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Manganese oxides are attracting great interest owing to their rich polymorphism and multiple valent states, which give rise to a wide range of applications in catalysis, capacitors, ion batteries, and so forth. Most of their functionalities are connected t ...
We study the dependence of the electrical conductivity on the gold concentration of Au-implanted polymethylmethacrylate (PMMA) and alumina nanocomposite thin films. For Au contents larger than a critical concentration, the conductivity of Au-PMMA and Au-al ...
Convertir un tunnel de métro en source d'énergie géothermique, c'est la solution imaginée par des chercheurs de l'Ecole polytechnique fédérale de Lausanne (EPFL). Ils sont parvenus à quantifier les échanges de chaleur dans un tunnel et ont estimé l'économi ...
Les géostructures énergétiques sont en pleine expansion dans le monde entier. Elles représentent une source d’énergie propre et renouvelable qui peut être utilisée pour le chauffage et la climatisation des bâtiments ainsi que pour le contrôle de la tempéra ...
Shallow geothermal power represents an important energy resource for the heating and cooling of the buildings. Due to relatively low temperature levels encountered at shallow depths in the soil, between 10°C and 20°C, heat pumps are required to process the ...
Swiss Association of Road and Transportation Experts2013
Two of four headrace tunnels in the Jinping II hydropower project were constructed using tunnel boring machines (TMBs). The geology along the tunnel alignment is dominantly massive to highly fractured marble and the maximum overburden depth is 2,525 m. The ...
The reliability by which molecular motor proteins convert undirected energy input into directed motion or transport has inspired the design of innumerable artificial molecular motors. We have realized and investigated an artificial molecular motor applying ...
Experimental tests were conducted to characterise the hydro-mechanical behaviour of shot-clay MX-80 bentonite. Granular bentonite was mixed continuously with water and shot on the walls of a tunnel section at the Grimsel Underground Research Laboratory (UR ...
This study presents the results of an experimental study conducted to characterise the hydro-mechanical behaviour of shot-clay MX-80 bentonite. In the shot-clay process, granular bentonite was mixed continuously with water and shot on the walls of a tunnel ...
The objective of this scientific paper is to present the m3 metro project, in particular the Casernes-Blécherette section. The article is a summary of the final project development based on the technical report [1]. It includes the geological and hydrogeol ...