Global ETD Search
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Showing 1 to 7 of 7 for “"Lífeðlisfræði"”.
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Áhrif kjarnfóðurs í stað mjólkur á vöxt og þroska smákálfa
Markmið þessa verkefnis var að skoða áhrif kjarnfóðurs í stað mjólkur á vöxt og þroska smákálfa. Í verkefninu voru 32 kálfar sem skipt var upp í 8 meðferðahópa og voru 4 kálfar í hverjum hóp. Þrjár tímalengdir mjólkurskeiðs voru prófaðar og tveir mismunandi mjólkurduftsstyrkir (155g/L, 200g/L). …
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Otolith-based discrimination of cod ecotypes and the effect of growth rate
Kvarnalögun hefur áður verið notuð til greiningar vistgerða innan íslenska þorskstofnsins og sterkra áhrifa vaxtarhraða á kvarnalögun ítrekað gætt í ýmsum tegundum fiska. Með það markmið að rannsaka áhrif vaxtarhraða á tengsl kvarnalögunar og vistgerða þorsks (skilgreindar með breytileika á Pan I …
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The impact of virtual environment on physiological reactivity and perceived physiological arousal among students with public speaking anxiety and the mediating role of safety behaviors
The overarching goals of the present study were to examine whether individuals with high levels of public speaking anxiety (PSA) would demonstrate higher physiological reactivity and perceive higher physiological arousal to public speaking in a virtual reality (VR) environment than individuals with …
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Áhrif örverusmits, áburðargjafar og gróðursetningarstaða á lifun og æskuvöxt alaskaaspar og stafafuru
Afföll í nýskógrækt á Íslandi eru töluverð og er því sífellt unnið að því að bæta lifun skógarplantna. Meðal þess sem skiptir máli er réttur undirbúningur lands, val á vaxtarstöðum, áburðargjöf, tegundaval og plöntugæði. Í þessari rannsókn voru athuguð áhrif jarðvegssmits úr skógi og lúpínubreiðu, …
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The design and numerical analysis of a microfluidicssystem for osteogenic differentiation of mesenchymal stemcells.
Growing old is one of the hallmarks of the human experience and is characterized byfunctional, biochemical and morphological changes in the human body. While theaverage lifespan has been steadily rising over the last decades, unfortunately, the healthspan of the population has not followed the same …
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Using virtual reality and kinematic measurements to assess the interplay between motion sickness, neck pain, heart variables and postural control response
Motion sickness and neck pain can affect the postural control of individuals. During motion sickness, sensory systems are disrupted and can lead to impaired postural control. However, regarding neck pain, the condition of the cervical muscles can affect how well individuals can maintain balance. …
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Lífaflfræðilegar mælingar og hreyfimat á hálsvöðvum einstaklinga sem hafa fengið höfuðhögg
Experiencing a concussion has resulted in about 10-25% of people developing Post-Concussion Syndrome (PCS), after their symptoms have not resolved within weeks following impact. Currently, there is no clear physical explanation for PCS. One proposed explanation for the persisting symptoms of PCS is …