Results 31 to 40 of about 560,849 (261)

Electrospun Wood‐Derived Biopolymers as Electrodes in Electrochemical Energy Storage Technologies

open access: yesAdvanced Functional Materials, EarlyView.
Electrospinning transforms wood‐derived cellulose and lignin into architecturally defined, binder‐free carbon electrodes with tuneable porosity and functionality. This review shows how fibre design enables decoupled charge and mass transport, enhancing performance across battery systems, while identifying key challenges in spinnability, scalability ...
Michael W. Thielke   +3 more
wiley   +1 more source

PRELIMINARY STUDY FOR USING VINYLTRIACETOXYSILANE AS PRECURSOR IN ENZYME IMMOBILIZATION BASED ON SOL-GEL METHOD [PDF]

open access: yes, 2007
During the last years, sol-gel technology has become a well-established method for the preparation of catalytic active monoliths, bulk, particles and thin films.
VLAD-OROS, BEATRICE   +2 more
core   +2 more sources

Sistema fotovoltaico de iluminación solar [PDF]

open access: yesEpistemus, 2013
El artículo es el resultado de un trabajo de investigación enfocado al uso de sistemas fotovoltaicos para la iluminación por medio de diodos emisores de luz tipo LED.
Víctor Hugo Benítez Baltazar   +3 more
doaj  

Sol-gel derived hydroxyapatite, fluorhydroxyapatite and fluorapatite coatings for titanium implants [PDF]

open access: yes, 2009
Currently, most titanium implant coatings are made using hydroxyapatite and a plasma-spraying technique. There are however limitations associated with the plasma-spraying process including; poor adherence, high porosity and cost.
Tredwin, C.J.
core  

Mesoporous silica matrices derived from sol-gel process assisted by low power ultrasonic activation [PDF]

open access: yes, 2009
The present work contributes to elucidating the differences between silica gels obtained by low doses ultrason- ic activation, and those obtained by the conventional method, termed as classical sol gel.
Savii, Cecilia   +3 more
core   +3 more sources

Optimizing NiMo Electrocatalyst Coatings for Hydrogen Evolution in Alkaline Electrolysis With The Machine Learning‐Guided Autonomous Platform CatBot

open access: yesAdvanced Functional Materials, EarlyView.
This work presents a closed‐loop optimization workflow integrating CatBot, an automated synthesis and testing system, to discover NiMo hydrogen‐evolution catalysts. CatBot synthesised and evaluated 228 unique samples, identifying the best performing catalysts for transfer to nickel‐foam electrodes. The best candidate is highly active, reaching 1 Acm−2${
Paolo Vincenzo Freiesleben de Blasio   +7 more
wiley   +1 more source

Evaluacion de diferentes frecuencias de corte en guinea mombaza (panicum maximum, jacq), bajo condiciones de sol y sombra natural influenciada por el dosel de campano (pithecellobium saman) en sampués, sucre

open access: yesRevista Colombiana de Ciencia Animal Recia, 2012
Este estudio se realizó en la granja de la universidad de sucre. se estudiaron tres frecuencias de corte: 25 días, 35 días y 45 días; los factores (f) estudiados fueron: f1 (luminosidad: sol y sombra natural); f2 (frecuencias de corte: 25 días, 35 días y
ORLANDO NAVARRO. M.   +1 more
doaj   +1 more source

Nitride MXenes Beyond Carbides: Bridging the Gap Between Computational Prediction and Experimental Realization

open access: yesAdvanced Functional Materials, EarlyView.
Nitride MXenes remain constrained by a persistent gap between computational prediction and experimental realization. This Review identifies the thermodynamic, kinetic, and chemical barriers limiting their synthesis, critically evaluates emerging fabrication routes, and proposes a multidimensional computational‐experimental framework to accelerate the ...
Naresh Varnakavi, Masoud Soroush
wiley   +1 more source

"Encore à cet astre", de Jules Laforgue, y "Desnudo bajando una escalera, nº2", de Marcel Duchamp: la muerte del idealismo solar

open access: yesPoligramas, 2017
Entre noviembre y diciembre de 1911, Marcel Duchamp realiza en Neuilly tres dibujos sobre papel que ilustran, mediante un lenguaje esquivo y harto sumario, otros tantos poemas del simbolista francés Jules Laforgue: Médiocrité; Siesteéternelle; y Encore à
Pedro A. Cruz Sánchez
doaj   +1 more source

Structure‐Property Relationships in Catecholamine Coatings for Broad Surface Functionalization

open access: yesAdvanced Functional Materials, EarlyView.
Inspired by mussel adhesive proteins (MAPs), six catecholamine molecules with different molecular structure were systematically characterized and compared based on their ability to form homogeneous, reactive coatings. Highlighting candidates capable of balancing coating properties of interest, their successful use as primer layers for organic and ...
Caroline F. Harms   +5 more
wiley   +1 more source

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