Results 51 to 60 of about 921,643 (195)

A integração das engenharias e o ensino médio para a melhoria da educação [PDF]

open access: yes, 2014
Trabalho apresentado no 31º SEURS - Seminário de Extensão Universitária da Região Sul, realizado em Florianópolis, SC, no período de 04 a 07 de agosto de 2013 - Universidade Federal de Santa Catarina.O educador tem a tarefa de orientar o processo ...
Silva, Nelci   +10 more
core  

AVALIAÇÃO DO PERFIL DOS EGRESSOS DO PROGRAMA DE PÓS GRADUAÇÃO EM ENGENHARIA MINERAL DA UNIVERSIDADE FEDERAL DE OURO PRETO [PDF]

open access: yesANAIS do XLIX Congresso Brasileiro de Educação em Engenharia, 2021
Carlos Alberto Pereira   +4 more
openaire   +1 more source

In Situ Thermomechanical Evolution of Geopolymer‐Bonded Castables Containing Alternative Aluminosilicate Precursors

open access: yesJournal of the American Ceramic Society, Volume 109, Issue 9, September 2026.
ABSTRACT Geopolymer binders have emerged as promising alternatives to calcium aluminate cement (CAC) for refractory castables, although their thermomechanical behavior during heating remains poorly understood. This work investigates high‐alumina refractory castables bonded with geopolymers produced from metakaolin (MK), calcined kaolin (CC), and an ...
B. S. Rezende   +3 more
wiley   +1 more source

Formulação de materiais vitreos a partir de cinza pesada resultante da queima de carvão mineral: efeito de fundentes [PDF]

open access: yes, 2012
Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro Tecnológico. Programa de Pós-Graduação em Engenharia QuímicaVários estudos sobre cinzas pesadas provenientes da combustão do carvão mineral, em usinas termelétricas, tem demonstrado ...
Matsinhe, Jonas Valente
core  

Proactive reconciliation as a tool for integrating mining and milling operations

open access: yesInternational Journal of Mining Science and Technology, 2019
Historically, reconciliation has been viewed as a quality test of model estimates as well as a powerful tool for detecting and correcting problems in all stages of mine operations from resource estimation to metal production.
Ana Carolina Chieregati   +3 more
doaj   +1 more source

As Engenharias da Indústria Mineral no contexto da Universidade Federal de Alfenas

open access: yes
The book presents research on the mining industry in Brazil, focusing on its economic, social, environmental and educational aspects. Authored by professors from the Federal University of Alfenas (MG) and the University of Sao Paulo (SP), it analyzes the role of mining in the Brazilian economy.
Rusilo, Luiz Carlos   +4 more
openaire   +2 more sources

L‐Glutamine Plus L‐Glutamic Acid Enhances Antioxidant Status and Ammonia Toxicity Resilience, Upregulates Interleukin IL‐10 Gene, and Improves Gut Microbiota and Survival in Juvenile Nile Tilapia

open access: yesJournal 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

Resíduo industrial como matéria-prima alternativa para a produção de filtros cerâmicos refratários

open access: yesCerâmica, 2015
ResumoO desenvolvimento de atividades de valorização de resíduos sólidos pode viabilizar a produção de produtos industriais com elevado potencial de reaproveitamento como fonte alternativa mineral.
A. C. Carvalho   +3 more
doaj   +1 more source

A Bibliometric‐Based Review of Biochar for Salt‐Affected Soil Restoration: Mapping Research Trends and Future Directions

open access: yesLand Degradation &Development, Volume 37, Issue 13, Page 8963-8985, 15 August 2026.
ABSTRACT In recent years, biochar has been studied for its range of applications. Recognized by the IPCC as a key Carbon Dioxide Removal (CDR) strategy, it also stands out as an important tool for reclaiming degraded lands, including vast global areas affected by salinity, such as those in China, India, and Australia.
Juciane Vieira de Assis Freire   +12 more
wiley   +1 more source

Cultivating Lavandula dentata in Coal-Waste Technosols: Implications for Essential Oil Production and Post-Mining Restoration

open access: yesMining
This study assessed the feasibility of cultivating Lavandula dentata in Technosols produced from fine and coarse coal mining waste, focusing on plant development, substrate functionality, essential oil production, and post-mining ecosystem restoration ...
Arthur Cesa Venturella   +4 more
doaj   +1 more source

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