Results 61 to 70 of about 2,027,025 (314)

Enhanced Superconductivity in X4H15 Compounds via Hole‐Doping at Ambient Pressure

open access: yesAdvanced Science, EarlyView.
Hole doping in X4H15 hydrides significantly enhances superconductivity, with X3 + compounds reaching Tc values near 50 K due to strong electron–phonon coupling. A viable route is proposed by doping thermodynamically unstable X43+H${\rm X}^{3+}_4{\rm H}$15 to control the charge‐compensated YZr3H15 compound.
Kun Gao   +5 more
wiley   +1 more source

Aprendendo com o Imprevisível: Saúde Mental dos Universitários e Educação Médica na Pandemia de Covid-19

open access: yes, 2020
Resumo: Introducao: A pandemia causada pelo novo coronavirus (Covid-19) promoveu mudancas em todo o mundo, gerando modificacoes na estrutura organizacional do ensino superior.
Bráulio Brandão Rodrigues   +3 more
semanticscholar   +1 more source

The Role of the European Inspections in the European Educational Space - Echoes from Portugal Regarding the Assessment of Schools [PDF]

open access: yes, 2011
This paper is an approach to the construction of a European educational space (Nóvoa & Lawn, 2002), which is due to new modes of regulation in education.
Costa, Estela, Pires, Ana Márcia
core  

Multimedia technologies and online task-based foreign language teaching-learning [PDF]

open access: yes, 2018
Teaching and learning a foreign language at a distance implies many challenges, namely regarding oral skills. At Universidade Aberta (the Portuguese Open University), and taking into account its virtual pedagogical model (Pereira, 2007) and the Common ...
Nobre, Ana
core   +1 more source

A Machine Learning Perspective on the Brønsted–Evans–Polanyi Relation in Water‐Gas Shift Catalysis on MXenes

open access: yesAdvanced Intelligent Discovery, EarlyView.
Machine learning predicts activation energies for key steps in the water‐gas shift reaction on 92 MXenes. Random Forest is identified as the most accurate model. Reaction energy and reactant LogP emerge as key descriptors. The approach provides a predictive framework for catalyst design, grounded in density functional theory data and validated through ...
Kais Iben Nassar   +3 more
wiley   +1 more source

A Educação e a Covid-19

open access: yes, 2020
Ensaio: aval. pol. públ. Educ., Rio de Janeiro, v.28, n.108, p. 545-554, jul./set. 2020 Ao ler os artigos que compõem o número 108 da Ensaio, além da diversidade de temas e análises, que são características do periódico, chamou a nossa atenção o primeiro
E. Dias, Fátima Cunha Ferreira Pinto
semanticscholar   +1 more source

The place of grammar in the teaching of English in Portugal [PDF]

open access: yes, 2017
La gramática siempre ha estado presente en diferentes métodos y enfoques de enseñanza. Sin embargo, el lugar de la gramática en estos métodos ha cambiado a través de los siglos, desde un lugar central en el enfoque de gramática y traducción a un enfoque
Cardoso, Nazaré   +1 more
core  

Expansion without equity: an analysis of current policy on access to higher education in Brazil [PDF]

open access: yes, 2006
Access to higher education in Brazil is to a large extent restricted to the higher socioeconomic groups. Public universities have limited places and entry is determined by highly competitive exams, thereby excluding those who have not had a high quality ...
McCowan, Tristan
core   +2 more sources

Printed Zinc Tin Oxide Memristors for Reservoir Computing

open access: yesAdvanced Intelligent Systems, EarlyView.
Fully patterned zinc tin oxide memristors produced mostly with printing techniques that is programmed for physical reservoir computing. MNIST handwriting dataset is used to program the memristor and a 4‐bit and a 5‐bit cell. In this work, fully patterned zinc tin oxide (ZTO) memristors are introduced using inkjet printing.
Raquel Azevedo Martins   +9 more
wiley   +1 more source

A EDUCAÃ?Ã?O NAS MANIFESTAÃ?Ã?ES CULTURAIS POPULARES RELIGIOSAS: BENZEDORES E A TRANSMISSÃ?O DE SABERES E "SEGREDOS"

open access: yesCaminhos, 2015
Resumo: este inventário de manifestações culturais populares de feição religiosa, descrição densa (GEERTZ, 1989) abrange quatro benzedores de Nova Veneza- Goiás, apreendidas nos seus espaços de ritualização. Com o propósito de problematizar como a educação pode se realizar nestes espaços sociais, as manifestações foram crivadas por indicadores ...
José Maria Baldino   +2 more
openaire   +1 more source

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