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“I'll show you how!” Children's learning about drawing and collaboration using ...
Figueiredo, Maria Pacheco; Gonçalves, Nelson A. F.; Lopes, Maria Helena; Barreiros, FátimaTwo groups of children in early childhood education explored MyPaint with a graphics tablet. Data on the appropriation of the software by the children and on important dimensions of their learning of/with the software were collected. Two aspects of the analysis are presented: the learning about drawing, with transfers from the software to traditional drawing, and the collaboration for learning, focusing on how ...
Calculating Shape Factors from Particle Sizing Data
Barreiros, Fátima M.; Ferreira, Paulo J.; Figueiredo, M. MargaridaIt is well established that particle size and shape substantially influence the bulk properties of powdered materials. Although these characteristics are closely interrelated, the tendency has been to analyse the particle size independently from particle shape. The aim of this work was the assessment of particle shape through particle sizing data. For this purpose, three different particle shape materials - gla...
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