Avancerad sökning
Visar resultat 11 - 15 av 126 avhandlingar som matchar ovanstående sökkriterier.
11. Arc Evaporated Titanium Carbonitride Coatings
Sammanfattning : TiCxN1-x thin films is an important group of coatings for enhancing wear-resistance of, e.g., tools for metal cutting. The influence of microstructure, composition, and residual stress state, on the mechanical properties of such films, have been investigated. LÄS MER
12. Fibre flocculation during twin-wire roll forming
Sammanfattning : At the division of Paper Technology a forming unitconsisting of headbox, forming roll unit and reservoir systemfor suspension recirculation has been constructed, with themain purpose to experimentally study the paper forming event byvisually following the fibre flow phenomena in the formingzone.The effect of various running parameters upon the pressuredistribution, which is in correlation to the flow phenomenaoccuring during forming, has been studied with a flush mountedpressure sensor. LÄS MER
13. Polyethylene/metal oxide nanocomposites for electrical insulation in future HVDC-cables : probing properties from nano to macro
Sammanfattning : Nanocomposites of polyethylene and metal oxide nanoparticles have shown to be a feasible approachto the next generation of insulation in high voltage direct current cables. In order to reach an operationvoltage of 1 MV new insulation materials with reduced conductivity and increased breakdown strengthas compared to modern low-density polyethylene (LDPE) is needed. LÄS MER
14. Physical and morphological aspects of linseed oil impregnated pine (Pinus Sylvestris)
Sammanfattning : This work has investigated the possibilities of increasing wood durability using environmentally friendly chemicals. The chemical used in this study was linseed oil. The study also investigated flow paths during impregnation in pine and spruce. LÄS MER
15. Nocturia in the elderly. Aspects on epidemiology, pathogenesis, and antidiuretic treatment
Sammanfattning : Analysis of nocturia questionnaires mailed to all persons aged 65 years or more in Tierp, a Swedish rural community, showed that the number of nocturnal voids was highly correlated with urge and incontinence. No correlation between nocturia and a known and treated hypertension, angina, congestive heart failure or diabetes mellitus was detected. LÄS MER