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Visar resultat 1 - 5 av 16 avhandlingar som matchar ovanstående sökkriterier.

1. 1. Computerised Three-Dimensional Analysis of Optic Nerve Head Topography in Normal and Glaucomatous Eyes

   Författare :Kjell Gunnar Gundersen; Oftalmologi (Malmö); []
   Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; ranked segment distribution; minimal rim width; sector analysis; neuroretinal rim; global parameters; localised changes; computerised analysis; raster tomography; Optic nerve head topography; scanning laser tomography; Ophtalmology; Oftalmologi;

   Sammanfattning : Evaluation of the optic nerve head topography is one of the most important methods to diagnose and monitor patients with glaucoma. Until recently, optic nerve head topography has most often been judged by either ophthalmoscopy or from optic disc photographs. LÄS MER

3. 2. Estimating Probability Distribution by doing Computer Experiments

   Författare :Gunnar Kjell; Göteborgs universitet; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; computer simulations; seismic verification; response spectrum prediction; stratified sampling; latin hypercube sampling; variance reduction; variance estimation; seismic verification;

   Sammanfattning : In almost every field of engineering, advanced computer programs are used. In many cases only the probability distributions of the input variables to the programs are known. Sometimes stochastic processes are used as input, for example if the stresses in a construction due to an earthquake are to be calculated. LÄS MER

4. 3. Survival patterns and density-dependent processes in breeding mallards Anas platyrhynchos

   Författare :Gunnar Gunnarsson; Kjell Sjöberg; Johan Elmberg; Per Lundberg; Kristianstad University; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES;

   Sammanfattning : Measuring and assessing vital rates such as births and deaths are prerequisites for understanding population dynamics. Vital rates may be affected by the density of individuals, even though the importance of density dependence on population dynamics has been debated for a long time. LÄS MER

5. 4. Survival patterns and density-dependent processes in breeding mallards Anas platyrhynchos

   Författare :Gunnar Gunnarsson; Kjell Sjöberg; Johan Elmberg; Per Lundberg; Robert Clark; Högskolan Kristianstad; []
   Nyckelord :NATURAL SCIENCES; NATURVETENSKAP; NATURVETENSKAP; NATURAL SCIENCES; broods; dabbling ducks; density dependence; ducklings; experiments; models; mortality; nest predation; regulation; survival; Terrestrial ecology; Terrestrisk ekologi;

   Sammanfattning : Measuring and assessing vital rates such as births and deaths are prerequisites for understanding population dynamics. Vital rates may be affected by the density of individuals, even though the importance of density dependence on population dynamics has been debated for a long time. LÄS MER

7. 5. Genetic aspects of stroke : association and linkage studies in a northern Swedish population

   Författare :Per-Gunnar Wiklund; Birgitta Stegmayr; Kjell Asplund; Dan Holmberg; Alun Evans; Umeå universitet; []
   Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Internal medicine; stroke; genetics; polymorphism; association; linkage; risk factors; plasminogen activator inhibitor-1; tissue plasminogen activator; angiotensin converting enzyme; angiotensin II receptor type 1; phosphodiesterase 4D; Invärtesmedicin; Internal medicine; Invärtesmedicin; medicin; Medicine;

   Sammanfattning : Stroke is a common, multifactorial cardiovascular disease. A stroke event is the result of traditional risk factors (i.e. hypertension, diabetes, smoking), environmental exposures and genetic factors in a complex interplay. LÄS MER