Zobrazeno 1 - 10
of 704
pro vyhledávání: '"P. Hölttä"'
Publikováno v:
Bulletin of the Geological Society of Finland, Vol 88, Iss 1, Pp 5-20 (2016)
The Vaasa batholith, western Finland, is a large, peraluminous granitoid pluton that crystallized at 1.88–1.87 Ga during the culmination of the Svecofennian orogeny. The batholith has gradual contacts, through metatexites and diatexites, with the e
Externí odkaz:
https://doaj.org/article/e45ecd9db6c24ef289694a79c58effd5
Publikováno v:
Bulletin of the Geological Society of Finland, Vol 79, Iss 2, Pp 143-174 (2007)
Zircons from twelve Palaeoproterozoic granitoids from the Central Lapland Granitoid Complex (CLGC) and from the Hetta Complex (HC) in northern Finland were dated using the NORDSIM ion microprobe. In addition, U-Pb age determinations on zircons from t
Externí odkaz:
https://doaj.org/article/3863ffd52fa9477ea9584b8863b86c1d
Publikováno v:
Bulletin of the Geological Society of Finland, Vol 79, Iss 1, Pp 95-115 (2007)
U-Pb SIMS data on eight samples (four mesosome-leucosome pairs) from migmatites in gneiss complexes are presented from the western part of the Archaean Karelian craton, eastern Finland. Most zircon grains in the mesosomes yield ages between 2.84 Ga a
Externí odkaz:
https://doaj.org/article/6651d4c674a84af19020284ea85ce6b3
Autor:
M. Väisänen, P. Hölttä
Publikováno v:
Bulletin of the Geological Society of Finland, Vol 71, Iss 1, Pp 177-218 (1999)
The Turku migmatite complex in southwestern Finland is a representative area for the type of tectonic and metamorphic evolution seen within the Palaeoproterozoic Svecofennian Orogen in southern Finland. The orogeny can be divided into early, late and
Externí odkaz:
https://doaj.org/article/70e409e75cc14274890523b1d9df4c69
Publikováno v:
Geologica Acta, Vol 10, Iss 4 (2013)
The Palaeoproterozoic Svecofennian orogen in the Fennoscandian shield is an arc accretionary orogen that was formed at c. 1.92-1.86Ga. Arc accretion, magmatism and the subsequent continent-continent collision thickened the crust up to c. 70km, formin
Externí odkaz:
https://doaj.org/article/f12b1f670ec341dbaee4314c6dcb0483
Autor:
Okko Savonius, Anu Kaskinen, Tuula Hölttä, Elisa Ylinen, Juuso Tainio, Tea Nieminen, Timo Jahnukainen
Publikováno v:
Frontiers in Pediatrics, Vol 12 (2024)
BackgroundPretransplant vaccination is generally recommended to solid organ transplant recipients. In infants with congenital nephrotic syndrome (CNS), the immune response is hypothetically inferior to other patients due to young age and urinary loss
Externí odkaz:
https://doaj.org/article/8c1a33c42afa4ebf8fa6d9f9128dabf0
Autor:
Tuomas Yrttimaa, Samuli Junttila, Ville Luoma, Jiri Pyörälä, Eetu Puttonen, Mariana Campos, Teemu Hölttä, Mikko Vastaranta
Publikováno v:
Trees, Forests and People, Vol 15, Iss , Pp 100468- (2024)
Tree growth is a key forest ecosystem service and essential for carbon sequestration and biomass production. However, the intra-seasonal dynamics of tree height and stem diameter growth have been difficult to measure hampering the understanding of th
Externí odkaz:
https://doaj.org/article/9c5cff9e8ae34dceac6b6f584663582d
Publikováno v:
Computers in Biology and Medicine, 2021
Unsupervised pretraining is an integral part of many natural language processing systems, and transfer learning with language models has achieved remarkable results in many downstream tasks. In the clinical application of medical code assignment, dia
Externí odkaz:
http://arxiv.org/abs/2103.06511
Online reward-based crowdfunding campaigns have emerged as an innovative approach for validating demands, discovering early adopters, and seeking learning and feedback in the design processes of innovative products. However, crowdfunding campaigns fo
Externí odkaz:
http://arxiv.org/abs/2007.01404
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