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This paper focuses on the transient behavior of a solid oxide fuel cell system used for stationary power production. Dynamic modelling is applied to identify the characteristic time scales of the system components when introducing a disturbance in operational parameters of the system. The information on the response of the system may be used to specify the control loops needed to manage the change

Popular Abstract in Swedish Inom nervsystemet finns det i huvudsak två kontrollsystem: dels det somatomotoriska nervsystemet som reglerar skelettmuskulatur, dels det autonoma nervsystemet som reglerar aktivitet hos hjärta, glatt muskulatur (t.ex. blodkärl och mag-tarmkanalen) och körtlar. ?Autonom? betyder självständig och syftar till att det autonoma nervsystemet (ANS) i huvudsak inte är viljestyRespiratory sinus arrhythmia (RSA) refers to heart rate variations due to respiration, which results from parasympathetic nervous system activity mediated via the tenth cranial nerve, the vagus. Thus, the magnitude of RSA is considered as an index of cardiac vagal tone. This thesis explored RSA during emotional responding in healthy women and men. In the first two studies fear-relevant pictorial s

Since the early 1980s, rapidly internationalizing start-ups have captured attention of the academia, media and institutions. These ’born global’ firms seem to disregard the traditionally established views of firm internationalization. In spite of the significant resource limitations, they manage to reach international markets rapidly and keep their competitive position in the long term, running ag

In this paper an online method for automatically reducing complex chemical mechanisms for simulations of combustion phenomena has been developed. The method is based on the Quasi Steady State Assumption (QSSA). In contrast to previous reduction schemes where chemical species are selected only when they are in steady state throughout the whole process, the present method allows for species to be se

An experiment was performed to investigate the behavior of inclined negatively buoyant jets. Such jets arise when brine is discharged from desalination plants and improved knowledge of their behavior is required for designing discharge systems that cause a minimum of environmental impact on the receiving waters. In the present experiment, a turbulent jet with a specific salinity was discharged t

This chapter addresses the question of the growth of accuracy and complexity in L2 French from the perspective of developmental sequences of morphosyntax, developmental stages and linguistic profiling. We examine the systematic growth of morphosyntactic features expressed by the learner during the acquisition process (sequences). Furthermore, we investigate the relatedness of different development