Results 11 to 20 of about 12,355 (188)

All shallow coastal habitats matter as nurseries for Mediterranean juvenile fish

open access: yesScientific Reports, 2021
Coastal zones are ecosystems of high economic value but exposed to numerous disturbances, while they represent nurseries for many fish species, raising the issue of the preservation of their functions and services.
Adrien Cheminée   +11 more
doaj   +1 more source

Reactor Core Design and Analysis for a Micronuclear Power Source

open access: yesFrontiers in Energy Research, 2018
Underwater vehicle is designed to ensure the security of country sea boundary, providing harsh requirements for its power system design. Conventional power sources, such as battery and Stirling engine, are featured with low power and short lifetime ...
Hao Sun   +5 more
doaj   +1 more source

Deep Q-Learning Based Adaptive MAC Protocol with Collision Avoidance and Efficient Power Control for UWSNs

open access: yesJournal of Marine Science and Engineering
Underwater wireless sensor networks (UWSNs) widely used for maritime object detection or for monitoring of oceanic parameters that plays vital role prediction of tsunami to life-cycle of marine species by deploying sensor nodes at random locations ...
Wazir Ur Rahman   +6 more
doaj   +1 more source

Should Homeless Youth Participate in Research?

open access: yesVoices in Bioethics, 2018
From taking the L to the G to the J, one of the most striking things about the vastly different people riding the New York City Subway with you is the astoundingly large population of youth who are performing on the train for money.
Charlene Sathi
doaj   +1 more source

Zein‐Based Adhesives: Sustainable Extraction and Application in Bioadhesive Technologies

open access: yesAdvanced Engineering Materials, EarlyView.
Zein is extracted from corn gluten meal using a simple and scalable process with high yield (~90%). The resulting protein is applied in bioadhesives modified with Ca2+ and Fe3+ ions, exhibiting substrate‐dependent adhesion. The findings demonstrate competitive bonding performance and highlight the role of ionic interactions in tuning adhesion ...
Paula Bertolino Sanvezzo   +3 more
wiley   +1 more source

Regulated Ion‐Diffusion Hydrogels for Subtle and Multimodal Temperature‐Strain Sensing in Wound Monitoring

open access: yesAdvanced Functional Materials, EarlyView.
A soft, dual‐channel hydrogel patch enables simultaneous detection of wound temperature and strain by integrating ion‐diffusion‐mediated thermoelectric and resistive sensing. The conformal design maintains stable performance during motion, capturing subtle inflammatory and mechanical changes for continuous wound monitoring.
Yu Fang   +7 more
wiley   +1 more source

Designed Lewis Acid–Base Passivation for High Performance Perovskite Solar Cells

open access: yesAdvanced Functional Materials, EarlyView.
ABSTRACT Silicon's high cost and long energy payback time remain major barriers to the global expansion of solar power. In contrast, metal–halide perovskites offer abundant, solution‐processable absorbers, and have achieved efficiencies of 25%–30%, positioning them as strong competitors to silicon.
Afna Manaf   +4 more
wiley   +1 more source

Mapping of K-12 science and mathematics curriculum against sustainable development goals and addressing sustainability gap

open access: yesCogent Education
This paper uncovers the sustainability content in the science and mathematics curriculum of Qatar’s K-12 public school system. It focuses on mapping the curriculum standards of both subjects against sustainable development goals (SDGs) and identifying ...
Ziad Said   +4 more
doaj   +1 more source

Hydraulic Abrasion-Resistant Elastic Epoxy Resin Materials

open access: yesAdvances in Materials Science and Engineering, 2019
The abrasion of hydraulic concrete structures caused by the washing action of flowing water is a common problem and cannot be solved by simply increasing the strength of the concrete.
Liqun Xu, Kai Zhang, Yanhui Liu
doaj   +1 more source

Solution‐Processed Thin‐Film Transistors With Tunable Temporal Dynamics for Neuromorphic Computing

open access: yesAdvanced Functional Materials, EarlyView.
Solution‐processed CNT and CNT/P3HT ion‐gated transistors exhibit materials‐defined synaptic timescales: fast CNT devices for high‐frequency spiking and slow hybrid devices for temporal integration. Embedding these dynamics into coupled reservoir‐computing and spiking neural network simulations reveals that a Hybrid‐Reservoir / CNT‐SNN architecture ...
Kevin Schnittker   +5 more
wiley   +1 more source

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