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Wyszukujesz frazę "Scisel, K." wg kryterium: Autor


Wyświetlanie 1-2 z 2
Tytuł:
Investigations of the capacity and strength of seed germination in Allium victorialis L.
Autorzy:
Winiarczyk, K.
Skrzypczak, K.
Jaroszuk-Scisel, J.
Bocianowski, J.
Powiązania:
https://bibliotekanauki.pl/articles/59308.pdf
Data publikacji:
2014
Wydawca:
Polskie Towarzystwo Botaniczne
Tematy:
capacity
strength
seed germination
Allium victorialis
victory onion
Alpine leek zob.victory onion
caucas zob.victory onion
phylogenetic analysis
seed
embryo
tetrazolium test
ISTA zob.International Seed Testing Association
International Seed Testing Association
Opis:
The aim of the study was to examine the strength and energy of seed germination in Allium victorialis. Despite the normal structure of seeds containing a viable embryo and compliance with all International Seed Testing Association recommendations, no germination in A. victorialis was observed. Additionally, the scarification and stratification treatments applied did not improve the dynamics of germination of A. victorialis seeds. Microbiological analyses of soil sampled from natural localities of the plant revealed a typical composition of bacteria and fungi. The high number of fungi [4.5 log10CFU (colony forming units) of fungi × g−1 dry mass of soil] and various groups of bacteria (about 7.0 log10CFU of bacteria × g−1 dry mass of soil) were detected in the root-free-soil around garlic roots. In the interior of A. victorialis roots, the number of microorganisms decreased 1000 to 10 000 times but all the tested microbial groups, especially copiotrophic bacteria and fungi (1.6 and 2.2, respectively, log10CFU × g−1 dry mass of roots) were detected. Changes in such parameters as dehydrogenase activity, pH values, and the total organic C (TOC) content in the particular parts of the rhizosphere and in comparison to the rhizosphere with root-free-soil were observed. The dehydrogenase activity and TOC content were highly positively correlated with the total number of CFU of the microorganisms.
Źródło:
Acta Societatis Botanicorum Poloniae; 2014, 83, 3
0001-6977
2083-9480
Pojawia się w:
Acta Societatis Botanicorum Poloniae
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Sacrificial paste for fabrication of ceramic materials by layer-by-layer method
Autorzy:
Falkowski, P.
Scisel, K.
Powiązania:
https://bibliotekanauki.pl/articles/353745.pdf
Data publikacji:
2016
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
sacrificial paste
UV curing
soft lithography
tape casting
alumina
Opis:
The aim of the work was to develop a sacrificial paste suitable for securing channels during shaping of ceramic materials with internal structures via combination of tape casting and soft lithography. Poly(ethylene glycol) methyl ether and polyethylene glycols with different molecular weight were selected as a main components of a sacrificial paste due to their compatibility to UV curable dispersion. The research shows that sacrificial paste should be characterized by proper melting point. This goal was achieved by using a composition of PEG600 with 15wt.%PEG20000 and 10wt.% carbon. The invented sacrificial paste solidify beyond 27°C (melting point). After heating up to 80°C the viscosity of paste is low enough and easily fills the channels with diameter of 150-300uni. What is more, the operational time during free cooling from 80°C to solidification is around 8 minutes what gives enough time for application. Carbon was added as a modifier of rheological properties and as a black dye that helps in visual evaluation of a degree of filling channel. The first test proved that proposed method of preparation of ceramic samples with application of invented sacrificial paste is reliable and can be practically applied.
Źródło:
Archives of Metallurgy and Materials; 2016, 61, 3; 1459-1464
1733-3490
Pojawia się w:
Archives of Metallurgy and Materials
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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