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Tytuł:
On regulated functions
Autorzy:
Banaś, J.
Kot, M.
Powiązania:
https://bibliotekanauki.pl/articles/357765.pdf
Data publikacji:
2017
Wydawca:
Politechnika Rzeszowska im. Ignacego Łukasiewicza. Oficyna Wydawnicza
Tematy:
monotonic function
function of bounded variation
step function
regulated function
Banach space
funkcja monotoniczna
funkcja o ograniczonej zmienności
funkcja krokowa
funkcja regulowana
przestrzeń Banacha
Opis:
The main purpose of this review article is to present the concept of a regulated function and to indicate the connection of the class of regulated functions with other significant classes of functions. In particular, we give a characterization of regulated functions in terms of step functions and we show that the linear space of regulated functions forms a Banach space under the classical supremum norm.
Źródło:
Journal of Mathematics and Applications; 2017, 40; 21-36
1733-6775
2300-9926
Pojawia się w:
Journal of Mathematics and Applications
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Study on Inhibition of N80 Carbon Steel in 0.5M KCl Solution Saturated with CO2 by Gum Arabic
Autorzy:
Palumbo, G.
Banaś, J.
Powiązania:
https://bibliotekanauki.pl/articles/106989.pdf
Data publikacji:
2018
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
Tematy:
corrosion inhibition
gum arabic
carbon steel
electrochemical techniques
Opis:
The effect of Gum Arabic (GA) on the corrosion of an N80 carbon steel pipeline in a CO2 -saturated chloride (0.5M KCl) solution was investigated through AC impedance and polarization curves. Potentiodynamic measurements showed that the corrosion current density decreased in the presence of inhibitors and that the inhibitor acts like a mixed-type inhibitor, with anodic predominance. The Nyquist diagrams showed an increase in polarization resistance values in the presence of the inhibitor, thus increasing inhibition efficiency. At higher temperatures, the inhibition efficiency decreased, implying that the inhibition action of GA occurred via the physical adsorption process. The activation parameters of the corrosion process such as activation energies, Ea, and the heat of adsorption, Qads, were calculated, respectively, by the obtained corrosion rate and inhibition efficiency at different temperatures. At higher temperatures, the increase in activation energy combined with the negative levels of the heat of adsorption further supported the physical adsorption nature of the process.
Źródło:
Journal of Casting & Materials Engineering; 2018, 2, 1; 5-8
2543-9901
Pojawia się w:
Journal of Casting & Materials Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Support in multi-criteria decision-making under uncertainty in a transport company
Autorzy:
Banaś, J.
Tomaszewska, K.
Powiązania:
https://bibliotekanauki.pl/articles/406494.pdf
Data publikacji:
2013
Wydawca:
Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
Tematy:
transportation problem
fuzzy linear programming
L-R notation
Opis:
The problem of finding an appropriate transportation plan for a transport company collaborating with a window manufacturer to reduce transport costs by minimizing the total distance travelled and to provide a minimum car fleet has been presented. The problem involves 3 major manufacturing bases and 15 local storehouses located in all the remaining Polish provincial capitals. Taking into account the fact that some of the parameters of the model may not be accurate due to uncertainty, fuzzy coefficients are used. Using this fuzzy model, optimistic, semi-pessimistic and pessimistic approaches are considered.
Źródło:
Operations Research and Decisions; 2013, 23, 2; 11-23
2081-8858
2391-6060
Pojawia się w:
Operations Research and Decisions
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Effect of Cathodic Protection on Corrosion of Water-pipe Network in Kraków - Case Study
Autorzy:
Lelek-Borkowska, U.
Gruszka, M.
Banaś, J.
Powiązania:
https://bibliotekanauki.pl/articles/2079831.pdf
Data publikacji:
2021
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
materials
water pipelines
corrosion
cathodic protection
materiały
wodociągi
korozja
ochrona katodowa
Opis:
The paper is a summary of a project aimed at identifying and eliminating or minimizing the causes of frequent failures of the Krakow water supply network related to corrosion damage. The paper presents the method of searching for factors responsible for frequent corrosion damage. There were taken into account several factors that may destroy the pipes associated with corrosion processes, such as the composition of the water, aggressiveness of ground, or stray currents. The monitoring method of the corrosion processes applied to observe the condition of the water supply network was discussed. The study showed that the main problem appeared to be stray currents related to the electrical infrastructure widely present in a large city, such as a tram or railway network. To eliminate this threat, a cathodic protection system has been implemented to prevent further failures. There were also demonstrated results of research proving that the applied solutions are effective.
