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Från ägarmakt under ansvar till företagsledarmakt. En studie över maktförskjutningen hos tre svenska verkstadsaktiebolag

The dissertation is confined to the formal work of the boards of the parent companies as recorded in the approved minutes of meetings at Alfa Laval AB, Atlas Copco AB and Kockums Mekaniska Verkstads AB and is based on the Companies Law applying in Sweden since 1848. The study covers the time from the establishment of the joint stock company up to the ordinary general meeting of 1980 (1979 in the c

Spelet på fältet: relationen mellan ämnet idrott och hälsa i gymnasieskolan och idrott på fritiden

This study deals with physical education (PE) in secondary school. The purpose of the study is to analyze the relationship between PE in secondary schools and leisure time sports. Questions were directed towards discovering what PE teachers recognise as valuable in their teaching, and how physical education is related to factors that characterize the field of sports. The teaching practice of Physi

Flexible multi electrode brain-machine interface for recording in the cerebellum.

A new type of chip based microelectrode for acute electrophysiological recordings in the CNS has been developed. It's designed to be adaptable to a multitude of specific neuronal environments, in this study the cerebellar cortex of rat and cat. Photolithographically patternened SU-8 is used to yield flexible and biocompatible penetrating shanks with gold leads. Electrodes with an impedance of abou

The Cavitation Phenomenon: A Literature Survey

The meaning of the word cavitation is not known or understandable for many people. The definition which is commonly known about such phenomena is that the formation of cavities or bubbles is encouraged by a pressure change in the surroundings. However, cavitation is much more complex. A large amount of research work and studies on the dynamics of the cavitation phenomenon via numerical investigati

Hydrogenation induced structure and property changes in GdGa

Hydrides GdGaHx were obtained by exposing the Zintl phase GdGa with the CrB structure to a hydrogen atmosphere at pressures from 1.5 to 50 bar and temperatures from 50 to 500 °C. Structural analysis by powder X-ray diffraction suggests that conditions with hydrogen pressures in a range between 15 and 50 bar and temperatures below 500 °C afford a uniform hydride phase with the NdGaH1.66 structure (

Tensile behavior of single-crystal nano-sized copper beams with voids

The tensile response under displacement controlled loading of nano-sized single crystal Cu beams, solid or holding square shaped through-the thickness voids, have been investigated through 3D molecular dynamics simulations using free-ware LAMMPS [1]. For the same beam size and void height, the void width along the beam length axis was varied. Two different crystallographic orientations were consid

Growth rate, transmission mode and virulence in human pathogens

The harm that pathogens cause to hosts during infection, termed virulence, varies across species from negligible to a high likelihood of rapid death. Classic theory for the evolution of virulence is based on a trade-off between pathogen growth, transmission and host survival, which predicts that higher within-host growth causes increased transmission and higher virulence. However, using data from

Introduction to in vivo 31P magnetic resonance spectroscopy of (human) skeletal muscle

31P magnetic resonance spectroscopy (MRS) offers a unique non-invasive window on energy metabolism in skeletal muscle, with possibilities for longitudinal studies and of obtaining important bioenergetic data continuously and with sufficient time resolution during muscle exercise. The present paper provides an introductory overview of the current status of in vivo 31P MRS of skeletal muscle, focusi

In situ time-of-flight neutron imaging of NiO-YSZ anode support reduction under influence of stress

This article reports on in situ macroscopic scale imaging of NiO-YSZ (YSZ is yttria-stabilized zirconia) reduction under applied stress - a phase transition taking place in solid oxide electrochemical cells in a reducing atmosphere of a hydrogen/nitrogen mixture and at operation temperatures of up to 1073K. This process is critical for the performance and lifetime of the cells. Energy-resolved neu

The complement inhibitor factor H generates an anti-inflammatory and tolerogenic state in monocyte-derived dendritic cells

The activation of the complement system is a key initiating step in the protective innate immune-inflammatory response against injury, although it may also cause harm if left unchecked. The structurally related soluble complement inhibitors C4b-binding protein (C4BP) and factor H (FH) exert a tight regulation of the classical/lectin and alternative pathways of complement activation, respectively,

Lower Physical Performance in Colder Seasons and Colder Houses : Evidence from a Field Study on Older People Living in the Community

The aim of this paper was to explore the effect of seasonal temperature differences and cold indoor environment in winter on the physical performance of older people living in the community based on a field study. We recruited 162 home-dwelling older people from a rehabilitation facility in the Osaka prefecture, Japan; physical performance data were available from 98/162 (60.5%). At the same time,

Improved Housing Accessibility for Older People in Sweden and Germany : Short Term Costs and Long-Term Gains

The physical housing environment is important to facilitate activities of daily living (ADL) for older people. A hindering environment may lead to ADL dependence and thus increase the need for home services, which is individually restricting and a growing societal burden. This study presents simulations of policy changes with regard to housing accessibility that estimates the potential impact spec

Uropathogenic Escherichia coli strain CFT073 disrupts NLRP3 inflammasome activation

Successful bacterial pathogens produce an array of virulence factors that allow subversion of the immune system and persistence within the host. For example, uropathogenic Escherichia coli strains, such as CFT073, express Toll/IL-1 receptor-containing (TIR-containing) protein C (TcpC), which impairs TLR signaling, thereby suppressing innate immunity in the urinary tract and enhancing persistence i