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2009 NOV 23 ... and conversion mechanisms, experimental infiltration and defiltration tests of liquid/ion solutions into nanopores of a hydrophobic ZSM-5 zeolite were ... in the liquid-both factors of which alter the characteristics of the nanofluidic transport behavior."Zhao and colleagues published their study in Langmuir ...
2009 NOV 25 ... the model produces results that agree well with experimental profiles for measured ion concentrations at the outlet," wrote S. Evje and colleagues.The researchers ... a mathematical model is proposed for modeling of coupled dissolution/precipitation and transport processes relevant for the study of chalk weakening effects in carbonate reservoirs. The ...
2009 NOV 24 ... of osmotic water flow and H2S flux. To measure H2O and H2S fluxes, respectively, sodium ion dilution and buffer acidification by proton release (H2S reversible arrow H+ + HS-) were ... and important member in the group of gaseous signaling molecules. However, the molecular transport mechanism has not yet been identified," scientists in Linz, Austria report. ...
2009 NOV 24 ... frequencies. We also show that on both stimulating cell activity and inhibiting ion transport mechanisms, there are corresponding changes in the oscillations amplitudes that mirror ...
2009 NOV 25 ... to sulfortation, the films are hydrophobic and exhibit large barriers against ion transport, but sulfortation dramatically reduces the resistance of the films by providing pathways ...
2009 NOV 23 ... understress using molecular dynamics simulation. Specifically, such rechargeable Li-ion battery materials suffer volume changes during charge/discharge cycles as Li Ions are ... deform plastically, resulting In structural collapse of (Li) storage sites and blocked transport pathways; animations revealing elastic and plastic deformation mechanisms under ...
2009 NOV 25 ... voltammetrically using both redox voltammetry at a gel covered electrode and ion transfer voltammetry across the gel/liquid interface (Gel/L). The apparent diffusion ... According to recent research from Manchester, the United Kingdom, "Transport through a polysaccharide gel phase has been investigated voltammetrically using both ...
2009 NOV 24 ... and colleagues published their study in Physical Review Letters (Evidence for Fast-Ion Transport by Microturbulence. Physical Review Letters, 2009;103(17):5001).For ...
2009 NOV 24 ... fluxes, which depended strongly on the electrode's point of zero change, pore width, ion size and cycling conditions ( polarization amplitude, charge/discharge depth and so ... "Fast ionic transport in microporous activated-carbon electrodes is a prerequisite for the effective energy ...
2009 NOV 23 ... reaction coefficient of complementary 20-mer oligonucleotides as a function of sodium ion concentration, which ranged from 0.0048 mol(-1).sec(-1) at 5 mM sodium to 0.42 ... suggesting that our device may provide a useful platform for studying biomolecule transport in nanochannels." Huber and colleagues published their study in Lab On a ...
2009 NOV 23 ... treatment technologies (chemical precipitation, chemical oxidation or reduction, ion exchange...) for removal of heavy metals from aqueous solution are not economical and ... addition, the experimental data were analysed using the Spiegler-Kedem model and the transport parameters, i.e., the reflection coefficient (sigma) and solute permeability (P-s) have ...
