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Háskóli Íslands: Síðast bætt við
Atriði 1721-1740 af 2499
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(Public Library of Science (PLoS), 2019-02-05)Central place foraging theory (CPF) has been used to predict the optimal patch residence time for air-breathing marine predators in response to patch quality. Humpback whales (Megaptera novaeangliae) forage on densely aggregated prey, which may induce ... -
(Departmento de Publicaciones del CSIC, 2018-12-20)Discarding fish has been a part of the fisheries for centuries but it has been very difficult to monitor how much is discarded, especially in areas where it is an illegal activity. In this study the ecological and economic effects of discarding were ...
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(Elsevier BV, 2018-11)Icelandic waters are very productive and the fisheries are economically important for the Icelandic nation. The importance of the fisheries has led to progressive fisheries management and extensive monitoring of the ecosystem. However, fisheries ...
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(American Geophysical Union (AGU), 1993-04-10)The 170 km South Iceland Seismic Tomography (SIST) profile extends from the west and across the Mid‐Atlantic Ridge spreading center in the Western Volcanic Zone and continues obliquely through the transform zone (the South Iceland Seismic Zone) to the ...
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(University of Iceland, School of Health Sciences, Faculty of Food Science and Nutrition, 2019-02)The aim of the thesis work was to identify and characterise different trypsin isoenzymes from a benzamidine-purified Atlantic cod (Gadus morhua) trypsin isolate. Another aim was to test the ability of cod trypsin to deactivate upper respiratory tract ...
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(European Network about Parents in Education, 2015)Students’ voices in research on parental involvement in schools are rather weak since many studies report only on opinions of parents and school personnel. This paper draws on findings from a study in 14 compulsory schools and uses data from ...
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(University of Iceland, School of Health Sciences, Faculty of Nursing, 2019-01-30)Background: The importance of promoting and protecting the normal physiologic processes of childbirth is supported by decades of research. Despite this, the use of obstetric interventions has increased rapidly over the past years. Hence, finding an ...
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(Georg Thieme Verlag KG, 2015-07-17)The genus Diphasiastrum includes at least 23 species distributed primarily across the northern temperate and subarctic areas of the world. These plants produce an array of lycopodium alkaloids, and some species such as Diphasiastrum complanatum have ...
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(Elsevier BV, 2019-04)The club moss family Lycopodiaceae produces a diverse array of bioactive lycopodium alkaloids (LAs). In particular, the alkaloid huperzine A (hupA) has grasped attention since it is a potent acetylcholinesterase inhibitor of medical interest in Alzheimer's ...
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(Georg Thieme Verlag KG, 2018-10-05)The alkaloids huperzine A and huperzine B were originally isolated from the Chinese club moss Huperzia serrata. They are known inhibitors of acetylcholinesterase, and especially huperzine A shows pharmaceutical potential for the treatment of Alzheimerʼs ...
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(MDPI AG, 2019-01-27)Neurodegenerative disorders, including Alzheimer’s disease, belong to the group of the most difficult and challenging conditions with very limited treatment options. Attempts to find new drugs in most cases fail at the clinical stage. New tactics to ...
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(Hugvísindastofnun Háskóla Íslands, 2018-09-05)Umfjöllun um undur og ógnir borgarsamfélagsins er að finna í rituðum heimildum af ýmsu tagi og frá öllum tímum. Hér birtist þýðing Ásdísar Rósu Magnúsdóttur á dagbókarbrotum frá París frá tímum hundrað ára stríðsins svokallaða, sem hófst árið 1337. Í ...
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(Hugvísindastofnun Háskóla Íslands, 2018-09-05)Einn þekktasti lofsöngur um höfuðborg Íslands, Reykjavík, er án efa kvæðið „Ó borg, mín borg“, eftir Vilhjálm frá Skáholti, sem Haukur Morthens gerði ódauðlegt um miðja síðustu öld. Til að veita því fjölmenningarlega samfélagi sem nú blómstrar á Íslandi ...
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(Hugvísindastofnun Háskóla Íslands, 2018-09-04)meðfylgjandi inngangsorðum er hugað að birtingarmyndum borga í sínum óendanlega margbreytileika. Fyrst er brugðið upp tilvitnunum í nýleg skrif lista- og fræðimanna hér á landi þar sem Reykjavík er skipað í öndvegi. Því næst er athyglinni beint að ...
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(University of Iceland, School of Engineering and Natural Sciences, Faculty of Life and Environmental Sciences, 2019-01-30)Intraspecific variation in egg size and its effects on offspring fitness is well documented in fishes. Yet whether or not differential per propagule maternal investment (egg size) can influence phenotypic diversification is little understood. Arctic ...
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(Rannsóknarstofa í kvenna- og kynjafræðum, 2004)Á undanförnum árum hefur umræða um stöðu drengja í skólum verið nokkur og þeirri skoðun vaxið fiskur um hrygg að þeir eigi undir högg að sækja. Í þessari bók eru fræðilegar kenningar og rannsóknir nýttar til þess að leggja fram raunhæfar tillögur um ...
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(University of Iceland, 2018-11)Background: The academic performance of children has been correlated with their future educational attainment and health and has therefore been viewed as a public health concern. Physical activity and cardiorespiratory fitness are known to exert many ...
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(University of Iceland, 2017-01)At preschool, children are socially active--they engage in various social interactions with their peers and teachers. Social interactions require people to understand others’ minds (e.g., perspectives, ideas, emotional states, thoughts, intentions, ...
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(University of Iceland, 2018-06)Þessi rannsókn fjallar um tengsl heimila og grunnskóla og markmið hennar var þríþætt: Í fyrsta lagi að lýsa því sem er einkennandi fyrir samskipti heimila og skóla, samstarf foreldra og kennara, og fyrir þátttöku foreldra í skólastarfi. Í öðru lagi ...
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(Univeristy of Iceland, 2017-05)The importance of school engagement (i.e., the willingness to engage in learning) for school success, such as good academic achievement and low dropout rates, has been well established. At the same time, intentional selfregulation (ISR; i.e., the ...
Atriði 1721-1740 af 2499