Results 31 to 40 of about 207,534 (296)

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

ENSINAR E APRENDER A CULTURA CORPORAL:

open access: yesCadernos de Pesquisa, 2023
Este artigo analisou a atividade de ensino e o processo de aprendizagem na Teoria Histórico-Cultural na área da Educação Física, a partir dos estudos realizados pelo Grupo de Pesquisa em Educação Física, Arte e Cultura (GEFAC) e pelo Grupo de Estudos e ...
Bruno Nicolau Cerine da Cruz   +2 more
doaj   +1 more source

Students´ Engagement In Schools: Differentiation and Promotion [PDF]

open access: yes, 2012
The objective of this work is to present elements of the project Student engagement in Schools (SES). The team consists of 10 researchers from six Universities.
Almeida, Ana   +9 more
core  

Nutrition education in portuguese medical students: impact on the attitudes and knowledge [PDF]

open access: yes, 2020
Nutrition has been underrepresented in the curriculum of many medical schools and therefore physicians do not feel adequately prepared to provide dietary counselling.
Anjos, Miguel   +17 more
core   +2 more sources

Mapping the Innovation DNA of Agribusiness Firms: A Multi‐Method Analysis of Strategic Capabilities and Performance

open access: yesAgribusiness, EarlyView.
ABSTRACT Innovation is essential for competitiveness in agribusiness facing dynamic environments. This study examines how market orientation, marketing, relational, and social capabilities influence innovation performance. Using data from 751 Spanish firms and a multi‐method approach that integrates Structural Equation Modeling (PLS‐SEM), Necessary ...
Beatriz Corchuelo Martínez‐Azúa   +1 more
wiley   +1 more source

Machine‐Learning‐Assisted Onset‐Time Determination in Transient Luminescence Thermometry

open access: yesAdvanced Intelligent Discovery, EarlyView.
Artificial neural networks enable autonomous extraction of onset times from transient heating curves in luminescence thermometry. Using Ln3+‐doped upconverting nanoparticles as luminescent thermometers, we combine experimental transients with physically motivated synthetic curves to enhance data diversity and improve generalization.
David J. Sousa   +3 more
wiley   +1 more source

Assessment of reliability in isokinetic testing among adolescent basketball players [PDF]

open access: yes, 2011
Background. The reproducibility of day-to-day testing of isokinetic concentric and eccentric muscular actions among adolescent basketball players aged 14 to 16 years and relationships of mean within-subject variation in two isokinetic testing sessions ...
Carvalho, Humberto M   +5 more
core   +1 more source

Data‐Driven Review and Machine Learning Prediction of Diamond Vacancy Center Synthesis

open access: yesAdvanced Intelligent Systems, EarlyView.
A machine learning framework is applied to photoluminescence spectra to extract linewidths and uncover how NV, SiV, GeV, and SnV centers evolve with growth and processing conditions. Unified normalization and k‐fold validation reveal cross‐method trends and enable rapid prediction of defect size and fabrication parameters, offering a data‐driven route ...
Zhi Jiang   +3 more
wiley   +1 more source

Development of an amperometric sensor for epinephrine determination using an Azure A/silver nanocluster modified electrode

open access: yesMicro and Nano Systems Letters, 2023
A novel electrochemical sensor was developed for the detection of Epinephrine (EP) utilizing Azure A (AzA), a phenothiazine dye, and citrate-capped silver nanoparticles.
C. Priya   +3 more
doaj   +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  

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