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Wyświetlanie 1-4 z 4
Tytuł:
Gamma-tubulin distribution in root cells of soybean (Glycine max L.) seedlings under cadmium stress
Autorzy:
Gzyl, J.
Przymusinski, R.
Gwozdz, E.A.
Powiązania:
https://bibliotekanauki.pl/articles/80983.pdf
Data publikacji:
2013
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
conference
microtubule
gamma-tubulin
root cell
soybean
Glycine max
seedling
cadmium stress
heavy metal
Źródło:
BioTechnologia. Journal of Biotechnology Computational Biology and Bionanotechnology; 2013, 94, 3
0860-7796
Pojawia się w:
BioTechnologia. Journal of Biotechnology Computational Biology and Bionanotechnology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Influence of Dipole-Dipole Interactions on Structural Properties of Gay-Berne Particles
Autorzy:
Gwóźdź, E.
Bródka, A.
Powiązania:
https://bibliotekanauki.pl/articles/2014520.pdf
Data publikacji:
2000-11
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
61.30.Cz
31.15.Qg
Opis:
Molecular dynamics simulations were performed for a liquid crystal system composed of the Gay-Berne particles with terminal transverse dipole moments. When the dipole-dipole interactions are weak, the isotropic-smectic transition is observed and the transition point shifts towards lower densities as the dipole moment increases. For higher dipole moments the system shows isotropic structure in the whole range of density, and strong dipole-dipole interactions produce two types of dimers that cannot be accommodated into smectic layers.
Źródło:
Acta Physica Polonica A; 2000, 98, 5; 645-649
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Influence of Cyclic Freezing and Thawing on the Hydraulic Conductivity of Selected Aggregates Used in the Construction of Green Roofs
Autorzy:
Gwóżdź, K.
Hewełke, E. A.
Sas, W.
Żakowicz, S.
Baryła, A.
Powiązania:
https://bibliotekanauki.pl/articles/124495.pdf
Data publikacji:
2016
Wydawca:
Polskie Towarzystwo Inżynierii Ekologicznej
Tematy:
aggregates
freeze-thaw durability
hydraulic conductivity
green roofs
Opis:
The construction of a green roof requires drainage which ought to be characterized by adequate hydraulic conductivity and be resistant to changing meteorological conditions during the winter period. A properly functioning drainage system guarantees the reliability of the entire green roof system. The article presents studies on the freeze-thaw durability and hydraulic conductivity of selected aggregates applied for constructing green roof drainage systems. The aggregates were subjected to a cyclic freezing and thawing process in 30 and 70 cycles. The obtained results indicate that the conductivity of aggregates studied using the constant head method decreases along with an increase in the number of freeze-thaw cycles they were subjected to. This means that the indicator of freeze-thaw durability can have an indicative nature in the assessment of the usefulness of selected aggregates for constructing drainage layers. The conducted studies indicate that the deciding parameter when selecting an aggregate ought to be its hydraulic conductivity, determined accounting for the changes taking place in the freeze-thaw cycles. The equations of changes in the conductivity of aggregates indicated by the authors make it possible to assess them for practical purposes.
Źródło:
Journal of Ecological Engineering; 2016, 17, 4; 50-56
2299-8993
Pojawia się w:
Journal of Ecological Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Studying of Perovskite Nanoparticles in PMMA Matrix Used as Light Converter for Silicon Solar Cell
Autorzy:
Lipiński, M.
Socha, R. P.
Kędra, A.
Gawlińska, K.
Kulesza-Matlak, G.
Major, Ł.
Drabczyk, K.
Łaba, K.
Starowicz, Z.
Gwóźdź, K.
Góral, A.
Popko, E.
Powiązania:
https://bibliotekanauki.pl/articles/356850.pdf
Data publikacji:
2017
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
perovskite nanoparticles
light converters
solar cells
solar energy materials
Opis:
The nanoparticles of CH3NH3PbBr3 hybrid perovskites were synthesized. These perovskite nanoparticles we embedded in polymethyl methacrylate (PMMA) in order to obtain the composite, which we used as light converter for silicon solar cells. It was shown that the composite emit the light with the intensity maximum at about 527 nm when exited by a short wavelength (300÷450 nm) of light. The silicon solar cells were used to examine the effect of down-conversion (DC) process by perovskite nanoparticles embedded in PMMA. For experiments, two groups of monocrystalline silicon solar cells were used. The first one included the solar cells without surface texturization and antireflection coating. The second one included the commercial cells with surface texturization and antireflection coating. In every series of the cells one part of the cells were covered by composite (CH3NH3PbBr3 in PMMA) layer and second part of cells by pure PMMA for comparison. It was shown that External Quantum Efficiency EQE of the photovoltaic cells covered by composite (CH3NH3PbBr3 in PMMA) layer was improved in both group of the cells but unfortunately the Internal Quantum Efficiency was reduced. This reduction was caused by high absorption of the short wavelength light and reabsorption of the luminescence light. Therefore, the CH3NH3PbBr3 perovskite nanoparticles embedded in PMMA matrix were unable to increase silicon solar cell efficiency in the tested systems.
Źródło:
Archives of Metallurgy and Materials; 2017, 62, 3; 1733-1739
1733-3490
Pojawia się w:
Archives of Metallurgy and Materials
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-4 z 4

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