Results 81 to 90 of about 7,645 (196)

Fabrication of flexible composite electrodes and their application in flexible supercapacitors for wearable electronic devices

open access: yesFlexMat, EarlyView.
This review surveys current progress in composite flexible electrodes for flexible supercapacitors, emphasizing how structural engineering and material synergy enhance both mechanical compliance and electrochemical performance. It discusses fabrication strategies, emerging application scenarios, and ongoing challenges, offering updated insights that ...
Weikang Wang   +9 more
wiley   +1 more source

Postharvest Management to Preserve the Nutritional Quality of Vegetables: An Overview Based on Current Research Findings Across the Globe

open access: yesFuture Postharvest and Food, EarlyView.
Postharvest losses in vegetables extend beyond mere quantitative reduction through physical deterioration and spoilage; they encompass substantial qualitative degradation, particularly the deterioration of critical nutritional constituents. Following harvest, vegetables maintain metabolic activity, and when subjected to suboptimal environmental ...
Md. Abdul Kader   +4 more
wiley   +1 more source

Comparing Virtual Reality Headsets With Standard Diagnostic Workstations for MRI Grading of Knee Meniscus Lesions: A Small‐Scale Pilot Study

open access: yesiRADIOLOGY, EarlyView.
This paper introduces a proof of concept for a virtual reality headset to allow for teleradiology in the context of knee MRIs. We demonstrated good agreement between the virtual reality workstation and a standard radiological workstation, supporting its use for future applications.
Thomas Saliba, Sanjiva Pather
wiley   +1 more source

Pan-Arctic sea ice concentration from SAR and passive microwave [PDF]

open access: yesThe Cryosphere
Arctic sea ice monitoring is a fundamental prerequisite for anticipating and mitigating the impacts of climate change. Satellite-based sea ice observations have been subject to intense attention over the last few decades, with passive microwave (PMW ...
T. Wulf   +4 more
doaj   +1 more source

Cross-scale Material-Structure Synergy for 2D Metamaterials: Toward Customizable Intelligent Electromagnetic Manipulation in Multiphysics Fields. [PDF]

open access: yesAdv Sci (Weinh)
Recent advances in metasurface‐enabled low‐observable technologies are reviewed from the perspective of cross‐scale material–structure synergy. Electromagnetic, thermal, optical, and acoustic stealth are highlighted together with dynamic tuning, programmable coding, data‐driven inverse design, artificial intelligence, multispectral compatibility, and ...
Wang S   +5 more
europepmc   +2 more sources

Bee pollen as functional food and environmental bioindicator: current evidence and future challenges

open access: yesJournal of the Science of Food and Agriculture, EarlyView.
Abstract Bee pollen (BP), a plant‐derived product collected by honey bees, is increasingly promoted as a functional food due to its content of proteins, essential amino acids, lipids, vitamins, minerals, and bioactive compounds such as polyphenols and flavonoids.
Luigi Parrotta, Stefano Del Duca
wiley   +1 more source

Vision-driven metasurfaces for perception enhancement

open access: yesNature Communications
Metasurfaces have exhibited unprecedented degree of freedom in manipulating electromagnetic (EM) waves and thus provide fantastic front-end interfaces for smart systems.
Tianshuo Qiu   +10 more
doaj   +1 more source

Parallel Vector Processing in Optical Computing With Jacobi Time‐Wave Packets

open access: yesLaser &Photonics Reviews, EarlyView.
Functionality of a single neuron and state of the art photonic acceleration with a Mach‐Zehnder‐interferometer (MZI) mesh (i), a crossbar array (ii) and a micro ring resonator (MRR) array (iii). In the proposed Jacobi time‐wave packet approach (iv) a single modulator (here a ring modulator) is performing the whole scalar vector product in a single ...
Janosch Meier   +5 more
wiley   +1 more source

Dual‐Metasurface‐Integrated Fiber Array for Bidirectional Cylindrical‐Vector‐Beam Multiplexed Communication Using Off‐Axis Spatial Manipulation

open access: yesLaser &Photonics Reviews, EarlyView.
A dual‐layer metasurface is integrated on a fiber‐array facet to realize compact, plug‐and‐play free‐space optical links with cylindrical vector beam (CVB) space‐division multiplexing. An optimized off‐axis collimation layer steers multiple channels, while a Dammann vortex layer performs polarization–topology conversion for bidirectional CVB (de ...
Xipeng Lu   +6 more
wiley   +1 more source

Optimal Sub-band Selection Algorithm for Pseudo-color Image Synthesis in Microwave Photonic SAR

open access: yesLeida xuebao
Microwave Photonic (MWP) radars have remarkably improved traditional microwave radar hardware architectures using photonics devices. With the exceptional physical properties of photonic devices, MWP radars can emit ultra-wideband, high-linearity, high ...
Yu HAI   +9 more
doaj   +1 more source

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