Results 111 to 120 of about 40,425 (288)

Environmental effects on polymeric matrix composites [PDF]

open access: yes
Current epoxy resins utilized in high performance structural composites absorb moisture from high humidity environments. Such moisture absorption causes plasticization of the resin to occur with concurrent swelling and lowering of the glass transition ...
Husman, G. E., Whitney, J. M.
core   +1 more source

Numerical simulation of drying of Pinus pseudostrobus wood with Comsol Multiphysics [PDF]

open access: yes, 2014
In this work, we present the second part of our investigation. In the first part, we have published a semi-empirical model for drying. In this second part, we present the numerical solution of a drying model for Pinus pseudostrobus (Mexican softwood ...
HERNANDEZ-BAUTISTA, Emilio   +4 more
core   +1 more source

Substrate Stress Relaxation Regulates Cell‐Mediated Assembly of Extracellular Matrix

open access: yesAdvanced Functional Materials, EarlyView.
Silicone‐based viscoelastic substrates with tunable stress relaxation reveal how matrix mechanics regulates cellular mechanosensing and cell‐mediated matrix remodelling in the stiff regime. High stress relaxation promotes assembly of fibronectin fibril‐like structures, increased nuclear localization of YAP and formation of β1 integrin‐enriched ...
Jonah L. Voigt   +2 more
wiley   +1 more source

Fractal modeling of moisture diffusion in wood cell wall

open access: yesJournal of Wood Science
Moisture diffusion in wood remains incompletely understood due to its complex hierarchical structure. This study develops a theoretical fractal moisture diffusion model for the wood cell wall, incorporating its structural geometry, and upscales it to ...
Dessie T. Tibebu, Stavros Avramidis
doaj   +1 more source

Thermophysical Coefficients of Mustard Seeds Grain-Air Mixture under High-Temperature Conditions

open access: yesСельскохозяйственные машины и технологии
The paper highlights that modeling the drying process of mustard seed samples using thermogravimetric moisture measurement enables the identification of the most effective design options for drying chambers.
A. P. Evdokimov, A. A. Leshchenko
doaj   +1 more source

Composites of Shellac and Silver Nanowires as Flexible, Biobased, and Corrosion‐Resistant Transparent Conductive Electrodes

open access: yesAdvanced Functional Materials, EarlyView.
Shellac, a centuries‐old natural resin, is reimagined as a green material for flexible electronics. When combined with silver nanowires, shellac films deliver transparency, conductivity, and stability against humidity. These results position shellac as a sustainable alternative to synthetic polymers for transparent conductors in next‐generation ...
Rahaf Nafez Hussein   +4 more
wiley   +1 more source

A thermo-fluid model for protective suiting used in fusion reactor shutdown operations [PDF]

open access: yes, 2008
In this paper we report a method of modelling the overall thermo-fluid processes which occur in protective suiting as used in the Joint European Torus (JET) fusion reactor at Culham, UK.
Atherton, MA   +4 more
core  

Fast‐Responding O2 Gas Sensor Based on Luminescent Europium Metal‐Organic Frameworks (MOF‐76)

open access: yesAdvanced Functional Materials, EarlyView.
Luminescent MOF‐76 materials based on Eu(III) and mixed Eu(III)/Y(III) show rapid and reversible changes in emission intensity in response to O2 with very short response times. The effect is based on triplet quenching of the linker ligands that act as photosensitizers. Average emission lifetimes of a few milliseconds turn out to be mostly unaffected by
Zhenyu Zhao   +5 more
wiley   +1 more source

Pilot scale pyrolyser : compliance and mechanistic modeling : a thesis presented in partial fulfillment of the requirement for the degree of Master of Engineering in Chemical and Process Engineering at Massey University, Palmerston North, New Zealand [PDF]

open access: yes, 2017
"A pyrolysis reactor was built in a previous project by Bridges et al (2013).The reactor is cylindrical in geometry, with a height of 1000 mm and an internal diameter of 750 mm, it stands vertically.
Caco, Nadeem Salahaddin Abdul
core  

Ionic Control of Microstructure and Lubrication in Charged, Physically Cross‐Linked Hydrogels

open access: yesAdvanced Functional Materials, EarlyView.
Here, charged, physically cross‐linked poly(methacrylamide‐co‐methacrylic acid) hydrogels stabilized by a short‐range attractive, long‐range repulsive potential is investigated. This work uncovers how salt addition alters not only swelling, but also the microstructure and dynamics, near‐surface stiffness and charge, and ultimately, its lubricity. Salts
Alexander Deptula   +1 more
wiley   +1 more source

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