Źródło:
Archives of Foundry Engineering; 2021, 21, 3; 59-64
1897-3310
2299-2944
Pojawia się w:
Archives of Foundry Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Cathodic Reactions on the Surface of Nickel in Methanol Solutions of Electrolytes
Reakcje katodowe na powierzchni niklu w metanolowych roztworach elektrolitów
Autorzy:
Bisztyga, M.
Lelek-Borkowska, U.
Banaś, J.
Powiązania:
https://bibliotekanauki.pl/articles/381903.pdf
Data publikacji:
2013
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
methanol solution
nickel
cathodic reduction
roztwór metanolowy
nikiel
reakcja katodowa
Opis:
This paper concerns the cathodic reactions occurring on the surface of nickel in methanolic solutions of electrolytes. Methanol reduction process, in this potential range, is inhibited by formation of surface compound, product of reaction parallel to methanol reduction – oxidation of nickel with participation of CH3OH molecules. Competitive processes, formation of surface product (reaction of metal surface with methanol) and its dissolution (reaction of surface product with complexing agent), decide about free surface area on which can occur reduction of methanol. Presence of complexing agents – CH3O- and Cl- anions, causes “cleaning” the surface of surface anodic product and thereby facilitates cathodic reduction of methanol (reactions 3, 5, 6, 7). Removing of surface product is the process controlled by diffusion of anions to the electrode surface.
Praca poświęcona jest reakcjom katodowym zachodzącym na powierzchni niklu w metanolowych roztworach elektrolitów w obszarze małych nadpotencjałów katodowych. W obszarze tym proces redukcji metanolu hamowany jest tworzeniem powierzchniowego produktu będącego rezultatem równoległej do redukcji metanolu reakcji utleniania niklu z udziałem cząsteczek CH3OH. Konkurencyjne procesy tworzenia produktu powierzchniowego (reakcja powierzchni z metanolem) i roztwarzania (reakcja produktu powierzchniowego z czynnikiem kompleksującym), decydują o obszarze swobodnej powierzchni na której zachodzi redukcja metanolu. Obecność czynników kompleksujących – anionów CH3O- oraz Cl- powoduje „oczyszczanie” powierzchni z produktu anodowego i ułatwia tym samym redukcję katodową metanolu (reakcje 3,5,6,7). Proces usuwania produktu powierzchniowego jest procesem kontrolowanym dyfuzją anionów do powierzchni elektrody.
Źródło:
Archives of Foundry Engineering; 2013, 13, 3 spec.; 5-10
1897-3310
2299-2944
Pojawia się w:
Archives of Foundry Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Determination of the Effect of Environmental Factors on the Corrosion of Water Distribution System Based on Analysis of On-line Corrosion Monitoring Results
Autorzy:
Jażdżewska, A.
Gruszka, M.
Mazur, R.
Orlikowski, J.
Banaś, J.
Powiązania:
https://bibliotekanauki.pl/articles/355721.pdf
Data publikacji:
2020
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
water distribution system
acid rain
corrosion monitoring
online
linear polarization method
Opis:
Corrosion of water distribution system is a significant issue causing problems with quality, safety and continuity of distribution. The changes of corrosion rates of the water distribution systems in Cracow made of carbon steel were investigated by analysis of online corrosion monitoring system results. Corrosion rates were determined using the linear polarization method. The impactof rain, temperatures, conductivity, dissolved oxygen content on corrosion rate were characterized. The corrosivity of different water sources like mountain water, underground water or river water were indicated. The possible actions for reducing corrosion losses were characterized. Results show that pollution of the environment in the form of acid rain and runoff from agriculture as well as the type of the source water has significant influence on corrosion of water distribution system. Corrosion monitoring system gives possibility of controlling corrosion rate by mixing waters from different sources in the way to obtain less corrosive mixture. (see Fig 8).
Źródło:
Archives of Metallurgy and Materials; 2020, 65, 1; 109-116
1733-3490
Pojawia się w:
Archives of Metallurgy and Materials
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Outcome of transobturator sling for treatment of female stress urinary incontinence applied as a single procedure or concomitantly with pelvic organ prolapse surgery
Autorzy:
Banas, J.
