Results 31 to 40 of about 2,051,561 (304)

A Perspective on the Applications of Triphasic Gas Storage in Electrochemical Systems

open access: yesAdvanced Science, EarlyView.
Gas storage in microporous materials positioned locally at an electrode or electrocatalyst surface enhances electrochemical processes. Abstract Microporous materials store gases under dry conditions (e.g., hydrogen or oxygen via physisorption), but in some cases microporous materials also show triphasic (e.g., in a solid|gas|liquid system) gas storage ...
Zhongkai Li   +9 more
wiley   +1 more source

Pesquisa de tendências: um modelo de referência para pesquisa prospectiva [PDF]

open access: yes, 2008
Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro Tecnológico. Programa de Pós-Graduação em Engenharia de Produção.Este trabalho tem por objetivo pesquisar técnicas de prospecção e analisar práticas de pesquisa que auxiliem no ...
Back, Suzana
core  

Engineering a Correlated Narrow‐Gap Semiconductor: Effects of Ga Substitution in EuZn2P2

open access: yesAdvanced Electronic Materials, EarlyView.
ABSTRACT The effect of Ga substitution on the electronic, magnetic, and low‐energy responses of the Zintl phase EuZn2P2${\rm EuZn}_2 {\rm P}_2$ is investigated by electrical transport, electron spin resonance (ESR), and terahertz time‐domain spectroscopy (THz‐TDS). Incorporating Ga into EuZn2P2${\rm EuZn}_2 {\rm P}_2$ (EuZn1.8Ga0.2P2${\rm EuZn}_{1.8} {\
Mateus Dutra   +13 more
wiley   +1 more source

Immunological condition of cattle in Holstein and Nelore breed in regard to Babesia bovis and B-bigemina in two regions of the State of São Paulo. [PDF]

open access: yes, 2006
The immunological reply of a population to an infectious agent can vary between races and handling of this population. Regional research becomes important, in order to know the interrelation between the agent and its host.
D'Andrea, LAZ   +5 more
core   +1 more source

One‐Step Synthesis of Size‐Controlled Copper Oxide Nanoparticles on Laser‐Induced Graphene Sensor for L‐Cysteine Detection

open access: yesAdvanced Electronic Materials, EarlyView.
Oxygen plasma treatment enhances polyimide hydrophilicity and promotes uniform anchoring of copper ion precursors. A one‐step laser process then generates CuO‐decorated nanoparticles on laser‐induced graphene (LIG) electrodes, enabling controlled nanoparticle growth via precursor concentration tuning.
Gustavo Miguel Sousa   +6 more
wiley   +1 more source

Pesquisa-ação: ferramenta metodológica para a pesquisa qualitativa

open access: yesRevista Eletrônica de Enfermagem, 2009
A pesquisa-ação é um tipo de pesquisa interpretativa que abarca um processo metodológico empírico. Compreende a identificação do problema dentro de um contexto social e/ou institucional, o levantamento de dados relativos ao problema, à análise e significação dos dados levantados pelos participantes, a identificação da necessidade de mudança, o ...
Magda Santos Koerich   +4 more
openaire   +4 more sources

Deforestation and Efficiency: Insights From Forest Transition in the Brazilian Cerrado

open access: yesAgribusiness, EarlyView.
ABSTRACT This paper estimates technical efficiency (TE) and environmental efficiency (EE) of agricultural production at the municipal level of the Brazilian Cerrado in 2006 and 2017, and investigates their underlying mechanisms in relation to forest transition theory.
Ricardo Muniz Simões   +2 more
wiley   +1 more source

Apresentação : Mercado de Trabalho n.76 - out. 2023 [PDF]

open access: yes, 2023
A edição de número 76 do periódico Mercado de Trabalho: conjuntura e análise (BMT) contém o tradicional texto de Análise do mercado de trabalho, além de incluir as seções Notas técnicas, Política em foco, Economia solidária e políticas públicas, e uma ...
Instituto de Pesquisa Econômica Aplicada   +1 more
core   +1 more source

Accelerating Biosensor Discovery: A Computationally‐Driven Pipeline for Microplastics Monitoring

open access: yesAdvanced Intelligent Discovery, EarlyView.
A computationally guided pipeline unites molecular simulation, synthetic biology, electrochemical engineering, and machine learning to accelerate biosensor discovery. A Bacillus anthracis carbohydrate‐binding module is used to develop a high‐performance micro‐ and nanoplastics sensor with greatly reduced error and variability.
Gabriel X. Pereira   +13 more
wiley   +1 more source

Os múltiplos aspectos da pesquisa: a propósito de um recente livro de A. J. Bachrach

open access: yesRevista de História, 1969
Pode parecer estranho que uma revista de História, como tal especializada em assuntos históricos ou que um estudante da matéria venha interessar-se por uma obra dedicada à pesquisa psicológica e a ela dedicar uma parcela maior de seu tempo que a mera ...
José Sebastião Witter
doaj   +1 more source

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