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The propagation of positive streamers in a weak and uniform background electric field
The results of numerical simulations of a positive streamer development in air in a weak and uniform electric field are presented. Streamer dynamics is considered in an electrode gap of 33 mm in length and the configuration was 'protrusion on a plate-plate'. This particular configuration was chosen in order to perform direct comparison between simulated results and experimental data. The electrost
Vilken religion är sann och frågan om språkets obestämbarhet
There is nothing strange in asking what is true. There is nothing strange in asking whether what different religions proclaim is true, and if there is one of them that would be truer than others. Such questions surface when religions meet in various ways. How definite the answers can be depends on the level of linguistic stability, or so it is argued in this article. Therefore, understanding the f
Retinal function and PKC alpha expression after focal laser photocoagulation.
PURPOSE: To examine the effects of focal laser photocoagulation on general and local retinal function and to relate electrophysiological findings with changes in protein kinase C (PKC) alpha expression. METHODS: Twelve rabbits were treated with 70 spots of laser photocoagulation in the central cone-rich retina. The operated eyes were investigated with electroretinography (full-field ERG and multif
Breastfeeding and its impact on daily life in women with type 1 diabetes during the first six months after childbirth: a prospective cohort study
For mothers with diabetes, breastfeeding is a great challenge due to their struggle with potentially unstable blood glucose levels. This paper explores breastfeeding attitudes and impact of breastfeeding on the daily life of mothers with type 1 diabetes compared with non-diabetic mothers.Methods: We performed a prospective cohort study of 108 mothers with type 1 diabetes and a reference group of 1
Evaluating the learning effectiveness of using simulations in software project management education: results from a twice replicated experiment
The increasing demand for software project managers in industry requires strategies for the development of management-related knowledge and skills of the current and future software workforce. Although several educational approaches help to develop the necessary skills in a university setting, few empirical studies are currently available to characterise and compare their effects. This paper prese
Staten bör gifta ihop digital-tv med bredband
Reading strategies and cognitive skills i children with cochlear implants
Abstract in UndeterminedThe present study investigated working memory capacity, lexical access, phonological skills and reading ability in 6 children with cochlear implants (CI), attending grades 1-3. For each test measure, the individual performance of the children was compared to a grade-matched comparison group of children with normal hearing. Performance was also studied in relation to demogra
Transformation of polarized light information in the central complex of the locust.
Many insects perceive the E-vector orientation of polarized skylight and use it for compass navigation. In locusts, polarized light is detected by photoreceptors of the dorsal rim area of the eye. Polarized light signals from both eyes are integrated in the central complex (CC), a group of neuropils in the center of the brain. Thirteen types of CC neuron are sensitive to dorsally presented, polari
No title
Comment on David Graeber, 'Consumption'
Konsten att leva länge
Lauritz Weibull och forskarsamhället
Fritz Lang - The Nature of the Beast
Recension av Patrick McGilligans biografi.
Different gene expression in immunoglobulin-mutated and immunoglobulin-unmutated forms of chronic lymphocytic leukemia.
The mutation status of the immunoglobulin heavy chain variable regions (IgVH) has been found to be a good prognostic indicator for B-cell chronic lymphocytic leukemia (CLL) because unmutated VH genes are associated with rapid disease progression and shorter survival time. To study the differences in gene expression between the Ig-unmutated and Ig-mutated CLL subtypes, we performed gene expression
Utveckling med helhetssyn : ny standardvägg för putsade fasader i flervåningshus.
Visual Assessment of Brain Perfusion MRI Scans in Dementia: A Pilot Study.
Functional imaging is becoming increasingly important for the detection of neurodegenerative disorders. Perfusion MRI with arterial spin labeling (ASL) has been reported to provide promising diagnostic possibilities but is not yet widely used in routine clinical work. The aim of this study was to compare, in a clinical setting, the visual assessment of subtracted ASL CBF maps with and without addi
Composition of physiologically important fatty acids in great tits differs between urban and rural populations on a seasonal basis
Fatty acids (FA) have crucial functions in animals, affecting e.g. inflammatory responses, thermoregulation, and cell membrane fluidity. Diet and ambient temperature affect animals’ FA composition, which, in turn, may influence these physiological processes. Great tit (Parus major) −common in both urban and rural habitats− are mainly granivorous during winter and insectivorous during summer. These