Results 101 to 110 of about 1,765,935 (236)

Hierarchical Assembly as a Design Principle: Structure–Property Relationships Linking Biological Architectures to Functional Aggregate Materials

open access: yesAggregate, Volume 7, Issue 9, September 2026.
Biological function arises from aggregates rather than from molecules. Comparing biomimetic systems on a common basis reveals three transferable design rules governing hierarchical assembly, interfacial gradients, and stimulus‐coupled anisotropy, and identifies self‐healing and single‐step multiscale integration as properties that do not transfer to ...
Nafeesa Sarfraz   +7 more
wiley   +1 more source

Addressing Non-Uniqueness in Guided Wave Tomography for Limited-View Corrosion Mapping

open access: yesNDT - Journal of Non-Destructive Testing
Guided wave tomography has proven to be an effective method for detecting pipeline corrosion, providing both location and quantitive estimates of wall thickness loss.
Emiel Hassefras   +2 more
doaj   +1 more source

A Method to Track Targets in Three-Dimensional Space Using an Imaging Sonar

open access: yesSensors, 2018
This paper introduces a methodology applying an imaging sonar for three-dimensional (3D) target tracking underwater. The key process in this work involves obtaining the target’s position in space using two images of the same scene, acquired by an ...
Danxiang Jing, Jun Han, Jin Zhang
doaj   +1 more source

Oyster reef habitat characteristics and nekton communities vary with restoration method in a large‐scale project

open access: yesEcosphere, Volume 17, Issue 9, September 2026.
Abstract Restoration in coastal ecosystems is revitalizing populations of foundation species that provide valuable habitat to support biodiversity and ecosystem services. The goals of oyster reef restoration include increasing oyster populations and oyster reef ecosystem services such as provision of habitat for commercially and ecologically valuable ...
Allison M. Tracy   +5 more
wiley   +1 more source

Hybrid phase shift and shifted sideband beamforming for large‐aperture MIMO sonar imaging

open access: yesIET Radar, Sonar & Navigation, 2017
A multiple‐input multiple‐output (MIMO) sonar can form a large‐aperture virtual uniform linear array (ULA) from a small number of physical elements. However, the large‐aperture MIMO sonar encounters a dilemma between the computation load and the imaging ...
Xionghou Liu   +3 more
doaj   +1 more source

Recent advances in multifunctional soft robots: A materials–structures–systems co‐design perspective for synergistic integration

open access: yesFlexMat, Volume 3, Issue 3, Page 452-501, September 2026.
Abstract Soft robots, engineered from highly compliant materials, offer superior adaptability and safety in unstructured environments compared to their rigid counterparts. Recent advancements, fueled by bio‐inspiration and material programmability, have led to the rapid co‐evolution of their core modules: actuation, sensing, protection, energy, and ...
Qiulei Liu   +3 more
wiley   +1 more source

Optimisation of Microwave‐Assisted Extraction and Spray Drying for Chlorophyll Powder Production From Ceratophyllum submersum L.

open access: yesFood Science &Nutrition, Volume 14, Issue 9, September 2026.
An integrated microwave‐assisted extraction (MAE) and spray‐drying process was developed and optimized by response surface methodology (RSM) to produce a stable chlorophyll powder from the underutilized aquatic macrophyte Ceratophyllum submersum L. The resulting powder combined high pigment retention (67.81% chlorophyll; 63.74% recovery) with favorable
Hoang Thi Ngoc Nhon   +2 more
wiley   +1 more source

Redefining Optimal Coverage Path Planning for FLS‐Equipped AUVs With Deep Reinforcement Learning

open access: yesJournal of Field Robotics, Volume 43, Issue 6, Page 3617-3632, September 2026.
ABSTRACT Autonomous Underwater Vehicles (AUVs) have emerged as indispensable tools for a variety of subsea tasks, from habitat monitoring and seabed mapping to infrastructure inspection and mine countermeasures. A fundamental challenge in this field is Coverage Path Planning (CPP), the problem of ensuring complete and efficient area coverage.
Lorenzo Cecchi   +3 more
wiley   +1 more source

Toward an Improved Understanding of the Antarctic Coastal Zone and Its Contribution to Future Global Sea Level

open access: yesReviews of Geophysics, Volume 64, Issue 3, September 2026.
Abstract Understanding the coastal zone of the Antarctic Ice Sheet (AIS), where it interacts with the Southern Ocean and warmer air masses, is crucial for predicting Antarctica's influence on the global climate and sea level. This region has multiple tipping mechanisms that could trigger large, rapid, and potentially irreversible changes in the AIS ...
Kenichi Matsuoka   +79 more
wiley   +1 more source

River Sand and Gravel Mining: Global Drivers, Impacts, and Pathways for Sustainable Management

open access: yesReviews of Geophysics, Volume 64, Issue 3, September 2026.
Abstract River sand and gravel are mined worldwide at volumes that now rival their natural replenishment, yet quantitative knowledge of this mining activity and its consequences lags far behind many other global environmental pressures. We synthesize 411 peer‐reviewed studies published since 1974 within a new Driver‐to‐Management Pathway for ...
Edward Park   +25 more
wiley   +1 more source

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