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Agnostids afford the best means of correlating Cambrian strata, and they are widely used for intercontinental correlations. They are most common in open-marine deposits and reached a maximum diversity during the Middle and early Late Cambrian. About twenty species of agnostids are known from the Upper Cambrian of Scandinavia. Lotagnostus? mystacinus Tjernvik, 1953 is a rare agnostid from the Upper
Popular Abstract in Swedish Denna avhandling är resultatet av ett doktorandprojekt vid Kvartärgeologiska avdelningen, Lunds Universitet. Syftet med undersökningen var att rekonstruera vegetations- och klimatförändringar under de senaste 10 000 åren i Torneträskområdet i norra Sverige. Resultatet bygger på analyser av pollen och växtmakrofossil från 6 sjöar belägna på olika höjd över havet (370-999The aim of this study was to reconstruct the Holocene vegetation history and the climate changes in a subarctic area. The results are based on pollen and macrofossil records from six lakes in the Torneträsk area. The lakes are situated at altitudes between 370 and 999 m a.s.l., along a transect from the boreal pine-birch forest to the alpine tundra with heath vegetation. The chronology in each lak
Popular Abstract in Swedish Områden som är kontinuerligt utsatta för vinderosion löper stor risk för att erhålla en försämrad jordkvalitet eftersom vinderosion innebär en utsållning av fina fraktioner och humus från jordmånen. För att vinderosion ska inträffa krävs en kombination av vissa väder- och markförhållanden. Flera av dessa är direkt relaterade till klimatet, t ex vindhastighet och jordfukWind erosion is a serious threat to soil resources as it causes depletion of the fine fractions that may result in a less fertile soil. Wind erosion encompasses several processes of which many are related to climate variables. To date, there is little work performed on how wind erosion relates to climate and climate change. In this thesis, atmospheric circulation and wind erosion were analysed to
Abstract Introduction Carpal tunnel syndrome (CTS) is thought to be due to compression of the median nerve in the carpal tunnel. It is known that carpal tunnel pressures are elevated in wrist postures of flexion and extension and in those patients with CTS. Classic symptoms of CTS include night waking with pain, tingling, and numbness. These classic symptoms stimulated our interest in the relation
Background: The authors have identified and studied a large kindred in which frontotemporal dementia (FTD) is inherited as an autosomal dominant trait. The trait has been mapped to the pericentromeric region of chromosome 3. Methods: The authors report on the clinical, neuroimaging, neuropsychological, and pathologic features in this unique pedigree collected during 17 years of study. Results: Twe
I allt fler länder börjar en brandteknisk klassificering av byggnadsdelar tillåtas som bygger på en analytisk behandling i stället för på resultat ac ugnsprovningar enligt ISO 834. I Sverige godtas sedan lång tid en analytisk branteknisk dimensionering av bärande och avskiljande konstruktioner som ett alternativ till standardiserad termisk påverkan enligt ISO 834. En väsentlig förutsättning för en
We study the geodesic exponential maps corresponding to Sobolev type right-invariant (weak) Riemannian metrics mu((k)) (k >= 0) on the Virasoro group Vir and show that for k >= 2, but not for k = 0, 1, each of them defines a smooth Frechet chart of the unital element e is an element of Vir. In particular, the geodesic exponential map corresponding to the Korteweg - de Vries (KdV) equation ( k = 0)
Popular Abstract in Swedish Rättvisekriterier och andra etiska aspekter spelar en stor roll i svensk sjukvård. De ingår t ex i målformuleringen i hälso- och sjukvårdslagen ("Målet för hälso- och sjukvården är en god hälsa och en vård på lika villkor för hela befolkningen.", §2). Läkare och andra beslutsfattare påpekar regelbundet vikten av moraliska värderingar, och befolkningen i gemen torde delaEquality of access may be defined and operationalised in several ways. Paper I, 'Equality of access. Definitions and policy implications', proposes a theoretical outline of possible definitions of equal access, of the policy measures needed to attain equality and of their consequences. The health economic literature proposes two main definitions of equal access. Equal access prevails either when i
We present a detailed analysis of time-resolved optical spectra of the ZZ Ceti white dwarf, HS 0507+0434B. Using the wavelength dependence of observed mode amplitudes, we deduce the spherical degree, , of the modes, most of which have . The presence of a large number of combination frequencies (linear sums or differences of the real modes) enabled us not only to test theoretical predictions but al
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Histological types of lung carcinoma were examined in a case series of workers exposed to asbestos cement dust (n = 29) and matched controls (n = 87). The proportion of adenocarcinomas was 31% among the exposed subjects and 15% among the controls (mid-p = 0.05). Among workers with high exposure the proportion of adenocarcinoma was even higher (45%, 5/11; mid-p = 0.03). The proportion of peripheral
In dealing with inexplicable disaster, like the untimely death of a child in a hospital, we increasingly turn to the justice system for accountability and retribution. While seemingly sensible, criminalizing human error has a range of negative consequences. But it does offer "good" narratives of failure as the result of human fault-even at the cost of guilt. Such narratives allow us to pinpoint a
Objective: Although the use of appropriate coping strategies has been suggested to be a key factor in determining successful adjustment to severe physical illness/disability, little systematic support for this link has been found. We investigated relationships between spinal cord lesion-related coping strategies and health-related quality of life when studying for sociodemographic, disability-rela
Many small passerines are resident in forests with very cold winters. Considering their size and the adverse conditions, this is a remarkable feat that requires optimal energy management in several respects, for example regulation of body fat reserves, food hoarding and night-time hypothermia. Besides their beneficial effect on survival, these behaviours also entail various costs. The scenario is
In previous studies, glucagon receptor knockout mice (Gcgr(-/-)) display reduced blood glucose and increased glucose tolerance, with hyperglucagonemia and increased levels of glucagon-like peptide (GLP)-1. However, the role of glucagon receptor signaling for the regulation of islet function and insulin sensitivity is unknown. We therefore explored P-cell function and insulin sensitivity in Gcgr(-/
The genomic region containing the genes encoding the first leukotriene B(4) receptor, BLTR, as well as the recently cloned second leukotriene B(4)-activated receptor, BLTR2, was mapped by (a) sequence analysis of a human bacterial artificial chromosome (BAC) library containing a 15-kb segment corresponding to chromosome 14q11. 2-12 where the BLTR/BLTR2 genes were previously shown to be located, to
