1021. |
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1022. |
- Ståhl, Magnus, 1973-
(författare)
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Improving Wood Fuel Pellets for Household Use : Perspectives on Quality, Efficiency and Environment
- 2008
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Doktorsavhandling (övrigt vetenskapligt/konstnärligt)abstract
- Bioenergy is one of many contributors to reducing the use of fossil fuels in order to mitigate climate change by decreasing CO2-emissions, and the potential for biofuels are large. The wood fuel pellets are a refined biofuel made of sawdust, which is dried and compressed to achieve improved fuel and transportation properties. In 2007 the amount of wood fuel pellets used for heating purposes in Sweden was 1715000 tons. The aims of this work was: to examine the moisture content and emission of monoterpenes during the drying and pelletising steps of the pellets production (Paper I); to investigate how the recirculation of drying gases affects the energy efficiency of rotary dryers and how the energy efficiency is related to the capacity of the dryer. (Paper II); to analyse the causes of the problems encountered by household end-users of pellets and investigate whether an improved pellet quality standard could reduce these problems (Paper III); to investigate how the energy consumption of the pelletising machine and chosen pellet quality parameters were affected using an increased amount of rapeseed cake in wood fuel pellets (Paper IV); and to identify gaps of knowledge about wood fuel pellet technology and needs for further research on quality, environmental and health aspects throughout the wood fuel pellet chain, from sawdust to heat. (Paper V).
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1023. |
- Subramanian, Sankara P., et al.
(författare)
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Autonomous Platform for Mobile Agents
- 2008
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Ingår i: Proceedings of The 1st Workshop on Wireless Broadband Access for Communities and Rural Developing Regions (WIRELESS4D'08, co-located with M4D 2008). - Karlstad : Karlstad University. ; , s. 137-137
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Konferensbidrag (refereegranskat)
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1024. |
- Sundberg, Carina, 1959-
(författare)
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Här är rymlig plats : Predikoteologier i en komplex verklighet
- 2008
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Doktorsavhandling (övrigt vetenskapligt/konstnärligt)abstract
- The purpose of this dissertation is to understand the complexity of the preaching event as communication from a theological point of view in order to increase the awareness of this complexity. I see theology of preaching as a way of reducing the complexity, to making the complexity visible. I study the contemporary preaching theologies that Eberhard Jüngel, Mary Catherine Hilkert, W. Paul Jones and Rebecca S. Chopp construct. They reduce the complexity of the preaching event to understand it better, and by doing so they make the complexity visible. In the introduction I discuss some factors that make the preaching event complex:- the complexity of human interactive communication in general; that preaching is thought to be an event in which God communicates and the ambigous use of signs for the purpose of communication. I give a brief background to this homiletical situation, by describing some patterns in the linguistic and postmodern turns. The method of this study is a reduction of the complexity of the preaching theologies that I present. To do this I use the words situation (the human situation in the preaching situation), event (the salvatory event that the preaching event is thought to be a part of) and function ( the function of the sermon) and their interrelationship. The sermon is thought to get it´s function in the situation as a part of the event. I also discuss some consequenses of the specific theology of preaching and the view of the preacher; the church and liturgy; the Biblical texts; and the language, form and content of the sermon. The main part of the study consists of the anlysis of the four reductions of complexity, and their different prespectives on preaching, where Jüngel uses the doctrine of justification by faith to give structure to thought, Hilkert uses sacramental and dialectic imagination, Jones uses a typology of five theological worlds and Chopp use the metaphor text/margin to give structure to thought. I present the four theologies of preaching as a polyphonic voice, that makes us aware of the complexity of the preaching event. They constribute to the important theological conversation about preaching in our complex reality.
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1025. |
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1026. |
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1027. |
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1028. |
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1029. |
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1030. |
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