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Solid Oxide Fuel Cell Material Structure Grading in the Direction Normal to the Electrode/Electrolyte Interface using COMSOL Multiphysics

Fuel cells (FCs) are promising as an energy producing device, which at this stage of development will require extensive analysis and benefit from numerical modeling at different time- and length scales. COMSOL Multiphysics is used to describe an intermediate temperature solid oxide fuel cell (SOFC). Governing equations for heat, gas-phase species, electron, ion and momentum transport are implement

Analysis of Structural Glass Panels under Impact Loading using Operational Modal Analysis

The latest technology and architectural trends have significantly improved the use of a large variety of glass products in construction which, in function of their own characteristics, allow to design and calculate structural glass elements under safety conditions. Both monolithic as well as laminated glass can be used for these proposals. In the case of laminated elements interlayers of polymers

Mutblickens medierättegångar - skandalernas offer

Skandaler genererar ett intensivt moraliskt indignerat socialt klimat. Inte sällan innefattar skandalerna en form av medierättegångar, vilket korrigerar Foucaults teser om det dolda straffet. För de anklagade, som uppfattar sig som orättvist utpekade, kan konsekvenserna bli drastiska, samtidigt som de har svårt att återupprätta sitt anseende. I denna artikel diskuteras sådana "skandaloffers" kamp.

Attraction modulated by spacing of pheromone components and anti-attractants in a bark beetle and a moth

Orientation for insects in olfactory landscapes with high semiochemical diversity may be a challenging task. The partitioning of odor plumes into filaments that are interspersed with pockets of ‘clean air’ may help filament discrimination and upwind flight to attractive sources in the face of inhibitory signals. We studied the effect of distance between odor sources on trap catches of the beetle,

The year in osteoporosis Volume I

Drawing on the expertise of a distinguished international team, this book contains 200 recent papers in the peer-reviewed literature that will affect the practice of physicians managing osteoporotic patients. Each paper is summarized, reviewed, and placed in clinical context. Coverage includes the underlying causes of osteoporosis and the latest differing views on prevention and non-pharmacologica

The surface complex of Euglena gracilis. Involvement in cellular movements and biochemical and molecular analyses of the components

The flagellate Euglena gracilis shows rhythms in phototaxis and cell shape changes between oblong and round. Artificial UV-B radiation of 0.5 W m-2 caused a loss in phototaxis, but the peak of activity occurred at the same time as for control cells. The transition from round to oblong cell shape was slower after UV-B radiation, but the amplitude between the roundest and the most oblong cell shape