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A method to estimate Q and QZ' of antennas from single-frequency current distributions is described. This single-frequency method and the concepts of physical bounds on antenna parameters and optimum current distributions are applied to different analysis and design situations of two-dimensional and three-dimensional radiating structures (i.e., antennas). The situations considered are: antenna opt
This page provides information about travel expenses, subsistence allowance and meal deductions. New rules for receipts and attachments in Primula 1 January 2026All documents related to expense or travel claims (receipts, invoices, programmes, participant lists, currency exchange receipts, etc.) must be attached digitally in Primula. PDF/A format is recommended as the format needs to be durable. F
Karlotta J. Blöndal born 1973 Education Malmö Art Academy, MFA 2002 Icelandic Art Academy, BA, 1998 Arnhem Art Academy, exchange student, 1997 Group exhibitions 2015 Mörk / Threshold, LÁ Art Museum, Iceland The expedition to the Magic Mountain, at the NLFÍ in Iceland Mót / Print, at Center for Icelandic Art, Reykjavík 2014 Þras(t)astaðir I, Mjólkurbúðin, Akureyri, Iceland Art in translation, cofer
https://www.khm.lu.se/sites/khm.lu.se/files/2002cv_karlotta_blondal.pdf - 2026-05-16
In the present thesis, analytical sample pre-treatment methods for the determination of trace metal ions in complex matrices were developed and tested. These methods were based on membrane fractionation, clean-up and enrichment of analytes and applied to the determination of aluminium, cadmium, cobalt, chromium, copper, nickel and lead in biological and environmental samples. In one application d
The topic dealt with in this thesis is whether, as Wieder and Kaplan (1969) suggest, the personality of drug addicts is related to their particular drug of choice. The subjects were 128 heavy drug addicts, 37 women and 91 men, each of them selected for the fact of there being one basic drug he/she abused. The drug of choice was either heroin (30 women, 52 men), amphetamine (7 women, 32 men) or can
The purpose of this study is to develop a frame of reference within which formal control system performance measures can be described and their design and use can be analyzed for control systems in municipalities. From a cybernetic control approach measures are used as instruments to plan and gain feedback from employee actions, and adjust them to the internal and external environment of which the
This thesis contributes to mathematics, finance and computer simulations. In terms of mathematics this thesis concerns applied probability and Lévy processes and from the financial point of view the thesis concerns derivative pricing. Within these two areas several simulation techniques are investigated. The thesis is organized as follows. The first two chapters are to be considered as reviews on
This thesis concentrates on bioenergy (or biomass utilised for heat, electricity and fuels for transport) as a renewable energy with significant potentials and options. Biomass can be considered as 'stored' solar energy because the process of photosynthesis 'captures' energy from the sun in growing plants. Bioenergy systems under the 'right' conditions can greatly contribute to climate mitigation,
Like all divination, Hindu astrology (jyotisa) is concerned with central religious issues such as man’s relation to the world, moral responsibility, and the revelation of a coherent divine order underlying human experience. Comprising a descriptive as well as a prescriptive aspect, jyotisa allows for both prediction and the exercise of free will. This double nature enables a seamless
The crossing rate of a stationary random process is a valuble tool when studying crest hight distributions and maxima of sea level elevation. This thesis considers two approximation techinques for cases when the crossing rate cannot be exactly computed. Both techniques use an asymptotic expansion, and the first and second order terms in these expansions are given explicitly. Paper A describes how
Two Quantitative Risk Analysis (QRA) methods are presented which can be used to quantify the risk to occupants in, for example, a building in which a fire has broken out. The extended QRA considers the inherent uncertainty in the variables explicitly. The standard QRA does not consider the uncertainties in the variables and must be complemented by a sensitivity analysis or an uncertainty analysis.
This thesis explores the various influence processes that take place in connection with the dawn of a new theme - the environment - in today's society. Society has declared that schools, a place designed for the intentional influence of children and youths, shall utilise the new environmental theme in its practice. It focuses on the initiation process of the environmental theme in schools from the
Compulsory treatment and care is regulated by the Care of Alcoholics and Drug abusers Act (Lag (1988:870) om vård av missbrukare i vissa fall, LVM). The regulation's main purpose is to motivate persons with addictive problems to voluntarily participate in the treatment of their problems. The compulsory care shall continue for a maximum period of six months in special treatment centres (the so-call
This thesis is about the importance of context to learning processes in computer-supported flexible education. The purpose is to develop knowledge about how students in an upper secondary class experience and act in a computer-supported flexible educational environment and how the experienced context affects the students' learning processes. An ethnographic application involving theories of learni
Decolonizing the Viking Age 1 argues that the Scandinavian “Viking Age” can be seen as a system of knowledge constructed in the late 19th century and in its basic structures maintained up to the present day. This system of knowledge was heavily influenced by the nationalistic and evolutionary ideas of its time of making and may be described as a colonialism of the past. The book follows the making
