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A set of 15 analog chest images was digitized with a high performance scanner and manipulated in terms of noise and resolution to yield three sets of images; the original plus two with different noise and resolution properties. These sets were evaluated with Visual Grading Analysis (VGA) where the observer rates the visibility of certain normal anatomical structures (as described by the European Q

Det finns önskemål från kommunens sida att öka det kommunala engagemanget hos medborgare i allmänhet och hos yngre medborgare i synnerhet. Detta kan vara allt från att engagera sig i upprättandet av en staty, till att anmäla en nedbrunnen grillplats. Datakonsultföretaget Abou AB har i samråd med vissa kommuner kommit fram till att en mobil applikation kan vara en möjlig kanal när det kommer till aProblem There is a desire by the municipalities to increase local involvement of citizens in general and of young citizens in particular. Computer consultancy firm Abou AB, in consultation with some of the municipalities, has concluded that a mobile application can be a possible channel when it comes to increasing the municipal engagement. Examples may be ranging from engagement in the question o

Purpose: The purpose of the thesis is to investigate whether the future development of the Digital Home creates incentives for Sony Ericsson to initiate an Open Source based platform strategy. Issues: The main issues presented: To create future scenarios of the Digital Home environment and describe its ecosystem of consumer electronics and mobile phones. To investigate the competitive advantage fo

This study examines nine adolescents’ idiosyncratic experiences of one family therapy session. The treatments took place in the settings of community family treatment centers in northern Stockholm. Adolescents are referred to treatment in these settings for various reasons, mostly due to criminal behavior, drug use or behavioral problems. Some enter treatment due to family relational problems or p

Economic evaluation in health care is still an evolving discipline. One of the current controversies in cost-effectiveness analysis regards the inclusion or exclusion of future non-medical costs (i.e. consumption net of production) due to increased survival. This paper examines the implications of a symmetry rule stating that there should be consistency between costs included in the numerator and

This thesis has two values. On one side, it aims at being a contribution to a betterunderstanding of the original concept of distributed economies. On the other side, it aspires atproviding useful decision criteria to those stakeholders that plan to locally develop a biogassystem.This thesis is developed from the Distributed Economies concept, which envisionsdecentralized, self-reliant and synergi

In the past decade, there has been significant interest in the potentially advantageous thermoelectric properties of one-dimensional (1D) nanowires, but it has been challenging to find high thermoelectric power factors based on 1D effects in practice. Here we point out that there is an upper limit to the thermoelectric power factor of nonballistic 1D nanowires, as a consequence of the recently est

This study presents the results of surgery in the elderly for primary hyperparathyroidism (PHPT) from a single institution's experience. We retrospectively analyzed 898 cases of surgically treated PHPT, divided into two groups: 135 elderly patients (A) and 763 patients younger than 65 years (B). PHPT was symptomatic in 68.8 per cent patients in group A and in 81.6 per cent in group B. Unilateral t

How do we perceive voices coming from different spatial locations, and how is this affected by emotion? The current study probed the interplay between space and emotion during voice perception. Thirty participants listened to nonverbal vocalizations coming from different locations around the head (left vs. right; front vs. back), and differing in valence (neutral, positive [amusement] or negative

A novel modified method for obtaining approximate solutions to difficult optimization problems within the neural network paradigm is presented. We consider the graph partition and the travelling salesman problems. The key new ingredient is a reduction of solution space by one dimension by using graded neurons, thereby avoiding the destructive redundancy that has plagued these problems when using s

Background: Increasing survival rates for pediatric brain tumor patients creates a greater need for neuropsychologic follow-up and intervention. The aim of this study was to evaluate rates of referral by medical doctors to neuropsychologic services and patient and treatment factors that differentiated referred and non-referred patients. Methods: Data were retrieved from medical records of all pedi

Application of mycorrhizal inoculum could be one way to increase the yield of rice plants, and reduce the application of fertilizer. We therefore studied arbuscular mycorrhizal fungi (AMF) in the roots of wetland rice (Oryza sativa L.) collected at the seedling, tillering, heading and ripening stages in four paddy wetlands that had been under a high-input and intensively irrigated rice cultivation

Popular Abstract in Swedish Denna avhandling handlar om en grupp narkotikamissbrukare som gjort självmordsförsök. Såväl självmord som självmordsförsök är betydligt vanligare bland narkotikamissbrukare jämfört med totalbefolkningen. Bland vårdade narkotikamissbrukare är det mellan 19 till 47 procent som gjort självmordsförsök. Det höga självmordsförsökstalet bland narkotikamissbrukare förklaras oftThe aim of this thesis is to describe suicide attempts in a group of drug abusers who previously had received treatment of their addiction. Another aim is to interpret and analyse the life situations that the individual associates with the suicide attempt. The dissertation is based on interviews conducted on two occasions with 92 drug abusers, 62 men and 30 women. The majority of the drug abusers

Ectomycorrhizal fungi play a key role in mobilizing nutrients embedded in recalcitrant organic matter complexes, thereby increasing nutrient accessibility to the host plant. Recent study have shown that during assimilation of nutrients, the ectomycorrhizal fungus Paxillus involutus decomposes organic matter using an oxidative mechanism involving Fenton chemistry (Fe(2+) + H2O2 + H(+) → Fe(3+) + •O

To compare the effectiveness of individual support, group rehabilitation and a combination of the two in improving health-related quality of life (HRQOL) and psychological well-being in cancer patients during 24 months after diagnosis, as compared with standard care (SC). Furthermore, to compare the study sample and a random sample of the Swedish population with regard to HRQOL. A total of 481 con