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Time-varying signals, such as sound waves, low-frequency vibrations from the earth, or electrical impulses in the human body, are often non-stationary, meaning their characteristics change over time. Because of this, standard spectral analysis methods, which assume stationary signals, cannot be used for analyzing such signals, as they discard the time-varying dynamics. This necessitates methods fo
What if Women Ruled the World? Yael Bartana stages this question in her performative piece Two Minutes to Midnight. The all-female government of a fictional nation is tasked with addressing an imminent nuclear threat posed by a foreign power. A panel composed of actresses and real-life experts in defense, law, politics, and psychology gathers in a democratic “peace room.” This space reflects the t
The regional sensitivity of different vascular beds to i.v. CGRP was investigated in the albino rabbit by using the microsphere method. Experiments were performed without pre-treatment on both conscious and pentobarbital-anaesthetized animals. In addition, in one series on conscious animals, rabbits were pre-treated with indomethacin in order to reduce the formation of prostaglandins. In another s
Background: Low-level processing and normalization of microarray data are most important steps in microarray analysis, which have profound impact on downstream analysis. Multiple methods have been suggested to date, but it is not clear which is the best. It is therefore important to further study the different normalization methods in detail and the nature of microarray data in general. Results: A
Popular Abstract in Swedish Denna avhandling handlar om expertinflytande och demokrati och fokuserar hur politiskt beslutsfattande i frågor med stort beroende av vetenskaplig expertis bör gå till för att vara demokratiskt. Studiens övergripande syfte är att från ett demokratiskt perspektiv värdera den svenska lagstiftningsprocessen om medicinsk genteknik, som kan ses som ett fall av beslutsfattand
Popular Abstract in Swedish Modern gastroenterologi är till stora delar helt beroende av resultat från gastrointestinal endoskopi och många av de sjukdomar som hänförs till denna specialitet kan också behandlas med modern endoskopisk och minimal invasiv teknik. Gastroskopi är förstahandsundersökning av patienter med såväl kroniska som akuta symptom från övre gastrointestinalkanalen. Den gastroskopChromoendoscopy, endoscopic tissue staining, is an adjunctive method using chemical agents applied to the mucosal surface in order to aid gastrointestinal endoscopic diagnosis and therapy. Acid producing mucosa in the GI tract may be visualized endoscopically by Congo red staining in combination with stimulation of gastric acid production. Congo red is a reactive indicator dye that changes color f
A particle-based transported probability density function (PDF) method with a novel chemistry acceleration technique is developed in this work. The technique is based on the chemistry coordinate mapping (CCM) approach that was proposed in our previous works for accelerating direct numerical simulations (DNS) of partially premixed combustion. The method is first validated using Sandia flames D and
Popular Abstract in Swedish Automatisk analys av programkod är ett kärnområde inom datavetenskap. Det mest typiska verktyget inom detta område är en kompilator som översätter källkod till maskinkod, men det finns många likartade verktyg, exempelvis översättning mellan språkdialekter, kontroll av kodkonventioner samt automatisk omstrukturering av kod. Eftersom dessa verktyg gör liknande analyser fiProcessing of programs is a core area in computer science. A compiler that translates source text to machine language is the most well-known kind of tool in this area, but there are numerous other kinds of related applications: source-to-source translators, refactoring tools, reengineering tools, metrics tools, consistency checkers, etc. These tools perform similar analyses and can therefore benef
The orbit of a planet is surrounded by a chaotic zone wherein nearby particles' orbits are chaotic and unstable. It was shown by Wisdom that the chaos is driven by the overlapping of mean motion resonances which occurs within a distance (δa/a)chaos≈ 1.3μ^2/7 of the planet's orbit. However, the width of mean motion resonances grows with the particles' eccentricity, which will increase the width of
A national debate about how to transform and to ‘green’ the problematic housing stocks from the boom era has been going on since the late 1990s. Different kinds of policy instruments with energy efficiency objectives that address either energy systems, energy sources or construction and renovation of the building envelope have been in use. Some policy instruments have combined green objectives wit
