Results 151 to 160 of about 1,141,061 (327)

Transient Charging of Mixed Ionic‐Electronic Conductors by Anomalous Diffusion

open access: yesAdvanced Materials, EarlyView.
This article explores charge transport in mixed ionic‐electronic conductors (MIECs) through electrochemical impedance spectroscopy and transient current analysis. Focusing on PEDOT:PSS, WO3, and n‐doped PBDF, it uncovers the impact of anomalous diffusion via fractional modeling. The study reveals key correlations that deepen understanding and guide the
Heyi Zhang   +9 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

Geodesign in Pampulha cultural and heritage urban area: Visualization tools to orchestrate urban growth and dynamic transformations [PDF]

open access: yes, 2016
This paper discusses the role of visualization in Geodesign methodology consideringits applications in the case study of the region of Pampulha in Belo Horizonte,Minas Gerais, Brazil.
Carsalade, Flávio   +3 more
core   +1 more source

A Functional 2D Carbon Allotrope Combining Nanoporous Graphene and Biphenylene Segments

open access: yesAdvanced Materials, EarlyView.
The synthesis of a novel nanoporous graphene (NPG) is reported with biphenylene segments via thermal fusion of 12‐armchair porous graphene nanoribbons grown on gold surfaces. Characterization using STM, AFM, and DFT reveals low‐defect semiconducting behaviour and tunable band gaps.
Paula Angulo‐Portugal   +14 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

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  

Self‐Assembled Inorganic Nanomembrane Tubes: Rolled‐Up Piezoelectrics for Microacoustic Wave‐Based Actuators and Sensors

open access: yesAdvanced Materials, EarlyView.
This study demonstrates a self‐assembly process to generate free‐standing piezoelectric nanomembranes, forming ultracompact microtubular acoustic wave sensors and actuators. The miniaturized 3D piezoelectric platform reported in this work can be applied in telecommunication, energy harvesting, and acoustofluidics. Moreover, the 3D self‐assembly can add
Raphaël C. L‐M. Doineau   +9 more
wiley   +1 more source

Desafios do manejo integrado de pragas da soja no Brasil Central. [PDF]

open access: yes, 2011
Este trabalho pretende: 1) apresentar aspectos relacionados à adoção da tecnologia do MIP pelos agricultores, numa região produtora de Goiás; 2) identificar fatores que interferem na adoção de tecnologias nas lavouras; 3) inferir sobre aspectos da ...
CZEPAK, C.   +5 more
core  

Spin‐Split Edge States in Metal‐Supported Graphene Nanoislands Obtained by CVD

open access: yesAdvanced Materials, EarlyView.
Combining STM measurements and ab‐initio calculations, we show that zig‐zag edges in graphene nanoislands grown on Ni(111) by CVD retrieve their spin‐polarized edge states after intercalation of a few monolayers of Au. ABSTRACT Spin‐split states localized on zigzag edges have been predicted for different free‐standing graphene nanostructures.
Michele Gastaldo   +6 more
wiley   +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  

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