Autor: (AN). - Katalog OPAC zbiorów

Tytuł:: Chaos via Period-Doubling Oscillations in an Exciton-Carrier-Photon System Driven by Optical Pumping
Autorzy:: Nguyen, Ba An
Powiązania:: https://bibliotekanauki.pl/articles/1930622.pdf
Data publikacji:: 1994-03
Wydawca:: Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:: 42.65.-k
71.35.+z
42.50.Lc
Opis:: A detailed stability analysis is performed for a highly excited semiconductor modelled as an exciton-electron-hole-photon system driven externally by optical pumping. Chaotic self-pulsations are shown to occur on both the upper and lower branches of the bistable steady state curve of the system via a sequence of period-doubling oscillation process. Such a route to chaos is well known in laser physics and in other nonlinear systems but not in highly excited semiconductors yet.
Źródło:: Acta Physica Polonica A; 1994, 85, 3; 541-552
0587-4246
1898-794X
Pojawia się w:: Acta Physica Polonica A
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 12.

Tytuł:: On Number of Exciton Surface States in Multilayer Molecular Slabs
Autorzy:: Ba An, Nguyen
Powiązania:: https://bibliotekanauki.pl/articles/1968495.pdf
Data publikacji:: 1997-12
Wydawca:: Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:: 73.20.Dx
71.35.Aa
73.20.At
Opis:: Criteria for the possible number of exciton surface states in a multilayer molecular slab are elucidated in detail. Namely, we explicitly determine the domains of system parameters where the size dependence plays a role. We further clarify the way a surface state is localized in the slab in both asymmetric and symmetric configurations. Basing on our results which are obtained within the first nearest layer approximation, we also conjecture properties to be expected when further nearest layers are taken into consideration.
Źródło:: Acta Physica Polonica A; 1997, 92, 6; 1197-1208
0587-4246
1898-794X
Pojawia się w:: Acta Physica Polonica A
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 13.

Tytuł:: Social Media and the Online Political Engagement of Immigrants: The Case of the Vietnamese Diaspora in Poland
Autorzy:: Nguyen Huu, An
Powiązania:: https://bibliotekanauki.pl/articles/2080391.pdf
Data publikacji:: 2022
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: Vietnamese immigrants
Vietnamese diaspora
Polska
online political participation
diaspora politics
social media and migration
Opis:: This study investigates the political engagement of Vietnamese immigrants in Poland on social media. It employs the typology of online political participation as a theoretical framework to determine the pattern of online involvement in the political sphere staged by the migrant group. Through analysing materials relating to political discussions created daily on an online community of the Polish Vietnamese, collected by doing netnography, this study shows that the political activism on social media of Vietnamese immigrants in Poland exists and varies. Vietnamese-migrant users discuss homeland politics and express views about political issues in the host country as well as other countries by creating non-mobilising posts (Information and Diffusion), while being inclined to produce posts with calls for action (Instruction and Promotion) to criticise social injustice and mobilise equality. This study also found a growing critical attitude towards homeland politics among Vietnamese-origin individuals in the country. The findings have practical implications for associations and state actors in both the host and home countries to account for the evolvement of the migrant community.
Źródło:: Central and Eastern European Migration Review; 2022, 11, 1; 85-107
2300-1682
Pojawia się w:: Central and Eastern European Migration Review
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 14.

Tytuł:: Klasyfikacja roslinnosci zrebowej lasow iglastych polnocno-wschodniej czesci obwodu nowogrodzkiego
Autorzy:: Demidova, A.N.
Powiązania:: https://bibliotekanauki.pl/articles/45781.pdf
Data publikacji:: 2004
Wydawca:: Instytut Badawczy Leśnictwa
Tematy:: obwod Nowogrodzki
roslinnosc
tajga
Rosja
zreby
lasy
lesnictwo
zespoly roslinne
Źródło:: Leśne Prace Badawcze; 2004, 1; 9-22
1732-9442
2082-8926
Pojawia się w:: Leśne Prace Badawcze
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 15.

Tytuł:: Skillful Disposition and Responsiveness in Mental Imagery
Autorzy:: An, Christopher Joseph
Powiązania:: https://bibliotekanauki.pl/articles/2200236.pdf
Data publikacji:: 2019
Wydawca:: Projekt Avant
Tematy:: Wittgenstein
mental imagery
conceptual capacities
visual affordances
acquired dispositions
Opis:: This paper aims to explore and expand on Wittgenstein’s remarks on the nature of mental imagery. Despite some rather cryptic passages and obvious objections, his notion of mental imagery as possessing a constitutive (and not merely added) element of expressive thought and conceptuality offers critical insights linking perceptual capacities with our shared practices. In particular I seek to further develop Wittgenstein’s claim that perceptual impressions presuppose a “mastery of a technique.” I argue that this sense of technique, understood as acquired conceptual capacities, can explain and capture the rich and varied spectrum of expressive visual content that can be accessed by human beings initiated and embedded in a variety of shared practices. Using Gilbert Ryle’s account of dispositions, I cash out the notion of acquired conceptual capacities as spanning a wide latitude of responsive dispositions from mere “blind” visual habits to more normatively-guided, intelligent, and deliberately-trained visual “skills.” Visual impressions construed as such are hardly perceptually (nor representationally) univocal and instead exhibit a dynamic and reflexive plurivocity manifested through one’s initiation into shared practices and forms of life. This plurivocity makes possible a rich array of visual affordances that would otherwise not be accessible outside the context of a shared practice. This suggests that human beings possess a distinctive kind of expressive and responsive intelligence which picks out visual affordances determined not so much by a merely receptive perceptual faculty but by the subject’s skillful, active, and responsive engagement with the world.
Źródło:: Avant; 2019, 10, 2
2082-6710
Pojawia się w:: Avant
Dostawca treści:: Biblioteka Nauki

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