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The surface complex of Euglena gracilis. Involvement in cellular movements and biochemical and molecular analyses of the components

The flagellate Euglena gracilis shows rhythms in phototaxis and cell shape changes between oblong and round. Artificial UV-B radiation of 0.5 W m-2 caused a loss in phototaxis, but the peak of activity occurred at the same time as for control cells. The transition from round to oblong cell shape was slower after UV-B radiation, but the amplitude between the roundest and the most oblong cell shape

Krishantering, hushåll och stormen Gudrun : Att analysera hushålls krishanteringsförmåga och sårbarheter

Popular AbstractStörre kriser och katastrofer som stormen Gudrun och dess konsekvenser är sannolikt att vänta i framtiden. Det råder dock ovisshet om vilka kriserna kommer att vara och under vilka förutsättningar. Nya och kompletterande vetenskapliga studier och metoder inom kris- och katastrofforskningen måste till för att öka samhällets kunskap om och förmåga att hantera kända och okända hotbildSevere crises and disasters such as the Hurricane Gudrun and their consequences will probably occur in the future. However, there are many uncertainties concerning disasters and their effects. New scientific approaches and methods for crisis and disaster research must be developed to increase the knowledge and ability of societies to manage known and unknown threats. Substantial research on the em

Why do speakers accent ‘‘given’’ information?

The accenting of contextually 'given' information constitutes a problem for analyses that regard accents as correlating only with 'new' information. It will be shown that the accenting of 'given' information is explainable as resulting from general metrical well-formedness conditions on prosodic constituents. Units higher than the word are seen to obey the same metrical constraints that are presen

Practical advantages of inverted decoupling

This paper presents a study of the main advantages of inverted decoupling in 2×2 processes. Two simulation examples and an experimental process are used to show these advantages in comparison with simplified decoupling. The study focuses on the following practical advantages: the apparent process is the same as that obtained if one loop changes to manual; bumpless transfer and anti-windup are achi