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Flame flashback from the combustion chamber to the premixing section is a major operability issue when using high H-2 content fuels in lean premixed combustors. Depending on the flow-field in the combustor, flashback can be triggered by different mechanisms. In this work, three flashback mechanisms of H-2/CH4 mixtures were visualized in an atmospheric variable-swirl burner using high speed OH* che
Industrialized building has drawn in ideas from many pioneering researchers during its decades of development; in this brief recapitulation we present some observations on selected moments in the history that have significantly shaped the approach to building construction. The first formative movement identified is prefabrication, as used by Joseph Paxton during construction of the Crystal Palace.
This chapter describes the architecture of a middleware layer between low-level sensing devices and higher level software layers, to support the requirements of a software infrastructure for networked enterprises. The development of such middleware layer is an important problem, as demonstrated by the number or research papers and the variety of approaches that can be found in literature. The main
ABSTRACT: BACKGROUND: Replacing the energy-intensive evaporation of stillage by anaerobic digestion is one way of decreasing the energy demand of the lignocellulosic biomass to the ethanol process. The biogas can be upgraded and sold as transportation fuel, injected directly into the gas grid or be incinerated on-site for combined heat and power generation. A techno-economic evaluation of the spru
Bark and bark-containing forest residues have the potential for utilization as raw material for lignocellulosic ethanol production due to their abundance and low cost. However, the different physical properties and chemical composition of bark compared to the conventionally used wood chips may influence the spruce-to-ethanol bioconversion process. This study assesses the impact of bark on the over
In this thesis, the main focus has been on the childhood cancer neuroblastoma, one of the most common and lethal childhood tumours. Neuroblastoma has througout the years continued to be a clinical and biological enigma. Our first focus was on one of the most important biological risk factors in neuroblastoma -- amplification of the oncogene MYCN in the tumour cells. Because amplified MYCN typical
Per Olov Enquist's 1985 novel Nedstörtad ängel (Downfall) is, despite its modest proportions, one of the most poetically powerful and intriguing works in his oeuvre. It consists of a number of disparate stories which are presented as intertwined fragments. In this article I argue that the novel as a whole creates its meaning in the manner of a large-scale metaphor, in which the different stories s
Abstract Authors: Sebastian Jerneck & Johan Krantz Title: Where are youths placed by social workers? - What criteria will the social secretary take into account in the placement process? Supervisor: Max Koch Assessor: Johan Cronehed This thesis examines which conditions influence social workers' placements of youths. We interviewed seven social workers in four adminstrative regions. Our r
Populärvetenskaplig sammanfattning: Stenshuvuds nationalpark är en av Sveriges minsta nationalpark. Dess naturtyper är omväxlande och är därmed en av landets mest artrika nationalpark. Området är, trots sina höga naturvärden, inte speciellt välundersökt vad gäller miljöhistoria sett i ett längre tidsperspektiv. Tiden för trädens invandring vid Stenshuvud under holocen (de senaste 11 500 åren) har A palaeoecological investigation of two peat deposits in the national park of Stenshuvud (N 55° 39´ 21´´, O 14° 16´ 06´´), southeastern coast of Sweden, was performed to date the immigration of tree species and study the landscape history during Holocene. The sequences were analysed for pollen and plant macrofossil. The chronology is based on 14 AMS-14C dates of plant macroremains from terrestrial
How stakeholders can influence EU in global environmental politics and what consequences and risks this brings are heavily debated. Some scholars argue that civil society are being disenfranchised from the global political arena while others seem to find them having influence in areas where they normally shouldn´t have any influence. In this this paper I will compare the Europan Union policy on GM
The global climate change negotiations are experiencing a rescaling of international actors. Several of these actors are scientific communities that aim at providing policy recommendations based on expert knowledge for the negotiations. The literature within the science-policy nexus is applied to investigate the significance of expert communities however the literature does not target environmenta
The society is constantly changing because of the globalization and the requirements of specialization increases. In regional growth policies regional expansion is advocated as a mean of increasing economic growth. Increased mobility is a prerequisite for regional expansion, something that conflicts with established climate and transport policy objectives. This essay examines how municipalities in
Post-Materialism is a theory introduced in the 1970's. Post-Materialism is set of values that is stated to have changed, foremost in industrial countries. This shift in values is predicted to lead to changes in attitudes, actions and the social structure, because those who prioritize Post-Materialist values are suggested to think and identify themselves differently. In this thesis, changes in
The objective of this thesis is the integration of the TRIZ-method (Altshuller) and the AAK-method (Roth)into the industrial design engineering process model and the validation of the integration by the industril design engineering project "Conceptual design of an armchair for elderly people".
Känneteckensrätten, vilken främst består av firma- och varumärkesrätt, syftar till att skydda innehavarens ensamrätt till ett kännetecken. Varumärken och firmor individualiserar de varor, tjänster eller verksamheter de betecknar. Kännetecknens främsta funktion är att garantera konsumenterna varans ursprung, den s.k. ursprungsfunktionen. Det finns dock en tendens till att allt mer se känneteckensrä
Kandidatprogrammet för personal- och arbetslivsfrågor vid Lunds universitet drivs i samverkan mellan sociologiska, psykologiska och handelsrättsliga institutionerna, varför ett tvärvetenskapligt angreppssätt blir naturligt i denna arbetsrättsliga kandidatuppsats. Domstolens juridiska problemlösningsmetod är till viss del konventions-, språk-, argumentations- och värderingsstyrd. Det blir då intres
Injuries and diseases of the hand naturally have an enormous impact on hand function and on quality of life, both occupational and social. The majority of hand-injury patients are under 30 years of age. Hand surgery, an established specialty in Sweden since 1969, is of great importance in terms of clinical developments, education and research. In the coming decade, scientific and clinical advances
