Sökresultat

Browse Conference Publications > Networks, 2000. (ICON 2000). ... Help Integrating mobility prediction and resource pre-allocation into a home-proxy based wireless Internet framework This paper appears in: Networks, 2000. (ICON 2000). Proceedings. IEEE International Conference on Date of Conference: 2000 Author(s): Chan, J. Sch. of Electr. Eng. & Telecommun., New South Wales Univ., Kensingto

Popular Abstract in Swedish Idag har kravet på kortare ledtider i bilindustrin dramatiskt ökat behovet av effektivare utvecklingsmetoder vid varje steg i processutvecklingskedjan. För att minska de långa ledtiderna för framtagning av ett formningsverktyg har man introducerat Finita Element (FE) simulering av formningsprocessen. Även om FE-simulering används inom bilindustrin idag finns fortfarande

Popular Abstract in Swedish En cancerpatient kommer till sjukhuset för att genomgå en strålbehandlig. Sjukhusets personal tar bilder av patienten och identifierar tumörens placering och utbredning. Bilderna läggs in i ett datorprogram, som i sin tur simulerar en strålbehandling. Strålningsapparaten, dvs. linjäracceleratorn, har flera justerbara parametrar; strålfältets storlek, vinkeln på den infaPolymer gel dosimetry has been used since the 1990s, and several studies have shown that this detector system can be used for verification of static absorbed dose distributions in three dimensions (3D). Its unique properties, such as high resolution, normal tissue equivalence and independency of energy, field size and direction of the incident radiation, should also be advantageous for dosimetric

Fractures of the distal end of the radius are common and occur in many different forms. The long-term results after conservative treatment of fracture of the distal end of the radius in younger adults with special reference to degenerative changes and function are investigated in 76 patients (Paper I). After 30 years, 81% of the patients made no difference between the fractured and the non- fractu

High resolution radio based positioning and tracking is a key enabler for new or improved cellular services. In this work, we are aiming to track user movements with accuracy down to centimeters using standard cellular bandwidths of 20-40 MHz. The goal is achieved by using phase information from the multi-path components (MPCs) of the radio channels. First, an extended Kalman filter (EKF) is used

An economic process for the enzymatic hydrolysis of cellulose would allow utilization of cellulosic biomass for the production of easily fermentable low-cost sugars. New and more efficient fermentation processes are emerging to convert this biologic currency to a variety of commodity products with a special emphasis on fuel ethanol production. Since the cost of cellulase production currently accou

(.) In this study we investigated the effects of temperature on fungal growth and tested whether the differences in fungal growth were related to the effects of temperature on carbon movement to, or within, the fungus. (.) Growth curves and C uptake-transfer-translocation measurements were obtained for three arbuscular mycorrhizal fungi (AMF) isolates cultured within a 6-30 degrees C temperature r

An increasing number of studies describe moving hybrid zones. This raises the issue of their actual frequency and emphasizes the need for methods that enable the detection of zone movements without historical records. Asymmetric introgression, usually considered as a signature of geographical shift, might be misleading when applied to mitochondrial or potentially non-neutral markers. We investigat

Sugammadex shows a dose-response relationship for reversal of neuromuscular block (NMB) during propofol anaesthesia. Sevoflurane, unlike propofol, can prolong the effect of neuromuscular blocking agents (NMBAs), increasing recovery time. This open-label, randomized, dose-finding trial explored sugammadex dose-response relationships, safety, and pharmacokinetics when administered for reversal of mo

Pollinator declines have raised concerns about the persistence of plant species that depend on insect pollination, in particular by bees, for their reproduction. The impact of pollinator declines remains unknown for species-rich plant communities found in temperate seminatural grasslands. We investigated effects of land-use intensity in the surrounding landscape on the distribution of plant traits

Five glucosidases were studied with respect to their ability to catalyse the transglycosylation of maltose or cellobiose. Experiments were carried out at high substrate concentrations to increase the ratio between transglycosylation and hydrolysis. The properties of the enzymes were quite different, and as a simple descriptor of transglycosylation ability we suggest the use of the acceptor concent

Proteins contribute to a major part of the organic nitrogen (N) in forest soils. This N is mobilized and becomes available to trees as a result of the depolymerizing activities of symbiotic ectomycorrhizal fungi. The mechanisms by which these fungi depolymerize proteins and assimilate the released N are poorly characterized. Biochemical analysis and transcriptome profiling were performed to examin

Colorectal cancer (CRC) is the third most common cancer worldwide with more than 700,000 deaths every year. Prognosis mostly depends on disease stage at diagnosis, however, outcome may vary considerably even within the same stage. Thus, there is a great need for new prognostic biomarkers to better identify patients with a high risk of developing metastases and select right patients for adjuvant tr

Many migratory bird species have advanced their spring arrival during the latest decades, most probably due to climate change. However, studies on migratory phenology in the period before recent global warming are scarce. We have analyzed a historical dataset (1873-1917) of spring arrival to southern and central Sweden of 14 migratory bird species. In addition, we have used relative differences be

This paper presents class-D CMOS oscillators capable of an excellent phase noise performance from a very low power supply voltage. Starting from the recognition of the time-variant nature of the class-D LC tank, accurate expressions of the oscillation frequency, oscillation amplitude, current consumption, phase noise, and figure-of-merit (FoM) have been derived. Compared with the commonly used cla

The negative impacts of surface ozone (O(3)) on vegetation are determined by external exposure, leaf gas exchange and plant antioxidant defence capacity, all dependent on climate and CO(2) concentrations. In this study the influence of climate change on simulated stomatal O(3) uptake of a generic crop and a generic deciduous tree at ten European sites was investigated, using the LRTAP Mapping Manu

Popular Abstract in Swedish Blåsexstrofi är en ovanlig och mångfasetterad missbildning. I hela Sverige föds cirka tre barn om året med blåsexstrofi. Bukvägg och urinblåsa är öppna nedanför naveln, så att man ser blåsans insida samt rinnande urin. Flickorna har en delad clitoris, framflyttad och trång slidöppning samt framflyttad ändtarmsöppning. Pojkarna har en kort, öppen penis, som ligger uppfälBladder exstrophy is a complex malformation seen in 1/30 000. Most children are subject to repeated operations, including pelvic osteotomy, genital and bladder neck reconstruction and sometimes bladder augmentation or a urinary reservoir, to achieve continence and a normal genital function. A retrospective study of all Swedish children born 1970-89 showed a low continence rate, 17% , and a high r

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

In this study, a two-dimensional numerical model for water flow and solute transport, Hydrus-2D, was used to investigate the impact of landfill cover thickness and the antecedent water content (Ө) of the soil beneath the landfill on the chloride percolation below the landfill. Series of simulation scenarios were performed using season varying climatic data during a 30-year period including two var