Results 11 to 20 of about 61,184 (249)

CAAtivas: Aprender com jogos em Comunidade

open access: yesRevista de Estudios e Investigación en Psicología y Educación, 2017
O Projeto CAAtivas consiste numa plataforma de Aprendizagens Ativas, em comunidade de prática apoiada por investigação. Aposta num modelo dinâmico e inclusivo de aprendizagens significativas ao longo da vida, e de verificação de competências. Com análise
Ana Cristina Ferreira de Almeida   +6 more
doaj   +1 more source

K-means Weibo topic discovery model based on feature fusion

open access: yesDianzi Jishu Yingyong, 2020
Aiming at the shortcomings of high-dimensional sparseness in the short text of Weibo on traditional topic detection methods, a K-means Weibo topic discovery model based on feature fusion was proposed.
Li Hailei   +4 more
doaj   +1 more source

Solo pregado em suporte de escavações

open access: yesGeotecnia, 1986
Apresenta-se uma técnica de suporte de escavações baseada no conceito de solo reforçado. Descreve-se o mecanismo de rotura de dupla cunha e propõe-se um modelo de cálculo de estabilidade global em que é considerada a segurança ao deslizamento da cunha ...
José Veloso, Júlio Magro
doaj   +1 more source

Visual Depression Diagnosis From Face Based on Various Classification Algorithms [PDF]

open access: yesEngineering and Technology Journal, 2020
Most psychologists believe that facial behavior through depression differs from facial behavior in the absence of depression, so facial behavior can be utilized as a dependable indicator for spotting depression.
Sana Nasser, Ivan Hashim, Wisam Ali
doaj   +1 more source

Research Trends in Taekwondo Demonstrations from 2004 to 2023 Utilizing Topic Modeling [PDF]

open access: yesCheyuk gwahag yeon-gu
PURPOSE By analyzing trends in Taekwondo demonstrations, specifically in breaking and performances, to date, this study aims to offer timely insights and set the groundwork for future research.
Hyesoo Cho, Jiyong Park, Eunsu Lee
doaj   +1 more source

First principle study on the Structural and Electronic Properties of Lead-Free Double Halide Perovskite Cs2InSbCl6 [PDF]

open access: yesPhysics Access, 2023
The structural and electronic characteristics of Cs2InSbCl6 were investigated using first principle density functional theory (DFT) within local density approximation (LDA) and generalized gradient approximation (GGA) as implemented in the Quantum ...
Ahmad Zainab   +3 more
doaj   +1 more source

Regimes with high levels of pressure pulsations in the model of Francis-99 hydro-turbine draft tube

open access: yesИзвестия высших учебных заведений: Проблемы энергетики, 2017
The paper reports on the regimes of flow with high level of pressure pulsations in a laboratory air model of the Francis-99 hydro turbine draft tube.
I. V. Litvinov   +2 more
doaj   +1 more source

An Analysis of Domestic and International Research Trends of Assessment in Mathematics Education Using Topic Modeling

open access: yesJournal of Educational Research in Mathematics, 2020
Research into assessments in mathematics education has broadened from summative assessments focusing on students achievement to those focusing on students' cognition, curriculum, teaching and learning, teacher knowledge and quality, and affective domains.
Taekwon Son, Sunghwan Hwang
doaj   +1 more source

Decommissioning and demolition of a dicalcium phosphate plant: aspects of radiological protection and safety

open access: yesBrazilian Journal of Radiation Sciences
The detection of ionising radiation in materials from the decommissioning of a dicalcium phosphate plant meant that this whole operation had to be overhauled in terms of radiological protection and safety.
Romão Trindade   +7 more
doaj   +1 more source

Dietary Protein Quality Affects the Interplay between Gut Microbiota and Host Performance in Nile Tilapia

open access: yesAnimals
Dietary protein quality plays a key role in maintaining intestinal mucosal integrity, but also modulates the growth of luminal microorganisms. This work assessed the effect of dietary protein sources on the performance, gut morphology, and microbiome in ...
Gabriella do Vale Pereira   +5 more
doaj   +1 more source

Home - About - Disclaimer - Privacy