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Agency: Cordis | Branch: FP7 | Program: MC-ITN | Phase: FP7-PEOPLE-2013-ITN | Award Amount: 3.91M | Year: 2014

Static and dynamic wetting of solid surfaces by liquids is a focus of numerous theoretical, computational and experimental investigations. Most of the research and training activities are focused on the wetting of simple solids by one-component liquids. However, a wide variety of industrial processes mostly include wetting/spreading of complex multiphase liquids over heterogeneous, structured or (nano)porous solids. The latter include deposition of active substances from foams and nanoemulsions on human hair and skin and deposition of functional nanoparticles on textile fibers and flexible polymer films. The mechanisms of those complex fluid-solid processes are to be understood. The development and optimization of the industrial processes and products is based on purely empirical trial and error methods. CoWet supra-disciplinary project is aimed at bridging the gap between the industrially relevant processes involving the complex fluid-solid processes, from one side, and the high resolution experiment, as well as physically sound modelling and direct computer simulations, from the other side. The high-resolution, high-speed experimental techniques, including confocal microscopy, atomic force microscopy and fluorescent correlation spectroscopy, will be used to reveal the nano- and microscopic phenomena governing the complex fluid-solid interactions in the course of wetting/spreading processes of complex liquids over complex substrates. The modern computational and modelling techniques will help to reveal, predict and optimize the industry-relevant processes. The young researchers will be trained to study the systems of practical importance rather than focusing on model systems only. They learn the cutting edge scientific methodology and application technology from an industrial perspective. CoWet fellows will form a powerful network of experts which will eventually result in ground-breaking development of new complex fluid-solid technological processes.

A review, with 127 refs., of com. and synthetic resins and fibers with dithizone, thiol, (iso) thiourea, guanidine, thio-semicarbazide, dithiocarbamide, phosphonic, piperazine, imidazole, pyridine, hydrazone, hydrȧzide, formazane, amine and quaternary ammonium functional groups or macrocyclic ligands used for sepn. of Pd and other noble metals from aq. solns. Source

Roca-Maza X.,University of Barcelona | Roca-Maza X.,National Institute of Nuclear Physics, Italy | Centelles M.,University of Barcelona | Vinas X.,University of Barcelona | Warda M.,University Marii Curie Sklodowskiej
Physical Review Letters | Year: 2011

A precise determination of the neutron skin Δrnp of a heavy nucleus sets a basic constraint on the nuclear symmetry energy (Δrnp is the difference of the neutron and proton rms radii of the nucleus). The parity radius experiment (PREX) may achieve it by electroweak parity-violating electron scattering (PVES) on Pb208. We investigate PVES in nuclear mean field approach to allow the accurate extraction of Δr np of Pb208 from the parity-violating asymmetry APV probed in the experiment. We demonstrate a high linear correlation between A PV and Δrnp in successful mean field forces as the best means to constrain the neutron skin of Pb208 from PREX, without assumptions on the neutron density shape. Continuation of the experiment with higher precision in APV is motivated since the present method can support it to constrain the density slope of the nuclear symmetry energy to new accuracy. © 2011 American Physical Society. Source

Zagorski P.,University Marii Curie Sklodowskiej
Polish Polar Research | Year: 2011

A 6 km long stretch of the coast of Calypsostranda between Skilvika and Joseph-bukta, situated on the western side of Recherchefjorden, was investigated. It is made of an accumulative marine terrace at a height of 2-8 m a.s.l. (terrace 1) and width of 40-180 m, divided by a cliffed section in the frontal moraines of Renardbreen. From the character and intensity of changes, the area was divided into 6 zones. The aim was to analyse the dynamics of changes within coastal zone from 1936 to 2007 and to characterise the influence of various morphogenetic factors (marine, fluvial, cryospheric). The important element of this study has been to determine sources and directions of sediment transport. The dynamics of changes of coastal zone in the Calypsostranda region was established from archival maps and precise GPS measurements for the periods: 1936-1960, 1960-1990, 1990-2000, 2000-2005, 2005-2006, 2006-2007. Comparing the extension of shoreline between 1936 and 2007 showed that there was more erosion than accumulation. Nearly 110 000 m2 of the area of terrace 1 decreased, whereas about 77 000 m2 appeared. The net balance for 1936-2007 was about -32 700 m2, on average over the whole length of the shoreline, it retreated by 5.7 m (0.08 m a-1). The cease of sediment delivery in the extramarginal sandur fans area of Renardbreen caused intensification of marine processes, that made the shoreline retreat by over 100 m. Continuing sediment delivery from the Scottelva catchment, with contribution of material from erosion of the north end of the shoreline studies, caused the aggradation of coastal zone by over 60 m near its mouth. Source

Warda M.,University Marii Curie Sklodowskiej | Egido J.L.,Autonomous University of Madrid
Physical Review C - Nuclear Physics | Year: 2012

A systematic study of 160 heavy and superheavy nuclei is performed in the Hartree-Fock-Bogoliubov (HFB) approach with the finite-range and density-dependent Gogny force with the D1S parameter set. We show calculations in several approximations: with axially symmetric and reflection-symmetric wave functions, with axially symmetric and non-reflection-symmetric wave functions, and finally with some representative triaxial wave functions. Relevant properties of the ground state and along the fission path are thoroughly analyzed. Fission barriers, Q α factors, and lifetimes with respect to fission and α decay as well as other observables are discussed. Larger configuration spaces and more general HFB wave functions as compared to previous studies provide a very good agreement with the experimental data. © 2012 American Physical Society. Source

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