Results 61 to 70 of about 58,988,601 (227)
Geometallurgical Characterization of the Main Mining Fronts of a Zinc and Lead Mine Operation
MiningGeometallurgy is an approach that utilizes predictive models that can support business decisions, mitigate risks, and enhance production efficiency.
Jordan J. Silva +6 more
doaj +1 more source
CHAIN EXTENDER AND EMULSIFIER APPLICATION IN IRON ORE FLOTATION [PDF]
Tecnologia em Metalurgia, Materiais e Mineração, 2013 The present study aims to evaluate the reverse flotation performance of iron ore, using collector (amine), in the presence and absence of chain extender (diesel oil) and emulsifier (sodium lauryl sulfate).Six tests were realized with duplicate.
José Pedro da Silva +2 more
doaj +1 more source
Energy conversion of biogas from livestock manure to electricity energy using a Stirling engine
Energy Conversion and Management: X, 2022 The use of biogas can present an interesting alternative for energy production, especially in regions far from conventional centers of power production and distribution, such as estates with agricultural and livestock activity, in addition to ...
Bryan Castro Caetano +4 more
doaj +1 more source
Facilitators’ champion behaviors for delivering an evidence‐based parenting program
American Journal of Community Psychology, Volume 78, Issue 1-2, Page 263-276, September 2026.Abstract Effective implementation of parenting programs relies on multiple factors, particularly the role of facilitators who actively deliver and support the intervention. Facilitators’ champion behaviors or the efforts they make to encourage implementation, can positively impact the outcomes of these programs.
Camila Regina Lotto +3 more
wiley +1 more source
Estudo da aplicabilidade do ácido de Caro como agente de lixiviação do cobre [PDF]
, 2009 Tese de mestrado. Engenharia de Minas e Geo-Ambiente. Faculdade de Engenharia.
Magalhães, Cláudia Cristina da Costa
core +1 more source
Precipitación de hierro (III) utilizando óxido de magnesio en lecho fluidizado
Revista de Metalurgia, 2006 En esta investigación se ha desarrollado un proceso para la eliminación de hierro (III), de un efluente inorgánico sintético ácido, utilizándose como álcali alternativo óxido de magnesio para la precipitación en lecho fluidizado.
P. A. Esteban-Bocardo +1 more
doaj +1 more source
SiC/Si ceramic hollow fibres: A new approach to Chlorella vulgaris biomass harvesting
The Canadian Journal of Chemical Engineering, Volume 104, Issue 9, Page 4568-4578, September 2026.Abstract Efficient harvesting of microalgae is a critical challenge for the viability of biorefineries, requiring technologies that combine high selectivity, low cost, and scalability. The current work evaluated the performance of an asymmetric hollow fibre ceramic membrane (HF‐SiC70Si30), fabricated by phase inversion and sintered at 1250°C, in the ...
Erisson Paulo Borges Lopes +4 more
wiley +1 more source
Research, Society and Development, 2019 Todo saber científico deve ser construído pensando no seu impacto na sociedade; e uma das formas de se trabalhar esse pensamento crítico em alunos de engenharia é através da prática de extensão. O presente trabalho avaliou, através de questionário, 20 alunos que participaram do programa de extensão Educação, Geociência e Mineração da Universidade ...
Caiubi Emanuel Souza Kuhn +2 more
openaire +2 more sources
Journal of Animal Physiology and Animal Nutrition, Volume 110, Issue 5, Page 715-730, September 2026.ABSTRACT Glutamine (Gln) and glutamic acid (Glu) are the most abundant free amino acids (AAs) in the fish body. Although classified as non‐essential AAs, their supplementation can be a strategy to optimize the growth performance and health of fish.
Cristiana Leonor da Silva Carneiro +9 more
wiley +1 more source
, 2009 Tese de mestrado. Engenharia de Minas e Geo-Ambiente. Faculdade de Engenharia.
Pereira, Ricardo Manuel das Neves
core +1 more source