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Ano 81 . Nº 04 . v.70 . oct/dec. 2017

See the contents of issue # 04, v. 70, School of mines magazine: REM – Revista Escola de Minas

Editorial

Civil Engineering

· Chemical and mineralogical characterization of silicon manganese iron slag as railway ballast
Ralph Werner Heringer Oliveira, Gilberto Fernandes, Fabiano Carvalho Sousa, Rairane Aparecida Barreto

· Influence of shear lag coefficienton circular hollow sections with bolted sleeve connections
Lucas Roquete, Arlene Maria Cunha Sarmanho, Ana Amélia Oliveira Mazon, João Alberto Venegas Requena

· Numerical analysis of cold-formed double angles back-to-back under compression
Davi Fagundes Leal, Jorge Munaiar Neto, Maximiliano Malite

· Punching of reinforced concrete flat slabs with holes and shear reinforcement
Jales Almeida Silva, Marília Gonçalves Marques, Leandro Mouta Trautwein, Ronaldo Barros Gomes, Gilson Natal Guimarães

Geosciences

· Preliminary assessment of Miramar Petrochemical Harbor as PAH source to Guajará bay (Belém-PA-Brazil) surface sediments
Silvana do Socorro Veloso Sodré, Camila Carneiro dos Santos Rodrigues, José Augusto Martins Correa, Flaviana Cardoso Damasceno, Rivelino Martins Cavalcante

Mechanic and Energy

· Study of the electricity consumption reduction of a compressed air system: the case of a steelmaking company
Washington Luís Vieira Silva, Leonardo Carvalho Oliveira Souza, Luís Antônio Bortolaia, Milton Realino de Paula, Elisângela Martins Leal

· Application viability evaluation of the Minimum Quantity Lubrication coolant technique under different flow rates in Plunge Cylindrical Grinding of the ABNT 4340 steel with aluminum oxide wheel
Rafael Lemes Rodriguez, Rodolfo Alexandre Hildebrandt, José Claudio Lopes, Hamilton Jose de Mello, Rosemar Batista da Silva, Paulo Roberto de Aguiar, Eduardo Carlos Bianchi

Metallurgy and Materials

· Validation of a simplified computer simulation method for plastic forming of metals by conventional tensile tests
Daniel Fraga Pinto, Maria Aparecida Pinto, Paulo Raimundo Pinto, Adilson Rodrigues da Costa

· Effectiveness acidic pre-cleaning for copper-gold ore
Antonio Clareti Pereira, Viviane da Silva Borges Barbosa

· Hydrometallurgical extraction of Al and Si from kaolinitic clays
Eliana G. Pinna, Daniela S. Suarez, Gustavo D. Rosales, Mario Humberto Rodriguez

· Study of the microstructure and mechanical properties of beta tricalcium phosphate-based composites with alumina addition produced by powder metallurgy
Bruna Horta Bastos Kuffner, Andreia Ditzel Facci, Daniela Sachs, Gilbert Silva

· Impact of operational parameters on fuel consumption of a blast furnace
Vitor Maggioni Gasparini, Luiz Fernando Andrade de Castro, Victor Eric de Souza Moreira, Alfredo Carlos Bitarães Quintas, Arthur Oliveira Viana, Dimas Henrique Barros Andrade

· Effect of casting mode and thermal treatments on the electrical conductivity of the AA4006 aluminum alloy
Daniel Sierra Yoshikawa, Leandro Gomes de Carvalho, Ronald Lesley Plaut, Angelo Fernando Padilha

Mining

· Bibliometric analysis on kaolinite flotation
Gabriela Lieberknecht, Patrícia Helena Lara dos Santos Matai, Laurindo de Salles Leal Filho

· Aging simulation of the tailings from Stava fluorite extraction by exposure to gamma rays
Gianluca Bella, Fernando Soares Lameiras, Terezinha de Jesus Espósito, Monica Barbero, Fabrizio Barpi

· Influence of agitation intensity on flotation rate of apatite particles
Francisco Gregianin Testa, Mehdi Safari, David Deglon, Laurindo de Salles Leal Filho