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This thesis deals with the task of modeling a web server and designing a mechanism that can prevent the web server from being overloaded. Four papers are presented. The first paper gives an M/G/1/K processor sharing model of a single web server. The model is validated against measurements ands imulations on the commonly usedw eb server Apache. A description is given on how to calculate the necessar
The ability to design and tailor-make antibodies to meet the biophysical demands required by the vast range of current and future antibody-based applications within biotechnology and biomedicine will be essential. In this proof-of-concept study, we have for the first time tailored human recombinant scFv antibodies for site-specific photocoupling through the use of an unnatural amino acid (UAA) and
Since a tightly regulated complement system is needed for a successful pregnancy, we hypothesized that alterations in complement inhibitors may be associated with idiopathic, recurrent miscarriage. We sequenced all exons coding for three complement inhibitors: C4b-binding protein (C4BP), CD46 and CD55 in 384 childless women with at least two miscarriages that could not be explained by known risk f
It has recently been demonstrated that superparamagnetic iron oxide nanoparticles can be used as magnetomotive ultrasound contrast agents. A time-varying external magnetic field acts to move the particles and, thus, the nanoparticle-laden tissue. However, the difficulty of distinguishing this magnetomotive motion from undesired movement induced in regions without nanoparticles or other motion arti
The stochastic behavior of FM-clicks in an unmodulated carrier plus noise is studied in terms of the conditional behavior of stationary Gaussian processes after level crossings. By a systematic use of thc Slepian model processes it is shown that the normalized shape of a positive FM-click approaches a certain rational function with simple random coefficients as the carrier-to-noise ratio tends to
Companies are constantly being pressured to innovate in order to stay competitive in the short run and have new offerings in the long run. One way of boosting innovation is to develop idea support systems that go beyond the traditional methods and tools. Through a qualitative study, this paper explores the lessons learned from developing an online platform for idea generation, and discusses it in
Centrum för handelsforskning vid Lunds universitet VERKSAMHETSBERÄTTELSE | 2017 2 VERKSAMHETSBERÄTTELSE CENTRUM FÖR HANDELSFORSKNING 2017 FOTO Hela workshopserien har varit mitt i prick för oss. Intressanta talare och bra gruppdiskussioner runt borden. Tack för att vi fick vara med! Ylva Skoogh, Integrate” 3 VERKSAMHETSBERÄTTELSE CENTRUM FÖR HANDELSFORSKNING 2017 Inledning Centrum för handelsforsk
https://www.lusem.lu.se/sites/lusem.lu.se/files/2024-01/verksamhetsberattelse-2017.pdf - 2026-05-20
1 Transnational Actors and Global Democracy PhD-Course, 7,5 Credits Lund University and Stockholm University 5 November 2012 – 18 January 2013 Course Coordinators: Ulrika Mörth (Stockholm University) and Anders Uhlin (Lund University) The course explores the possibilities and challenges for democratizing global governance, with a special focus on transnational actors. Drawing on the most recent re
https://www.psy.lu.se/sites/psy.lu.se/files/fou-transdemos.pdf - 2026-05-20
untitled Factors associated with longitudinal food record compliance in a paediatric cohort study Jimin Yang1,*, Kristian F Lynch1, Ulla M Uusitalo1, Kristina Foterek2, Sandra Hummel3, Katherine Silvis4, Carin Andrén Aronsson5, Anne Riikonen6, Marian Rewers7, Jin-Xiong She4, Anette G Ziegler3, Olli G Simell8, Jorma Toppari9, William A Hagopian10, Åke Lernmark5, Beena Akolkar11, Jeffrey P Krischer1
https://www.teddy.lu.se/sites/teddy.lu.se/files/06032016_679_47_yang_phn_2015.pdf - 2026-05-20
Nationella forskarskolan om åldrande och hälsa Fastställd av SWEAH:s styrelse 2022-04-20 Verksamhetsberättelse 2021 Nationella forskarskolan om åldrande och hälsa www.sweah.lu.se http://www.sweah.lu.se/ Nationella forskarskolan om åldrande och hälsa Verksamhetsberättelse 2021 2 Innehållsförteckning sida Omslagsfoto: Marylou Fortier, Unsplash Sammanfattning 3 Styrelse 4 Partners 5 Forskarskolans le
This work presents a review of studies on the process economics of ethanol production from lignocellulosic materials published since 1996. Our objective was to identify the most costly process steps and the impact of various parameters on the fi- nal production cost, e.g. plant capacity, raw material cost, and overall product yield, as well as process configuration. The variation in estimated etha
We generalize the recently formulated theory of high-order harmonic generation by low-frequency laser fields to the case of high-order sum and difference frequency mixing in a two-color field of noncommensurate frequencies in the optical-infrared regime. Our theoretical description includes both the single-atom response and propagation. We observe a different behavior of the sum and difference fre
Most processes (whether physical, chemical, or biological) produce or consume heat: measuring thermal power (the heat production rate) is therefore a typical method of studying processes. Here we describe the design of a simple isothermal heat conduction calorimeter built for use in teaching; we also provide an example of its use in simultaneously determining the rate constant and the reaction ent
Popular Abstract in Swedish Principen för biologisk vattenreningsteknik är att mikroorganismer används för att bryta ner olika typer av föroreningar. Då det finns en stor mängd olika sorters mikroorganismer, kan flera typer av nedbrytningsmekanismer och processutformningar utnyttjas för olika krav och syften. Nackdelen med biologisk vattenreningsteknik är dock att den är känslig för störningar ochThe aim of the thesis was to investigate how different abiotic and biotic parameters may affect microorganisms and the process performance in various biological wastewater treatment systems. The type of carbon source in the influent wastewater may have a profound effect on the composition and the activity of denitrifying activated sludge bacteria in nutrient removal. Of four investigated carbon s
von Willebrand factor (VWF) is a plasma protein that consists of a series of multimers of which the high-molecular-weight VWF multimers are the most potent in platelet adhesion and aggregation. The propeptide of the VWF (VWFpp) is known to be essential in the process of multimer assembly. Genetic studies were performed in a patient with a phenotype of von Willebrand disease (VWD) characterized by
In a world of nearly 10 billion people, competition for the conditions of life and wealth can only accelerate. Our contention is that with such increasing competition, more and more material as well as immaterial things will be turned into resources – a process that we suggest to label resourcification.Resourcification is not another term for processes of economisation such as commodification and
Hemicelluloses, which are abundant in nature and have potential use in a wide variety of applications, may make an important contribution in helping relieve society of its dependence on petrochemicals. However, cost-efficient methods for the isolation of hemicelluloses are required. This article presents an economic evaluation of a full-scale process to isolate hemicelluloses from process water fr
Parallel evolution occurs when a similar trait emerges in independent evolutionary lineages. Although changes in protein coding and gene transcription have been investigated as underlying mechanisms for parallel evolution, parallel changes in chromatin structure have never been reported. Here, Saccharomyces cerevisiae and a distantly related yeast species, Dekkera bruxellensis, are investigated be
Pervaporation offers solutions for a wide range of applications ranging from the dehydration of organic compounds to the recovery of organic compounds from water and the separation of organic mixtures. While the combination of pervaporation and distillation in a hybrid process to break azeotropes is well established on an industrial scale, successful applications of hydrophobic pervaporation are r
