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An Impedance Tuning Unit (ITU) has the ability to tune the impedance of for instance the antenna to better match another impedance. To effectively characterize a circuit containing an ITU, several functions in a measurement system need to be remotely controlled. In this paper such a measurement system is described. A line tune screw creates impedances for the ITU to match and a digital acquisition

Sustainable development was defined by the Bruntland Comission as a 'development that meets the needs of the present without compromising the ability of future generations to meet their own needs' (WCED1 , 1987, p. 8). In the report 'Our Common Future' the Bruntland Commission proposed policies for a 'World Programme for Change' (WCED, 1987). At the UNCED2 , conference in Rio 1992, proposals were

This article explores the use of sustainability criteria for biomass as a tool to promote and safeguard sustainability of this product. Much attention is paid to the issues that sustainability criteria for biomass should consider. Among them the priority for food supply and food security, the emission reduction of green house gases (GHG) through the whole production chain, the preservation of area

A discussion about biographical methods and a comparision between my biography of Oscar I, swedish king 1844-1859, and my biographies of women in the 1900-th century.

This study considers detection of polyproline type II secondary structures from protein sequences. This difficult problem was handled with multilayer perceptron neural networks, which were found to be useful for such bioinformatics studies. Polyproline II secondary structures have not previously been tried to be predicted from sequences.

The gain profile of a quantum cascade laser is strongly influenced by the lifetime of the carriers in the upper and lower laser state. The quantitative description of gain within the concept of nonequilibrium Green's functions allows for a detailed understanding of various features affecting the gain spectrum: Compensation effects between scattering processes in the upper and lower laser level, re

Analysis of the system of criminal procedure in Sweden in light of the proposal for the establishment of a European Public Prosecutor's Office.

Strength grading of Norway spruce side boards in the wet state was investigated. For a sample of 58 boards of dimensions 25×120×3000 mm3, density and dynamic modulus of elasticity in the axial direction, MOEdyn, were determined in the wet state. The boards were then split into two parts and the procedure of determining MOEdyn was repeated both before and after the boards were dried to a target

Family caregivers in cancer and palliative care often face heavy responsibilities and feel insufficiently prepared for the situation as caregivers. This study evaluates short-term and long-term effects of a psycho-educational group intervention aiming to increase preparedness for family caregiving in specialized palliative home care.