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together: porous media and nanofluids. This article aims to summarize the published articles in respect to porosity …, permeability (K) and inertia coefficient (Cf) and effective thermal conductivity (keff) for porous media, also on the …
Persistent link: https://www.econbiz.de/10011077273
channels into account. The results are used to calculate the permeability (K) from an equivalent channel model. Variation of σ … and K with porosity are compared with geological field data. The agreement is quite satisfactory. …
Persistent link: https://www.econbiz.de/10011057284
Mathematical models of skin permeability play an important role in various ?elds including prediction of transdermal … last several decades to yield predictions of skin permeability to various molecules. These efforts include the development … of empirical approaches such as quantitative structure?permeability relationships and porous pathway theories as well as …
Persistent link: https://www.econbiz.de/10009481306
estimate the permeability of coal sample. The pore size distribution, porosity, and permeability of coal before and after …The method of improving permeability of coal seams by freeze-fracturing is presented to accelerate the diffusion of … nuclear magnetic resonance (NMR) and scanning electron microscopy (SEM), and a permeability-calculation model was employed to …
Persistent link: https://www.econbiz.de/10012652419
enable permeability of vocational education credentials, one of the features of a robust apprenticeship system. Second, they …
Persistent link: https://www.econbiz.de/10014316045
Persistent link: https://www.econbiz.de/10011286588
Persistent link: https://www.econbiz.de/10013162929
estimate the permeability of coal sample. The pore size distribution, porosity, and permeability of coal before and after …The method of improving permeability of coal seams by freeze-fracturing is presented to accelerate the diffusion of … nuclear magnetic resonance (NMR) and scanning electron microscopy (SEM), and a permeability-calculation model was employed to …
Persistent link: https://www.econbiz.de/10012195422
Persistent link: https://www.econbiz.de/10012154366
Persistent link: https://www.econbiz.de/10012040617