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Evaluation of high temperature membrane electrode assemblies based on sulfonated polysulfones

In the development and evaluation of alternative ionomers, the membrane development and ex situ characterization have been the focus of interest. The properties of a MEA are dependent on the composition of materials in the components, i.e. membrane, electrodes and gas diffusion layers, and the interaction between these parts. The complexity of water transport in different components is one example

Macrophages, Nitric oxide synthases and Heme oxygenases: possible roles during peripheral nerve regeneration

Popular Abstract in Swedish Syftet med den här studien var att undersöka det strukturella underlaget för förslagen att makrofager och gaserna kvävemonooxid (NO) och kolmonoxid (CO), som bildas av kvävemonooxidsyntaser (NOS) respektive hemeoxygenaser (HO), är viktiga för att en perifer nerv ska regenerera. Det finns stöd för dessa hypoteser eftersom andra har visat att förhållanden som stör den invThe purpose of this study was to investigate the suggestions that macrophages, and the systems generating nitric oxide (NO) and carbon monoxide (CO), i.e. nitric oxide synthases (NOS) and heme oxygenases (HO), could be important for peripheral nerve regeneration. Immunocytochemistry was used to visualise invading and resident macrophages, inducible NOS (iNOS), two isoforms of HO (HO-1 and HO-2),

Theory of practice and archaeology of culture contact: case study of early medieval Bornholm

In present study I am investigating situation of culture contact between inhabitants of early medieval island of Bornholm and Western Slavic (Wendish) immigrants to the island. I am arguing for a possibility of existence of different goals and networks among both immigrants and local population. Such circumstances lead to differences in practice and to understand how practice is constituted and to

Hur formades de svenska tjänstemännens organisationsmönster?

Artikeln söker förklara varför de svenska tjänstemännen organiserade sig i egna fackförbund och centralorganisationer (Sverige har världes mest socialt segregerade fackliga rörelse genom uppdelning på särskilda fackföreningar för arbetare, akademiker och övriga tjänstemän)

Partial task assignment of task graphs under heterogeneous resource constraints

This paper presents a novel partial assignment technique (PAT) that decides which tasks should be assigned to the same resource without explicitly defining assignment of these tasks to a particular resource. Our method simplifies the assignment and scheduling steps while imposing a small or no penalty on the final solution quality. This technique is specially suited for problems which have differe

The Forest and the Trees: Industrialization, Demographic Change, and the Ongoing Gender Revolution in Sweden and the United States, 1870-2010

This paper examines the major trends unravelling the long-term gender division of family support and care structure that reached its peak in the middle of the twentieth century, often called the “worker-carer” or the “separate spheres” model. The unraveling of the “separate spheres” began with the increase in the labor force participation of married women and continues with the increase in men’s i

Statistical evaluation of outdoor-to-indoor office MIMO measurements at 5.2 GHz

In this paper, we present a statistical evaluation of an outdoor-to-indoor multiple-input multiple-output (MIMO) measurement campaign performed at 5.2 GHz. 159 measurement locations in an office building are analyzed. Our analysis pays special attention to two key assumptions that are widely used in stochastic channel models. An assumption that is used in practically every channel model is that th

Structural behavior of Dy-157,Dy-158,Dy-159 in the I=30-50h spin regime

Significant extensions to the high-spin excitation spectrum of the N = 91, 92, 93 isotopes Dy-157,Dy-158,Dy-159 have been achieved using the high-efficiency gamma-ray spectrometers Euroball and Gammasphere. These nuclei were populated via weak 3n or alpha xn exit channels in fusion evaporation reactions. In Dy-157, the yrast band has been extended to I-pi = (2)/(101+) (tentatively to (2)/(105+)) w