Discontinuous bifurcations of an elastic-plastic material obeying Mohr's yield criterion and a nonassociated flow rule and subjected to general three-dimensional loading are investigated. The first possibility for bifurcation is identified and expressed in terms of the critical hardening modulus and the corresponding orientation of the slip planes. In the case of perfect plasticity the Mohr and Ro

This paper presents, for the first time, non-contact acoustic trapping of cells in a microfluidic format. The employed acoustic force maintains the cells in the center of a fluidic channel while allowing for perfusion of e.g. nutrients or drugs as well as optical monitoring of the cells. Neural stem cells have been acoustically trapped and tested for viability after 15 minutes of ultrasonic radiat

This thesis contains two different aspects of my research work towards physics in proton-proton collisions in the ATLAS experiment at the LHC. The first part is focused on the understanding and developing of a calibration system to obtain the best possible charged particle reconstruction in the Transition Radiation Tracker. The method explained in this thesis is the current calibration technique u

Popular Abstract in Swedish Polymerelektrolytbränslecellen utmärker sig som en framtida effektiv och miljövänlig kraftkälla för bland annat fordon. Den bakomliggande teknologin är dock komplex och grundar sig till stor del på material och komponenter som kräver ytterliggare utveckling. En av de största hindren för bränslecellsteknologins utveckling är kravet på nya, långlivade och billiga polymermThe proton exchange membrane fuel cell (PEMFC) is currently emerging as an efficient and environmentally friendly power source. The technology is very complex and relies ultimately on materials and components which need further development. One of the major hurdles for advancing the PEMFC technology is currently the demand for new durable low-cost polymeric membranes that will allow fuel cell oper

This demonstration presents a highperformance syntactic and semantic dependency parser. The system consists of a pipeline of modules that carry out the tokenization, lemmatization, part-of-speech tagging, dependency parsing, and semantic role labeling of a sentence. The system’s two main components draw on improved versions of a state-of-the-art dependency parser (Bohnet, 2009) and semantic role l

Design Thinking is a rather new concept for increasing innovation capabilities in organizations. Organizational Development is a concept from the 1950s aiming at modernizing organizations through participatory methods. As organizations struggle with constant change and to become more innovative we will compare and discuss design thinking and organizational development and explore what we can learn

The AIDS crisis in the developing world has become a priority for international collaboration. The challenge is to find a balance between the acknowledged need to protect large investments expended in developing new medicines and the goal of providing essential medicines to poor countries. Patent protection must prevent undue infringement yet at the same time allow solutions to humanitarian needs.

Abstract in Norwegian Boken omhandler både kreative metoder som er lite brukt, men som har vist seg å være svært nyttige til bestemte studieformål, og noen av de vanligste og mest brukte metodene i samfunnsvitenskapen. Målet med boken er todelt. For det første å gi en innføring i hver enkelt metode i seg selv. For det andre å vise hvilke muligheter som åpner seg når de ulike metodene kombineres. F

There are two major types of diabetes, type 1 and type 2 diabetes. Similarly characterized by hyperglycaemia and long term micro- and macrovascular complications, type 1 and type 2 diabetes have different underlying pathophysiologic processes. In Scandinavia, type 1 diabetes is common; type 2 diabetes accounts for 85% of all cases with diabetes. There is emerging evidence that type 1 and type 2 di