Zobrazeno 1 - 10 of 54 pro vyhledávání: '"Knut Bergesen"'
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Akademický článek
Age of European silver eels during a period of declining abundance in Norway
Autor: Caroline M. F. Durif, Ola H. Diserud, Odd Terje Sandlund, Eva B. Thorstad, Russell Poole, Knut Bergesen, Rosa H. Escobar‐Lux, Steven Shema, Leif Asbjørn Vøllestad
Publikováno v: Ecology and Evolution, Vol 10, Iss 11, Pp 4801-4815 (2020)
Abstract The European eel (Anguilla anguilla) is critically endangered throughout its range. Knowledge about age distribution of future spawners (silver eels) is essential to monitor the status and contribute to the recovery of this species. Determin
Externí odkaz: https://doaj.org/article/71332fc7f5a54094bf99010a51e45ecd
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2
1H and 13CNMR studies of 1,4,8,11,15,18-hexadecyl-22,25-bis(6-hydroxyhexyl)phthalocyanine and its nickel derivative
Autor: Geoffrey C. Bryant, Knut Bergesen, Linda Haugland, Michael J. Cook
Publikováno v: Journal of Porphyrins and Phthalocyanines. :665-668
1,4,8,11,15,18-Hexadecyl-22,25-bis(6-hydroxyhexyl)phthalocyanine and its nickel derivative have been studied by 1 H and 13 C NMR in deuterochloroform solution at ambient probe temperature. The assignments of the proton atoms and carbon atoms in the s
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9e25c69d0cc8f5d94f80b1e9b922479c
https://doi.org/10.1002/1099-1409(200011)4:7<665::aid-jpp286>3.0.co
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3
13C NMR SPECTRAL ANALYSIS OF 1,3,2-DIOXA-, 1,3,2-DIAZA-, 1,3,2-DITHIA-, 1,3,2-OXAZA- AND 1,3,2-OXATHIA-PHOSPHOLANES
Autor: Paul Loevik, Martin A. Hansen, Knut Bergesen
Publikováno v: Phosphorus, Sulfur, and Silicon and the Related Elements. 156:181-187
Complete 13C NMR analysis of 1,3,2-Dioxa-, 1,3,2-Diaza-, 1,3,2-Dithia-, 1,3,2-Oxaza- and 1,3,2-Oxathia-Phospholanes have been investigated. The data obtained make it possible to gain more information about the phospholane ring.
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c640096b096e3ee27dd3eac0e624e882
https://doi.org/10.1080/10426500008045002
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7
1H NMR spectra and conformational analysis of some 1,4-dithiepan-6-ones
Autor: Knut Bergesen, Festus Kaberia, Michael J. Cook, Ghoabad Ghaem-Maghami
Publikováno v: Organic Magnetic Resonance. 21:339-343
1H NMR Parameters are reported for five 1,4-dithiepan-6-ones. 1,4-Dithiepan-6-one 1-oxide exists in solution as an equilibrium involving two different twist-chair conformations, which contrasts with its conformational behaviour in the solid state. Tw
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::021040833214061d51c2309cca9844b6
https://doi.org/10.1002/omr.1270210511
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8
100 MHz n.m.r. spectra and conformational analysis of some methyl and trimethyl derivatives of 1-tetralone
Autor: Teh Kim Hock, Knut Bergesen, Michael J. Cook
Publikováno v: Organic Magnetic Resonance. 8:513-517
The 100 MHz spectra of 2-methyl-, 4-methyl-, 4,5,8-trimethyl- and 4,5,7-trimethyl-1-tetralones have been analysed as 8-spin systems using iterative computation. The monomethyl derivatives exist in inverting half-chair conformations, the 2-methyl grou
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::923a5cca421faa4cb4a0ba9c51e5f7cb
https://doi.org/10.1002/mrc.1270081006
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