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A No-Reference Multivariate Gaussian–Based Spectral Distortion Index for Pansharpened Images | Advanced Image Quality Assessment #WorldResearchAwards

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Introduction Pansharpening plays a crucial role in remote sensing by integrating high-spatial-resolution panchromatic data with lower-resolution multispectral imagery to produce visually rich fused products. Despite its widespread use, pansharpening often introduces spectral distortions that can undermine the reliability of quantitative analyses such as classification, change detection, and biophysical parameter retrieval. Traditional quality assessment approaches, especially full-reference metrics, are limited by the availability of ground truth data, while many no-reference (NR) methods struggle to distinguish spectral distortions from spatial artifacts. This challenge motivates the development of robust NR spectral quality indices tailored specifically for pansharpened imagery. Limitations of Existing No-Reference Quality Metrics Current NR quality assessment methods, including widely used indices such as QNR, primarily focus on global consistency or mixed spatial–spectral pro...
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Feasibility and Optimization of Discrete-Wavelength DOAS for NO₂ Retrieval Using TROPOMI & EMI-II Observations | #WorldResearchAwards

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Introduction Nitrogen dioxide (NO₂) is a key atmospheric trace gas that plays a critical role in air quality, climate forcing , and human health. High-spectral-resolution retrieval techniques provide detailed absorption information but are often constrained by large data volumes, high computational demands, and complex instrument requirements. To overcome these limitations, this study explores a low-spectral-information retrieval strategy aimed at enabling fast, efficient, and reliable atmospheric NO₂ monitoring. By leveraging discrete wavelength sampling instead of continuous high-resolution spectra, the proposed approach seeks to preserve essential absorption features while significantly reducing data and processing burdens. Principle of Discrete-Wavelength Differential Optical Absorption Spectroscopy (DWDOAS) The DWDOAS technique adapts the conventional DOAS framework by selectively sampling a limited number of representative wavelengths rather than using full spectral coverage....
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Effect of Additive Manufacturing Surface Morphology on Dental Cement Adhesion to Zirconia #WorldResearchAwards

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Introduction durable adhesion to zirconia has long been a challenge in restorative dentistry because of zirconia’s chemically inert and non-etchable surface. conventional surface treatments such as polishing and alumina sandblasting rely mainly on limited micromechanical retention and may lead to variability in bonding performance. additive manufacturing (am) introduces a new paradigm by enabling precise control over surface morphology at the design stage itself. by tailoring surface topographies during fabrication, am offers the potential to enhance resin cement interlocking without the need for aggressive post-processing, opening new research directions for reliable zirconia bonding. Additive manufacturing of zirconia surfaces slurry-based 3d printing allows the fabrication of zirconia with customized surface architectures that are difficult or impossible to achieve using subtractive cad/cam methods. in this study, three am-derived surface designs—concave–convex hemispherical ...
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Plasma-Activated Solid Superacid Catalysts for Advanced Esterification #WorldResearchAwards

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Introduction The esterification of α-aromatic amino acids remains a significant challenge due to zwitterionic dissociation , strong intermolecular interactions, and severe steric hindrance . Conventional homogeneous acid catalysts often suffer from corrosion, separation difficulties, and limited efficiency, motivating the development of advanced heterogeneous catalytic systems. In this context, solid superacid catalysts supported on zeolitic frameworks have emerged as promising alternatives, offering strong acidity, structural stability, and reusability. This study focuses on designing an efficient solid superacid catalyst to overcome kinetic and thermodynamic barriers in the synthesis of highly hindered α-amino acid esters. Catalyst Design and Preparation To address these challenges, the solid superacid catalyst SO₄²⁻/TiO₂/HZSM-5 (STH) and its plasma-modified derivative SO₄²⁻/TiO₂/HZSM-5 (STH-RF) were synthesized using an aging–impregnation strategy. The combination of TiO₂ and HZS...
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Role of Single-Ion Anisotropy in Higher-Order Skyrmion Crystals | D3d Magnets #WorldResearchAwards

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Introduction The stabilization of topological spin textures such as skyrmions in magnetic systems has become a central topic in contemporary condensed matter physics due to their fundamental interest and technological potential. In particular, centrosymmetric magnets challenge the conventional understanding of skyrmion formation, as they lack the Dzyaloshinskii–Moriya interaction traditionally considered essential. This research investigates how single-ion anisotropy and crystal-symmetry-driven magnetic anisotropy under D3d symmetry can cooperatively stabilize higher-order skyrmion crystal phases , offering new microscopic insights into topological magnetism beyond non-centrosymmetric systems. Role of Single-Ion Anisotropy in Centrosymmetric Magnets Single-ion anisotropy, arising from the local two-dimensional crystal environment, plays a decisive role in shaping the spin configuration landscape. By energetically favoring specific spin orientations, it provides an intrinsic m...
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Defect Characterization of the SiO₂/Si Interface Using Positron Spectroscopy #worldresearchawards

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Introduction This research explores drift-assisted positron annihilation lifetime spectroscopy (PALS) applied to a p-type (100) silicon substrate within a metal–oxide–silicon (MOS) capacitor . By employing an externally applied electric field, the study demonstrates precise control over the spatial distribution of positrons prior to annihilation. This approach enables deeper insight into interface-sensitive defect characterization, particularly at the technologically critical SiO₂/Si interface , which plays a central role in modern semiconductor device reliability and performance. Electric-Field-Controlled Positron Drift in MOS Structures The operation of the MOS capacitor under accumulation, depletion, and inversion regimes reveals that internal electric fields significantly influence positron drift transport . Depending on the bias condition, the electric field can either drive positrons toward the SiO₂/Si interface or repel them into the silicon bulk. This behavior effectively al...
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Chloride Ion-Induced Passive Film Breakdown in 18%Ni High-Strength Steel | | #WorldResearchAwards

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Introduction The corrosion resistance of ultra high strength steels is a critical issue for their reliable application in marine, aerospace, and defense environments. Among them, 18%Ni high strength steel is widely used due to its excellent mechanical performance, yet it remains vulnerable to chloride induced corrosion . Chloride ions are known to destabilize passive films , promote localized corrosion, and reduce long term durability. Understanding how different chloride concentrations influence corrosion behavior and passive film characteristics is therefore essential. This research focuses on the systematic investigation of corrosion mechanisms and passive film evolution of 18%Ni high strength steel in NaCl solutions with varying chloride ion concentrations, providing insight into degradation processes under aggressive environments. Experimental Design and Corrosion Evaluation The corrosion behavior of the steel was comprehensively evaluated through standardized chemical imm...
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