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Thermodynamical approach for Camclay-familly models with Roscoe-type dilatancy rules

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SPM Measurements of Hydrophobic Interactions

Jürgen Brugger, Alcherio Martinoli, Rosario Maurizio Gullo, Loïc Jacot-Descombes, Grégory Mermoud, Joo Yeon Kim

This poster presents the measurement of the forces involved in the hydrophobic self assembly process. More precisely the objects of interest are hydrophilic semi spheres with a gold layer on the flat side. The gold layer has been coated with dodeca thiols ...

2010

Biothermodynamics of live cells: a tool for biotechnology and biochemical engineering

Urs von Stockar

The aim of this contribution is to review the application of thermodynamics to live cultures of microbial and other cells and to explore to what extent this may be put to practical use. A major focus is on energy dissipation effects in industrially relevan ...

De Gruyter2010

Friction force: from mechanics to thermodynamics

Christian Gruber, Christian Ferrari

We study some mechanical problems in which a friction force is acting on a system. Using the fundamental concepts of state, time evolution and energy conservation, we explain how to extend Newtonian mechanics to thermodynamics. We arrive at the two laws of ...

2010

Thermodynamic assessment of the Cu-Ge binary system

Jian Wang, Christian Leinenbach, Alain Jacot, Shan Jin

The Cu-Ge binary system was assessed thermodynamically using the CALPHAD method through Thermocalc (R) software package based on the evaluation of all available experimental data from the published literature. The solution phases, including liquid, fcc, hc ...

Elsevier2010

Adsorption and strain: The CO2-induced swelling of coal

Brice Tanguy Alphonse Lecampion

Enhanced coal bed methane recovery (ECBM) consists in injecting carbon dioxide in coal bed methane reservoirs in order to facilitate the recovery of the methane. The injected carbon dioxide gets adsorbed at the surface of the coal pores, which causes the c ...

2010

Spintronics: Conceptual Building Blocks

Jean-Philippe Ansermet

The purpose of this introduction to spintronics is to provide some elementary description of its conceptual building blocks. Thus, it is intended for a newcomer to the field. After recalling rudimentary descriptions of spin precession and spin relaxation, ...

Springer-Verlag New York, Ms Ingrid Cunningham, 175 Fifth Ave, New York, Ny 10010 Usa2010

Thermodynamic Analysis of Biodegradation Pathways

Vassily Hatzimanikatis, Stacey Deleria Finley

Microorganisms provide a wealth of bio-degradative potential in the reduction and elimination of xenobiotic compounds in the environment. One useful metric to evaluate potential biodegradation pathways is thermodynamic feasibility. However, experimental da ...

2009

Granular Thermodynamics

Pedro Miguel Nunes Pereira de Almeida Reis

We present experimental evidence for a strong analogy between quasi‐2D uniform non‐equilibrium steady states (NESS) of excited granular materials and equilibrium thermodynamics. Under isochoric conditions we find that the structure of granular NESS, as mea ...

AIP2009

A theoretical study of disorder and decomposition in multinary nitrides hard coatings materials

Björn Alling

The development of multinary nitrides materials has revolutionised the hard coatings industry over the last 20 years. Especially important materials systems in this matter have been TiAlN and CrAlN which shows higher hardness, better oxidation resistance a ...

EPFL2009

Modeling of amino acid nanofiltration by irreversible thermodynamics

Starting from the classical Kedem-Katchalsky model for filtration through membranes, we derive an equation to compute the permeate flux and the rejection of diprotic amino acid compounds. We discuss the influence of the pH, the viscosity and the feed conce ...

2009