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Atriði 4317-4336 af 4657
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(University of Iceland, School of Engineering and Natural Sciences, Faculty of Life and Environmental Sciences, 2019-05)Movements of animals en masse are impressive phenomena that continue to fascinate scientists of all persuasions. Fishes display some of the most striking examples, and an extensive literature has explored the subject in marine species with long ... -
(2022-01-31)Background: The cell cycle is a highly conserved, continuous process which controls faithful replication and division of cells. Single-cell technologies have enabled increasingly precise measurements of the cell cycle both as a biological process of ...
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(Scientific Research Publishing, Inc,, 2012)It is known that RNA editing occurs in human cells, which can change the information transmission from DNA to RNA and proteins. Most previous studies have focused on editing of the mRNAs. Here we reported that several kinds of RNAs, including miRNA, ...
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(Elsevier BV, 2017-08)Low levels of education have serious social, economic and cultural ramifications in rural areas. In many countries, regional universities have explicitly been built to educate the local population, create professional jobs and stimulate innovation. ...
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(2021-01-21)Developing a third space in preschool teacher education is fundamental for a true partnership to thrive. Strong partnerships between stakeholders in teacher education can empower student teachers and influence their professional development. However, ...
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(Frontiers Media SA, 2020-06-11)Plasticity in the central nervous system (CNS) allows for responses to changing environmental signals. While the majority of studies on brain plasticity focus on neuronal synapses, myelin plasticity has now begun to emerge as a potential modulator of ...
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Unraveling the dynamic of MITF stability and nuclear localization and its role in regulating PRDM7 (2023-06)Microphthalmia-associated transcription factor (MITF) is known as an essential regulator of melanocyte differentiation, proliferation, survival, and differentiation of multiple cell lineages, including neural crest-derived melanocytes, pigmented ...
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Unraveling the mechanism of DNA methylation regulation during early embryo epigenetic reprogramming (University of Iceland, School of Health Sciences, Faculty of Medicine, 2020-12)Umframerfðastjórnprótein taka þátt í að stjórna mismunandi genatjáningu og koma þannig up sérhæfðu umframerfðamengi í frumum sem allar hafa sama erfðamengið. Það er mikilvægt að skilja hvernig umframerfðamerkjum er stjórnað snemma í fósturþroskun ...
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(University of Iceland, School of Humanities, Faculty of Icelandic and Comparative Cultural Studies, 2019-06-03)ARINBJARNARKVIÐA is an Old Norse poem in the kviðuháttr meter. It is composed in praise of Arinbjǫrn Þórisson, a friend of the skald Egill Skallagrímsson. The only source of the poem, except for a few citations in scholarly work, is page 99v in the ...
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(MDPI AG, 2020-04-07)This paper proposes three feature extraction (FE) methods based on density estimation for hyperspectral images (HSIs). The methods are a mixture of factor analyzers (MFA), deep MFA (DMFA), and supervised MFA (SMFA). The MFA extends the Gaussian mixture ...
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(University of Iceland, School of Engineering and Natural Sciences, Faculty of Electrical and Computer Engineering, 2022-12-08)Optical remote sensing (RS) uses optical sensors to create images of the Earth's surface. Those imaging sensors are mounted on spaceborne or airborne vehicles and capture visible, near-infrared, and shortwave infrared radiation reflected from the Earth's ...
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(1977-06-01)A total of 362 successive lava flows, which were extruded at a regular rate between t= 6.7 and 1.6 Myr in the Borgarfjördur area of Western Iceland, have been subjected to palaeomagnetic study. In contrast to the result of a study by Wilson & McElhinny ...
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(Viðskiptafræðideild og hagfræðideild Háskóla Íslands, viðskiptafræðideild Háskólans í Reykjavík og Seðlabanki Íslands, 2018-06-25)Alþjóðlegar reglur og venjur um framkvæmd afleiðusamninga hafa í gegnum tíðina mótast af dómafordæmum. Saga afleiðusamninga á Íslandi er stutt og framan af komu ekki mörg deilumál til kasta dómstóla. Þetta breyttist í kjölfar bankahrunsins árið 2008 ...
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(2021-12-09)Klukkan mótar skipulag á leikskólum en upplifun barna á tíma er ekki sú sama og fullorðinna. Markmið rannsóknarinnar sem sagt er frá í greininni var að leita eftir upplifun barna á dvalartíma sínum í leikskóla og varpa ljósi á hvaða þættir hafa áhrif ...
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(2011-05-27)Ritgerðin byggir á tveimur greinum sem báðar fjalla um upplifun starfsmanns af vinnustað, starfi og vinnuveitanda. Önnur greinin hefur verið birt í íslensku ritrýndu tímariti en sú seinni er áætlað að birta í virtu erlendu ritrýndu vísindariti. Opnað ...
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(Háskólaútgáfan, 2014)Í þessum kafla er er lýst þeim hluta rannsóknarinnar á starfsháttum í grunnskólum þar sem markmiðið var að skoða áhrif upplýsingatækni á nám og kennslu. Upplýsingatækni er ætlað að gegna lykilhlutverki í skólastarfi og þróun nútímaskóla og tengist ...
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(Menntavísindasvið Háskóla Íslands, 2018)Í greininni eru könnuð viðhorf framhaldsskólakennara til viðfangsefna er lúta að gagnrýninni og skapandi hugsun í upprifjunaráföngum í stærðfræði. Byggt er á viðtalsrannsókn þar sem fimm kennarar úr þremur framhaldsskólum tóku þátt. Tekin voru viðtöl ...
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(Springer Science and Business Media LLC, 2019-10-29)Background: Adolescence is crucial period for laying the foundations for healthy development and mental well-being. The increasing prevalence of mental disorders amongst adolescents makes promotion of mental well-being and prevention interventions at ...
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(Elsevier BV, 2019-11)V-dust (v-dust) is a highly variable source of natural particles in the atmosphere, and during the period of high volcanic activity it can provide a large surface for heterogeneous interactions with other atmospheric compounds. Icelandic v-dust was ...
Atriði 4317-4336 af 4657