Results 71 to 80 of about 45,855 (231)

Novas tecnologias no contexto escolar

open access: yesComunicação & Educação, 2000
O artigo discute as mudanças geradas pelo avanço das tecnologias da informação e da comunicação na sociedade contemporânea e a conseqüente alteração de conceitos educacionais.
Gelcivânia Mota Silva Morais
doaj  

Admirável mundo novo: o Sistema Único de Saúde e os desafios da inteligência artificial

open access: yesRevista de Direito Sanitário
O presente artigo teve por finalidade analisar, a partir dos debates que se instalaram na sociedade e no governo, o uso da inteligência artificial no Sistema Único de Saúde e seus impactos positivos e negativos na garantia do direito à saúde, de modo ...
Lenir Santos, Guilherme Mello Graça
doaj   +1 more source

Powder‐to‐Film Conversion of Nickel Single‐Atom Catalysts into Binder‐Free and Resistant Electrodes

open access: yesAdvanced Materials Interfaces, EarlyView.
A reproducible strategy is reported for fabricating standalone thin‐film electrodes composed of CNx‐supported Ni single‐atom catalysts. The resulting binder‐free electrodes exhibit robust stability, enhanced charge transfer, and superior electrochemical performance, offering scalable opportunities for applications in electrochemistry. ABSTRACT Although
Milla Vigliengo   +8 more
wiley   +1 more source

3D Printing of Highly Dense and Translucent Zirconia Parts for Dental Applications: Effect of Filament Overlapping

open access: yesAdvanced Materials Technologies, EarlyView.
This study formulated a 5Y‐PSZ zirconia paste for extrusion‐based additive manufacturing via direct ink writing, producing dense ceramic structures for dental applications. A colloidal approach with 47 vol% nanometric powder and tailored additives optimized rheology and printability.
Juliana de Freitas Gouveia Silva   +5 more
wiley   +1 more source

Coelhos: tecnologia humana e tecnologia material

open access: yesPOIÉSIS, 2018
Este ensaio discute os conceitos de diagrama e de dispositivo a partir do debate entre Peter Eisenman e Rem Koolhaas, tentando pensá-los nas relações entre arquitetura e arquitetura conceitual.
openaire   +4 more sources

3D Printed PEDOT:PSS‐Based Lattice Pressure Sensors With Tunable Electromechanical Response

open access: yesAdvanced Materials Technologies, EarlyView.
poly(3,4‐ethylenedioxythiophene): polystyrene sulfonate (PEDOT:PSS)‐based architected lattices are fabricated via single‐step Digital Light Processing (DLP) printing for tunable pressure sensing. Structural design variations allow precise control of sensitivity and range, while integrated conductivity eliminates post‐processing.
Ozan Karakaya   +9 more
wiley   +1 more source

Tecnologia vernacular vs. tecnologia global

open access: yes, 2014
Tese de Doutoramento, em Arquitetura com a especialização em Tecnologia e Gestão da Construção, apresentada na Faculdade de Arquitetura da Universidade de Lisboa, para obtenção do grau de Doutor.
openaire   +1 more source

Respiratory Signal Processing and Analysis Using Flexible Capacitive Sensor Data

open access: yesAdvanced Materials Technologies, EarlyView.
Capacitive pressure sensors based on poly(glycerol sebacate) (PGS) substrates are developed for continuous, non‐invasive respiratory monitoring. Integrated with a signal processing algorithm, they enable accurate tracking of thoracic expansion and retraction.
Bernardo A. Vicente   +3 more
wiley   +1 more source

Lead‐Free Bismuth Halide Perovskite Memristors: Low‐Voltage Switching and Physical Modeling of Resistive Hysteresis

open access: yesAdvanced Materials Technologies, EarlyView.
Lead‐free bismuth halide perovskite memristors exhibit stable low‐voltage resistive switching behavior. The conductance‐activated quasi‐linear memristor model quantitatively reproduces the experimental hysteresis, confirming ion migration‐driven filament dynamics.
So‐Yeon Kim   +4 more
wiley   +1 more source

Printed Organic Thermoelectric Generators: Progress and Challenges Towards Efficient Energy Harvesting

open access: yesAdvanced Materials Technologies, EarlyView.
Printed organic thermoelectric generators (OTEGs) enable flexible and sustainable energy harvesting from low‐grade heat. This Perspective critically assesses recent advances in printable thermoelectric materials, 2D and 3D device architectures, and current performance limits of printed OTEGs.
Vijitha Ignatious   +5 more
wiley   +1 more source

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