Jankiewicz, K.
Rechberger, T.
Kołodyńska, A.
Bogusiewicz, M.
Powiązania:
https://bibliotekanauki.pl/articles/28761636.pdf
Data publikacji:
2023
Wydawca:
Instytut Medycyny Wsi
Źródło:
Annals of Agricultural and Environmental Medicine; 2023, 30, 1; 190-194
1232-1966
Pojawia się w:
Annals of Agricultural and Environmental Medicine
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Photosensitization of TiO2 P25 with CdS Nanoparticles for Photocatalytic Applications
Autorzy:
Trenczek-Zając, A.
Banaś, J.
Świerczek, K.
Zazakowny, K.
Radecka, M.
Powiązania:
https://bibliotekanauki.pl/articles/352507.pdf
Data publikacji:
2017
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
semiconductors
X-ray diffraction
transmission electron microscopy TEM
catalytic properties
optical properties
Opis:
A TiO2/CdS coupled system was prepared by mixing the TiO2 P25 with CdS synthesized by means of the precipitation method. It was found that the specific surface area (SSA) of both components is extremely different and equals 49.5 for TiO2 and 145.4 m2·g-1 for CdS. The comparison of particle size distribution and images obtained by means of transmission electron microscopy (TEM) showed agglomeration of nanocomposites. X-ray diffraction (XRD) patterns suggest that CdS crystallizes in a mixture of cubic and hexagonal phases. Optical reflectance spectra revealed a gradual shift of the fundamental absorption edge towards longer wavelengths with increasing CdS molar fraction, which indicates an extension of the absorption spectrum of TiO2. The photocatalytic activity in UV and UV-vis was tested with the use of methyl orange (MO). The Langmuir–Hinshelwood model described well the photodegradation process of MO. The results showed that the photocatalytic behaviour of the TiO2/CdS mixture is significantly better than that of pure nanopowders.
Źródło:
Archives of Metallurgy and Materials; 2017, 62, 2A; 841-849
1733-3490
Pojawia się w:
Archives of Metallurgy and Materials
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Effect of turbulence model, turbulence length scale and wall roughness on the laminar-turbulence transition and temperature distribution of a convectively cooled C3X turbine vane
Autorzy:
Banaś, K.
Badur, J.
Powiązania:
https://bibliotekanauki.pl/articles/175460.pdf
Data publikacji:
2017
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
laminar-turbulent transition
conjugate heat transfer analysis of turbine
C3X turbine vane
roughness correction
Opis:
Our paper demonstrates the ability of Favre-averaged Navier–Stokes (FANS) turbulence models to predict the laminar-turbulent transition and shows the influence of the models on the wall temperature distribution. The investigations were based on conjugate heat transfer analyses of a convectively cooled C3X turbine vane, which were performed using commercial flow simulation software. We compared several eddy-viscosity models: shear stress transport (SST), γ-Reθ SSTtransition, v2-f, k-ε, realizable, k-kl-ω transition, and second-order closure ε-based Reynolds stress model (RSM) with a linear pressure-strain model. The turbulence length scale (TLS) was not measured during the experiment, so its influence on the location of the transition onset and wall temperature distribution is presented. We also examined the influence of the roughness of the airfoil wall on the location of turbulence initialization and the wall temperature distribution.
Źródło:
Transactions of the Institute of Fluid-Flow Machinery; 2017, 138; 13-32
0079-3205
Pojawia się w:
Transactions of the Institute of Fluid-Flow Machinery
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
On an approach to the thermo-elasto-plastic failure based on the Burzynski criterion
Autorzy:
Banaś, K.
Badur, J.
Powiązania:
https://bibliotekanauki.pl/articles/175155.pdf
Data publikacji:
2017
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
Burzynski stress
thermal-FSI
conjugate heat transfer
thermal stresses
turbine guide vane
Opis:
In this paper the comparison of material eort models: the classic Huber-Mises-Hencky approach and the Burzynski condition was presented. Burzynski yield condition is pressure sensitive and naturally takes into account the strength dierential eect, which has been observed in nickel-base super alloys such as Inconel 718. Investigation was performed during thermal-uidstructure interaction analysis of a power turbine guide vane of turbine helicopter engine PZL- 10W. Firstly, computational uid dynamics conjugate heat transfer analysis was carried out, then stress analysis was performed with boundary conditions obtained via computational uid dynamics analysis. During stress analysis, two mentioned above equivalent stress denitions were applied and dierence in material eort modelling by them was shown.
