Zobrazeno 1 - 10
of 17
pro vyhledávání: '"Saara Kaski"'
Autor:
Tiina Mäkelä, Pieta Sikström, Päivikki Jääskelä, Salme Korkala, Jimi Kotkajuuri, Saara Kaski, Peppi Taalas
Publikováno v:
Education Sciences, Vol 12, Iss 10, p 722 (2022)
The COVID-19 pandemic forced teachers to undergo a sudden shift toward technology-enhanced teaching and learning, challenging their capacities for change in many ways. This study explores those factors constraining teachers’ wellbeing and agency th
Externí odkaz:
https://doaj.org/article/a9eead57050a437c90cbe07fb54d97d1
Autor:
Taalas, Tiina Mäkelä, Pieta Sikström, Päivikki Jääskelä, Salme Korkala, Jimi Kotkajuuri, Saara Kaski, Peppi
Publikováno v:
Education Sciences; Volume 12; Issue 10; Pages: 722
The COVID-19 pandemic forced teachers to undergo a sudden shift toward technology-enhanced teaching and learning, challenging their capacities for change in many ways. This study explores those factors constraining teachers’ wellbeing and agency th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=multidiscipl::947d234d71be0de565a4589b51824fa8
Publikováno v:
Applied Spectroscopy Reviews. 56:67-84
Raman spectroscopy offers a nondestructive means to identify minerals in rocks, but the ability to use the technology for quantitative mineralogical analysis is limited by fluorescence that can mask the spectral features of minerals. In this paper we
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::757bb845fdd27d4f99c16410573f5a00
https://doi.org/10.1080/05704928.2020.1729170
https://doi.org/10.1080/05704928.2020.1729170
Autor:
Juha Kostamovaara, Ilkka Nissinen, Heikki Häkkänen, Jere Kekkonen, Sari Romppanen, Jan Nissinen, Saara Kaski
Publikováno v:
Journal of Raman Spectroscopy. 51:1462-1469
Raman analysis of rock samples containing rare earth elements (REEs) is challenging due to the strong fluorescence, which may mask the weaker Raman signal. In this research, time‐gated (TG) Raman has been applied to the construction of the mineral
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::639f6d0cb1ebf8d31fe90806890bd86f
https://doi.org/10.1002/jrs.5622
https://doi.org/10.1002/jrs.5622
Laser-induced time-resolved luminescence was used to study rare earth element (REE) containing natural apatite and calcite minerals. The luminescence from 400 nm to 700 nm in the minerals was analyzed with excitation ranges 210–340 nm and 405–535
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9eb26fa98ef60c6a55d32957087773a7
http://urn.fi/URN:NBN:fi:jyu-202105313314
http://urn.fi/URN:NBN:fi:jyu-202105313314
Mapping with laser-induced breakdown spectroscopy (LIBS) can offer more than just the spatial distribution of elements: the rich spectral information also enables mineral recognition. In the present study, statistical approaches were used for the rec
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::938952160a44f41b85fc7cbd1c33296b
http://urn.fi/URN:NBN:fi:jyu-202111175691
http://urn.fi/URN:NBN:fi:jyu-202111175691
Publikováno v:
Spectrochimica Acta Part B: Atomic Spectroscopy. 134:69-74
Laser-induced breakdown spectroscopy (LIBS) has been used in analysis of rare earth element (REE) ores from the geological formation of Norra Kärr Alkaline Complex in southern Sweden. Yttrium has been detected in eudialyte (Na15 Ca6(Fe,Mn)3 Zr3Si(Si
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a837908616f23f6fcafc378be7138a8a
http://juuli.fi/Record/0285144717
http://juuli.fi/Record/0285144717
Autor:
Aleš Hrdlička, Karel Novotný, Jan Novotný, Petr Gadas, Pavlína Modlitbová, Ladislav Čelko, Heikki Häkkänen, Jozef Kaiser, Lucia Sládková, Saara Kaski, Pavel Pořízka, David Prochazka
In general, the detection of F and other halogens is challenging through conventional techniques. In this paper, various approaches for the qualitative and quantitative analysis of F using the laser-induced breakdown spectroscopy (LIBS) technique wer
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::62956ae7a6da9e1f41202c4c6973319e
http://urn.fi/URN:NBN:fi:jyu-201710053941
http://urn.fi/URN:NBN:fi:jyu-201710053941
Publikováno v:
J. Anal. At. Spectrom.. 19:474-478
Several solid organic compounds containing bromine and chlorine were analyzed with laser-induced plasma spectroscopy. Emission lines were detected in the near vacuum ultraviolet spectral region by using a gas-purged spectrograph and an intensified ch
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::99ea00068c3d9aa988babf9b66544234
https://doi.org/10.1039/b315410f
https://doi.org/10.1039/b315410f
Publikováno v:
Minerals Engineering. 16:1239-1243
Sulfide minerals in rock samples were identified with laser-induced plasma spectroscopy (LIPS) in the near vacuum ultraviolet spectral region. Reference spectra of pyrite, pyrrhotite, chalcopyrite, sphalerite, barite, calcite and dolomite were applie
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0e8cb5516fb67cf981836fd6a30051bf
https://doi.org/10.1016/j.mineng.2003.05.001
https://doi.org/10.1016/j.mineng.2003.05.001