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- Johansson, Erika, 1969, et al.
(author)
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Towards Sustainable Conservation and Use of Materials in Built Environments : Summary from the FORSCENE workshop: Industry/Economy, Vienna, October 23-24, 2006
- 2007
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In: Giljum, S., Hinterberger, F., Hammer, M. (Eds.), Report from the FORSCENE workshop Industry-Environment, Sustainable Europe Research Institute (SERI), Vienna, October 2006, Part 2..
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Conference paper (other academic/artistic)abstract
- Up until today, no comprehensive efforts have been made, and principles are yet to be established for the ‘sustainable conservation’ of the built environment – in an inter- and transdisciplinary manner, including systematic integrative modelling and an appreciation of the inherent values of already existing structures and ambiences. Existing built structures and environments are still often seen as obstacles for sustainable development. It may be argued that a more preventive and integrated approach, i.e. an early estimation and a meta-level understanding of the built environment and its processes; its critical loads, inherent qualities, values, threats, life cycles, production chains, recyclability and quantities etc., would rather promote any kind of planning for a sustained future and the proper use of materials by hindering unnecessary material flows - i.e. through their unnecessary/unsympathetic production, exploitation and/or use, that would minimise their negative impact on peoples lives and the environment. This alternative and more preventative approach - earlier the predominant way of handling urban planning, construction and development (i.e. the production and utilisation of both existing and planned for resources, e.g. by the use of high quality production technologies and crafts, processes and skills), was historically much based on the valorisation of costs of manpower, materials, traditional knowledge, techniques and low-energy modes of transportation, compared to modern circumstances. There was also a profound knowledge of economics in more general terms and a well-developed forecasting of future scenarios. Given the demands for a sustained future, it would be reasonable to assume that this knowledge and approach would have a great deal to offer also to the planning and epistemological modelling of our times.
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| 5. |
- Johansson, Erika, 1969, et al.
(author)
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Towards Sustainable Conservation and Use of Materials in Built Environments
- 2007
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In: Giljum, S., Hinterberger, F., Hammer, M. (Eds.), Report from the FORSCENE workshop Industry-Environment, Sustainable Europe Research Institute (SERI), Vienna, October 2006, Part 2..
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Conference paper (other academic/artistic)abstract
- Up until today, no comprehensive efforts have been made, and principles are yet to be established for the ‘sustainable conservation’ of the built environment – in an inter- and transdisciplinary manner, including systematic integrative modelling and an appreciation of the inherent values of already existing structures and ambiences. Existing built structures and environments are still often seen as obstacles for sustainable development. It may be argued that a more preventive and integrated approach, i.e. an early estimation and a meta-level understanding of the built environment and its processes; its critical loads, inherent qualities, values, threats, life cycles, production chains, recyclability and quantities etc., would rather promote any kind of planning for a sustained future and the proper use of materials by hindering unnecessary material flows - i.e. through their unnecessary/unsympathetic production, exploitation and/or use, that would minimise their negative impact on peoples lives and the environment. This alternative and more preventative approach - earlier the predominant way of handling urban planning, construction and development (i.e. the production and utilisation of both existing and planned for resources, e.g. by the use of high quality production technologies and crafts, processes and skills), was historically much based on the valorisation of costs of manpower, materials, traditional knowledge, techniques and low-energy modes of transportation, compared to modern circumstances. There was also a profound knowledge of economics in more general terms and a well-developed forecasting of future scenarios. Given the demands for a sustained future, it would be reasonable to assume that this knowledge and approach would have a great deal to offer also to the planning and epistemological modelling of our times.
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- Rosengren, Calle, 1976-, et al.
(author)
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From white dress to white collar : a historical perspective on the hospital ward administrator
- 2007
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In: Aili, C., Nilsson, L-E., Svensson, L.G., Denicolo, P. (eds), In tension between organization and profession. - Lund : Nordic Academic Press. - 9789185509027 ; , s. 155-167
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Book chapter (other academic/artistic)
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| 7. |
- Löfhede, Johan, et al.
(author)
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Classification of burst and suppression in the neonatal electroencephalogram
- 2008
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In: Journal of Neural Engineering. - : Institute of Physics Publishing Ltd.. - 1741-2560 .- 1741-2552. ; 5:4, s. 402-410
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Journal article (peer-reviewed)abstract
- Fisher's linear discriminant (FLD), a feed-forward artificial neural network (ANN) and a support vector machine (SVM) were compared with respect to their ability to distinguish bursts from suppressions in electroencephalograms (EEG) displaying a burst-suppression pattern. Five features extracted from the EEG were used as inputs. The study was based on EEG signals from six full-term infants who had suffered from perinatal asphyxia, and the methods have been trained with reference data classified by an experienced electroencephalographer. The results are summarized as the area under the curve (AUC), derived from receiver operating characteristic (ROC) curves for the three methods. Based on this, the SVM performs slightly better than the others. Testing the three methods with combinations of increasing numbers of the five features shows that the SVM handles the increasing amount of information better than the other methods.
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- Ferdos, Fariba, 1966
(author)
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InAS Quantum Dots for Laser Applications and Pedogogical, Gender, and Multicultural Aspects in Engineering Education
- 2005
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Doctoral thesis (other academic/artistic)abstract
- This thesis builds on new cross-disciplinary research between engineering and educational sciences. Recently, two other theses that combine research in physics and education (Åke Ingerman, 2002, and Tom Adawi, 2002) have been completed in Sweden. This thesis consolidates a trend that can benefit both disciplines. It is similar to the other theses in that it focuses on engineering education and investigates knowledge formation in a scientific subject. It differs in that the scientific study concerns a different area of physics. Its original contribution is that it focuses on the pedagogical, socio-cultural and gendered context in which learning in engineering education takes place and does so by means of a cross cultural, autobiographical case study and three action research projects. These projects deal with a pedagogy of e-learning (paper E), developing generic capabilities in online learning (papers C and E), learning in groups (papers B and G) and gender equity in physics (paper D). The thesis is divided into two parts. The study in engineering science (photonics) was successfully defended at the licentiate level and is reported in appended paper A and in published articles (papers H to M). The pedagogical study in engineering education is reported in the following chapters and in papers B to G.The scientific engineering study concerns the development of InAs Quantum Dot (QD) structures on GaAs substrate for 1.3 μm laser applications and investigations of how structural and optical properties of InAs QDs depend on the growth conditions and the choice of pre-layer and cap materials. Growth conditions for the best luminance intensity and line width were found for substrate temperatures (500-520oC) and nominal InAs layer thickness (3.3-3.7 monolayers). It was found that the QD size was considerably reduced during initial GaAs capping, resulting in a blue-shift of the emission wavelength. The density of the QDs also reduces significantly during GaAs capping. Using an Al-containing cap layer the size reduction can be suppressed, and therefore a longer emission wavelength can be obtained. The density of QDs can also be increased. Furthermore, introducing a thin InAlAs cap layer resulted in 1.3 μm emission with a large energy separation between the ground and the first excited state transmission. A record transition energy separation of 108 meV was demonstrated.
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