Results 201 to 210 of about 5,712 (250)
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Anomalous dissolution behaviour of tablets prepared from sugar glass-based solid dispersions
Journal of Controlled Release, 2004In this study, anomalous dissolution behaviour of tablets consisting of sugar glass dispersions was investigated. The poorly aqueous soluble diazepam was used as a lipophilic model drug. The release of diazepam and sugar carrier was determined to study the mechanisms governing dissolution behaviour.
Wouter L J Hinrichs, Henderik W Frijlink
exaly +6 more sources
Electrochimica Acta, 1997
In addition to single nickel crystals also nickel samples produced by dc and pr (pulse-reversal) plating were examined. As previously reported the true rate of dissolution of nickel in solutions containing oxygen was found to be as much as three times the electrochemical rate at the corrosion potential. When passivation was approached (spontaneously or
G Bech-Nielsen
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In addition to single nickel crystals also nickel samples produced by dc and pr (pulse-reversal) plating were examined. As previously reported the true rate of dissolution of nickel in solutions containing oxygen was found to be as much as three times the electrochemical rate at the corrosion potential. When passivation was approached (spontaneously or
G Bech-Nielsen
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Advanced Powder Technology, 2010
Abstract Spray-dried particles were prepared with α-glucosyl hesperidin (Hsp-G), a hesperidin derivative with enhanced water solubility, to improve the solubility profile of naringenin (NRG). Naringenin was used as a model hydrophobic polyphenol. The spray-dried sample of NRG in the presence of Hsp-G formed 3–4 μm spherical particles. Those particles
Yuichi Tozuka
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Abstract Spray-dried particles were prepared with α-glucosyl hesperidin (Hsp-G), a hesperidin derivative with enhanced water solubility, to improve the solubility profile of naringenin (NRG). Naringenin was used as a model hydrophobic polyphenol. The spray-dried sample of NRG in the presence of Hsp-G formed 3–4 μm spherical particles. Those particles
Yuichi Tozuka
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Anomalous kinetic roughening during anodic dissolution of polycrystalline Fe
Physical Review E, 2008Dynamics of surface roughness during polycrystalline pure iron electrodissolution is investigated at constant current density by means of ex situ atomic force microscopy. The scaling of the local surface width reveals that surface kinetic roughening is anomalous with both the exponents of local roughness, alpha(loc) , and growth, beta , close to 1 ...
P Córdoba-Torres +1 more
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Complex Dynamics during Metal Dissolution: From Intrinsic to Faceted Anomalous Scaling
Physical Review Letters, 2009The kinetic roughening of dissolving polycrystalline pure iron has been studied. A depth analysis of surface images has shown two consecutive growth regimes characterized by different scaling anomalous properties: an initial intrinsic anomalous scaling evolving in the thick film limit towards the theoretically conjectured faceted anomalous scaling ...
P Córdoba-Torres +1 more
exaly +5 more sources
Anomalous surface morphology of iron generated after anodic dissolution under magnetic fields
Corrosion Science, 2010The effects of applied magnetic fields on the anodic dissolution of iron in a sulfuric acid solution were studied by potentiodynamic polarization measurements and electrode morphology observations. Uneven anodic dissolution occurs in the presence of magnetic field and the extent of the electrode surface inhomogeneity increases with magnetic flux ...
Zhanpeng Lu, Tetsuo Shoji
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Materials Letters, 2016
Abstract An anomalous deformation-induced dissolution of the intermetallics Ni 3 Al in the matrix of austenitic Fe–Ni–Al alloy has been revealed in experiment at cryogenic temperatures (down to 77 K) under high pressure torsion. The observed phenomenon is explained as the result of deformation-stipulated migration of interstitial atoms from a ...
V V Sagaradze +2 more
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Abstract An anomalous deformation-induced dissolution of the intermetallics Ni 3 Al in the matrix of austenitic Fe–Ni–Al alloy has been revealed in experiment at cryogenic temperatures (down to 77 K) under high pressure torsion. The observed phenomenon is explained as the result of deformation-stipulated migration of interstitial atoms from a ...
V V Sagaradze +2 more
exaly +3 more sources
Anomalous Ru dissolution enabling efficient integrated CO2 electroreduction in strong acid
Chemical Engineering Journal, 2023Beibei Sheng +2 more
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Corrosion, 2004
Chromium corroding in deaerated aqueous solution of sulfuric acid (H2SO4; pH 1 to 3) produces Cr(II) and Cr(III) ions simultaneously in the ratio 7:1, as well as H2. The corrosion potentials of electrochemically activated chromium are determined by the electrochemical processes as expected according to the Wagner-Traud model. However, the real rates of
D.M. Dražić, J.P. Popić
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Chromium corroding in deaerated aqueous solution of sulfuric acid (H2SO4; pH 1 to 3) produces Cr(II) and Cr(III) ions simultaneously in the ratio 7:1, as well as H2. The corrosion potentials of electrochemically activated chromium are determined by the electrochemical processes as expected according to the Wagner-Traud model. However, the real rates of
D.M. Dražić, J.P. Popić
exaly +3 more sources