[PDF] Top 20 Mat. Res. vol.11 número2

... We gratefully acknowledge the Brazilian funding agencies CNPq and CAPES for covering the editorial and printing costs of this issue of Mat. Res. The financial support from Depart- ment of Materials ... See full document

... M4) PA addition in 1 hour over stirred calcium hydroxide slurry and 6 hours ball milling;.. M5) Rapid PA addition (13 minutes) on stirred calcium hydroxide suspension plus 6 hours ba[r] ... See full document

... The aim of this study was to compare the in vitro wear and superficial roughness of four materials (Delton Dyract Flow, Dentsply; Filtek Flow, Vitremer, 3M ESPE) used as fissure sealant[r] ... See full document

... Supported perovskites on Al 2 O 3 showed a decrease of the hyperfine field in respect to unsupported perovskite, due to decrease of particle size and dispersion of the Fe 3+ specimens[r] ... See full document

... On both steels and after oxidation for 50 hours at all temperatures, a continuous oxide film is formed on the 430A and 430E stainless steels. In the temperature range and oxygen partia[r] ... See full document

... In order to clarify the influence of Bi-doping on oxygen diffusion in ZnO, the bulk and grain boundary oxygen diffusion coefficients were measured in Bi 2 O 3 -doped ZnO polycrys[r] ... See full document

... A comparison of the results of the measurement of the zeta potential between a polished disk and a film of tourmaline particles suggests that the roughness of the surface of the ro[r] ... See full document

... The CyA is a cyclic endecaptide commonly used as a selective immunosuppressive drug, with anti-inflammatory properties effec- tive in the treatment of the posterior uveitis isolated from fungal. The lyophilized drug ... See full document

... The fine microstructure is revealed by TEM, see examples in Figure 6. The corresponding diffraction patterns show that the 1X specimen contains a high proportion of low angle boundarie[r] ... See full document

... According to the methodology employed in this study, it may be concluded that the surface sealant was not able to protect the com- posite resin against staining, the coffee was the stai[r] ... See full document

... After threshold, the current density of ITO/MH-PPV/Al device is directly proportional to light intensity suggesting that the dc electrical resistivity of the polymer film (obtained fr[r] ... See full document

... Although there is a lack of understand- ing regarding the behavior of ions or molecules to explain how they compete with water molecules near to the hydrated surfaces, this pa[r] ... See full document

... The purpose of this study was to evaluate in vitro the antimicrobial activity of materials used as root canal filling in deciduous teeth by direct exposure test.. The materials tested w[r] ... See full document

... the calculated data because the calculation procedure has referred to the polymer as mer units and the experimental data make use of the polymer bulk to obtain the interfacial tension.[r] ... See full document

... In the present study, the goal is to evaluate the effects of process pa- rameters on the performance measure and the optimum combination of control factors that would maximize the compr[r] ... See full document

... Finally, in the theoretical development, we presented the concept of the equivalent slip modulus, showing how the slip modulus, usu- ally determined for a connection with a single nail,[r] ... See full document

... After stress annealing, the low coercive force and remanent induction values were reduced to an even lower hysteresis curve energy loss, allowing for low noise levels in this alloy app[r] ... See full document

... The Cr 3 C 2 -25(Ni20Cr) powder in the as-received condition and that milled for 4 hours in nitrogen were used as feed stock for ther- mal spraying coatings on AISI 310 specimens 50 x 20 x 2 mm using the high velocity ... See full document

... In order to study the crystal structure of the samples we employed different techniques such as X ray Absorption Near Edge Structure (XANES), Extended X ray Absorption Fine Structure [r] ... See full document

... The relative changes in dc conductivity and electrical threshold field are consistent with the OIT compensation plot, demonstrating that this analysis can be used to monitor LDPE/CB com[r] ... See full document