Results 21 to 30 of about 586,826 (328)

Scratch Morphology Transformation: An Alternative Method of Scratch Processing on Optical Surface

open access: yesMicromachines, 2021
The scratches on an optical surface can worsen the performance of elements. The normal process method is removing scratches entirely. However, it is a tough and high-cost requirement of removing extremely deep scratches and maintaining all the other ...
Guangqi Zhou   +8 more
doaj   +1 more source

Scratch Behaviour of Bulk Silicon Nitride Ceramics

open access: yesMicromachines, 2021
Si3N4 ceramic is generally recognized as being difficult to machine due to its hardness and brittleness. It is necessary to control the normal load applied and the machined depth of the abrasive particles in order to eliminate surface/subsurface damage ...
Xiaolan Xiao   +5 more
doaj   +1 more source

Implementation of educational technology for the development of computational thinking in fourth grade children in a public educational institution in Colombia

open access: yesRevista Perspectivas, 2020
Statistics are becoming more and more important in the teaching of mathematics, being an essential part of the curricula and school environments, for which this project seeks to solve a problem that was detected in the Ciudad Verde educational ...
Andrea Jhoanna Rodríguez Benito   +1 more
doaj   +1 more source

A utilização do Scratch como ferramenta pedagógica na percepção de quem ensinará matemática

open access: yesRevista Brasileira de Ensino de Ciência e Tecnologia, 2022
Este artigo apresenta uma pesquisa sobre o uso da linguagem de programação Scratch, como possível ferramenta no processo de ensino e de aprendizagem de conceitos matemáticos na formação inicial de professores.
Janaína Mendes Pereira da Silva   +3 more
doaj   +1 more source

A utilização do ambiente visual de programação para a contribuição do desenvolvimento do pensamento criativo

open access: yesIntersaberes, 2016
Ensinar programação para crianças e adolescentes é um novo desafio na educação básica. Neste âmbito, este artigo é um recorte de uma dissertação de mestrado com o objetivo de verificar se a utilização do Scratch pode contribuir para o desenvolvimento ...
Manuelle Lopes Quintas Bressan   +1 more
doaj   +1 more source

The Pleasurability of Scratching an Itch Amongst Different Pruritic Conditions

open access: yesActa Dermato-Venereologica, 2020
is missing (Short communication)
Rachel Shireen Golpanian   +6 more
doaj   +1 more source

Introduction to Computational Thinking with Scratch for Teacher Training for Spanish Primary School Teachers in Mathematics

open access: yesEducation Sciences, 2022
In recent years, the inclusion of computational thinking in education has become very important. This is a response to the needs of the evolution of our society and the skills demanded in students to obtain practical and integrated training.
Álvaro Molina-Ayuso   +3 more
doaj   +1 more source

Programación de tecnologías para la inclusión social con Scratch: Prácticas sobre el pensamiento computacional en la formación docente

open access: yesRevista Electrónica Educare, 2019
EEn los últimos años se observa un interés por desarrollar prácticas, conceptos y perspectivas del pensamiento computacional y la programación en las escuelas, por lo cual resulta crucial la formación docente en estas temáticas.
Natalia Monjelat
doaj   +1 more source

Morphological and Tribological Properties of PMMA/Halloysite Nanocomposites [PDF]

open access: yes, 2018
From an environmental and cost-effective perspective, a number of research challenges can be found for electronics, household, but especially in the automotive polymer parts industry. Reducing synthesis steps, parts coating and painting, or other solvent-
Corobea, Mihai   +10 more
core   +2 more sources

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