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Grinding or shaving - economic decision support in the production of gears

This paper describes a case study at an automotive company with the purpose ov developing an economically based decision support tool, for strategic decision about wheather to chose grinding or shaving as a finishing method in gear manufacturing. In the study different cost models are compared regarding input parameters in alignment with the required input data required to make a decision. With th

Model-Based Course Assessment – Principles and Practice

This paper presents the concepts of model-based course assessments. This involves a mathematical model to define the grading scheme of a course, based on a set of items to be scored. We report lessons learned from using this approach. An important conclusion is that model-based assessment promotes clear definitions of assessment criteria.

How do different combinations of the number of diseases and experienced symptoms relate to life satisfaction in 80-year-olds?

Objectives: This study explores how different combinations of the number of diseases and experienced symptoms are related to life satisfaction in a population of 296 eighty-year-olds in southern Sweden. Methods: Three different models, visualizing different health profiles, in the form of reported number of diseases and number of experienced symptoms in different combinations were created and are

Yeasts as cellular factories: Saccharomyces cerevisiae strains with improved inhibitor-tolerance to furaldehydes via a mutant alcohol dehydrogenase- and- Human ameloblastin production in Pichia pastoris

Several yeast species, usually engineered by humans in order to produce compounds of biotechnological interests, are currently used as cellular factories. This thesis presents two main themes. In the first, Saccharomyces cerevisiae is used for bio-ethanol production from lignocellulose hydrolysates and in the second Pichia pastoris is used for the heterologous expression of human ameloblastin. Th