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Optimization of sample treatment for the identification of anthraquinone dyes by surface-enhanced Raman spectroscopy
(Springer Verlag, 2017)
© 2017, Springer-Verlag Berlin Heidelberg. The study and characterization of old artifacts such as pigments requires the use of techniques that need a small amount of sample to perform the analysis because of the high value ...
Experimental study of solid liquid type transitions in vibrated granular layers and the relations with surface waves
(2000)
From pressure and surface dilation measurements, we show that a solid-liquid-type transition occurs at low excitation frequencies in vertically vibrated granular layers. This transition precedes subharmonic bifurcations ...
Effect of solvent hydration and temperature in the deacidification process of sunflower oil using ethanol
(ELSEVIER SCI LTD, 2009)
This work presents liquid-liquid experimental data for systems composed of sunflower seed oil, ethanol and water from 10 to 60 degrees C. The influence of process variables (temperature (T) and water concentration in the ...
Breakup of Thin Liquid Filaments on Partially Wetting Substrates: from Micrometric to Nanometric Scales
(Soc Brasileira Fisica, 2016-04)
We present theoretical and experimental results regarding the instability of a thin liquid film in the form a long filament sitted on a solid substrate. We consider this problem in two different scenarios, namely, at ...
Ion exchange resins applied in the removal of uranium from contaminated effluents
(Associa????o Brasileira de Energia Nuclear, 2021)
Degradation of the Oxirane Ring of Epoxidized Vegetable Oils in a Liquid-liquid-solid Heterogeneous Reaction System
(Elsevier Science Sa, 2007-12)
The main oxirane-ring opening reactions that occur during the manufacture of epoxidized vegetable oils using a strongly acidic, gel-type ionexchange resin (IER) (Amberlite IR-120, 8% crosslinking) were analyzed. By using ...
Three-dimensional transient complex free surface flows: Numerical simulation of XPP fluid
(2013-05-01)
In this paper we present a finite difference MAC-type approach for solving three-dimensional viscoelastic incompressible free surface flows governed by the eXtended Pom-Pom (XPP) model, considering a wide range of parameters. ...
Three-dimensional transient complex free surface flows: Numerical simulation of XPP fluid
(2013-05-01)
In this paper we present a finite difference MAC-type approach for solving three-dimensional viscoelastic incompressible free surface flows governed by the eXtended Pom-Pom (XPP) model, considering a wide range of parameters. ...
Experimental determination and theoretical modeling of the vapor-liquid equilibrium and surface tensions of hexane plus tetrahydro-2H-pyran
(ELSEVIER, 2012)
Isobaric vapor-liquid equilibrium (VLE) data have been measured for the binary system hexane + tetrahydro-2H-pyran at 50, 75, and 94 kPa and over the temperature range 321-358 K using a vapor-liquid equilibrium still with ...