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The two major primary degenerative dementias, dementia of Alzheimer type (DAT) and frontal lobe degeneration of non-Alzheimer type (FLD) have several clinical features in common but also many symptoms that differ. In a clinical material of 80 patients with either of the two forms of dementia (DAT = 39, FLD = 41) we have studied the levels of neuropeptides in the cerebrospinal fluid (CSF) in order
Popular Abstract in Swedish Växters artdiversitet i naturbetesmarker.Effekter av landskapsstruktur och habitathistoria. I min avhandling har jag undersökt växters artdiversitet i fragmenterade naturbetesmarker, av olika ålder och med olika historisk markanvändning. Jag har även undersökt betydelsen av habitatens isolerinsgrad i dagens och i det förflutna landskapet för dagens artdiversitet med häThe thesis examines the impact of present and past landscape structure, habitat history and management on different aspects of present-day plant species diversity in fragmented semi-natural grasslands in Sweden and in Estonia. Species diversity was significantly associated with present and/or past grassland connectivity in the majority of the studies in the thesis. However, relationships between
Some general thoughts on the responsibility of archaeologists when dealing with the past - issues like "debts" to society, search of identities and others.
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Popular Abstract in Swedish Trådlösa system som använder elektromagnetisk strålning, även kallat radio kort och gott, har fått ett enormt genomslag i våra liv. Radio används överallt: telefoni, GPS, mobilt bredband och TV är tillämpningar som vi som privatpersoner lätt kommer i kontakt med men även till radar, magnetisk resonanstomografi och andra avbildande system. Speciellt datakommunikation i mThis thesis investigates the opportunity of wireless multi-gigabit per second communication at the millimeter-wave (mmW) frequencies around 60 GHz by using impulse radio and nanoelectronics. Today most wireless communication take place in the microwave region, where several different systems and applications are crowding the narrow-band channels. Complicated schemes are applied in order to avoid i
This paper presents a high throughput, low latency soft-output signal detector for a 4×4 64-QAM MIMO system. To achieve high data-level parallelism and accurate soft information, the detector adopts a node perturbation technique to generate a list of candidate vectors around Zero Forcing, ZF, result. Additionally a fast and hardware friendly node enumeration scheme is developed to significantly re
