Results 21 to 30 of about 19,710 (216)
Digital Storytelling as a narrative approach to identity and career construction
Il Capitale Culturale: Studies on the Value of Cultural Heritage, 2023 Digital Storytelling (DST) is a participatory, narrative, and art-based practice that has been applied for various purposes and in various institutional contexts. In higher education institutions, it has many uses.
Pirita Juppi
doaj +1 more source
Cinética da flotação de pirita I
Ecletica Quimica, 1988 .
Newton Luiz Dias Filho +2 more
openaire +2 more sources
Dual-processing altruism [PDF]
, 2013 Altruism refers to an other-benefiting behavior that is costly but bears no direct profit to oneself. At least three different forms can be distinguished: help giving, altruistic punishment, and moral courage.
Pirita Kinnunen, Suna, Windmann, Sabine
core +2 more sources
Ciência Rural, 2010 A mineração de carvão a céu aberto envolve a remoção superficial do solo e de camadas geológicas, os quais devem ser repostos visando à reabilitação das áreas mineradas.
Alberto Vasconcellos Inda +5 more
doaj +1 more source
Estudios Geologicos, 1988 La «Cuarcita del Criadero» del yacimiento de Almadén está constituida por dos niveles cuarcíticos, superior e inferior, separados por las denominadas pizarras intermedias.
J. B. Alvarez Martín +3 more
doaj +1 more source
Epistemic roles of materiality within a collaborative invention project at a secondary school
British Journal of Educational Technology, Volume 51, Issue 4, Page 1246-1261, July 2020., 2020 Abstract In this study, we examined maker‐centred learning from an epistemic perspective, highlighting the agentic role of material engagement and artefacts in learning and creativity. The use of physical materials plays a crucial role in maker activities where the socio‐epistemic aspects of knowledge creation entangle with the designing and making of ...
Varpu Mehto +4 more
wiley +1 more source
Revista Colombiana de Biotecnología, 2016 This study aimed comparing the oxidative activity of two strains of Acidithiobacillus ferrooxidans in a desulphurization process, using a sub-bituminous coal with a high sulfur content (2.30% total sulfur: 1.06% as pyritic, 1.10% as organic and 0.14 ...
María Consuelo Prada Fonseca +2 more
doaj +1 more source
Biolixiviación de cobre a partir de minerales sulfurados con altos tenores de pirita y arsenopirita
Revista del Instituto de Investigación de la Facultad de Minas, Metalurgia y Ciencias Geográficas, 2015 El estudio fue realizado con cepas aisladas de drenaje ácido y consistió en procesamiento de sulfuros de cobre de alta mineralización que contenían principalmente 45.30 % de pirita y 13.12 % de arsenopirita. La biolixiviación fue realizada en matraces de
Vladimir Arias Arce +6 more
doaj +1 more source
Lixiviación de la calcopirita en medios clorurados
Revista de Metalurgia, 2013 El objetivo de esta investigación es determinar el efecto de parámetros y aditivos (MnO2 - iones de plata - pirita) en la cinética de disolución de la calcopirita mediante pruebas de disolución con concentrado de calcopirita y calcopirita natural en ...
T. Ibáñez, L. Velásquez
doaj +1 more source
Revista Brasileira de Ciência do Solo, 2015 RESUMO Os solos construídos após a extração de carvão a céu aberto são compostos do solo superficial e, ou, do estéril de mineração. As propriedades químicas desses solos diferem das propriedades dos solos naturais, principalmente em razão do processo de
Dioni Glei Bonini Bitencourt +4 more
doaj +1 more source