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Abstract Customer demands for board adapted for their specific needs make a flexible production with many different qualities advantageous. The board quality changes can include a change in the composition or only a change in grammage. A grade change is a product quality change in a paper or board machine. Grade changes may however cause problems in the production. When changing the production fro
The worlds shipping must reach a 55 percent reduction in carbon dioxide by 2050. This is a massive challenge that will have an effect on every ship, every shipowner and every yard all over the world. At the same time, it appears to be challenging to implement new technologies and the transition is so far too slow for the industry to reach its target. The purpose of this study examines how shipping
The evaporative gas turbine (EvGT), also known as the humid air turbine (HAT) cycle, is a novel advanced gas turbine cycle that has attracted considerable interest for the last decade. This high-efficiency cycle shows the potential to be competitive with Diesel engines or combined cycles in small and intermediate scale plants for power production and/or cogeneration. A 0.6 MW natural gas-fired EvG
BACKGROUND: To investigate, in a rabbit model, the effect of two different doses of vigabatrin (VGB) on retinal function and morphology. METHODS: Twenty-nine rabbits of mixed strain were divided into two groups, receiving either high-dose (n = 15) or low-dose (n = 14) oral VGB treatment (cumulative dose 29.8 +/- 2.9 g and 14.2 +/- 0.6 g respectively). Ten rabbits receiving water served as control
The modeling of soot formation and oxidation under industrially relevant conditions has made significant progress in recent years. Simplified models introducing a small number of transport equations into a CFD Code have been used with some success in research configurations simulating a reciprocating diesel engine. Soot formation and oxidation in the turbulent flow is calculated on the basis of a
Our aim was to analyze retinal structure in young patients with Best disease with reference to future gene therapy. This was a retrospective observational spectral domain optical coherence tomography study of four patients aged 10 years or less with Best disease. Findings ranged from subtle thickening at the level of the retinal pigment epithelium-photoreceptor interdigitation line, to subretinal
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".
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
I samband med Ädelreformen öppnades möjligheter att införa Medicinskt ansvarig för rehabilitering (MAR) i den kommunala hälso- och sjukvården. Kunskapen om hur MAR påverkade arbetsterapeuter i deras arbete var outforskad. Syftet med denna studie var att undersöka hur arbetsterapeuter upplevde att MAR påverkade deras arbete och yrkesroll. Studien hade en kvalitativ design. Semistrukturerade intervj
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
Home mechanical ventilation (HMV) is increasingly used as a therapeutic option to patients with symptomatic chronic hypoventilation. There is, however, a paucity of solid data on factors that could affect prognosis in patients on home ventilation. In the present study, our aim was to study several factors in these patients with potential influence on survival. We examined 1526 adult patients from
To evaluate polyalkylimide as a possible vitreous tamponading agent. A 20-gauge pars plana vitrectomy and posterior vitreous detachment were performed in the right eye of six pigmented rabbits. Approximately 1 ml of viscoelastic gel, polyalkylimide (Bio-AlcamidA (R)) was thereafter injected into the vitreous space. Full-field ERG and intraocular pressure (IOP, Tonopen) was measured pre-and postope
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
