Results 111 to 120 of about 850,880 (330)

On the Viscosity of Pitch-like Substances [PDF]

open access: green, 1903
Frederick Thomas Trouton   +1 more
openalex   +1 more source

Cool Kitchen: Processing Starch and Eggshell Powder into Sustainable Coatings for Passive Daytime Cooling

open access: yesAdvanced Functional Materials, EarlyView.
A food‐grade cooling composite made from starch and recycled eggshell powder offers a scalable, ultra‐low‐cost solution for passive daytime radiative cooling. Easily prepared using basic kitchen tools, this material empowers communities, even in areas with limited infrastructure, to stay cooler during worsening summer heat waves.
Qimeng Song   +3 more
wiley   +1 more source

The Distorted Speech Vocalisms Harmonic Structure Restoration by means of Dynamic Spectrograms Images Digital Processing

open access: yesБезопасность информационных технологий, 2013
The harmonic structure of noisy speech reconstruction method based on pitch and divisible harmonies frequency determination on vocalized sections along spectral-time descriptions images is presented in this work.
Victor Mikhailovich Alyushin   +1 more
doaj  

Structured Multilayer Thin Films for Catalytic Applications: A Novel Approach on Catalyst Design Utilizing Microfabrication Techniques

open access: yesAdvanced Functional Materials, EarlyView.
A structured multilayer catalyst is fabricated by combining RF magnetron sputtering and picosecond laser scribing to expose Cu–ZnO interfaces. This model catalyst, developed as a proof of concept, enables precise interface accessibility for CO2 hydrogenation to methanol.
Shivam Shivam   +9 more
wiley   +1 more source

Structural Motifs in Soft Fibrous Tissues: Revealing Structure‐Mechanics Relationships in Deformation and Tear Resistance for Biomimetic Material Design

open access: yesAdvanced Healthcare Materials, EarlyView.
This review explores how soft fibrous tissues achieve their remarkable mechanical behavior through recurring structural motifs across multiple length scales. It highlights key advances in mimicking these features using fiber‐reinforced hydrogels and hierarchical composites, offering insights into mechanical compatibility, flaw tolerance, and tear ...
Mirit Sharabi
wiley   +1 more source

Topology in Biological Piezoelectric Materials

open access: yesAdvanced Materials, EarlyView.
This review summarizes the topological structures in biological piezoelectric materials, covering morphology evolution, spatial arrangement, and biomimetic strategies. These topologies modulate structure‐property relationships across multiple scales, enabling performance enhancement and multifunctional integration.
Chen Chen   +7 more
wiley   +1 more source

Talking Like a Teacher—A Study of Pre-Service Teachers’ Voice and Speech Characteristics in Learning and Teaching Situations

open access: yesEducation Sciences
Voice and speech are educational tools and a medium of pedagogy for teachers. Teachers tend to modify their voice and speech to support learning. This study aimed to investigate whether pre-service teachers modify their speech and voice in teaching ...
Kati Järvinen   +3 more
doaj   +1 more source

Cloud Inspired White and Grey Plasmonic Metasurfaces for Camouflaged Thermal Management

open access: yesAdvanced Materials, EarlyView.
Inspired by clouds' role in Earth's thermal management, this work presents disordered plasmonic metasurfaces that mimic their radiative effects. The white metasurface enhances backscattering, acting as a cooling layer with camouflage properties.
Mhd Adel Assad   +6 more
wiley   +1 more source

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