Autor: Sliwa, P. - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Micellar-mediated extraction of green tea containing Chrysanthemum morifolium flowers
Autorzy:: Suliga, J.
Śliwa, P.
Powiązania:: https://bibliotekanauki.pl/articles/93146.pdf
Data publikacji:: 2017
Wydawca:: Państwowa Wyższa Szkoła Zawodowa w Tarnowie
Tematy:: micellar-mediated extraction
Chrysanthemum morifolium
non-ionic surfactant
ekstrakcja micelarna
chryzantema morifolium
niejonowy środek powierzchniowo czynny
Opis:: Micellar mediated extraction (MME) is a new and alternative method of obtaining biologically active substances, such as flavones, flavanones, anthocyanins, triterpene from plant material. In this study a series of polyethoxylated sorbitan esters of fatty acids (Tween 20, 40, 60 and 80) have been applied for the extraction of green tea containing Chrysanthemum morifolium flowers. Results showed that all tested surfactants were effective in the solubilisation of flavonoids and phenolic compounds. Probably, because of too high hydrophilicity, Tween 20 was not sufficient to obtain antioxidants, in contrast to another Tween. It has been shown that method is economical, attractive and ecological.
Źródło:: Science, Technology and Innovation; 2017, 1, 1; 49-52
2544-9125
Pojawia się w:: Science, Technology and Innovation
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Generating Data in UMP Databases to Planenergy-Saving Routes
Autorzy:: Ligęza, A.
Śliwa, P.
Powiązania:: https://bibliotekanauki.pl/articles/298152.pdf
Data publikacji:: 2013
Wydawca:: Uniwersytet Warmińsko-Mazurski w Olsztynie
Tematy:: energy-saving route
bicycle routing
navigation
MTB
UMP
power of cyclist
cyclist
GIS
Garmin
Opis:: In this article the model allowing finding energy-saving routes between two places in the navigation systems – for a cyclist’s activity profile – was introduced. Preparing of the compiled routing maps for many kinds of navigation systems is possible by means of inclusion of model data into a database of UMP map project.
Źródło:: Technical Sciences / University of Warmia and Mazury in Olsztyn; 2013, 16(3); 193-209
1505-4675
2083-4527
Pojawia się w:: Technical Sciences / University of Warmia and Mazury in Olsztyn
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: Możliwości zastosowania pochodnych kumaryny
Autorzy:: Śliwa, P.
Tomaszkiewicz-Potępa, A.
Powiązania:: https://bibliotekanauki.pl/articles/274397.pdf
Data publikacji:: 2010
Wydawca:: Roble
Tematy:: pochodne kumaryny
wybielacze optyczne
fluorescencja
fluorescencyjne wybielacze optyczne
coumarin derivatives
optical whitening agent
fluorescent whitening agents
fluorescence
Źródło:: LAB Laboratoria, Aparatura, Badania; 2010, 15, 1; 15-20
1427-5619
Pojawia się w:: LAB Laboratoria, Aparatura, Badania
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 4.

Tytuł:: A computational fluid flow analysis of a disc valve system
Autorzy:: Czop, P.
Śliwa, P.
Gniłka, J.
Gąsiorek, D.
Wszołek, G.
Powiązania:: https://bibliotekanauki.pl/articles/244640.pdf
Data publikacji:: 2011
Wydawca:: Instytut Techniczny Wojsk Lotniczych
Tematy:: valve system
computational fluid flow analysis
simulation
Opis:: Noise concerns in shock absorbers can be divided into two categories. The first is fluid flow noise, or “swish noise”, caused by the oil being forced through openings in the valves. The type and temperature of the oil, its velocity and the orifice geometry all have an effect on this. In addition, the structural design of the shock absorber shell may either reduce or amplify the noise. The second type of shock absorber noise is often described as regular operational noise or “chuckle noise”. It can be observed in vehicles during low-displacement, higher-frequency events, such as driving over a slightly rough road. This effect measurable as a force discontinuity into the vehicle and can come from a number of sources in the shock absorber, e.g. hydraulic transitions. It is often traceable to the valve discs closing and opening, but can also be caused by cavitation/aeration in the oil and air being pulled through the valves. The work on noise improvement reported in this paper has been started using conventional shock absorbers to be extended and will cover in the future variable damping shock systems as well. The paper gives an overview about the configurations of a typical valve system including three basic regimes of operation, which correspond to the amount of oil flowing through a valve cavity. The aim of this work was to propose a finite element fluid flow model, which can be used in order to reduce the velocity of fluid flow through a cavity of a shock absorber valve. High flow velocity can cause high-content frequency vibrations and, in turn, audible noise. The model will be used for initial screening of new valve concepts and on the other hand to improve the currently use ones.
Źródło:: Journal of KONES; 2011, 18, 1; 117-122
1231-4005
2354-0133
Pojawia się w:: Journal of KONES
Dostawca treści:: Biblioteka Nauki

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