[PDF] Top 20 Rev. Esc. Minas vol.67 número3 pt a01v67n3
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Rev. Esc. Minas vol.67 número3 pt a01v67n3
... de Minas, já detectara o problema, pois era sua preocupação permanente, enquanto esteve no Brasil, a situação deplorável em que se encontravam os ensinos primário e ... See full document
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Rev. Esc. Minas vol.67 número3
... pequenas minas artesanais operam sem a capacidade inanceira ou técnica para atualizar seus métodos de produção, muitas vezes utilizando equipamentos e métodos de lavra que foram abandonados há décadas na indústria ... See full document
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Rev. Esc. Minas vol.67 número3
... de Minas, já detectara o problema, pois era sua preocupação permanente, enquanto esteve no Brasil, a situação deplorável em que se encontravam os ensinos primário e ... See full document
1
Rev. Esc. Minas vol.67 número4 pt a01v67n4
... de Minas da Universidade Federal de Minas Gerais, publicando os melhores trabalhos do 8º CB MINA (8º Congresso Brasileiro de Mina a Céu Aberto (8th Brazilian Congress of Open Mining) - 8º Congresso ... See full document
1
Rev. Esc. Minas vol.67 número3
... “Our works at the School and the matters that occupy the time available for the lessons given are all directed towards one end: to be able to one day write the physical and geological history of the Province of ... See full document
22
Rev. Esc. Minas vol.67 número3
... The methods that take the height as the main input presented results below 26.5%, but it should be taken into account that the central portion of the charge had a lower level in comp[r] ... See full document
6
Rev. Esc. Minas vol.67 número3
... The achieved percentage of detonation velocity (VOD) of the mixtures in relation to the ANFO were 55.4% for ammonium nitrate + rice straw, 64.9% for ammonium nitrate + corn cob, 70.1%[r] ... See full document
6
Rev. Esc. Minas vol.67 número3
... deformation (and hole ovalization) this shear connection revealed a much greater lexibility than a conventional connection with welded shear connector (BREMER, 2007), leading to particular issues in the composite beam ... See full document
6
Rev. Esc. Minas vol.67 número3
... This article analyzed the problem of selection and purchase of mining equipment using the WPM, Electre I and Prométhée II methods, all three belonging to the MCDA methodology. The case study examined the acquisition and ... See full document
6
Rev. Esc. Minas vol.67 número3
... For the temperatures of 1100°C and 1150°C, the classiication obtained for the ceramic samples of Compostion A was stoneware (Group BIb) because the water absorption values were infer[r] ... See full document
5
Rev. Esc. Minas vol.67 número3
... To validate the representativeness of the borehole samples selected for the mineral processing studies, the geological resources evaluation team proposed a methodology based on the uti[r] ... See full document
7
Rev. Esc. Minas vol.67 número3
... primary dendrite spacings as function of cooling rate during upward, downward, and horizontal directional solidiication of Al-7wt.%Si alloy. It can be seen that the[r] ... See full document
6
Rev. Esc. Minas vol.67 número3
... In this state of development for both software engineering and steel construc- tion industry, this work goes towards the direction of sharing an experience the authors had in developi[r] ... See full document
6
Rev. Esc. Minas vol.67 número3
... As noted above, from identiica- tion of the losses and bottlenecks in the unit operations of the mine, this study proposes to develop a diagnosis of the current practices in the dolom[r] ... See full document
6
Rev. Esc. Minas vol.67 número2
... To overcome the critical points and to trace the whole nonlinear equilibrium path, three different strategies are used in association with the normal low technique: the cylindrical arc[r] ... See full document
8
Rev. Esc. Minas vol.67 número2
... The AVS/SEM results suggest that, although the bulk metal concentrations are above TEL (Threshold Effects Level: A chemical concentration above which some adverse effect to biota is ex[r] ... See full document
7
Rev. Esc. Minas vol.67 número2
... Since 2001, a paleochannel located on the banks of the Borrachudo River, in the locality called Canastrão (munici- pality of Tiros, Minas Gerais State), has been exploited by Petrus Mineração, a company from Patos ... See full document
7
Rev. Esc. Minas vol.67 número2
... Foram feitos testes com o vidro óptico B270® através do torneamento com fer- ramenta de diamante. Foram aplicadas condições submicrométricas de corte, a im de se gerar uma resposta dúctil, para o vidro, durante a ... See full document
6
Rev. Esc. Minas vol.67 número2
... Keywords: Horizontal directional solidiication, unsteady-state heat low, primary dendrite arm spacing, microhardness, Al-Sn Alloys.. Resumo.[r] ... See full document
7
Rev. Esc. Minas vol.67 número2
... Once the XRD results showed that the zeta, delta and gamma phases were successfully synthesized, the mixture of the three intermetallic phases (50% of delta, 30% of zeta and 20% of g[r] ... See full document
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