نتایج جستجو برای: water permeability test
تعداد نتایج: 1368086 فیلتر نتایج به سال:
Introduction: Considering the increasing population and the growing need for food and drinking water, it is essential to explore and understand the factors of crop production, especially water resources. Today, the removal of undiluted water from underground water sources has produced qualitative issues, in addition to a few shortcomings. These issues are more significant in arid and semi-arid ...
In this study, we analyze the effects of membrane properties, namely water permeability, solute permeability, and structural parameter, on the overall performance of an FO membrane module to extract water from simulated seawater (0.6 M NaCl). By considering the thermodynamic limit of operation, we demonstrate that the maximum achievable water recovery is practically independent of membrane prop...
SPE 90233 Experimental Study of Phase Transformation Effects on Relative Permeabilities in Fractures
Phase transformation affects multiphase flow in geothermal and gas-condensate reservoirs due to the same substance occurring in different phases. These effects change the phase behavior and the flow characteristics. The goals of this research were to compare the flow behavior and relative permeabilities difference between two-phase flow with and without phase transformation effects in smooth-wa...
Western hemlock (Tsuga heterophylla) is a prevalent coastal species in British Columbia (BC). Its wood has high potential for thermal modification, process that can affect numerous physical properties, including air permeability. The current study investigates the longitudinal permeability of modified at three temperature levels, 170 °C, 212 and 230 two-hour treatment length. Permeability value...
Adding surfactant into the displacing aqueous phase during surfactant-enhanced aquifer remediation of NAPL contamination and in chemical flooding oil recovery significantly changes interfacial tension (IFT) (σ) on water–oil interfaces within porous media. The change in IFT may have a large impact on relative permeability for the two-phase flow system. In most subsurface flow investigations, how...
Nystatin and amphotericin B increase the permeability of thin (<100 A) lipid membranes to ions, water, and nonelectrolytes. Water and nonelectrolyte permeability increase linearly with membrane conductance (i.e., ion permeability). In the unmodified membrane, the osmotic permeability coefficient, P(f), is equal to the tagged water permeability coefficient, (P(d))(w); in the nystatin- or amphote...
10. Atkinson AJ Jr, Strong JM: Effect of drug metabolites on plasma level-response correlations. J Pharmacokinet Biopharm 5: 95-109, 1977 Beller GA, Smith TW, Hood WB: Altered distribution of tritiated digoxin in the infarcted canine left ventricle. Circulation 46: 572-579, 1972 Strauss HC, Bache RJ, Masterton CE, Abou-Donia MB, McHale PA, Menzel DB: Radiochemical determination of C-labeled pro...
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