials, followed by the formation of PEDOT/carbon sphere composites via in situ oxidative polymerization, and Pb<sup>2+</sup> was detected utilizing them as electrode modification materials. The structure of the PEDOT/carbon spherical composites was analyzed using scanning electron microscopy (SEM), X-ray diffraction (XRD), and Fourier transform infrared spectroscopy (FTIR). …”
Get full text
Article -
4354
INFLUENCE OF ALVEOLAR BONE RESORPTION ON STRESS, DEFORMATION AND DISPLACEMENTS IN MANDIBULAR IMPLANT-SUPPORTED REMOVABLE HYBRID PROSTHESES: A FINITE ELEMENT STUDY
Published 2025-06-01“…As bone resorption increased, higher stress concentrations and mechanical demands were observed in the cortical and cancellous bone, at the implant–Ti bar interface, and within the acrylic saddle structure. These results emphasize the importance of preserving alveolar bone volume to maintain favorable stress distribution and prosthetic performance. …”
Get full text
Article -
4355
Optimizing brain tumor detection in MRI scans through InceptionResNetV2 and deep stacked Autoencoders with SwiGLU activation and sparsity regularization
Published 2025-06-01“…InceptionResNetV2, pre-trained on ImageNet, was fine-tuned to extract multi-scale features, while the DSAE structure compressed these features to highlight critical attributes essential for classification. …”
Get full text
Article -
4356
Study on Detection Method of Sulfamethazine Residues in Duck Blood Based on Surface-Enhanced Raman Spectroscopy
Published 2025-05-01“…Density functional theory (DFT) was employed to optimize the molecular structure of SM2 and perform theoretical Raman vibrational analysis, thereby identifying its characteristic peaks. …”
Get full text
Article -
4357
Synergistic Effects of Flower Color and Mechanical Barriers on Pollinator Selection Within the Papilionoideae of Fabaceae
Published 2025-05-01“…Given the specialized flower opening mechanisms and diverse color signals in the Papilionoideae of Fabaceae, this study examines how floral color and mechanical traits jointly mediate pollinator selection in five co-flowering sympatric species. The flower structure of Papilionoideae typically features a keel formed by fused petal lobes that encloses reproductive organs, with flower operative strength thresholds directly reflecting the mechanical resistance required to dehisce the keel and access nectar/pollen. …”
Get full text
Article -
4358
Variable Polarization of WR 31a: Binary Companion or Corotating Interaction Region?
Published 2025-01-01“…Multicolor (UBVR) photopolarimetric observations of WR 31a were obtained over nine nights in early-2007. The linear polarization data of WR 31a trace a “loop” structure in a Stokes Q − U diagram, which is similar in all four passbands. …”
Get full text
Article -
4359
Computational Insights into the Electronic, Optical, and Reactivity Behavior of Halogenated Phenanthrene Derivatives
Published 2024-12-01“…The research aims to understand how the substitution of halogens – namely fluorine (F), chlorine (Cl), and bromine (Br) – in the phenanthrene structure affects its electronic properties, reactivity, and potential applications. …”
Get full text
Article -
4360
Electrochemical Sensing of Hg<sup>2+</sup> Ions Using an SWNTs/Ag@ZnBDC Composite with Ultra-Low Detection Limit
Published 2025-07-01“…X-ray diffraction confirmed the successful incorporation of Ag nanoparticles and SWNTs without disrupting the crystalline structure of ZnBDC. Meanwhile, field-emission scanning electron microscopy and energy-dispersive spectroscopy mapping revealed a uniform elemental distribution. …”
Get full text
Article