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This traceability report is based on information found in the literature, resent seminars and conferences about the subject and on two case studies made in the meat industry, and in the dairy-product industry. Several interviews were made along the value-chain to determine the traceability situation in the food industry in Sweden today. State of the art of traceability A traceability system is t
Extrasolar planets are found to be on orbits very different from those of the planets in the solar system. Gas-giant planets have been found on orbits tighter than that of the planet Mercury, often with very high eccentricities. These orbits are surprising; models of planet formation suggest that gas giants should be found on circular orbits with similar size to those of solar-system gas giants.
The spouse has been identified as a primary source of support for patients in coping with cancer. Therefore, attention must be given to problems faced by the spouses. In this study, 120 spouses were asked to fill in the Hospital Anxiety and Depression Scale and a questionnaire containing 51 items. A response rate of 83% was obtained. Eighteen percent scored as cases on the anxiety dimension and 6%
This paper provides a theoretical overview of the public-private partnerships for policy and concept development. We use a case study from Sweden of a road user charging development prject to explore institutional barriers to PPPs and to describe how a more informal co-operation not only brings added value to the project but also enables an ongoing innovation process which we hope will result in r
There are to be sure many reasons for studying Axel Oxenstierna’s correspondence. One is the open pictures you get of prominent contemporaries, and the fact that the judgements and reports you read can be free from wisdom after the event. You have thus an excellent opportunity to get a glimpse of the background to the initiatives and actions of those at the centre of power. In my paper I will di
We consider differential Riccati equations (DREs). These equations arise in many areas and are very important within the field of optimal control. In particular, DREs provide the crucial link between the state and the optimal input in the solution of linear quadratic regulator (LQR) problems. For the approximation of the solutions to DREs we consider the recently introduced splitting methods, wit
