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Stochastic Modeling and Operational Optimization in District Heating Systems
Operation of a district heating system is accomplished via a sequence of decisions by the operators controlling the system. These decisions are based on expectations of conditions in the system that are not known at decision time. The operators could be helped by a decision support system that computes predictions of future system variables and suggests appropriate control actions given the availa
Biocompatibility of peritoneal dialysis fluids: long-term exposure of nonuremic rats.
Human immunoglobulin class and subclass specificity of Fc receptors induced by herpes simplex virus type 1
Herpes simplex virus is known to induce an immunoglobulin-binding cell surface receptor in infected cells that utilizes a nonimmune mechanism. In the present paper, we report the immunoglobulin class and subclass specificity of this receptor. Of the human immunoglobulins G(IgG), IgA, IgM, and IgD, as well as the structurally related beta2 microglobulin, only IgG and its Fc portion exhibited an inc
Recursive estimation of quantiles using recursive density estimators
Learner-centred education in end-of-life care improved well being in home care staff: a prospective controlled study.
The aim of this controlled study was to evaluate a 1-year learner-centred educational project in end-of-life care for home care staff in a rural district of Sweden. Another rural district in the same region served as a control area. A 20-item questionnaire measuring attitudes towards end-of-life care was designed, and the Hospital Anxiety and Depression (HAD) scale was used to measure mental well
Approximate time-variable coherence analysis of multichannel signals
We present a new method for signal extraction from noisy multichannel epileptic seizure onset EEG signals. These signals are non-stationary which makes time-invariant filtering unsuitable. The new method assumes a signal model and performs denoising by filtering the signal of each channel using a time-variable filter which is an estimate of the Wiener filter. The approximate Wiener filters are obt
Han, hon, den, det : att integrera genus och kön i arkeologi
Structural studies of cysteine proteases and their inhibitors
Cysteine proteases (CPs) are responsible for many biochemical processes occurring in living organisms and they have been implicated in the development and progression of several diseases that involve abnormal protein turnover. The activity of CPs is regulated among others by their specific inhibitors: cystatins. The main aim of this review is to discuss the structure-activity relationships of cyst
Tracking techno-science networks: A case study of fuel cells and related hydrogen technology R&D in Norway
This study explores boundary-crossing networks in fuel-cell science and technology. We use the case of Norwegian fuel cell and related hydrogen research to explore techno-science networks. Standard bibliometric and patent indicators are presented. Then we explore different types of network maps-maps based on co-authorship, co-patenting and co-activity data. Different network configurations occur f
Stadsmusikanten i svenskt musikliv under 1600- och 1700-talet
Emulation of dual-conjugate adaptive optics on an 8-m class telescope
In this article we present a downscaled laboratory setup emulating five natural guide stars, a layered static atmosphere and a 7.5-m aperture telescope equipped with dual-conjugate adaptive optics at a wavelength of 2.2 mum. Three reconstruction alternatives were evaluated; conventional adaptive optics, field-averaged conventional adaptive optics and dual-conjugate adaptive optics. The results wer
International programs and perspectives.
Abstract is not available
Camera Lucida. Anteckningar från ett upplyst rum
Cerebrovascular response during and following severe insulin-induced hypoglycemia: CO2-sensitivity, autoregulation, and influence of prostaglandin synthesis inhibition
The objective of the present experiments was to study mechanisms governing cerebrovascular responses during severe hypoglycemia, and in the posthypoglycemic recovery period. To that end, lightly anesthetized (70% N2O) and artificially ventilated rats were injected with insulin so as to abolish spontaneous EEG activity for 15 or 30 min ("coma"). In separate animals, recovery was induced by glucose
Diffusion of lysozyme in gels and liquids - A general approach for the determination of diffusion coefficients using holographic laser interferometry
A study on diffusion measurements of the protein lysozyme in liquids and agarose gels, at different pH and ionic strengths, has been performed using holographic laser interferometry. The measurements showed that the diffusive flux was very dependent on pH and ionic strength when the protein was not at its isoelectric point or when the charge of the lysozyme molecules was not screened by ions in th
Short-chain fatty acid content in the hindgut of rats fed various composite foods and commercial dietary fibre fractions from similar sources
The fermentability of indigestible carbohydrates and content of short-chain fatty acids along the hindgut of rats were investigated using plant materials of importance in the Swedish diet (instant potato powder, apples and oat flakes). Results with the composite food products were compared with commercial fibre fractions obtained from similar sources, ie potato fibre, apple pectin and beta-glucan-
ACC/AHA/ESC 2006 Guidelines for the Management of Patients with Atrial Fibrillation: a report of the American College of Cardiology/American Heart Association Task Force on Practice Guidelines and the European Society of Cardiology Committee for Practice Guidelines (Writing Committee to Revise the 2001 Guidelines for the Management of Patients With Atrial Fibrillation): developed in collaboration with the European Heart Rhythm Association and the Heart Rhythm Society
Joint prosthetic infections: a success story
Ectomycorrhiza - ecology of the fungal partner
Abstract is not available