[PDF] Top 20 REM, Int. Eng. J. vol.69 número3

... Furthermore, the founder of the School of Mines of Ouro Preto sought inancial support for the irst students, in the form of a scholarship, and in requesting the same, proposed to pay p[r] ... See full document

... This research included the following variables that affect the energy consumed or given by combustion reaction: the speed and pressure of the fuel in the burner, the temperature of [r] ... See full document

... The concrete with coarse granite aggregates showed the best performance with the reference concrete REF2 having the best results at the age of seven days and concrete GRN5 and REF2 [r] ... See full document

... carried out in contact with risk agents or those carried out within areas of risk, ef- fectively and not eventually, it was noted that the following functions encompass the execution [r] ... See full document

... The best result obtained with CTAB was achieved at neutral pH and collector concentration of 400 g/t (test B9); the Al/Si ratio changed from 11.06 to 26.56 and the metallurgical rec[r] ... See full document

... The modiied differential equation is solved by using a well-known closed form solution based on the error function, and then analytical equations are obtained to analyze the diffusion [r] ... See full document

... The adherence obtained at 28 days for the copper tailings stucco was 250% higher than the value required by the standard and 130% and 150% higher than that achieved by the exterior s[r] ... See full document

... (a) digital camera; (b) temperature and humidity sensor; (c) solar radiation sensor; (d) wind speed sensor; (e) swing angle sensor along the insulator strings; (f) electrical data [r] ... See full document

... The results were used to predict the energy consumption in a grinding circuit using the Donda methodology (DONDA, ROSA 2014).. The energy consumption predicted was.[r] ... See full document

... The values of the output vari- ables f and j are compared with the experimental data obtained in (Wang et al.,1998). After obtaining accurate results for these variables, optimiza- tion of heat exchanger geometry ... See full document

... The conditions of equilibrium and strain compatibility must be satisied in a inite number of cross sections along the longitudinal axis of the column, being the displaced longitudina[r] ... See full document

... The occurrence of ive rare minerals in the Eastern Brazilian Pegmatite Province, northeastern Minas Gerais, is described and discussed: bergslagite [CaBe(AsO 4 )(OH)] from the Manoel [r] ... See full document

... This article proposes the use of electrical tomography for deinition of a geophysical signature in terms of electrical resistivity and chargeability, in an outcrop of mineralized quart[r] ... See full document

... Figure 3 Concrete cover X increase in service life for treated and untreated concrete - C s = 0.9% (diffusion coefficient by the Luping and Nilsson method, 1992). The results present[r] ... See full document

... The deterministic optimiza- tion problem considers the plate submitted to a time varying load while the probabi- listic one takes into account a random loading deined by a power spectral[r] ... See full document

... of REM is distributed, the School of Mines of Ouro Preto will have completed one more year of existence, and a great Brazilian mining event will be occurring - the 17 th Brazilian Mining ... See full document

... Afterwards, we will present some considerations on the three factors which tunnel- ling impacts: mobility, quality of life and social sustainability.. As a case study, we will analyse t[r] ... See full document

... The results of the friction damper optimization for each structure subjected to two seismic records are present in this section. Thus, regarding the nine-story building, Table 4 and 5 show that in each objective function ... See full document

... that despite the good correlation between the itted curves and the experimental data, the damping factor obtained through the numerical model was, in general, underes- timated. Notwit[r] ... See full document

... Reinement of a crystallographic slip band substructure in low to medium rolling strain and nucleation of twins on the mature slip bands at a higher strain were suggested as deformation[r] ... See full document