Źródło:
Transactions of the Institute of Fluid-Flow Machinery; 2017, 136; 65-76
0079-3205
Pojawia się w:
Transactions of the Institute of Fluid-Flow Machinery
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The influence of storage conditions on texture parameters and sensory quality of sour cherry jams with various plant additives
Wpływ warunków przechowywania na parametry tekstury i jakość sensoryczną dżemów wiśniowych z różnymi dodatkami roślinnymi
Autorzy:
Banas, A.
Korus, A.
Korus, J.
Powiązania:
https://bibliotekanauki.pl/articles/828513.pdf
Data publikacji:
2018
Wydawca:
Polskie Towarzystwo Technologów Żywności
Tematy:
sour cherry
jam
storage condition
texture parameter
sensory quality
plant additive
additive effect
food texture
colour
sensory property
Źródło:
Żywność Nauka Technologia Jakość; 2018, 25, 3
1425-6959
Pojawia się w:
Żywność Nauka Technologia Jakość
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The expression of UVR3 and two putative photolyases, PHR2 and At4g25290, is regulated by light
Autorzy:
Sztatelman, O.
Labuz, J.
Banas, A.K.
Powiązania:
https://bibliotekanauki.pl/articles/80793.pdf
Data publikacji:
2013
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
conference
DNA strand
RNA polymerase
DNA polymerase
replication
transcription
light regulation
putative photolyase
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:
System modeling and control of organization business processes by use of balanced scorecard and system dynamics
Autorzy:
Banaś, D.
Michnik, J.
Targiel, K. S.
Powiązania:
https://bibliotekanauki.pl/articles/971039.pdf
Data publikacji:
2016
Wydawca:
Polska Akademia Nauk. Instytut Badań Systemowych PAN
Tematy:
system dynamics
control
balanced scorecard
decision making
simulation
strategy
Opis:
Developing an effective business strategy ought to be based on the aspects of rationality, not only with the roots of present time, but also with the past and characteristics acquired in previous competitive episodes that may form the context for future ones. Thus, in analyzing the possibility of supporting decisionmaking process, one should take into account the essential properties of economic entities (objects), such as their complexity, dynamics and nonlinearity. Within this perspective, in order to model the dynamic behavior, system dynamics approach has been used in the work here reported. This technique complements the popular management approach of balance scorecard, providing the multidimensional view of an enterprise and expressing the interrelations among different processes in it.
Źródło:
Control and Cybernetics; 2016, 45, 2; 185-205
0324-8569
Pojawia się w:
Control and Cybernetics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The subcellular localization of UVR3 and two putative photolyases, PHR2 and At4g25290
Autorzy:
Aggarwal, C.
Labuz, J.
Sztatelman, O.
Banas, A.K.
Powiązania:
https://bibliotekanauki.pl/articles/80533.pdf
Data publikacji:
2013
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
conference
subcellular localization
putative photolyase
chloroplast
gene encoding
ultraviolet irradiation
DNA damage
Arabidopsis
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:
X-Ray Absorption Near Edge Structure and Mössbauer Spectroscopy in Study of Iron Valence States in Tissues
Autorzy:
Dziedzic-Kocurek, K.
Banaś, A.
Kwiatek, W. M.
Stanek, J.
Powiązania:
https://bibliotekanauki.pl/articles/2044673.pdf
Data publikacji:
2006-03
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
61.18.Fs
61.10.Ht
Opis:
X-ray absorption near edge structure Fe K-edge spectra and $\text{}^{57}$Fe Mössbauer spectra of selected standard compounds were recorded at room temperature. Valence and spin states of Fe in these samples known from Mössbauer spectroscopy were correlated with the shapes of X-ray absorption near edge structure spectra in search of possible application of X-ray absorption near edge structure spectroscopy as analytical tool determining local electronic states of iron in tissues. As an example, the X-ray absorption near edge structure spectra of healthy and cancerous tissues of prostate are shown, suggesting Fe$\text{}^{3+}$ in cancerous tissues.
Źródło:
Acta Physica Polonica A; 2006, 109, 3; 341-345
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-15 z 24

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