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Until recently, the only way to describe microbial communities was by cultivation. This is a major obstacle because typically only a small fraction of the microbes can be cultivated by standard techniques. However, the use of rRNA and molecular phylogenetic techniques has allowed us to bypass this limitation. In this thesis, both of these approaches were used to describe the bacterial diversity o
The basic idea behind the present work is that an atom is not a linear perturbation of the electron gas. We have thus analyzed the exchange energy of the inhomogeneous electron gas to third order in the deviation from a constant density. We give the symmetry properties obeyed by the corresponding second-order response function Lx, and demonstrate how Lx gives rise to gradient corrections to the ex
Popular Abstract in Swedish Länge trodde man att mikroorganismer spreds obehindrat på grund av deras ringa storlek och höga celltäthet. Eftersom de är väldigt små kan de lätt transporteras i vattendroppar med hjälp av vinden eller genom att fästa vid andra organismer så som fåglar och insekter. Endast miljöförhållanden som gynnade särskilda mikrober troddes påverka arters spridning och organismsamFor a long time microorganisms were assumed to have unlimited dispersal due to their small size and high cell numbers. Most microbial species can be transported by water currents, in water droplets by wind and attached to other organisms. Environmental conditions alone were supposed to affect the distribution of species and the community composition. Therefore, microorganisms were assumed to consi
Multimodal transportation in the European continent is an integral part of cross border trade and in particular the use of sea and river carriers. The phenomenon of short sea shipping has reached a level of importance of which all European states must take cognisance. One of the policies associated with this issue is the development of the motorways of the sea. While Ukraine is not yet a part of t
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Du får lära dig att leva med värken, smärtan och tröttheten, är det besked som många långtidssjukskrivna får. Sällan får de reda på hur det ska gå till. Rehabilitering handlar om hur en människa lär sig nya sätt att tänka, känna och bete sig med sikte på förbättrad funktion och hälsa. Företrädare för alla discipliner hjälper människor med funktionshinder att bli mindre handikappade och mer arbetsf
Popular Abstract in Swedish Radiojodbehandling av sköldkörteln är den vanligaste radiofarmakaterapin. För att beräkna aktiviteten 131I som krävs för att ge en viss stråldos till sköldkörteln behöver sköldkörtelns massa och den individuella biokinetiken bestämmas. Biokinetiken består vanligtvis av det individuella upptaget av jodid och den biologiska halveringstiden av jod i sköldkörteln. Den bioloRadioiodine therapy of hyperthyroidism is the most frequently performed radiopharmaceutical therapy. To calculate the activity of 131-I to be administered for giving a certain absorbed dose to the thyroid, the mass of the thyroid and the individual biokinetic data, normally in the form of uptake and biologic half-time, have to be determined. The biologic half-time is estimated from several uptake
Popular Abstract in Swedish Knäledssmärtor och knäledsartros: kliniska, röntgenologiska och biokemiska undersökningar under tidig artrosutveckling Långdragna knäsmärtor (dagligen i mer än 3 månader) förekommer hos 15 % av personer i åldern 35-54 år. Det visar vår undersökning av befolkningen i Laholms kommun i sydvästra Sverige. En orsak till långdragna knäsmärtor kan vara artros (s.k. broskförThe aim of this project was to study clinical, radiographical and biochemical features of developing, symptomatic knee osteoarthritis (OA) prospectively in individuals aged 35-54 from the general population. A questionnaire to a random sample of 2 000 individuals in the district of Laholm, Sweden, identified 279 individuals (15% of the population) with chronic (>3 months) knee pain. Of these, 204
Robots used in manufacturing today are tailored to their tasks by system integration based on expert knowledge concerning both production and machine control. For upcoming new generations of even more flexible robot solutions, in applications such as dexterous assembly, the robot setup and programming gets even more challenging. Reuse of solutions in terms of parameters, controls, process tuning,
