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As commodities are becoming more popular and accessible assets for speculative and hedging purposes, the limited research regarding risk management for said asset-class justifies further contribution to the deficient output. Many previous studies have highlighted the extraordinary high volatility, with non-linear and clustering characteristics associated with commodities. Hence, incorporating vola
To optimize the weights in an artificial neural network most methods rely gradients, which are not always obtainable or desirable. Evolutionary algorithms are instead based on Darwinian evolution where no derivative is needed. These algorithms have a set of strategy parameters that can be dynamically updated during the search to increase performance. Two ways of updating the parameters are the so
SVAR JÄMSTÄLLDHETSENKÄT JÄMFÖRELSE 2007 OCH 2009, GEOLOGISKA INSTITUTIONEN 2009 och 2007 Svarsfrekvens: 53 (60 ) st anställda - 20 (23 ) kvinnor och 33 (37 ) män Kursivt är frågor eller frågealternativ från 2007 ALLA SVAR I PROCENT 1. Den praktiska/organisatoriska arbetsmiljön 1a. Har du ett stressigt arbete? Ja Delvis Nej Ej svarat ALLA 07 Q 16 84 0 0 ALLA 07 M 9 73 15 3 ALLA 09 Q 40 55 5 ALLA 09
https://www.geologi.lu.se/sites/geologi.lu.se/files/jolk_enkatsvar_redovisning_jamforelse_07_och_09.pdf - 2026-07-18
The synthesis of four molybdenum and tungsten complexes bearing tetradentate tripodal amino bisphenolate ligands with either hydroxyethylene (1a) or hydroxyglycolene (1b) substituents is reported. The molybdenum dioxo complexes [MoO2L] (L = 2a, 2b) and tungsten complexes [WO2L] (3a, 3b) were synthesized using [MoO2(acac)(2)] and [W(eg)(3)] (eg = 1,2-ethanediolato, ethylene glycolate), respectively
For resection of colorectal cancer (CRC) liver metastases, pre-operative portal vein embolization (PVE) is used to increase the size of the future liver remnant (FLR) prior to advanced liver resection when indicated. PVE is speculated to cause tumour progression, but only a limited number of studies have analysed tumour growth after PVE in the context of pre-procedural chemotherapy, which was the
In this study, five models, including the standard k-epsilon (SKE), realizable k-epsilon (RKE), SST k-omega, transition k-kl-omega, and the v(2)f model, are considered to simulate air flow and heat transfer of a turbine guide vane. The object in this paper is the well-studied NASA C3X turbine vane, for which experimental data are available. Ten internal cylindrical cooling channels are used to coo
Cognitive behavioral therapy with children: A guide for the community practitioner by K. Manassis (see record 2009-01291-000). This book is a clearly written and concise guide for therapists who may have had some exposure to a manualized CBT program for children, but have had little formal training or supervision in CBT. While there is a heavy focus on anxiety and depression, the book is really ab
BACKGROUND: Little is known about the factors that predict for gastrointestinal stromal tumor (GIST) recurrence in patients treated with adjuvant imatinib. METHODS: Risk factors for GIST recurrence were identified, and 2 risk stratification scores were developed using the database of the Scandinavian Sarcoma Group (SSG) XVIII trial, where 358 patients with high-risk GIST with no overt metastases w
OBJECTIVE: The aim of this study was to evaluate the feasibility and effect of a water-based exercise program on lymphedema status and shoulder range of motion among women with breast cancer-related lymphedema. DESIGN: This was a single-blinded, randomized controlled pilot trial. Twenty-nine eligible breast cancer survivors (median, 10 yrs after surgery) with arm lymphedema (median, 21% interlimb
Using exact dispersion relations for electromagnetic wave propagation in layered, periodic media, consisting of two phases, we derive explicit asymptotic solutions for small wavenumbers. These solutions are compared to the numerical solutions of the exact dispersion relations, and applications to homogenization problems are discussed. The results can be used as test cases for homogenization techni
A fragment-based development of 3C-triazol-1-yl-O-galactopyranosyl aldoximes led to the discovery of highly selective and high affinity (K(d) down to 11 microm) small monosaccharide based inhibitors of galectin-3. Galectin-7, 8 N-terminal CRD, and 9 N-terminal CRD bound the inhibitors only weakly. The galectin-3 selectivity was hypothesized to stem from interaction of the aldoxime moiety with a si
A numerical study of how changes in the micromechanical modeling affect the formability of voided metal sheets is conducted. A homogenization technique, where periodic representative volume elements are used, permits investigations of the global formability where the local material mechanisms and the microstructure are accounted for. A nonlocal material model, containing a constitutive material le
OBJECTIVE - To compare the sensitivity and specificity of luciferase immunoprecipitation (LIPS) with radioimmunoprecipitation (RIP) for the measurement of autoantibodies to the type 1 diabetes autoantigens glutamic acid decarboxylase 65 (GAD65) and insulinoma-associated protein (IA)-2 beta. RESEARCH DESIGN AND METHODS - Sera from 49 type 1 diabetic patients and 100 nondiabetic control subjects fro
The aim of this study is to provide a survey of systematic reviews that have evaluated the effects of psychosocial interventions for adult people with intellectual disabilities and/or an autistic syndrome with concurrent mental health problems. Reviews for inclusion were identified through searches of 10 electronic databases. The authors found that 3 out of 126 published reviews met the inclusion
Exercise during pregnancy is associated with health benefits for both the mother and the fetus, and is therefore recommended in several national guidelines. Only few studies investigate whether these guideline recommendations are met. The aims of this study were 1. To assess the prevalence of pregnant women meeting the Danish recommendations for exercise during early pregnancy, 2. To identify pre-
Wrist fracture causes pain and decreased physical, social and emotional function. The International Osteoporosis Foundation has developed a specific questionnaire to assess quality of life in patients with wrist fracture. This questionnaire, including 12 questions, was validated in a multicentre study and compared with an osteoporosis-specific questionnaire (Qualeffo-41) and a generic questionnair
Popular Abstract in English In the age where there is a great demand of energy, raise in the prices of fossil fuels and increase of environmental concerns because of the greenhouse gas emissions, biogas production through anaerobic digestion, of different organic materials, provides a full or partial solution. There is a large number of cheap substrates as organic waste materials that can be utiliThe anaerobic digestion process results in the production of biogas from a large diversity of organic residues, which can be used as an alternate source of energy generation and for waste management. However, the biogas production technology is not exploited efficiently due to the characteristics of raw materials, poor methane yields, process instability, limited raw materials and lack of knowledg
Popular Abstract in Swedish I de flesta fall börjar knäledsförslitning i den inre ledkammaren (medial gonartros) och medför en successiv hjulbenthet (varus). I enstaka fall börjar förslitningen i den yttre ledkammaren (lateral gonartros) innebärande kobenthet (valgus). Personer över 60-65 år behandlas kirurgiskt oftast med knäledsprotes med bra resultat. Hos yngre, mer aktiva, är denna metod sämreOsteotomy is used for correction of the altered load on the gonarthrotic knee joint. It can be performed above or below the knee. Clinical results depend on the correction after bone healing. By tibial closed wedge osteotomy (HTO), the deformity is corrected peroperatively in contrast to tibial hemicallotasis osteotomy (HCO) where the correction is performed after surgery. Comparing the two method
