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This thesis experiments with the data structure of a sparse voxel octree (SVO)to see if it may improve the performance of empty space ray marching in volumes. While ray marching is a somewhat new technique it is used more often in traversal of volumes. It can be used for realistic volumetric effects in computer games or it can be used in the medical field when examining and visualizing MRI scans.
My purpose with this essay was to understand the contact persons view of his/her own professional role/identity, and the specific work environment at a correctional facility as an organization. To reach my purpose I answered three questions: how the correctional organization affect the individual contact person and their workmanship seen from a professional perspective, how contact persons find th
This article introduces a 28-nm CMOS digitally controlled oscillator (DCO) based on eight oscillator cores, where the number of active cores can be reconfigured to be either 2, 4, 6, or 8, trading power consumption for phase noise without incurring an additional phase noise penalty. The impact of the reconfiguration pMOS switches on the phase noise performance is determined through a simple yet ri
The formation of soot particles has been investigated in CH4/O-2 diffusion flames using a unique burner design, which allows the creation of a nearly unstrained planar reaction sheet. Spatially resolved soot volume fractions were obtained using laser-induced incandescence. These soot measurements and the sooting limits were obtained as a function of bulk flow across the flame and mixture strength.
The field of (im)politeness studies has been steadily growing and developing but the role of conventionality and the type of semiotic system (e.g., language vs. gesture) for impoliteness perception has not been sufficiently explored. We used a cognitive-semiotic framework combining a reaction-time experiment and in-depth interviews with sixty participants to explore how Russian and Swedish native
Tissue and cell examinations have a potential to produce extremely valuable information about antigen quantities in samples. Using currently available methods, a truly quantitative analysis is nearly impossible. We have previously shown that immunohistochemical (IHC) detection of prostate-specific antigen and human glandular kallikrein from prostatic tissue, together with time-resolved fluorescenc
Objective: There is a lack of real-life studies on interleukin-17 (IL-17) inhibition in psoriatic arthritis (PsA). We assessed real-life 6- and 12-month effectiveness (i.e., retention, remission, low disease activity [LDA], and response rates) of the IL-17 inhibitor secukinumab in PsA patients overall and across 1) number of prior biologic/targeted synthetic disease-modifying antirheumatic drugs (
Background and ObjectivesIdentifying a clinically meaningful change in cognitive test score is essential when using cognition as an outcome in clinical trials. This is especially relevant because clinical trials increasingly feature novel composites of cognitive tests. Our primary objective was to establish minimal clinically important differences (MCIDs) for commonly used cognitive tests, using a
Abstract in SpanishSe ha dicho a menudo que la Cronografía de Miguel Psellós, el prolífico autor del s. xi, es una obra historiográfica que semeja una novela y que Psellós gasta mucho tiempo en describir caracteres y en tomar actitudes irónicas respecto de sus protagonistas imperiales. Este artículo sostiene que una versión más refinada de esto puede ser vista en el libro sexto de Psellós a pIt has often been stated that the Chronographia by the eleventh-century prolific author Michael Psellos is a piece of historiography that reads almost like a novel, and that Psellos spends much time on describing characters and taking ironical stances towards his imperial protagonists. This article claims that a refined version of this may be seen in Psellos’ book six on Constantine IX Monomachos.
For many years, fascism in East Central and Southeastern Europe remained an overlooked aspect of the history of transnational and transatlantic fascism. This introduction provides a background on how this came to pass and why we should rethink this assumption. The introduction explains how the heterogeneity of East Central and Southeastern European fascism alters the general understanding of Europ
AIMS: Metformin has hitherto not been proven superior to other type 2 diabetes (T2D) medications for the prevention of organ complications. The aim of this study is to report baseline data and blinded interim analyses in the register-based randomised clinical trial (RRCT) SMARTEST, which compares metformin and the SGLT2 inhibitor dapagliflozin in early T2D. We also present learnings from the novel
Dynamic processes in catalysis are gaining increased attention and could very well be one of the next frontiers in surface science. One way to study such processes is to induce chemical changes on the surface for example by periodically adjusting the (electro)chemical potential in situ and identify the resulting spectral changes. Often this is referred to as Modulation Excitation Spectroscopy (MES
This study examines the characteristics and nature of rumor via mobile communication in contemporary China. By focusing on six concrete case studies with 50+ in-depth interviews, this study observes that mobile phone-mediated rumor has evolved into a special form of popular resistance at the grassroots level. The low-cost and user-friendly mobile device lowers the average protest threshold, creati
User guide - National 7T facility Version 6, updated 2019-10-16 Responsible authors: Karin Markenroth Bloch (LBIC), Freddy Ståhlberg, Isabella Björkman-Burtscher 1 User guide National 7T facility Lund University BioImaging Center (LBIC), Lund University and Department of Medical Imaging and Physiology (BoF), Skåne University Hospital (SUS); Region Skåne User guide - National 7T facility Version 6,
https://www.lbic.lu.se/sites/lbic.lu.se/files/7t_user_guide_20191016.pdf - 2026-07-17
Cloud computing has recently received considerable attention, as a promising approach for delivering ICT services by improving the utilisation of data centre resources. On the other hand, the increased usage of ICT, jointly with the increased cost of energy, make designing and managing data centres with energy efficient strategies a crucial and strategical problem. In the literature there are man
This thesis describes analysis of data from the DELPHI Very Small Angle Tagger (VSAT) calorimeter at LEP1. The VSAT consists of four Silicon-Tungsten calorimeter modules symmetrically positioned 7.7 meters away from the interaction point. It measures elastically scattered electrons and positrons, Bhabha events, within the polar angular region between 5-12 mrad. Trigger efficiency and reconstructio
The purpose of the present study was threefold: (a) to replicate the finding by MacLeod and Rutherford (1992) that low trait-anxious individuals, in contrast to high trait-anxious individuals, show a selective attention away from subliminally presented threat words at elevated levels of stress; (b) to test the hypothesis that this effect is due to individuals with repressive coping-style rather th
In many-body and other systems, the physics situation often allows one to interpret certain, distinct states by means of a simple picture. In this interpretation, the distinct states are not eigenstates of the full Hamiltonian. Hence, there is an interaction that makes the distinct states act as doorways into background states which are modeled statistically. The crucial quantities are the overlap
