Sökning: "I Persson"

Visar resultat 36 - 40 av 501 avhandlingar innehållade orden I Persson.

1. 36. Elbesparing med pelletkaminer och solvärme i direktelvärmda småhus

   Författare :Tomas Persson; Högskolan Dalarna; []
   Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Pellet; Pellets; Kaminer; Småhus; uppvärmning; Solvärme; Elvärme; konvertering; Biobränsle; Systemlösningar;

   Sammanfattning : The aim of this study was to investigate how electricallyheated houses can be converted to using wood pellet and solarheating. There are a large number of wood pellet stoves on themarket. Many stoves have a water jacket, which gives anopportunity to distribute the heat to domestic hot water and aradiator heating system. LÄS MER

3. 37. Kungamakt och bonderätt : om danska kungar och bönder i riket och i Göinge härad ca 1525-1640

   Författare :Stefan Persson; Historia; []
   Nyckelord :HUMANIORA; HUMANITIES; De-centralised structure; Inter-dependence; Topography; Border region; Border defences; Identity; Militarisation; Centralisation; Social discipline; Historia; Politisk historia; Political history; Interaction; History;

   Sammanfattning : In the early-modern period, Danish peasants living on crown estates across the country found a profitable way of interacting with the crown and its representatives. The necessary co-existence of rulers and ruled was marked by inter-dependence, solidarity of interest, and inter-subjective resolution of conflict. LÄS MER

4. 38. Food Quality Effects on Zooplankton Growth and Energy Transfer in Pelagic Freshwater Food Webs

   Författare :Jonas Persson; Tobias Vrede; Peter Eklöv; Ellen van Donk; Uppsala universitet; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Ecology; elemental stoichiometry; phosphorus; polyunsaturated fatty acids; EPA; oligotrophic lakes; empirical modelling; Daphnia; Cladocera; Copepoda; Ekologi;

   Sammanfattning : Poor food quality can have large negative effects on zooplankton growth and this can also affect food web interactions. The main aims of this thesis were to study the importance of different food quality aspects in Daphnia, to identify potentially important differences among zooplankton taxa, and to put food quality research into a natural context by identifying the importance of food quality and quantity in lakes of different nutrient content. LÄS MER

5. 39. Demokratiuppdrag och demokratiska arbetsformer i grundskolans mellanår : En demokratididaktisk studie med fokus på SO-undervisning

   Författare :Anna Henriksson Persson; Sara Irisdotter Aldenmyr; Getahun Yacob Abraham; Christina Osbeck; Karlstads universitet; []
   Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Grades 4-6; democracy mission; democratic working methods; social sciences; teacher; skolår 4-6; demokratiuppdrag; demokratiska arbetsformer; samhällsorienterande ämnen; lärare; Pedagogiskt arbete; Educational Work; Utbildning och lärande;

   Sammanfattning : This study deals with the democracy mission of school, in which democratic working methods are a central part. The aim is to contribute with knowledge about how teachers as professional actors construct meaning of and shape to the democracy mission of school. LÄS MER

7. 40. Sfärernas symfoni i förändring? Lärande i miljö för hållbar utveckling med naturvetenskaplig utgångspunkt. En longitudinell studie i grundskolans tidigare årskurser

   Författare :Christel Persson; Bengt Nihlgård; Søren Breiting; Linköpings universitet; []
   Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Science education; Learning in environment for sustainable development; Primary school; Earth System Science; Socratic dialogue; Integrated learning; Stimulated recall; Play and learning; Longitudinal study; NATURAL SCIENCES; NATURVETENSKAP;

   Sammanfattning : Symphony of the spheres in change? Learning in environment for sustainable development in primary school with a scientific and longitudinal approach.This research deals with learning in science, including learning in environment for sustainable development. LÄS MER