Sökning: "secondary interactions"

Visar resultat 11 - 15 av 307 avhandlingar innehållade orden secondary interactions.

  1. 11. Teaching photosynthesis in a compulsory school context : Students' reasoning, understanding and interactions

    Författare :Helena Näs; Christina Ottander; Sylvia Benckert; Jenny Lewis; Umeå universitet; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; teaching; primary and secondary school; plants; photosynthesis and respiration; Undervisning; mellan- och högstadiet; växter; fotosyntes och cellandning; Subject didactics; Ämnesdidaktik; didactics of natural science; naturvetenskapens didaktik;

    Sammanfattning : According to previous research, students show difficulties in understanding photosynthesis and respiration, and basic ecological concepts like energy flow in ecosystems. There are successful teaching units accomplished in this area and many of them can be described as inquiry-based teaching. LÄS MER

  3. 12. Fear and avoidance in the development of a persistent musculoskeletal pain problem : implications for secondary prevention

    Författare :Katja Boersma; Steven Linton; Johan Vlaeyen; Geert Crombez; Örebro universitet; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Psychology; pain-related fear; fear-avoidance model; back pain; disability; development; exposure; Psykologi; Psychology; Psykologi; Psykologi; Psychology;

    Sammanfattning : This dissertation focused on the role of fear and avoidance in the development of a persistent back pain problem. The first aim of this dissertation was to study when and how cognitive, affective and behavioral factors influence one another in the development of persistent pain and disability. LÄS MER

  4. 13. Malaria and relapsing fever Borrelia : interactions and potential therapy

    Författare :Jenny Lundqvist; Cathrine Persson; Antonio Barragan; Umeå universitet; []
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Malaria; Plasmodium; relapsing fever; Borrelia; persistent; concomitant infections; polyamines; Molecular biology; Molekylärbiologi; Microbiology; immunology; infectious diseases; Mikrobiologi; immunologi; infektionssjukdomar; molekylär bioteknik inst f molekylärbiologi ; molecular biotechnology dept of molecular biology ; Infectious Diseases; infektionssjukdomar;

    Sammanfattning : Infectious diseases such as malaria and relapsing fever borreliosis (RF), cause severe human mortality and morbidity in developing countries. Malaria, caused by Plasmodium spp. parasites, is estimated by the World Health Organization to cause 1.5-2. LÄS MER

  5. 14. Interactions between natural enemies and the dioecious herb Silene dioica

    Författare :Viktoria Pettersson; Barbara E. Giles; Lars Ericson; Pia Mutikainen; Umeå universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Silene dioica; Delia criniventris; Caryocolum viscariella; Microbotryum violaceum; plant-herbivore interactions; plant -pathogen interactions; sex bias; sex rato; successional gradients; fitness effects; Skeppsvik Archipelago; Terrestrial ecology; Terrestisk ekologi; ekologisk botanik; Ecological Botany;

    Sammanfattning : About 6% of all angiosperms are dioecious. This separation of sexual function to male and female individuals, and the fundamentally different patterns of reproductive resource allocation that follows that separation, are thought to have important ecological and evolutionary consequences for plant enemy interactions. LÄS MER

  7. 15. Meeting the other and oneself : experience and learning in international, upper secondary sojourns

    Författare :Åsa Perez-Karlsson; Karin Sporre; Anna Larsson; Ninni Wahlström; Umeå universitet; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Sojourns; international; Intercultural; experience; Learning; Sweden; Chile; Upper Secondary; pedagogiskt arbete; educational work;

    Sammanfattning : The aim of the study was to investigate into and characterise students’ experiences of learning from their having taken part in an international upper secondary exchange in an intercultural context. Focusing on educational and intercultural dimensions, the thesis contributes knowledge of the implications of increasing internationalization and student mobility in education. LÄS MER