Im vorliegenden Beitrag wird ein agentenbasiertes Simulationsmodell vorgestellt, mit dem der Day-Ahead-Strommarkt, der Markt für positive Minutenreserve und der Emissionshandel abgebildet wird. Die Betreiber von Kraftwerken werden als lernende Agenten (mit Q-Learning) abgebildet und konkurrieren auf der Anbieterseite der Strommärkte. Das Modell wurde mit Daten des deutschen Strommarkts simulier...

Tree embeddings are a powerful tool in the area of graph approximation algorithms. Roughly speaking, they transform problems on general graphs into much easier ones on trees. Fakcharoenphol, Rao, and Talwar (FRT) [STOC’04] present a probabilistic tree embedding that transforms n-node metrics into (probability distributions over) trees, while stretching each pairwise distance by at most anO(log ...

Unter einem echtzeitfähigen softwaredefinierten Rundfunkempfänger versteht diese Arbeit einen Rundfunkempfänger, dessen Signalverarbeitung durch Software auf programmierbaren Hardwareplattformen ausgeführt wird, anstatt mithilfe fest verdrahteter Hardwarekomponenten. Die Echtzeitfähigkeit wird durch das in dieser Arbeit entwickelte Gesamtkonzept und innerhalb des neu entwickelten Programmgerüst...

This study proposed to assess the nutritional status of RA patients and to study any impact of disease activity (as assessed by DAS 28 score) on it. In this study 150 cases of RA diagnosed according to 1987 revised ACR criteria were recruited. Patients with immunocompromised state (i. e. HIV, malignancy), malabsorption syndrome, chronic disease or autoimmune disorder other than RA, metabolic sy...

Salinity is one of the most serious abiotic stresses for plants, causing other subsequent consequences such as oxidative stress, which eventually leads to cell death. Measured various biochemical parameters in chickpea genotypes were performed under various NaCl concentrations (0, 8 and 12 dS.m( in controlled condition at 21 and 28-day after sowing (DAS). After determination of tolerant (MCC544...

Aim of the study In this study, serum lipokalin 2 (LCN-2) levels and its clinical and radiological significance in patients with rheumatoid arthritis was evaluated. Material and methods The study enrolled 37 patients with RA and 34 healthy controls. Serum LCN-2 level was measured using ELISA method. Patients with DAS 28 scores ≤ 3.2, and > 3.2 were allocated into lower and high/moderate disea...

Objective. To compare the use of radiolabelled human monoclonal anti-TNF-a scintigraphy with clinical examination and MRI of hands and wrists joints in patients with active RA. Methods. Eight patients with active RA, 28-joint DAS (DAS-28)53.2 and a healthy volunteer underwent whole body and hand/wrist scintigraphy after the administration of anti-human TNF-a labelled with technetium-99m (Tc). O...

Introduction: Rheumatoid arthritis affects 1% of the world population, and up to 73% of patients present respiratory disorders. In Colombia, there are no studies evaluating the relationship between the presence of pulmonary disorders and rheumatoid arthritis. Objective: To determine the factors associated with respiratory diseases in patients with rheumatoid arthritis. Methods: Case-control stu...

Rheumatoid arthritis (RA) is a chronic, systemic inflammatory disease which affects approximately 1% of the population worldwide. Recent research on the role of heat shock proteins (Hsps) in RA development indicates that they may have pro- or anti-inflammatory effect, most probably via modulating cytokine secretion. We investigated type Th1 (INFγ, TNFα, IL-2) and type Th2 (IL-10, IL-6, IL-4) cy...

OBJECTIVE To determine the prevalence of RA and its distribution among linguistic groups in the urban area of Kinshasa. METHODS Investigators questioned all individuals living in randomly chosen streets in five randomly chosen health areas in Kinshasa. Age, sex, linguistic group and rheumatic complaints were noted. RA diagnosis by 1987 ACR classification criteria was checked in all suspect ca...