Results 101 to 110 of about 793,369 (298)

Microwave Absorption for Detection of Dirac Fermions in SnTe Films

open access: yesAdvanced Materials Interfaces, EarlyView.
Microwave absorption can detect Dirac fermions in samples exposed to the atmosphere. Results showed that although topological surface states are robust against environmental degradation, they are not detectable by electrical transport measurements. Hence, microwave absorption can detect Dirac fermions even in samples whose surfaces have deteriorated ...
Wellington P. do Prado   +8 more
wiley   +1 more source

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

Sementeira directa de precisão: contributo para o estudo da uniformidade de profundidade de sementeira [PDF]

open access: yes, 2012
As tecnologias de sementeira directa e agricultura de precisão podem conciliar-se num novo conceito de sementeira directa de precisão. Desta forma, ambas as tecnologias permitiram provar que variações da resistência de penetração do solo afectam a ...
Conceição, Luis   +4 more
core  

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

Perfil dos pacientes submetidos à angioplastia trasluminal coronariana com stents farmacológicos no Instituto de Cardiologia de Santa Catarina. [PDF]

open access: yes, 2007
Trabalho de Conclusão de Curso - Universidade Federal de Santa Catarina. Curso de Medicina.
Aquino, Vivian Wuerges de
core  

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

M-learning and webquests : the new technologies as pedagogical resource [PDF]

open access: yes, 2006
This paper has as main goal bring to discussion new educative ways of using information and communication technologies, specifically the use of m-learning to access a webquest.
Alexandre, Dulclerci Sternadt   +2 more
core  

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

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

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