[1] A simple bundle of capillary tubes model has been used to investigate electrokinetic coupling during the flow of water and an immiscible second phase such as air or oil. It is shown that the total electrokinetic coupling is the sum of the individual phase contributions. The electrokinetic coupling depends on the capillary size distribution and wettability. When water is the wetting phase an...

A fundamental variable characterizing immiscible two-phase flow in porous media is the wetting saturation, which ratio between pore volume filled with fluid and total volume. More generally, this comes from a specific choice of coordinates on some underlying space, domain variables that can be used to express volumetric rate. The mathematical structure allows for introduction other containing s...

In this research effect of synthesis method of magnesium aluminate as support of Ni catalysts at the reverse water gas shift (RWGS) reaction was evaluated. The RWGS reaction is applied in Carbon Dioxide Hydrogenation to Form Methanol via a Reverse Water-Gas Shift Reaction (CAMERE) process for the transformation of CO2 into methanol. The MgAl2O4 supports were prepared by sol-gel (M1), surfactant...

although some 3d slope stability algorithms have been proposed in recent three decades, still role of pore pressures in three dimensional slope stability analyses and considering the effects of pore water pressure in 3d slope stability studies needs to be investigated. in this paper, a limit analysis formulation for investigation of role of the pore water pressure in three dimensional slope sta...

Mutations at critical residue positions in transmembrane span 7 (TM7) of the serotonin transporter affect the Na(+) dependence of transport. It was possible that these residues, which form a stripe along one side of the predicted alpha-helix, formed part of a water-filled pore for Na(+). We tested whether cysteine substitutions in TM7 were accessible to hydrophilic, membrane-impermeant methanet...

Mutations at critical residue positions in transmembrane span 7 (TM7) of the serotonin transporter affect the Na dependence of transport. It was possible that these residues, which form a stripe along one side of the predicted a-helix, formed part of a water-filled pore for Na. We tested whether cysteine substitutions in TM7 were accessible to hydrophilic, membrane-impermeant methanethiosulfona...

The aim of this study is to analyze the effects of forest gaps on the variations of soil properties in Castanopsis kawakamii natural forest. Soil physical and chemical properties in various sizes and development stages were studied in C. kawakamii natural forest gaps. The results showed that forest gaps in various sizes and development stages could improve soil pore space structure and water ch...

Water adsorption isotherms are calculated by grand canonical Monte Carlo simulations for the SPC/E water model in carbon nanopores at 298K. The pores are of slit or cylindrical morphology. Carbon-slit pores are of widths 0.8, 1.0 and 1.6 nm. The simulated single-walled carbon nanotubes are of 1.4 and 2.7 nm diameter ((10:10) and (20:20) respectively). In all cases considered, the adsorption iso...