Sökning: "behaviour tests"

Visar resultat 1 - 5 av 421 avhandlingar innehållade orden behaviour tests.

  1. 1. Characterisation of social behaviour in red junglefowl and White leghorn laying hens : phenotypic and genetic studies

    Detta är en avhandling från Linköping : Linköpings universitet

    Författare :Johanna Väisänen; Linköpings universitet.; Linköpings universitet.; [2005]
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Red junglefowl; social behaviour; behaviour tests; NATURAL SCIENCES; NATURVETENSKAP;

    Sammanfattning : The objective of this thesis was, by using two model strains of chicken, red junglefowl and White Leghorn layer, to study differences in social behaviour of the species that could be derived from domestication and production related selection processes. The social phenotype characterisation was done to be able to further study the association of the social differences to specific production related traits as well as to certain genome areas in intercross and backcross lines generated from these two parental populations. LÄS MER

  2. 2. Selective serotonin re-uptake inhibitors in the environment Effects of citalopram on fish behaviour

    Detta är en avhandling från Huddinge : Södertörns högskola

    Författare :Martin Kellner; Södertörns högskola.; Södertörns högskola.; [2017]
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Citalopram; SSRI; stickleback; Baltic; behaviour; fish; feeding; anxiety; boldness; serotonin; development; Storspigg; serotonin; östersjön; SSRI; läkemedel; miljö; citalopram; ätbeteende; beteende; utveckling; Environmental Studies; Miljövetenskapliga studier; Östersjö- och Östeuropaforskning; Baltic and East European studies;

    Sammanfattning : Selective serotonin re-uptake inhibitors (SSRIs) are a class of anxiolytic and anti-depressant drugs. SSRIs act on the evolutionarily ancient serotonergic system which is virtually identical throughout the vertebrate phylum. LÄS MER

  3. 3. Sustainability and Flexural Behaviour of Textile Reinforced Concrete

    Detta är en avhandling från Chalmers University of Technology

    Författare :Natalie Williams Portal; Chalmers tekniska högskola.; Chalmers University of Technology.; [2013]
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Textile Reinforced Concrete; TRC; sustainability; flexural behaviour; Life Cycle Assessment LCA ; facade elements; structural tests; non-linear finite element analyses;

    Sammanfattning : Concrete reinforced with conventional steel is one of the most commonly used building materials, yet it has historically shown disadvantages in terms of durability and vulnerability to corrosion attack. Various remedial methods have been applied to overcome the shortcomings of this building material, such as increasing the concrete cover, which, however, leads to an increased self-weight of the structure. LÄS MER

  4. 4. Mechanical anchorage of prestressed CFRP tendons theory and tests

    Detta är en avhandling från Luleå : Luleå tekniska universitet

    Författare :Anders Bennitz; Luleå tekniska universitet.; [2008]
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Structural Engineering; Konstruktionsteknik;

    Sammanfattning : Fibre Reinforced Polymers (FRPs) are slowly becoming important materials to consider also for a structural engineer. They are light-weight, insensitive to corrosion and have highly modifiable mechanical properties. LÄS MER

  5. 5. Structural Behaviour of Concrete Railway Sleepers

    Detta är en avhandling från Chalmers University of Technology

    Författare :Rikard Gustavson; Chalmers tekniska högskola.; Chalmers University of Technology.; [2002]
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Samhällsbyggnadsteknik och arkitektur; Civil engineering and architecture; sleeper; dynamic loads; bond; strand; bond mechanism; concrete; three-wire strand; pull-through tests; steel encased; push-in tests; finite element analysis; numerical bond model;

    Sammanfattning : The railway concrete sleeper is an important part of the railway track structure. The sleeper member requires substantial engineering skills during the design and manufacturing process in order to fulfil the requirements set by modern train traffic. LÄS MER