[PDF] Top 20 Rev. Esc. Minas vol.68 número4

... It is good to remem- ber that although the number of articles published in the printed issues is around 60/ year, the number of analyzed articles continues to grow because they can be pu[r] ... See full document

... Austenitic grain size of samples extracted from industrial hot bands (with deforma- tion) for the two different soaking times: short (< 200min) and long (> 260min). Conclusions[r] ... See full document

... This paper presents the results of a petrographic and geochronological inves- tigation of the Furquim Quartzite (FQ) to establish its stratigraphic correlation to quartzitic units of the Quadrilátero Ferrífero (QF) ... See full document

... Figure 7 Error histograms obtained by cross validation using (a) original Cartesian coordinates and (b) stratigraphic coordinates correction.. Figure 8 Correlations obtained by cro[r] ... See full document

... The increase in the rhodochrosite recovery with increasing water glass content is probably related to its negative value of species adsorbed on the mineral surface, since the rhodochro-[r] ... See full document

... The high cost caused by a high number of delay units is compen- sated by a reduction in the cost of drilling, thanks to the increase of spacing that has allowed realizing fewer holes [r] ... See full document

... It has been shown that the extent of blast damaged zone (BDZ) depends on several factors, such as pressure on blasthole walls, size of primary blocks in rock mass and strength of mon[r] ... See full document

... performance for waste dumps built using the conveyor belt and spreader method are expected when compared with the usual waste disposal practice. This fact is really relevant and worth[r] ... See full document

... The liquor was treated by solvent extraction for separa- tion of the light fraction of rare earth elements(La-Nd) or LREE, from medium and heavy fractions (Sm-Lu) or HREE.. Beyond bat[r] ... See full document

... The purity of magnesia, besides its physical properties, strongly inluences the proper- ties and the iniltration resistance of magnesia-spinel bricks; as such the use of high grade magn[r] ... See full document

... carried out at the microanalysis lab (LAMIN) at the Physics Department – Federal University of Minas Gerais, with JEOL-JXA8900R electron micro- probe. An accelerating potential of 15 kV, a specimen current of 20 ... See full document

... The feed grade (A/S) represents the enrichment of useful minerals, and a higher feed grade indicates higher enrichment, which leads to an concentrate grade and metal recov- ery. Conv[r] ... See full document

... The area of this study is located along the eastern edge of the Quadri- látero Ferrífero (QFe) (Dorr 1969) in the central portion of Minas Gerais state between the districts of Santa [r] ... See full document

... Outro desaio das publicações cientíicas está no fato de elas serem mul- tidisciplinares, pois as relações entre as áreas, por exemplo da REM, devem se complementar: desde as pesquisas e descobertas de áreas minerais ... See full document

... Another challenge for scientiic publishers is the fact that the articles are multidis- ciplinary. Therefore, the publisher needs to attend to the relationship between various areas, i.e. REM needs to deal with issues ... See full document

... OLIVEIRA, R. R. V. Análise elastoplástica via MEF de problemas em solos refor- çados. Ouro Preto: Escola de Minas, Universidade Federal de Ouro Preto (UFOP), 2006. 143 f. (Dissertação de Mestrado em Engenharia ... See full document

... quini 2006). In the 1980s, Prof. Margarida Andreatta excavated this site and the results of the thermoluminescence dating of a few European style pottery fragments found there indicated they were 520 ± 75 years old ... See full document

... The analytical signal map outlines areas of high mag- netic susceptibility within its boundaries, coinciding with structural lineaments in the NS and EW directions, associated with the [r] ... See full document

... Figure 5 Results in fresh Itaquera Granite using 54 kHz transducers with the direct method (a) and semi-direct method (b).. Kuzmickas (2013) used ultra- sound to evaluate some tombston[r] ... See full document

... With regards to the froth imagery of copper lotation, this paper proposes that the wavelet multi-scale binary process can be adopted for extraction of the equivalent size feature fr[r] ... See full document