Concept

Porous medium

Related publications (248)

Dynamic Nuclear Polarization Surface Enhanced NMR Spectroscopy

David Lyndon Emsley, Aaron James Rossini, Moreno Lelli

Many of the functions and applications of advanced materials result from their interfacial structures and properties. However, the difficulty in characterizing the surface structure of these materials at an atomic level can often slow their further develop ...

AMER CHEMICAL SOC2013

Contribution of Stern layer and membrane polarization to spectral induced polarization of variably saturated sandy soils

Alessandro Brovelli

Spectral induced polarization is receiving increasing attention as a tool to map subsurface properties in a non-invasive manner. Although empirical correlations have been devised to link measurements to porous medium properties, such as the time constant o ...

2012

Cement distribution in vertebroplasties: imaging and simulation

Vincent Stadelmann

Prophylactic vertebroplasty, the percutaneous injection of bone cement into a weak vertebral body (VB), has been shown to reinforce the bone and possibly to minimize fracture risks. Cement leakage is still a common occurrence that can cause severe complica ...

2012

Modelling migration and dissolution of mineral particles in saturated porous media

David Andrew Barry, Christof Holliger, Alessandro Brovelli, Elsa Marina Lacroix

Understanding and predicting the fate in soils and other porous media of solid mineral particles with grain diameters in the micrometer range is important in a number of environmental and civil engineering applications, including subsurface hydrology, wast ...

2012

Porous metal article and method of producing a porous metal article

Andreas Mortensen

A process for producing a metal article containing at least 10% interconnected porosity, using a preform (11), comprising: mixing an organic binder, a wetting agent and a granular material, to obtain a mouldable paste that combines 10 vol. pct. or more of ...

2012

Functionalization of microstructured open-porous bio-ceramic scaffolds with human fetal cells

Sandrine Gerber, Corinne Scaletta, Françoise Borcard

Bone substitute materials allowing trans-scaffold migration and in-scaffold survival of human bone-derived cells are mandatory for development of cell-engineered permanent implants to repair bone defects. In this study, we evaluated the influence on human ...

American Chemical Society2012

Multiphysical Modelling of Soils with a Focus on Microbially Induced Calcite Precipitation

In recent years, the complexity of geomechanical problems has greatly increased as a result of the demand for new and intricate types of applications. Experimental characterization and numerical prediction by means of multiphysical approaches are in that c ...

EPFL2012

Carbon monoxide as a tracer of gas transport in snow and other natural porous media

Wolf Hendrik Huwald, Marc Parlange, Marc Calaf Bracons, Nicolaas Cornelis van de Giesen, Scott W. Tyler

The movement of air in natural porous media is complex and challenging to measure. Yet gas transport has important implications, for instance, for the evolution of the seasonal snow cover and for water vapor transport in soil. A novel in situ multi-sensor ...

American Geophysical Union2012

A bio-chemo-hydro-mechanical model for microbially induced calcite precipitation in soils

Lyesse Laloui

Microbial Induced Calcite Precipitation (MICP) is an innovative technique for soil grouting involving a bacterial reactive grout. A comprehensive research work is carried out to better understand and consequently describe the phenomenon of multispecies rea ...

Elsevier Sci Ltd2012

CO2 separation properties of cation-exchanged zeolites investigated by neutron diffraction

Wendy Lee Queen

Zeolites are one class of porous materials that are currently being explored for sepn. applications in the aim of reducing environmentally harmful carbon dioxide (CO2) from the combustion of fossil fuels. The several archetypical zeolites being employed or ...

American Chemical Society2012

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