Aim: To determine the importance of different biogeographical processes (vicariance, dispersal, long-distance dispersal and establishment or LDDE) for the current distribution of metalmark moths, a group of small insects, using a time-calibrated molecular tree. Location: Global. Methods: We sampled 104 species of metalmark moths with representatives from all six major biogeographical regions of th
Consider a quadratic form of a vector valued differentiable stationary Gaussian process. The crossing intensity of a fixed level depends on the joint correlation structure of the process and its derivative, but no simple exact form is known for the general case. We give the first and second terms in an asymptotic expansion, which is valid as the level tends to infinity, and show how to find higher
Purpose: To evaluate patients with central retinal vein occlusion (CRVO) and neovascular glaucoma (NVG) using electrophysiology in order to gain better understanding of visual outcome and risk factors, such as previously diagnosed primary open-angle glaucoma (POAG). Methods: Eighty-three patients (83 eyes) initially presenting with CRVO and examined with full-field electroretinography (ERG) within
The development in sensor technology has made many wastewater treatment systems data rich but not necessarily information rich. To extract the adequate information from several sensors is not trivial, and it is not sufficient to consider only the time series. Different tools for detecting unusual on-line measurement data and deviating process behaviour are discussed. In this paper various dimensio
Popular Abstract in Swedish Sedan 1900-talets början har jordens medeltemperatur ökat med ca 0.9 grader, vilket bland annat resulterat i mer extremt väder, varmare världshav och att världens isar smälter med översvämningar av kustregioner som följd. Det är numera accepterat att denna temperaturökning med stor sannolikhet beror på människans utsläpp av växthusgaser, ex koldioxid (CO2). KoncentratioThe thesis work was performed with the aim of increasing knowledge and understanding of the combustion of oxygenated fuels and intermediates. This was accomplished in two steps: experimental measurements of the laminar burning velocity to expand current databases and development of a reaction mechanism. In the first part of the project, the laminar burning velocity of oxygenated fuels and interme
Popular Abstract in English Soil as an ecosystem is a reservoir for several living organisms including microorganisms, earthworms, collembolans, nematodes and protozoans. They are involved in cycling the nutrients through degrading the organic compounds (source of carbon essential for all living organisms) like plant residues and respire part of it as carbon dioxide. Organic compounds get stored iAbstract Intensive land use in agriculture can lead to higher loss of biodiversity in soils and subsequently carbon due to tillage and application of pesticides and fertilizers. The microbial communities are pivotal to ecosystem processes in soil such as nutrient cycling, soil formation and plant productivity and thus are affected by land use. The main aim of this thesis is to understand the effe
This thesis describes experiments involving laser-plasma-based acceleration of electrons and protons, using the techniques of laser wakefield acceleration (LWFA) and target normal sheath acceleration (TNSA). By using extremely high accelerating field strengths, up to the order of TV m-1, it is possible to reach high kinetic particle energies over very short distances.The multi-terawatt laser syste
Background: Forensic psychiatric patients present a challenge as they manifest severe mental disorders together with criminal behaviour. There are well-known risk factors for criminal behaviour in the general population, yet knowledge of what predicts reconviction in the Swedish forensic population in the long-term perspective is still insufficient. Aims: The study aims to (1) describe background
INTRODUCTION: The prevalence of childhood overweight and obesity has increased substantially in recent decades. Physical activity is a key component in improving metabolic and overall health in children with obesity. The Swedish Physical Activity on Prescription (PAP) is an established method for promoting physical activity, yet knowledge regarding its applicability and acceptability in paediatric
In this thesis the encounter of the Catalan culture with the German culture at the Frankfurt Book Fair in 2007 is investigated. The leading research question is how the Catalan culture presented itself at the planned encounter with the German culture and how it was perceived by the latter. Semiotic analysis was conducted on the basis of newspaper articles from nine different newspapers analysing a
