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Recent advances in information technologies and an increased environmental awareness have altered the prerequisites for successful logistics. For companies operating on a global market, inventory control of distribution systems is often an essential part of their logistics planning. In this context, the research objective of this thesis is: To develop exact methods for stochastic inventory control
As the evolutionary responses to environmental change depend on selection acting on individual differences,disentangling within- and between-individual variation becomes imperative. In animalmigration research, multiyear tracks are thus needed to estimate the individual consistency of phenotypictraits. Avian telemetry studies have recently provided the first evidence of individuality acrossspace a
We report on the build-up of the new undulator beam line 1411 at the third-generation synchrotron radiation facility MAX II in Lund, Sweden. This beam line is based on an upgraded version of the modified SX700-monochromator and the end station which were installed previously at beam line 51 at MAX I. The end station is equipped with a rotatable Scienta hemispherical electron-analyser making angle-
Purpose – The purpose of this paper is to examine the influence that family factors have on an individual’s intention to be self-employed. Design/methodology/approach – The authors selected, from Swedish national registers, all full siblings born between 1945 and 1960 and their biological children, who were born before 1985. The authors created one family database consisting of male individuals (n
Edible colloidal particles, soft microgels, and plant based emulsifiers have recently been the focus of increasing research interest in the area of stabilization of food dispersions, and in particular emulsions and foams. These novel food ingredients have several added value functionalities such as providing exceptional physical and chemical stability, in addition to their basic function of preven
Background: Incisional hernia is one of the most common complications after laparotomy. The aim of this retrospective study was to investigate incidence, location and risk factors for incisional hernia after open resection for colorectal liver metastases including the use of perioperative chemotherapy and targeted therapy evaluated by computed tomography. Methods: Patients operated for colorectal
The integrity of the white matter is as important as that of the gray matter and white matter pathology has commonly been reported in elderly subjects and in patients with organic dementia. The aim of the present study is to develop and evaluate an improved method for reliable tomographic measurements of absolute white and gray matter blood flow. The new tomographic method (modified Xe-SPECT) is b
Climate change is an important new challenge for local authorities. This study analyses the potential for using the Swedish mandatory process for risk and vulnerability analysis (RVA) as a vehicle to improve local climate adaptation work. An advantage with RVA is its comprehensive approach in dealing with all relevant threats and all vital functions of society. In order to test the applicability o
Purpose: SCOPA-SLEEP is a rating scale for night-time sleep and daytime sleepiness (DS) proposed for use among people with Parkinson’s disease (PD) as well as others. We translated it into Swedish and assessed its psychometric properties in PD and age-matched healthy controls. Methods: Following translation according to the dual-panel approach, the Swedish SCOPA-SLEEP was field-tested regarding co
Based on an ethnography at the Swedish Public Employment Service, this paper offers a typology of how employees managed to obey tasks they would rather not perform. It is argued that earlier studies of workplace obedience have tended to focus on a single mood in which the actor obeys: despair, cynicism, or seduction. Here, the movement between these moods is analysed. To pass from despair to cynic
This article presents a new method for localization of multiple concurrent speech sources that relies on simultaneous blind signal separation and direction of arrival (DOA) estimation, as well as a method to solve the intersection point selection problem that arises when locating multiple speech sources using multiple sensor arrays. The proposed method is based on a low complexity non-parametric b
Cancer is one of the leading causes of death worldwide, but reliable diagnosis and staging can contribute to optimal treatment planning, and is a crucial factor in reducing mortality and maintaining quality of life. Soft tissue mechanical properties are promising indicators of cancer that can be assessed non-invasively using functional imaging. Additionally, lymphatic involvement is considered a k
Structural properties, independent of specific parameter values, can explain the robustness of biochemical systems. In this paper we consider the framework previously proposed by the authors to assess structural stability of biochemical reaction networks with monotone reaction rates, which considers systems in concentration coordinates, and we show that the results can be applied to systems in rea
This paper makes a case for using cost effectiveness (as opposed to efficiency) as key criterion when designing support policies for electricity generation from renewable energy sources in coexistence with an emissions trading scheme. Using the EU ETS and the German feed-in tariff system as examples, arguments against a stand-alone ETS are presented and necessary conditions for cost-effective supp
