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Popular Abstract in Swedish En anledning till att nya växtarter uppkommer är att närbesläktade arter korsar sig med varandra. Detta har skett i alla tider. Hybridisering (korsning) mellan arter kan utöver skapande av nya arter även medföra att mindre vanliga, kanske endemiska, arter inte överlever (en endem = en art som endast finns i ett mycket begränsat geografiskt område). Detta beror på genetiIn the present thesis, I investigated the inter- and intraspecific variation in the Silene vulgaris/uniflora species-complex (the bladder campions). I have focused on the effects of past and present hybridization both on a large scale ? over the whole of Europe ? and on a local scale. Silene vulgaris and S. uniflora are perennial herbs and they are interfertile. The results from my studies sugges

I syfte att väcka intresse för kemi och kemi/bioteknik sjösatte vi 2007 den kemiska julkalendern – en satsning riktad mot mellan- och högstadiet – där spektakulära experiment intar huvudrollen. Den kemiska julkalendern hade sin hemvist på LTH’s hemsida och en ny lucka kunde öppnas varje dag fram till julafton. Bakom varje lucka fanns en kort filmsnutt med ett kemirelaterat experiment, följt av en

Historical demography, which is the study of human population dynamics in the past, is central for understanding human behaviours and traits, such as fertility, mortality and migration. An important factor in demographic research is the geographic context. Where people lived often determined their social ties, exposure to diseases and economic development. Such information is essential not only fo

Popular Abstract in Swedish Växter får energi att växa till och fortplanta sig genom fotosyntes och cellandning. Vid fotosyntesen använder växterna ljusenergin från solen medan vid cellandningen kolföreningar bryts ner för att frigöra den energi som behövs till olika kemiska processerna i cellen. Enzymer är proteiner som katalyserar dessa kemiska processer. För att omvandla ett utgångsämne (t ex sMost cells are crowded with solutes, enzymes, nucleic acids, structural proteins and membranes. Crowding promotes macromolecular interactions and determines major properties of the cellular environment such as viscosity, diffusion and inhomogeneity. Macromolecular interactions that involve enzymes can affect the kinetic and regulatory properties of these, hence the interactions are part of the met

This paper presents the application of several optical measurement techniques for the characterization of the combustion behavior of the pilot burner of a gas turbine combustor developed according to the lean premixed prevaporized (LPP) concept. The vaporization of the kerosene fuel (Jet-A) and its consequent mixing with air has been visualized using combined Laser-Induced Fluorescence (LIF) and M

This thesis is a study of landownership that took place in Scania in southern Sweden in the 1860s. Basically it was a conflict between an alliance of tenant farmers and rural poor against estate owners in a time of agrarian change, a time characterized by mass evections of tenants and increasing proletarization. The participants of the movement, led by the self-taught lawyer Samuel Tullberg, claim

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This thesis is divided in two parts, one that deals with the development of the new data acquisition system at Lund Nuclear Microprobe, and a second part that deals with different applications. A CAMAC based data acquisition system has been installed at the Lund Nuclear Microprobe facility. The system is a true multi-parameter and multi-detector system with fast FERA bus readout and in crate memor

Due to the increasing usage of embedded instruments in many electronic devices, new solutions to effectively access these instruments appeared, including the new IEEE 1687 standard. The approach supported by IEEE 1687 allows a flexible access to embedded instruments through the Boundary Scan interface. The IEEE 1687 network includes a set of reconfigurable scan chains. This paper addresses the iss