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Wyszukujesz frazę "inter-variability" wg kryterium: Temat


Wyświetlanie 1-3 z 3
Tytuł:
The EMA study on the inter-individual variability and differences in articulation between polish oral and nasalised vowels
Autorzy:
Wielgat, R.
Lorenc, A.
Powiązania:
https://bibliotekanauki.pl/articles/93084.pdf
Data publikacji:
2017
Wydawca:
Państwowa Wyższa Szkoła Zawodowa w Tarnowie
Tematy:
electromagnetic articulography
inter-individual variability
articulatory phonetics
oral vowels
nasalised vowels
artykulacja elektromagnetyczna
zmienność międzyosobnicza
fonetyka artykulacyjna
samogłoska ustna
samogłoska nosowa
Opis:
The electromagnetic articulography (EMA) is a relatively exact and efficient method used in study on speech production physiology. It allows to precisely estimate movement trajectories of speech articulators like tongue, lips, jaw etc. by tracking position of sensors fixed to the articulators. This paper presents results of EMA research on Polish oral and nasalised vowels in orthography represented by the graphemes <ę>, <ą>. Inter-individual variability of tongue and lips position in X-axis direction during realization of the same phoneme has been estimated. Differences between oral and nasalised vowels in terms of movement of articulators in X-axis direction have been assessed too.
Źródło:
Science, Technology and Innovation; 2017, 1, 1; 17-26
2544-9125
Pojawia się w:
Science, Technology and Innovation
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Classroom-oriented research from a complex systems perspective
Autorzy:
Larsen-Freeman, Diane
Powiązania:
https://bibliotekanauki.pl/articles/780767.pdf
Data publikacji:
2016
Wydawca:
Uniwersytet im. Adama Mickiewicza w Poznaniu
Tematy:
complex systems
emergence
intra-variability
inter-variability
research methods
Opis:
Bringing a complex systems perspective to bear on classroom-oriented research challenges researchers to think differently, seeing the classroom ecology as one dynamic system nested in a hierarchy of such systems at different levels of scale, all of which are spatially and temporally situated. This article begins with an introduction to complex dynamic systems theory, in which challenges to traditional ways of conducting classroom research are interwoven. It concludes with suggestions for research methods that are more consistent with the theory. Research does not become easier when approached from a complex systems perspective, but it has the virtue of reflecting the way the world works.
Źródło:
Studies in Second Language Learning and Teaching; 2016, 6, 3; 377-393
2083-5205
2084-1965
Pojawia się w:
Studies in Second Language Learning and Teaching
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Inter- and intra-specific variability in δ13C and δ18O values of freshwater gastropod shells from Lake Lednica, western Poland
Autorzy:
Apolinarska, K.
Pełechaty, M.
Powiązania:
https://bibliotekanauki.pl/articles/139408.pdf
Data publikacji:
2017
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
C stable isotopes
O stable isotopes
recent gastropod shells
freshwater
inter-specific differences
intraspecific variability
lake Lednica
izotopy stabilne
izotopy węgla
izotopy tlenu
muszle ślimaków
słodkowodne
różnice międzygatunkowe
zmienność wewnątrzgatunkowa
jezioro Lednickie
Opis:
This study focuses on the inter- and intra-specific variability in δ13C and δ18O values of shells and opercula of gastropods sampled live from the littoral zone of Lake Lednica, western Poland. The δ13C and δ18O values were measured in individual opercula of Bithynia tentaculata and in shells of Bithynia tentaculata, Gyraulus albus, Gyraulus crista, Lymnaea sp., Physa fontinalis, Radix auricularia, Theodoxus fluviatilis and Valvata cristata. The gastropods selected for the study are among the species most commonly found in European Quaternary lacustrine sediments. The carbon isotope composition of the gastropod shells was species-specific and the same order of species from the most to the least 13C-depleted was observed at all sites sampled. Differences in shell δ13C values between species were similar at all sampling sites, thus the factors influencing shell isotopic composition were interpreted as species-specific. The δ18O values of shells were similar in all the species investigated. Significant intra-specific variability in shell δ13C and δ18O values was observed not only within the populations of Lake Lednica, which can be explained by heterogeneity of δ13C DIC, δ18O water and water temperature between the sites where macrophytes with snails attached were sampled, but also between individuals sampled from restricted areas of the lake’s bottom. The latter points to the importance of factors related to the ontogeny of individual gastropods.
Źródło:
Acta Geologica Polonica; 2017, 67, 3; 441-458
0001-5709
Pojawia się w:
Acta Geologica Polonica
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-3 z 3

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